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Author SHA1 Message Date
Kilian 266606d9ab More leeway on TF overfly (MHTG) 
NG skip
 2025-08-17 00:01:22 +02:00
Kilian 900babf4cc workspace 2025-07-29 17:35:23 +02:00
Kilian 048d5129aa Fix CI into AF (DTMB ALTER SID into 07) 2025-07-29 14:12:25 +02:00
Kilian 73373420d3 Fix more CF 2025-07-19 15:14:46 +02:00
Kilian e9bab0306f MagDec and Loading indicator for parser 2025-07-18 23:20:24 +02:00
Kilian 4e4b921f79 Fix EDDM ILS26 OTT 2025-07-18 00:33:57 +02:00
Kilian d102ec4834 update navdata path 2025-07-17 22:51:58 +02:00
Kilian e91323c79b Update compose 2025-07-17 22:44:02 +02:00
Kilian bbda565272 update pw 2025-07-17 22:38:34 +02:00
Kilian 56ecfe38d1 compose env file 2025-07-17 22:33:20 +02:00
Kilian e0ee6d11dd Rename 2025-07-17 22:22:07 +02:00
Kilian 2bdb7e78c4 Last leg types 2025-07-17 20:57:12 +02:00
Kilian c5cd3c7a0e MAP rendering 
More CF/TF fixes
 2025-07-17 15:33:02 +02:00
Kilian 779a78649e Improve drawin 2025-07-17 03:31:46 +02:00
Kilian e4adf30632 Fix Breakpoints 2025-07-16 16:16:50 +02:00
Kilian 287ad8859b Rebuilt Transition adn chart select 2025-07-16 12:10:01 +02:00
Kilian f593cbd29a Initial NG 2025-07-16 01:34:34 +02:00
Kilian e4ed55cac9 Tailwind 2025-07-15 12:19:41 +02:00
Kilian 13bea68195 Wrap prompt 2025-07-15 11:35:03 +02:00
Kilian 50077746f0 Prettier 
Refactor overfly fix
 2025-07-15 11:02:25 +02:00
Kilian 8b04be187e FC/IF/VR 2025-07-15 01:36:52 +02:00
Kilian e41d002cef Adj. to new perf arc speed req 2025-07-14 21:50:00 +02:00
Kilian d90ba6c5e3 CD/VD/FD/DF reworked perf. arc calc 2025-07-14 21:06:15 +02:00
Kilian 49788eddab CA/DF 2025-07-14 14:23:45 +02:00
Kilian 0d797519cb map style 2025-07-14 05:02:22 +02:00
Kilian af7ac30926 Refactor complete 2025-07-14 03:31:57 +02:00
Kilian 2bdbb583a8 Begin Refactor + Webapp 2025-07-13 22:53:20 +02:00
Kilian 2c99b701ce Types AF;RF 2025-07-13 22:51:43 +02:00
119 changed files with 6603 additions and 3544 deletions
Expand all files Collapse all files
.gitignore
+27 -2
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@@ -1,3 +1,28 @@
node_modules/
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
output.json
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
.env
NavData/
.vscode/launch.json
Vendored
+16
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@@ -0,0 +1,16 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"type": "chrome",
"request": "launch",
"name": "Launch Chrome against localhost",
"url": "http://localhost:3000",
"webRoot": "${workspaceFolder}/md11-nav-data",
"sourceMaps": true
}
]
}
NavData Terminal Legs.code-workspace
+7
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@@ -0,0 +1,7 @@
{
"folders": [
{
"path": "."
}
],
}
README.md
+85 -40
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@@ -10,7 +10,7 @@
### Example
LGAV BIBE1K SID (Cycle 2507, ID 10653)
LGAV 03L BIBE1K SID (Cycle 2507, ID 10653)
### Minimum Required Fields
@@ -27,7 +27,8 @@ LGAV BIBE1K SID (Cycle 2507, ID 10653)
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`).
- Arc radius shall be `NavDist`.
- Arc center shall be navaid identified by `NavID`, `NavLat`, `NavLon`.
- `Course` shall be the boundary radial on which the arc begins (preceding fix lies hereupon).
- `Course` shall be the boundary radial on which the arc begins, measured from the navaid
identified by (`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`).
- Arc and turn shall be flown in direction specified by `TurnDir`.
### Units
@@ -39,12 +40,14 @@ LGAV BIBE1K SID (Cycle 2507, ID 10653)
While similar to an RF, the center point is coded differently.
Calculate distance for FMS based on `2 * π * NavDist * abs(NavBear - Course) 360`.
## Course to Altitude (CA)
### Example
LGAV BIBE1L SID (Cycle 2507, ID 10654)
LGAV 03L BIBE1L SID (Cycle 2507, ID 10654)
### Minimum Required Fields
@@ -54,6 +57,8 @@ LGAV BIBE1L SID (Cycle 2507, ID 10654)
### Instructions
- From preceding fix, fly along `Course` until reaching `Alt`.
- If preceding fix was overfly, offset outbound `Course` to end of turn (tangent).
- Earliest leg terminations is at point of tangent.
### Units
@@ -71,7 +76,7 @@ This new origin is an implicit overfly.
### Example
LGAV BIBE2F SID (Cycle 2507, ID 10657)
LGAV 21L BIBE2F SID (Cycle 2507, ID 10657)
### Minimum Required Fields
@@ -83,6 +88,8 @@ LGAV BIBE2F SID (Cycle 2507, ID 10657)
- From preceding fix, fly along `Course` until reaching `Distance` from the navaid identified by
`NavID`.
- If preceding fix was overfly, offset outbound `Course` to end of turn (tangent).
- Earliest leg terminations is at point of tangent.
### Units
@@ -93,14 +100,13 @@ LGAV BIBE2F SID (Cycle 2507, ID 10657)
The leg terminates upon reaching `Distance`.
This intercept point then becomes the origin fix of the succeeding leg.
This new origin is an implicit overfly.
## Course to Fix (CF)
### Example
LGAV BIBE2F SID (Cycle 2507, ID 10657)
LGAV 21L BIBE2F SID (Cycle 2507, ID 10657)
### Minimum Required Fields
@@ -115,6 +121,7 @@ LGAV BIBE2F SID (Cycle 2507, ID 10657)
- From preceding fix, fly `Course` to the fix identified by (`WptID`, `WptLat`, `WptLon`) *or*
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`).
- If preceding fix was overfly, continue turn until intercept `Course`, then continue on `Course`.
### Units
@@ -139,7 +146,7 @@ shall be `TurnDir`.
### Example
LGAV BIBE1L SID (Cycle 2507, ID 10654)
LGAV 03L BIBE1L SID (Cycle 2507, ID 10654)
### Minimum Required Fields
@@ -164,7 +171,7 @@ This new origin can never be an overfly due to the intercept nature.
### Example
LGAV KOR1D SID (Cycle 2507, ID 10679)
LGAV 03L KOR1D SID (Cycle 2507, ID 10679)
### Minimum Required Fields
@@ -175,7 +182,7 @@ LGAV KOR1D SID (Cycle 2507, ID 10679)
### Instructions
- From preceding fix, fly `Course` until interception of `NavBear` radial *from* the navaid
identified by `NavID`.
identified by (`NavID`, `NavLat`, `NavLon`).
### Units
@@ -191,7 +198,7 @@ This intercept point then becomes the origin fix of the succeeding leg.
### Example
LGAV KOR1D SID (Cycle 2507, ID 10679)
LGAV 03L KOR1D SID (Cycle 2507, ID 10679)
### Minimum Required Fields
@@ -200,18 +207,20 @@ LGAV KOR1D SID (Cycle 2507, ID 10679)
### Instructions
- From present position, fly direct to fix identified by `WptID`
- From present position, fly direct to fix identified by `WptID`.
- If preceding fix and fix identified by `WptId` are the same, execute 360° turn
(requires `TurnDir`).
### Units
- `IsFlyOver`: Boolean indicating if fix is a mandatory fly over.
## Fix to Altitude (FA)
## Track from Fix to Altitude (FA)
### Example
LGAV BIBE2F SID (Cycle 2507, ID 10657)
LGAV 21L BIBE2F SID (Cycle 2507, ID 10657)
### Minimum Required Fields
@@ -226,6 +235,8 @@ LGAV BIBE2F SID (Cycle 2507, ID 10657)
- From the fix identified by (`WptID`, `WptLat`, `WptLon`) *or*
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`), fly `Course` until reaching `Alt`.
- If preceding fix was overfly, continue turn until intercept `Course`, then continue on `Course`.
- Earliest leg terminations is at point of intercept.
### Units
@@ -244,7 +255,7 @@ This new origin is an implicit overfly.
### Example
LIED CAR6F SID (Cycle 2507, ID 11798)
LIED 34L/R CAR6F SID (Cycle 2507, ID 11798)
### Minimum Required Fields
@@ -260,6 +271,9 @@ LIED CAR6F SID (Cycle 2507, ID 11798)
- From the fix identified by (`WptID`, `WptLat`, `WptLon`) *or*
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`), fly `Course` until reaching `Distance`.
- If preceding fix was overfly, continue turn until intercept `Course`, then continue on `Course`.
- Earliest leg terminations is at point of intercept.
### Units
@@ -277,7 +291,7 @@ This intercept point then becomes the origin fix of the succeeding leg.
### Example
LGAV BIBE2T SID (Cycle 2507, ID 10659)
LGAV 03R BIBE2T SID (Cycle 2507, ID 10659)
### Minimum Required Fields
@@ -291,8 +305,10 @@ LGAV BIBE2T SID (Cycle 2507, ID 10659)
### Instructions
- From the fix identified by (`WptID`, `WptLat`, `WptLon`) *or*
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`), fly `Course` until
reaching `Distance` from navaid identified by `NavID`.
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`), fly `Course` until reaching `Distance` from
navaid identified by `NavID`.
- If preceding fix was overfly, continue turn until intercept `Course`, then continue on `Course`.
- Earliest leg terminations is at point of intercept.
### Units
@@ -303,14 +319,13 @@ LGAV BIBE2T SID (Cycle 2507, ID 10659)
The leg terminates upon reaching `Distance`.
This intercept point then becomes the origin fix of the succeeding leg.
This new origin is an implicit overfly.
## From Fix to Manual termination (FM)
## Track from Fix to Manual Termination (FM)
### Example
LFPV PB2V SID (Cycle 2507, ID 10395)
LFPV 27 PB2V SID (Cycle 2507, ID 10395)
### Minimum Required Fields
@@ -331,7 +346,7 @@ LFPV PB2V SID (Cycle 2507, ID 10395)
- `NavDist` is in **nmi**. `NavDist` is geodesic.
## Holding mandatory (HA)
## Holding mandatory (altitude end) (HA)
### Example
@@ -405,7 +420,7 @@ My guess is that `Distance` always is a distance. This would match with the exam
The Leg terminates after the hold is exited ath the hold entry fix.
## Holding mandatory (HM)
## Holding mandatory (manual end) (HM)
### Example
@@ -442,7 +457,7 @@ My guess as for the missing time/distance decider field, assume it to be distanc
### Example
FAWB VDM29 APP (Cycle 2507, ID 67794), Missed approach procedure
FAWB 29 VDM29 APP (Cycle 2507, ID 67794), Missed approach procedure
### Minimum Required Fields
@@ -478,8 +493,11 @@ FAUP VDM35 APP (Cycle 2507, ID 67790)
### Instructions
- From the fix identified by (`WptID`, `WptLat`, `WptLon`) *or*
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`), fly `Course` for `Distance`.
- Turn `TurnDir` until aligned with succeeding leg course.
(`NavID`, `NavLat`, `NavLon`, `NavDist`, `NavBear`), fly direct to succeeding leg fix.
- Turn `TurnDir` onto `Course`.
- Fly for 1 minute.
- Turn 180°.
- Fly until intercepting course of succeeding leg.
- `Alt` shall be the altitude during the procedure.
### Units
@@ -490,15 +508,17 @@ FAUP VDM35 APP (Cycle 2507, ID 67790)
### Notes
This needs to look into the succeeding leg in order to calculate the intercept point.
This intercept point then becomes the origin fix of the succeeding leg.
This needs to look into the succeeding leg in order to fly the first segment and get the course
to intercept after the reversal.
The database does not specify how long the outbound leg shall be.
1 minute is assumed here (googled it, seemed a common one).
## Radius to Fix (RF)
### Example
LFRN GODA5R SID (cycle 2507, ID 10485)
LFRN 10 GODA5R SID (cycle 2507, ID 10485)
### Minimum Required Fields
@@ -512,10 +532,11 @@ LFRN GODA5R SID (cycle 2507, ID 10485)
### Instructions
- From preceding fix, fly a smooth arc to the fix identified by (`WptID`, `WptLat`, `WptLon`).
- Arc radius shall be `NavDist`.
- Arc center shall be navaid identified by `CenterID`, `CenterLat`, `CenterLon`.
- Arc and turn shall be flown in direction specified by `TurnDir`.
- `Distance` shall be the track miles along the curved path
- `Course` shall be the inbound course of the tangent to the arc at the fix identified by
(`WptID`, `WptLat`, `WptLon`).
### Units
@@ -528,14 +549,15 @@ While similar to an AF, the center point is coded differently.
No radius is specified, but can be inferred based on center point, both endpoints and arc length
Example has `NavBear` set to `null`, significance of the inbound tangential track is unknown.
Same for the `Course`, which is set, but lacks any documentation.
Use `Distance` for calculations in FMS.
## Track to Fix (TF)
### Example
LFRN GODA5R SID (cycle 2507, ID 10485)
LFRN 10 GODA5R SID (cycle 2507, ID 10485)
### Minimum Required Fields
@@ -545,7 +567,7 @@ LFRN GODA5R SID (cycle 2507, ID 10485)
### Instructions
- From the preceding waypoint, fly direct to the waypoint identified by
`WptID`, `WptLat`, `WptLon`.
(`WptID`, `WptLat`, `WptLon`).
### Units
@@ -556,7 +578,7 @@ LFRN GODA5R SID (cycle 2507, ID 10485)
### Example
LFRK LGL4X SID (Cycle 2507, ID 10475)
LFRK 10 LGL4X SID (Cycle 2507, ID 10475)
### Minimum Required Fields
@@ -584,7 +606,7 @@ This new origin is an implicit overfly.
### Example
LFRK NEVI4Y SID (Cycle 2507, ID 10482)
LFRK 31 NEVI4Y SID (Cycle 2507, ID 10482)
### Minimum Required Fields
@@ -595,7 +617,7 @@ LFRK NEVI4Y SID (Cycle 2507, ID 10482)
### Instructions
- From preceding fix, fly heading specified in `Course` until reaching `Distance` from the navaid
identified by `NavID`.
identified by (`NavID`, `NavLat`, `NavLon`).
- **No wind corrections shall be applied**
### Units
@@ -607,14 +629,13 @@ LFRK NEVI4Y SID (Cycle 2507, ID 10482)
The leg terminates upon reaching `Distance`.
This intercept point then becomes the origin fix of the succeeding leg.
This new origin is an implicit overfly.
## Heading to Intercept (VI)
### Example
LFRK LUSI4Y SID (Cycle 2507, ID 10480)
LFRK 31 LUSI4Y SID (Cycle 2507, ID 10480)
### Minimum Required Fields
@@ -641,7 +662,7 @@ This new origin can never be an overfly due to the intercept nature.
### Example
LFPV PB2P SID (Cycle 2507, ID 10394)
LFPV 27 PB2P SID (Cycle 2507, ID 10394)
### Minimum Required Fields
@@ -661,7 +682,7 @@ LFPV PB2P SID (Cycle 2507, ID 10394)
### Example
LIMC MMP8G SID (Cycle 2507, ID 11909)
LIMC 35R MMP8G SID (Cycle 2507, ID 11909)
### Minimum Required Fields
@@ -681,4 +702,28 @@ LIMC MMP8G SID (Cycle 2507, ID 11909)
### Notes
The leg terminates at the intercept point.
This intercept point then becomes the origin fix of the succeeding leg.
This intercept point then becomes the origin fix of the succeeding leg.
# Other Fields
- `Vnav`: Angle from IAF to MAP. Useful for RNAV.
# How to run
- `git clone https://git.hofmannnet.myhome-server.de/TFDi_MD-11_QA/NavDataExplorer.git`.
- `cd md11-nav-data`.
- `pnpm install`
For dev:
- Copy contents of `tfdidesign-aircraft-md11/Design/Primary` into ? `md11-nav-data/public/NavData`
- `cd md11-nav-data`.
- `pnpm dev`
For prod:
- `cd md11-nav-data`.
- `pnpm build`
- Verify NavData was copied into `dist`
Runways.json
-1
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TODO.md
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TermID_10394.json
-137
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@@ -1,137 +0,0 @@
[
{
"ID": 84218,
"TerminalID": 10394,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CF",
"WptID": 165609,
"WptLat": 48.77185278,
"WptLon": 2.09752222,
"TurnDir": "",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 228.5,
"NavDist": 18.7,
"Course": 267,
"Distance": 4,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": -1,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84219,
"TerminalID": 10394,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CF",
"WptID": 247786,
"WptLat": 48.73058333,
"WptLon": 1.8205,
"TurnDir": "",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 239,
"NavDist": 29.1,
"Course": 256,
"Distance": 11,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": -1,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84220,
"TerminalID": 10394,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CF",
"WptID": 253072,
"WptLat": 48.75372222,
"WptLon": 2.10236111,
"TurnDir": "R",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 225.6,
"NavDist": 19.3,
"Course": 107,
"Distance": 11,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84221,
"TerminalID": 10394,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CR",
"WptID": null,
"WptLat": null,
"WptLon": null,
"TurnDir": "",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 137,
"NavDist": null,
"Course": 73,
"Distance": null,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84222,
"TerminalID": 10394,
"Type": "2",
"Transition": "ALL",
"TrackCode": "VM",
"WptID": null,
"WptLat": null,
"WptLon": null,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 73,
"Distance": null,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
}
]
TermID_10395.json
-110
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@@ -1,110 +0,0 @@
[
{
"ID": 84223,
"TerminalID": 10395,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CF",
"WptID": 165609,
"WptLat": 48.77185278,
"WptLon": 2.09752222,
"TurnDir": "",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 228.5,
"NavDist": 18.7,
"Course": 267,
"Distance": 4,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": -1,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84224,
"TerminalID": 10395,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CF",
"WptID": 165604,
"WptLat": 48.80511389,
"WptLon": 2.01279722,
"TurnDir": "",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 239,
"NavDist": 20.3,
"Course": 310,
"Distance": 3,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": -1,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84225,
"TerminalID": 10395,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CI",
"WptID": null,
"WptLat": null,
"WptLon": null,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 22,
"Distance": null,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84226,
"TerminalID": 10395,
"Type": "2",
"Transition": "ALL",
"TrackCode": "FM",
"WptID": 165605,
"WptLat": 48.83954444,
"WptLon": 1.95262222,
"TurnDir": "",
"NavID": 3827,
"NavLat": 48.97466667,
"NavLon": 2.45516667,
"NavBear": 247,
"NavDist": 21.5,
"Course": 67,
"Distance": null,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
}
]
TermID_10475.json
-83
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@@ -1,83 +0,0 @@
[
{
"ID": 84536,
"TerminalID": 10475,
"Type": "2",
"Transition": "ALL",
"TrackCode": "VA",
"WptID": null,
"WptLat": null,
"WptLon": null,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 125,
"Distance": null,
"Alt": "00660A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 84537,
"TerminalID": 10475,
"Type": "2",
"Transition": "ALL",
"TrackCode": "CF",
"WptID": 247774,
"WptLat": 49.11566667,
"WptLon": -0.32125,
"TurnDir": "",
"NavID": 3836,
"NavLat": 49.17319444,
"NavLon": -0.45527778,
"NavBear": 123.1,
"NavDist": 6.3,
"Course": 125,
"Distance": 6,
"Alt": "",
"Vnav": null,
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"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458537,
"TerminalID": 67790,
"Type": "A",
"Transition": "UPV1",
"TrackCode": "CF",
"WptID": 113102,
"WptLat": -28.51632222,
"WptLon": 21.33836389,
"TurnDir": "",
"NavID": 1333,
"NavLat": -28.40175278,
"NavLon": 21.26041111,
"NavBear": 168,
"NavDist": 8,
"Course": 348,
"Distance": 2,
"Alt": "04500A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458538,
"TerminalID": 67790,
"Type": "A",
"Transition": "UPV2",
"TrackCode": "IF",
"WptID": 250431,
"WptLat": -28.40175278,
"WptLon": 21.26041111,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "05800A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458539,
"TerminalID": 67790,
"Type": "A",
"Transition": "UPV2",
"TrackCode": "HF",
"WptID": 250431,
"WptLat": -28.40175278,
"WptLon": 21.26041111,
"TurnDir": "L",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 348,
"Distance": 8,
"Alt": "04500A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458540,
"TerminalID": 67790,
"Type": "D",
"Transition": "",
"TrackCode": "IF",
"WptID": 113102,
"WptLat": -28.51632222,
"WptLon": 21.33836389,
"TurnDir": "",
"NavID": 1333,
"NavLat": -28.40175278,
"NavLon": 21.26041111,
"NavBear": 168,
"NavDist": 8,
"Course": null,
"Distance": null,
"Alt": "04500A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": -1,
"IsMAP": 0
},
{
"ID": 458541,
"TerminalID": 67790,
"Type": "D",
"Transition": "",
"TrackCode": "CF",
"WptID": null,
"WptLat": -28.41938889,
"WptLon": 21.27444444,
"TurnDir": "",
"NavID": 1333,
"NavLat": -28.40175278,
"NavLon": 21.26041111,
"NavBear": 163.9,
"NavDist": 1.3,
"Course": 348,
"Distance": 6.7,
"Alt": "MAP",
"Vnav": 2.45,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": -1
},
{
"ID": 458542,
"TerminalID": 67790,
"Type": "D",
"Transition": "",
"TrackCode": "CF",
"WptID": 250431,
"WptLat": -28.40175278,
"WptLon": 21.26041111,
"TurnDir": "",
"NavID": 1333,
"NavLat": -28.40175278,
"NavLon": 21.26041111,
"NavBear": 0,
"NavDist": 0,
"Course": 348,
"Distance": 1.3,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": -1,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458543,
"TerminalID": 67790,
"Type": "D",
"Transition": "",
"TrackCode": "CA",
"WptID": null,
"WptLat": null,
"WptLon": null,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 348,
"Distance": null,
"Alt": "05500A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458544,
"TerminalID": 67790,
"Type": "D",
"Transition": "",
"TrackCode": "DF",
"WptID": 250431,
"WptLat": -28.40175278,
"WptLon": 21.26041111,
"TurnDir": "L",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "05800",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
}
]
TermID_67794.json
-353
View File
@@ -1,353 +0,0 @@
[
{
"ID": 458580,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD291",
"TrackCode": "IF",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "08000A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458581,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD291",
"TrackCode": "HF",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "R",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 284,
"Distance": 5.5,
"Alt": "07000A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": 140,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458582,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD292",
"TrackCode": "IF",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "07000A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458583,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD292",
"TrackCode": "TF",
"WptID": 113123,
"WptLat": -25.64774167,
"WptLon": 28.34813056,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "07000A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458584,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD292",
"TrackCode": "FC",
"WptID": 113123,
"WptLat": -25.64774167,
"WptLon": 28.34813056,
"TurnDir": "",
"NavID": 1283,
"NavLat": -25.65591667,
"NavLon": 28.220075,
"NavBear": 104,
"NavDist": 7,
"Course": 59,
"Distance": 2.7,
"Alt": "07000A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": -1,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458585,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD292",
"TrackCode": "CF",
"WptID": 113123,
"WptLat": -25.64774167,
"WptLon": 28.34813056,
"TurnDir": "R",
"NavID": 1283,
"NavLat": -25.65591667,
"NavLon": 28.220075,
"NavBear": 104,
"NavDist": 7,
"Course": 284,
"Distance": 3,
"Alt": "07000A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458586,
"TerminalID": 67794,
"Type": "A",
"Transition": "FD292",
"TrackCode": "CF",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "",
"NavID": 1283,
"NavLat": -25.65591667,
"NavLon": 28.220075,
"NavBear": 104,
"NavDist": 4.3,
"Course": 284,
"Distance": 2.7,
"Alt": "05300A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458587,
"TerminalID": 67794,
"Type": "D",
"Transition": "",
"TrackCode": "IF",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "",
"NavID": 1283,
"NavLat": -25.65591667,
"NavLon": 28.220075,
"NavBear": 104,
"NavDist": 4.3,
"Course": null,
"Distance": null,
"Alt": "05300A",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": -1,
"IsMAP": 0
},
{
"ID": 458588,
"TerminalID": 67794,
"Type": "D",
"Transition": "",
"TrackCode": "CF",
"WptID": 113127,
"WptLat": -25.65404722,
"WptLon": 28.24951389,
"TurnDir": "",
"NavID": 1283,
"NavLat": -25.65591667,
"NavLon": 28.220075,
"NavBear": 104,
"NavDist": 1.6,
"Course": 284,
"Distance": 2.7,
"Alt": "MAP",
"Vnav": 3,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": -1
},
{
"ID": 458589,
"TerminalID": 67794,
"Type": "D",
"Transition": "",
"TrackCode": "FD",
"WptID": 113127,
"WptLat": -25.65404722,
"WptLon": 28.24951389,
"TurnDir": "",
"NavID": 1283,
"NavLat": -25.65591667,
"NavLon": 28.220075,
"NavBear": 104,
"NavDist": 1.6,
"Course": 284,
"Distance": 2.2,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458590,
"TerminalID": 67794,
"Type": "D",
"Transition": "",
"TrackCode": "DF",
"WptID": 250381,
"WptLat": -25.65591667,
"WptLon": 28.220075,
"TurnDir": "R",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458591,
"TerminalID": 67794,
"Type": "D",
"Transition": "",
"TrackCode": "TF",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": null,
"Distance": null,
"Alt": "07000",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": null,
"IsFAF": 0,
"IsMAP": 0
},
{
"ID": 458592,
"TerminalID": 67794,
"Type": "D",
"Transition": "",
"TrackCode": "HM",
"WptID": 113125,
"WptLat": -25.65088056,
"WptLon": 28.29919167,
"TurnDir": "R",
"NavID": null,
"NavLat": null,
"NavLon": null,
"NavBear": null,
"NavDist": null,
"Course": 284,
"Distance": 4,
"Alt": "",
"Vnav": null,
"CenterID": null,
"CenterLat": null,
"CenterLon": null,
"IsFlyOver": 0,
"SpeedLimit": 140,
"IsFAF": 0,
"IsMAP": 0
}
]
Terminals.json
-1
View File
File diff suppressed because one or more lines are too long
Waypoints.json
-1
View File
File diff suppressed because one or more lines are too long
geojson.js
-663
View File
@@ -1,663 +0,0 @@
import fs from "fs";
import geo from "geojson";
import geolib from "geolib";
/* Constants */
const π = Math.PI;
const AC_SPEED = 250;
const AC_VS = 3000;
// ADJ to location, (NG), E is neg.
/* LFPV */
//const MAGVAR = -1;
//const PROCEDURE_ID = 10394;
//const PROCEDURE_ID = 10395;
/* LFRK */
const MAGVAR = 0;
//const PROCEDURE_ID = 10475;
//const PROCEDURE_ID = 10480;
//const PROCEDURE_ID = 10482;
const PROCEDURE_ID = 10485;
/* Prototypes */
Number.prototype.toRadians = function () {
return (this * Math.PI) / 180;
};
Number.prototype.toDegrees = function () {
return (this * 180) / Math.PI;
};
Number.prototype.flipCourse = function () {
let inv = this + 180;
inv = inv >= 360 ? inv - 360 : inv;
return inv;
};
Number.prototype.normaliseDegrees = function () {
return this >= 360 ? this - 360 : this < 0 ? this + 360 : this;
};
Number.prototype.toTrue = function () {
return (this - MAGVAR).normaliseDegrees();
};
/* Functions */
const updateLastCourse = (line) => {
lastCourse = geolib.getGreatCircleBearing(
{
latitude: line.at(-2)[1],
longitude: line.at(-2)[0],
},
{
latitude: line.at(-1)[1],
longitude: line.at(-1)[0],
}
);
};
const nmiToMetre = (nmi) => nmi * 1852.0;
const computeIntersection = (p1, brng1, p2, brng2) => {
if (isNaN(brng1)) throw new TypeError(`invalid brng1 ${brng1}`);
if (isNaN(brng2)) throw new TypeError(`invalid brng2 ${brng2}`);
// see www.edwilliams.org/avform.htm#Intersection
const φ1 = p1.lat.toRadians(),
λ1 = p1.lon.toRadians();
const φ2 = p2.lat.toRadians(),
λ2 = p2.lon.toRadians();
const θ13 = Number(brng1).toRadians(),
θ23 = Number(brng2).toRadians();
const Δφ = φ2 - φ1,
Δλ = λ2 - λ1;
// angular distance p1-p2
const δ12 =
2 *
Math.asin(
Math.sqrt(
Math.sin(Δφ / 2) * Math.sin(Δφ / 2) +
Math.cos(φ1) * Math.cos(φ2) * Math.sin(Δλ / 2) * Math.sin(Δλ / 2)
)
);
if (Math.abs(δ12) < Number.EPSILON) return p1; // coincident points
// initial/final bearings between points
const cosθa =
(Math.sin(φ2) - Math.sin(φ1) * Math.cos(δ12)) /
(Math.sin(δ12) * Math.cos(φ1));
const cosθb =
(Math.sin(φ1) - Math.sin(φ2) * Math.cos(δ12)) /
(Math.sin(δ12) * Math.cos(φ2));
const θa = Math.acos(Math.min(Math.max(cosθa, -1), 1)); // protect against rounding errors
const θb = Math.acos(Math.min(Math.max(cosθb, -1), 1)); // protect against rounding errors
const θ12 = Math.sin(λ2 - λ1) > 0 ? θa : 2 * π - θa;
const θ21 = Math.sin(λ2 - λ1) > 0 ? 2 * π - θb : θb;
const α1 = θ13 - θ12; // angle 2-1-3
const α2 = θ21 - θ23; // angle 1-2-3
if (Math.sin(α1) == 0 && Math.sin(α2) == 0) return null; // infinite intersections
if (Math.sin(α1) * Math.sin(α2) < 0) return null; // ambiguous intersection (antipodal/360°)
const cosα3 =
-Math.cos(α1) * Math.cos(α2) + Math.sin(α1) * Math.sin(α2) * Math.cos(δ12);
const δ13 = Math.atan2(
Math.sin(δ12) * Math.sin(α1) * Math.sin(α2),
Math.cos(α2) + Math.cos(α1) * cosα3
);
const φ3 = Math.asin(
Math.min(
Math.max(
Math.sin(φ1) * Math.cos(δ13) +
Math.cos(φ1) * Math.sin(δ13) * Math.cos(θ13),
-1
),
1
)
);
const Δλ13 = Math.atan2(
Math.sin(θ13) * Math.sin(δ13) * Math.cos(φ1),
Math.cos(δ13) - Math.sin(φ1) * Math.sin(φ3)
);
const λ3 = λ1 + Δλ13;
const lat = φ3.toDegrees();
const lon = λ3.toDegrees();
return { lat, lon, name: "INTC", alt: p1.alt };
};
const generateTangentialArc = (inbdCrs, outbCrs, arcStart, legEnd, turnDir) => {
const line = [];
if (inbdCrs !== outbCrs) {
// Course to the end of the arc
let crsToArcEnd;
if (!turnDir || turnDir === "E") {
let prov = outbCrs - inbdCrs;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
turnDir = prov > 0 ? "L" : "R";
}
if (turnDir === "R") {
const delta = (360 - outbCrs + inbdCrs).normaliseDegrees();
crsToArcEnd = (outbCrs + delta / 2).normaliseDegrees();
} else {
const delta = (outbCrs + 360 - inbdCrs).normaliseDegrees();
crsToArcEnd = (outbCrs - delta / 2).normaliseDegrees();
}
// Arc end
const arcEnd = computeIntersection(
arcStart,
crsToArcEnd,
legEnd,
inbdCrs.flipCourse()
);
if (!arcEnd) {
// Early end due to no intercept
return null;
}
let startPerpCrs;
let endPerpCrs;
if (turnDir === "R") {
startPerpCrs = (outbCrs + 90).normaliseDegrees();
endPerpCrs = (inbdCrs + 90).normaliseDegrees();
} else {
startPerpCrs = (outbCrs - 90).normaliseDegrees();
endPerpCrs = (inbdCrs - 90).normaliseDegrees();
}
// Generate arc
const arcCenter = computeIntersection(
arcStart,
startPerpCrs,
arcEnd,
endPerpCrs
);
const arcRad = geolib.getDistance(
{
latitude: arcCenter.lat,
longitude: arcCenter.lon,
},
{
latitude: arcStart.lat,
longitude: arcStart.lon,
}
);
startPerpCrs = startPerpCrs.flipCourse();
endPerpCrs = endPerpCrs.flipCourse();
// Start turn immediately
if (turnDir === "R") {
startPerpCrs += startPerpCrs < 1 ? startPerpCrs : 1;
} else {
startPerpCrs -= startPerpCrs < 1 ? startPerpCrs : 1;
}
while (startPerpCrs !== endPerpCrs) {
if (turnDir === "R") {
const delta = (endPerpCrs - startPerpCrs).normaliseDegrees();
startPerpCrs += delta < 1 ? delta : 1;
startPerpCrs = startPerpCrs.normaliseDegrees();
} else {
const delta = (startPerpCrs - endPerpCrs).normaliseDegrees();
startPerpCrs -= delta < 1 ? delta : 1;
startPerpCrs = startPerpCrs.normaliseDegrees();
}
if (startPerpCrs === endPerpCrs) break;
const arcFix = geolib.computeDestinationPoint(
arcCenter,
arcRad,
startPerpCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
}
return line;
};
const generatePerformanceArc = (inbdCrs, outbCrs, arcStart, turnDir) => {
const line = [[arcStart.lon, arcStart.lat]];
if (inbdCrs !== outbCrs) {
// Turn Dir
if (!turnDir || turnDir === "E") {
let prov = outbCrs - inbdCrs;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
turnDir = prov > 0 ? "L" : "R";
}
// Generate arc
while (outbCrs !== inbdCrs) {
if (turnDir === "R") {
const delta = (inbdCrs - outbCrs).normaliseDegrees();
outbCrs += delta < 1 ? delta : 1;
outbCrs = outbCrs.normaliseDegrees();
} else {
const delta = (outbCrs - inbdCrs).normaliseDegrees();
outbCrs -= delta < 1 ? delta : 1;
outbCrs = outbCrs.normaliseDegrees();
}
if (outbCrs === inbdCrs) break;
const arcFix = geolib.computeDestinationPoint(
{
latitude: line.at(-1)[1],
longitude: line.at(-1)[0],
},
nmiToMetre(240 / 3600),
outbCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
} else {
line.push([arcStart.lon, arcStart.lat]);
}
return line.slice(1);
};
const getCourseAndFixForInterceptions = (leg) => {
switch (leg.TrackCode) {
case "CF": {
return [
leg.Course.flipCourse().toTrue(),
{ lat: leg.WptLat, lon: leg.WptLon },
];
}
case "FM": {
return [leg.Course.toTrue(), { lat: leg.WptLat, lon: leg.WptLon }];
}
}
};
const handleTurnAtFix = (inbdCrs, inbdCrs2, start, end, turnDir) => {
// Begin line drawing at previous end
const line = [[start.lon, start.lat]];
// Draw arcs only if origin was flyover
if (start.isFlyOver) {
const arc1 = generateTangentialArc(
inbdCrs,
lastCourse,
start,
end,
turnDir
);
const arc2 = generatePerformanceArc(inbdCrs2, lastCourse, start, turnDir);
let arc;
if (arc1) {
const endCrs = geolib.getGreatCircleBearing(
{
latitude: arc1.at(-1)[1],
longitude: arc1.at(-1)[0],
},
{
latitude: end.lat,
longitude: end.lon,
}
);
if (endCrs <= inbdCrs + 1 && endCrs >= inbdCrs - 1) arc = arc1;
else arc = arc2;
} else {
arc = arc2;
}
// Push line
line.push(...arc);
} else {
//FIXME: Non Flyover
//line.push([end.lon, end.lat]);
}
return line;
};
const parseAltitude = (alt) => {
return Number.parseInt(alt.substring(0, 5));
};
/* Data */
const waypoints = JSON.parse(fs.readFileSync("Waypoints.json"));
const terminal = JSON.parse(fs.readFileSync("Terminals.json")).filter(
({ ID }) => ID === PROCEDURE_ID
)[0];
const runway = JSON.parse(fs.readFileSync("Runways.json")).filter(
({ ID }) => ID === terminal.RwyID
)[0];
const procedure = JSON.parse(fs.readFileSync(`TermID_${PROCEDURE_ID}.json`));
/* Output */
const points = [
{ lat: runway.Latitude, lon: runway.Longitude, alt: runway.Elevation },
];
const lines = [];
let lastCourse = 0;
/* Main */
for (let index = 0; index < procedure.length; index++) {
const leg = procedure[index];
const waypoint = waypoints.filter(({ ID }) => ID === leg.WptID)[0];
switch (leg.TrackCode) {
case "AF":
case "CA":
case "CD":
break;
case "CF": {
// Push in ending waypoint
points.push({
lat: leg.WptLat,
lon: leg.WptLon,
name: waypoint?.Ident ?? undefined,
"marker-color": leg.IsFlyOver !== 0 ? "#ff0000" : undefined,
isFlyOver: leg.IsFlyOver !== 0,
alt: points.at(-1).alt,
});
const line = handleTurnAtFix(
leg.Course.toTrue(),
leg.Course.toTrue(),
points.at(-2),
points.at(-1),
leg.TurnDir,
index
);
line.push([leg.WptLon, leg.WptLat]);
lines.push({ line });
updateLastCourse(lines.at(-1).line);
break;
}
case "CI": {
// Course into the destination fix and said fix
const [inbdCrs, fix] = getCourseAndFixForInterceptions(
procedure[index + 1]
);
// Compute INTC
const intc = computeIntersection(
points.at(-1),
leg.Course.toTrue(),
fix,
inbdCrs
);
const line = handleTurnAtFix(
inbdCrs,
leg.Course.toTrue(),
points.at(-1),
intc,
leg.TurnDir,
index
);
lines.push({ line });
updateLastCourse(line);
const intc2 = computeIntersection(
{ lat: line.at(-1)[1], lon: line.at(-1)[0] },
leg.Course.toTrue(),
fix,
inbdCrs
);
if (intc2) {
points.push(intc2);
lines.push({ line: [line.at(-1), [intc2.lon, intc2.lat]] });
updateLastCourse(line);
} else {
points.push(intc);
lines.push({
line: [line.at(-1), [intc.lon, intc.lat]],
});
}
break;
}
case "CR": {
// Course into the destination fix
const inbdCrs = leg.Course.toTrue();
// Compute INTC
const intc = computeIntersection(
points.at(-1),
inbdCrs,
{ lat: leg.NavLat, lon: leg.NavLon },
leg.NavBear.toTrue()
);
points.push(intc);
const line = handleTurnAtFix(
inbdCrs,
leg.Course.toTrue(),
points.at(-2),
points.at(-1),
leg.TurnDir,
index
);
line.push([intc.lon, intc.lat]);
lines.push({ line });
updateLastCourse(line);
break;
}
case "DF":
case "FA":
case "FC":
case "FD":
break;
case "FM": {
const end = geolib.computeDestinationPoint(
{
latitude: points.at(-1).lat,
longitude: points.at(-1).lon,
},
nmiToMetre(10),
leg.Course.toTrue()
);
const line = handleTurnAtFix(
leg.Course.toTrue(),
leg.Course.toTrue(),
points.at(-1),
{ lat: end.latitude, lon: end.longitude },
leg.TurnDir,
index
);
lines.push({ line });
line.push([end.longitude, end.latitude]);
updateLastCourse(line);
break;
}
case "HA":
case "HF":
case "HM":
case "IF":
case "PI":
case "RF":
break;
case "TF": {
// Push in ending waypoint
points.push({
lat: leg.WptLat,
lon: leg.WptLon,
name: waypoint?.Ident ?? undefined,
"marker-color": leg.IsFlyOver !== 0 ? "#ff0000" : undefined,
isFlyOver: leg.IsFlyOver !== 0,
alt: points.at(-1).alt,
});
const inbdCrs = geolib.getGreatCircleBearing(
{ latitude: points.at(-2).lat, longitude: points.at(-2).lon },
{ latitude: points.at(-1).lat, longitude: points.at(-1).lon }
);
const line = handleTurnAtFix(
inbdCrs,
inbdCrs,
points.at(-2),
points.at(-1),
leg.TurnDir,
index
);
line.push([leg.WptLon, leg.WptLat]);
lines.push({ line });
updateLastCourse(line);
break;
}
case "VA": {
// NOTE: No wind adjustments to be made, no clue how *that* would draw
const end = geolib.computeDestinationPoint(
{
latitude: points.at(-1).lat,
longitude: points.at(-1).lon,
},
nmiToMetre(
((parseAltitude(leg.Alt) - points.at(-1).alt) / AC_VS) *
(AC_SPEED / 60)
),
leg.Course.toTrue()
);
points.push({
lat: end.latitude,
lon: end.longitude,
name: leg.Alt,
"marker-color": "#ff0000",
isFlyOver: true,
alt: parseAltitude(leg.Alt),
});
const line = handleTurnAtFix(
leg.Course.toTrue(),
leg.Course.toTrue(),
points.at(-2),
{ lat: end.latitude, lon: end.longitude },
leg.TurnDir,
index
);
line.push([end.longitude, end.latitude]);
lines.push({ line });
updateLastCourse(line);
break;
}
case "VD": {
// NOTE: No wind adjustments to be made, no clue how *that* would draw
const end = geolib.computeDestinationPoint(
{
latitude: points.at(-1).lat,
longitude: points.at(-1).lon,
},
//NOTE: Does not account for slant
nmiToMetre(leg.Distance),
leg.Course.toTrue()
);
points.push({
lat: end.latitude,
lon: end.longitude,
name: leg.Alt,
"marker-color": "#ff0000",
isFlyOver: true,
alt: points.at(-1).alt,
});
const line = handleTurnAtFix(
leg.Course.toTrue(),
leg.Course.toTrue(),
points.at(-2),
{ lat: end.latitude, lon: end.longitude },
leg.TurnDir,
index
);
line.push([end.longitude, end.latitude]);
lines.push({ line });
updateLastCourse(line);
break;
}
case "VI": {
// NOTE: No wind adjustments to be made, no clue how *that* would draw
// Course into the destination fix and said fix
const [inbdCrs, fix] = getCourseAndFixForInterceptions(
procedure[index + 1]
);
// Compute INTC
const intc = computeIntersection(
points.at(-1),
leg.Course.toTrue(),
fix,
inbdCrs
);
const line = handleTurnAtFix(
inbdCrs,
leg.Course.toTrue(),
points.at(-1),
intc,
leg.TurnDir,
index
);
lines.push({ line });
updateLastCourse(line);
const intc2 = computeIntersection(
{ lat: line.at(-1)[1], lon: line.at(-1)[0] },
leg.Course.toTrue(),
fix,
inbdCrs
);
if (intc2) {
points.push(intc2);
lines.push({ line: [line.at(-1), [intc2.lon, intc2.lat]] });
updateLastCourse(line);
}
break;
}
case "VM": {
const end = geolib.computeDestinationPoint(
{
latitude: points.at(-1).lat,
longitude: points.at(-1).lon,
},
nmiToMetre(10),
leg.Course.toTrue()
);
const line = handleTurnAtFix(
leg.Course.toTrue(),
leg.Course.toTrue(),
points.at(-1),
{ lat: end.latitude, lon: end.longitude },
leg.TurnDir,
index
);
line.push([end.longitude, end.latitude]);
lines.push({ line });
updateLastCourse(line);
break;
}
case "VR":
case "AF":
default:
break;
}
}
/* geoJSON */
const output = geo.parse([...points, ...lines], {
Point: ["lat", "lon"],
LineString: "line",
});
console.log(JSON.stringify(output, null, 2));
md11-nav-data/.dockerignore
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node_modules
.git
.gitignore
*.md
dist
md11-nav-data/.nvmrc
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v22
md11-nav-data/.prettierignore
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public
pnpm-lock.yaml
node_modules
md11-nav-data/.prettierrc
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{
"printWidth": 120,
"tabWidth": 2,
"semi": true,
"trailingComma": "es5",
"singleQuote": true,
"arrowParens": "always",
"plugins": ["prettier-plugin-organize-imports", "prettier-plugin-tailwindcss"]
}
md11-nav-data/Dockerfile
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FROM node:lts-alpine AS base
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable
COPY . /app
WORKDIR /app
FROM base AS prod-deps
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile
FROM base AS build
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile
RUN pnpm run build
FROM base
COPY --from=prod-deps /app/node_modules /app/node_modules
COPY --from=build /app/dist /app/dist
EXPOSE 3003
ENTRYPOINT [ "pnpm", "serve" ]
md11-nav-data/README.md
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# React + TypeScript + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) for Fast Refresh
- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
## Expanding the ESLint configuration
If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
```js
export default tseslint.config([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Remove tseslint.configs.recommended and replace with this
...tseslint.configs.recommendedTypeChecked,
// Alternatively, use this for stricter rules
...tseslint.configs.strictTypeChecked,
// Optionally, add this for stylistic rules
...tseslint.configs.stylisticTypeChecked,
// Other configs...
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
```
You can also install [eslint-plugin-react-x](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-x) and [eslint-plugin-react-dom](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-dom) for React-specific lint rules:
```js
// eslint.config.js
import reactX from 'eslint-plugin-react-x'
import reactDom from 'eslint-plugin-react-dom'
export default tseslint.config([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Enable lint rules for React
reactX.configs['recommended-typescript'],
// Enable lint rules for React DOM
reactDom.configs.recommended,
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
```
md11-nav-data/compose.yaml
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networks:
traefik:
name: traefik
services:
md11-nav-data:
build: .
image: md11-nav-data
container_name: md11-nav-data-server
volumes:
- /Volumes/Data/DockerMD11NavData/NavData:/app/dist/NavData
environment:
PORT: 3003
env_file: ".env"
restart: always
networks:
- traefik
labels:
- "traefik.enable=true"
- "traefik.http.routers.md11-nav-data-router.rule=Host(`md11-nav-data.hofmannnet.myhome-server.de`)"
- "traefik.http.routers.md11-nav-data-router.service=md11-nav-data-service"
- "traefik.http.services.md11-nav-data-service.loadbalancer.server.port=3003"
- "traefik.http.routers.md11-nav-data-router.entrypoints=websecure"
- "traefik.http.routers.md11-nav-data-router.tls=true"
- "traefik.http.routers.md11-nav-data-router.tls.certresolver=letsencrypt"
- "traefik.http.routers.md11-nav-data-router.middlewares=md11-nav-data-auth"
- "traefik.http.middlewares.md11-nav-data-auth.basicauth.users=tfdi:$$apr1$$gN9W1XPy$$hucbFbJGcMv/GaUgiZ/mX."
md11-nav-data/eslint.config.js
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import js from '@eslint/js';
import reactHooks from 'eslint-plugin-react-hooks';
import reactRefresh from 'eslint-plugin-react-refresh';
import { globalIgnores } from 'eslint/config';
import globals from 'globals';
import tseslint from 'typescript-eslint';
export default tseslint.config([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
js.configs.recommended,
tseslint.configs.recommended,
reactHooks.configs['recommended-latest'],
reactRefresh.configs.vite,
],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
},
rules: {
'@typescript-eslint/no-shadow': 'error',
'@typescript-eslint/no-unused-vars': [
'error',
{
destructuredArrayIgnorePattern: '^_+$',
},
],
},
},
]);
md11-nav-data/index.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link href="/src/style.css" rel="stylesheet">
<title>MD-11 NavData Browser</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>
md11-nav-data/package.json
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{
"name": "browser",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite --port 3000 --host",
"build": "tsc -b && vite build",
"lint": "eslint . --ext .ts,.tsx --fix",
"preview": "vite preview",
"serve": "pnpm npx http-server dist"
},
"dependencies": {
"browser-image-manipulation": "^0.4.0",
"geojson": "^0.5.0",
"geolib": "^3.3.4",
"leaflet": "^1.9.4",
"leaflet-svg-shape-markers": "^1.4.0",
"navigraph": "^1.4.1",
"qrcode.react": "^4.2.0",
"react": "^19.1.0",
"react-dom": "^19.1.0",
"react-leaflet": "^5.0.0",
"tailwindcss": "^4.1.11"
},
"devDependencies": {
"@eslint/js": "^9.31.0",
"@tailwindcss/vite": "^4.1.11",
"@types/leaflet": "^1.9.20",
"@types/object-hash": "^3.0.6",
"@types/react": "^19.1.8",
"@types/react-dom": "^19.1.6",
"@vitejs/plugin-react-swc": "^3.10.2",
"eslint": "^9.31.0",
"eslint-plugin-react-hooks": "^5.2.0",
"eslint-plugin-react-refresh": "^0.4.20",
"globals": "^16.3.0",
"object-hash": "^3.0.0",
"prettier": "^3.6.2",
"prettier-plugin-organize-imports": "^4.1.0",
"prettier-plugin-tailwindcss": "^0.6.14",
"typescript": "~5.8.3",
"typescript-eslint": "^8.37.0",
"vite": "^7.0.4"
}
}
md11-nav-data/pnpm-lock.yaml
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md11-nav-data/public/NavData/README.MD
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Copy over contents of `Data/Primary` retaining the structure.
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md11-nav-data/src/App.tsx
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import type { DeviceFlowParams } from 'navigraph/auth';
import { QRCodeSVG } from 'qrcode.react';
import { useEffect, useState } from 'react';
import { ProcedureSelect } from './components//ProcedureSelect';
import { Loader } from './components/Loader';
import { Map } from './components/Map';
import { Sidebar } from './components/Sidebar';
import { useNavigraphAuth } from './contexts/NavigraphAuth/NavigraphAuthContext';
import Parser from './parser/parser';
function App() {
const [parser, setParser] = useState<Parser>();
const [selectedAirport, setSelectedAirport] = useState<Airport>();
const [selectedRunway, setSelectedRunway] = useState<Runway>();
const [selectedTerminal, setSelectedTerminal] = useState<Terminal>();
const [transitions, setTransitions] = useState<Procedure[]>([]);
const [params, setParams] = useState<DeviceFlowParams | null>(null);
const [selectedTransition, setSelectedTransition] = useState<Procedure>();
const [selectedChart, setSelectedChart] = useState<Chart>();
const [skippedNG, setSkippedNG] = useState(false);
const { user, signIn, initialized } = useNavigraphAuth();
const handleSignIn = () => signIn((p) => setParams(p));
useEffect(() => {
(async () => {
setParser(await Parser.instance());
})();
}, []);
if (!parser || !initialized) {
return (
<div className="flex min-h-dvh w-full">
<div className="flex h-dvh w-dvw flex-col items-center justify-center gap-2">
<Loader size={3} />
{!parser && <span className="text-3xl">Initialising Parser...</span>}
{!initialized && <span className="text-3xl">Initialising Navigraph SDK...</span>}
</div>
</div>
);
}
return (
<>
{!user && !skippedNG ? (
<div className="flex min-h-dvh w-full">
{initialized && !params && (
<div className="flex h-dvh w-dvw flex-col items-center justify-center gap-2">
<button
className="cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2"
onClick={handleSignIn}
>
Sign in to NG
</button>
<button
className="cursor-pointer rounded border border-gray-600 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2"
onClick={() => setSkippedNG(true)}
>
Skip NG
</button>
</div>
)}
{params?.verification_uri_complete && (
<div className="flex h-dvh w-dvw flex-col items-center justify-center">
<QRCodeSVG value={params.verification_uri_complete} size={250} />
<div className="flex w-100 items-center text-center before:mr-1 before:flex-1 before:border-b-1 before:content-[''] after:ml-1 after:flex-1 after:border-b-1 after:content-['']">
or
</div>
<a className="text-3xl" href={params.verification_uri_complete} target="_blank" rel="noreferrer">
Open sign in page
</a>
</div>
)}
</div>
) : (
<div className="flex h-dvh w-dvw">
{selectedAirport && selectedRunway && selectedTerminal ? (
<Sidebar
airport={selectedAirport}
runway={selectedRunway}
terminal={selectedTerminal}
transitions={transitions}
transition={selectedTransition}
chart={selectedChart}
skippedNG={skippedNG}
setTransition={setSelectedTransition}
setChart={setSelectedChart}
backAction={() => {
setSelectedTerminal(undefined);
setSelectedChart(undefined);
setTransitions([]);
setSelectedTransition(undefined);
}}
/>
) : (
<ProcedureSelect
parser={parser}
selectedAirport={selectedAirport}
selectedRunway={selectedRunway}
selectedTerminal={selectedTerminal}
setSelectedAirport={setSelectedAirport}
setSelectedRunway={setSelectedRunway}
setSelectedTerminal={setSelectedTerminal}
handleSelection={(selectedTransitions, _terminal) => {
let _transitions = selectedTransitions
.map((transition) => ({
name: transition,
data: parser.parse(selectedRunway!, _terminal, transition),
}))
.filter(
(transition) =>
!transition.name.startsWith('RW') || transition.name === `RW${selectedRunway?.Ident}`
);
if (_transitions.length > 1)
_transitions = _transitions.filter((transition) => transition.name !== 'ALL');
setTransitions(_transitions);
setSelectedTransition(_transitions[0]);
setSelectedChart(undefined);
}}
/>
)}
<Map
airport={selectedAirport}
chart={selectedChart}
procedures={selectedTransition ? [selectedTransition] : []}
/>
</div>
)}
</>
);
}
export default App;
md11-nav-data/src/components/Loader.tsx
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import type { FC } from 'react';
interface LoaderProps {
size?: 0.5 | 1 | 2 | 3;
}
export const Loader: FC<LoaderProps> = ({ size = 2 }) => {
const variants = {
0.5: 'size-6 border-1 after:top-1 after:left-0.5 after:size-1.5 after:border-1',
1: 'size-12 border-2 after:top-2 after:left-1 after:size-3 after:border-2',
2: 'size-24 border-4 after:top-3 after:left-2 after:size-6 after:border-4',
3: 'size-36 border-6 after:top-4 after:left-3 after:size-9 after:border-6',
};
return (
<div className="flex justify-center">
<span
className={`relative inline-block ${variants[size]} animate-spin rounded-[50%] border-red-500 after:absolute after:rounded-[50%] after:border-black after:content-['']`}
></span>
</div>
);
};
md11-nav-data/src/components/Map.tsx
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import { default as L } from 'leaflet';
import 'leaflet-svg-shape-markers';
import { createRef, Fragment, useEffect, type FC } from 'react';
import { GeoJSON, ImageOverlay, MapContainer, TileLayer } from 'react-leaflet';
interface MapProps {
airport: Airport | undefined;
chart: Chart | undefined;
procedures: Procedure[];
}
export const Map: FC<MapProps> = ({ airport, chart, procedures }) => {
const mapRef = createRef<L.Map>();
const imageRef = createRef<L.ImageOverlay>();
useEffect(() => {
if (airport) mapRef.current?.flyTo([airport?.Latitude, airport?.Longitude], 10, { animate: false });
}, [airport]);
return (
<MapContainer
center={[0, 0]}
zoom={5}
zoomSnap={0}
className="h-full w-full"
ref={(_mapRef) => {
_mapRef?.attributionControl.setPosition('topright');
_mapRef?.zoomControl.setPosition('topright');
mapRef.current = _mapRef;
}}
>
<TileLayer
attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
/>
{chart && chart.bounds && (
<ImageOverlay
url={chart.data}
bounds={chart.bounds}
opacity={0.75}
ref={(_imageRef) => {
if (_imageRef) {
mapRef.current?.fitBounds(_imageRef.getBounds(), {
padding: [-50, -50],
});
}
imageRef.current = _imageRef;
}}
/>
)}
{procedures.map((procedure) => (
<Fragment key={procedure.name}>
<GeoJSON
key={`${procedure.name}-lines`}
data={procedure.data}
style={({ properties }) => ({
color: properties.isMAP ? '#00ffff' : '#ff00ff',
stroke: true,
weight: properties.isMAP ? 2.5 : 5,
opacity: 1,
dashArray: properties.isManual ? '20, 20' : undefined,
})}
filter={(feature) => feature.geometry.type !== 'Point'}
/>
<GeoJSON
key={`${procedure.name}-points`}
data={procedure.data}
style={{
color: 'black',
fill: true,
fillColor: 'transparent',
stroke: true,
weight: 3,
}}
pointToLayer={({ properties }, latlng) => {
if (properties.isIntersection) return L.circleMarker(latlng, { radius: 6 });
else if (properties.IsMAP)
return L.shapeMarker(latlng, {
shape: 'square',
radius: 6,
});
else if (properties.IsFAF)
return L.shapeMarker(latlng, {
shape: 'diamond',
radius: 6,
});
else if (properties.isFlyOver)
return L.shapeMarker(latlng, {
shape: 'triangle',
radius: 6,
});
else if (properties.isInitial)
return L.shapeMarker(latlng, {
shape: 'arrowhead',
radius: 6,
});
return L.shapeMarker(latlng, {
shape: 'star-4',
radius: 10,
rotation: 45,
});
}}
onEachFeature={({ geometry, properties }, layer) => {
if (geometry.type === 'Point') {
layer.bindPopup(
`${properties.name}<br>
${properties.altitude} ft<br>
${properties.speed} kts<br>
CNSTR:
${properties.altitudeConstraint ?? ''}
${properties.speedConstraint ?? ''}<br>`
);
}
}}
filter={(feature) => feature.geometry.type === 'Point'}
/>
</Fragment>
))}
</MapContainer>
);
};
md11-nav-data/src/components/ProcedureSelect.tsx
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import { createRef, useMemo, useState, type Dispatch, type FC, type SetStateAction } from 'react';
import Parser from '../parser/parser';
import { Loader } from './Loader';
interface ProcedureSelectProps {
parser: Parser;
selectedAirport: Airport | undefined;
selectedRunway: Runway | undefined;
selectedTerminal: Terminal | undefined;
setSelectedAirport: Dispatch<SetStateAction<Airport | undefined>>;
setSelectedRunway: Dispatch<SetStateAction<Runway | undefined>>;
setSelectedTerminal: Dispatch<SetStateAction<Terminal | undefined>>;
handleSelection: (transitions: string[], terminal: Terminal) => void;
}
export const ProcedureSelect: FC<ProcedureSelectProps> = ({
parser,
selectedAirport,
selectedRunway,
selectedTerminal,
setSelectedAirport,
setSelectedRunway,
setSelectedTerminal,
handleSelection,
}) => {
const inputRef = createRef<HTMLInputElement>();
const [error, setError] = useState<string>();
const [inFlight, setInFlight] = useState<number>();
const runways = useMemo(
() => parser.runways.filter(({ AirportID }) => AirportID === selectedAirport?.ID),
[selectedAirport]
);
const terminals = useMemo(() => {
const _terminals = parser.terminals.filter(
({ AirportID, RwyID }) => AirportID === selectedAirport?.ID && (!RwyID || RwyID === selectedRunway?.ID)
);
return {
star: _terminals.filter((terminal) => terminal.Proc === 1),
sid: _terminals.filter((terminal) => terminal.Proc === 2),
iap: _terminals.filter((terminal) => terminal.Proc === 3),
};
}, [selectedAirport, selectedRunway]);
return (
<div className="flex h-full w-[300px] shrink-0 flex-col overflow-hidden">
{selectedAirport && (
<button
className="sticky top-0 m-2 cursor-pointer rounded border border-red-500 bg-red-500 px-2 py-1 font-semibold text-stone-50 focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black"
onClick={() => {
setError(undefined);
setInFlight(undefined);
if (selectedTerminal) {
setSelectedTerminal(undefined);
} else if (selectedRunway) {
setSelectedRunway(undefined);
} else if (selectedAirport) {
setSelectedAirport(undefined);
}
}}
>
Go back
</button>
)}
<div className="flex h-[calc(100%-50px)] flex-col gap-2 overflow-y-auto px-2 pb-2">
{!selectedAirport && (
<div className="flex w-full flex-col gap-2">
<h1 className="text-center text-3xl">Enter Airport ICAO</h1>
<input
ref={inputRef}
className="rounded border border-black px-2 py-1 focus:outline-2 focus-visible:outline-2"
onChange={(e) => {
if (e.target.value.length <= 4) e.target.value = e.target.value.toUpperCase();
else e.target.value = e.target.value.slice(0, 4);
}}
></input>
<button
className="w-full cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2"
onClick={() => {
const airport = parser.airports.find(({ ICAO }) => ICAO === inputRef.current?.value.toUpperCase());
if (!airport) {
setError('Airport not found');
return;
}
setSelectedAirport(airport);
setError(undefined);
}}
>
Select Airport
</button>
{error && <span className="text-center text-red-700">{error}</span>}
</div>
)}
{selectedAirport && !selectedRunway && (
<div className="flex w-full flex-col gap-2">
<h1 className="text-center text-3xl">Select Runway</h1>
{runways.map((runway) => (
<button
key={runway.ID}
className="w-full cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2"
onClick={() => setSelectedRunway(runway)}
>
Runway {runway.Ident}
</button>
))}
</div>
)}
{selectedAirport && selectedRunway && !selectedTerminal && (
<div className="flex w-full flex-col gap-2">
<h1 className="text-center text-3xl">Select Procedure</h1>
<div className="flex flex-col gap-2">
<div className="sticky top-0 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Arrivals</div>
{terminals.star.map((terminal) => (
<button
key={terminal.ID}
className="cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2 disabled:bg-gray-100"
onClick={() => {
setInFlight(terminal.ID);
parser.loadTerminal(terminal.ID).then(() => {
setSelectedTerminal(terminal);
const transitions = new Set(parser.procedures.map((proc) => proc.Transition));
handleSelection(Array.from(transitions), terminal);
setInFlight(undefined);
});
}}
disabled={!!inFlight}
>
<div className="flex justify-between">
{terminal.FullName}
{inFlight === terminal.ID && <Loader size={0.5} />}
</div>
</button>
))}
</div>
<div className="flex flex-col gap-2">
<div className="sticky top-0 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Departures</div>
{terminals.sid.map((terminal) => (
<button
key={terminal.ID}
className="cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2 disabled:bg-gray-100"
onClick={() => {
setInFlight(terminal.ID);
parser.loadTerminal(terminal.ID).then(() => {
setSelectedTerminal(terminal);
const transitions = new Set(parser.procedures.map((proc) => proc.Transition));
handleSelection(Array.from(transitions), terminal);
setInFlight(undefined);
});
}}
disabled={!!inFlight}
>
<div className="flex justify-between">
{terminal.FullName}
{inFlight === terminal.ID && <Loader size={0.5} />}
</div>
</button>
))}
</div>
<div className="flex flex-col gap-2">
<div className="sticky top-0 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Approaches</div>
{terminals.iap.map((terminal) => (
<button
key={terminal.ID}
className="cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2 disabled:bg-gray-100"
onClick={() => {
setInFlight(terminal.ID);
parser.loadTerminal(terminal.ID).then(() => {
setSelectedTerminal(terminal);
const transitions = new Set(parser.procedures.map((proc) => proc.Transition));
handleSelection(Array.from(transitions), terminal);
setInFlight(undefined);
});
}}
disabled={!!inFlight}
>
<div className="flex justify-between">
{terminal.FullName}
{inFlight === terminal.ID && <Loader size={0.5} />}
</div>
</button>
))}
</div>
</div>
)}
</div>
</div>
);
};
md11-nav-data/src/components/Sidebar.tsx
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import BrowserImageManipulation from 'browser-image-manipulation';
import L from 'leaflet';
import type { Chart as NGChart } from 'navigraph/charts';
import { useCallback, useEffect, useState, type Dispatch, type FC, type SetStateAction } from 'react';
import { charts } from '../lib/navigraph';
import { Loader } from './Loader';
interface SidebarProps {
airport: Airport;
runway: Runway;
terminal: Terminal;
transitions: Procedure[];
transition: Procedure | undefined;
chart: Chart | undefined;
skippedNG?: boolean;
setTransition: Dispatch<SetStateAction<SidebarProps['transition']>>;
setChart: Dispatch<SetStateAction<SidebarProps['chart']>>;
backAction: () => void;
}
export const Sidebar: FC<SidebarProps> = ({
airport,
runway,
terminal,
transitions,
transition,
chart,
skippedNG,
setTransition,
setChart,
backAction,
}) => {
const [inFlight, setInFlight] = useState(false);
const [chartIndex, setChartIndex] = useState<{
sid: NGChart[];
star: NGChart[];
iap: NGChart[];
}>({ star: [], sid: [], iap: [] });
useEffect(() => {
if (skippedNG) return;
setInFlight(true);
(async () => {
const _chartIndex = await charts.getChartsIndex({ icao: airport.ICAO, version: 'STD' });
const newChartIndex = {
star:
_chartIndex?.filter(
(_chart) =>
_chart.category === 'ARR' && (_chart.runways.length === 0 || _chart.runways.includes(runway.Ident))
) ?? [],
sid:
_chartIndex?.filter(
(_chart) =>
_chart.category === 'DEP' && (_chart.runways.length === 0 || _chart.runways.includes(runway.Ident))
) ?? [],
iap:
_chartIndex?.filter(
(_chart) =>
_chart.category === 'APP' && (_chart.runways.length === 0 || _chart.runways.includes(runway.Ident))
) ?? [],
};
_chartIndex?.filter((_chart) => ['ARR', 'DEP', 'APP'].includes(_chart.category));
setChartIndex(newChartIndex);
setInFlight(false);
})();
}, [airport.ICAO]);
useEffect(() => {
if (terminal) {
const star = chartIndex.star.find((_chart) => _chart.procedures.includes(terminal.FullName));
const sid = chartIndex.sid.find((_chart) => _chart.procedures.includes(terminal.FullName));
const iap = chartIndex.iap.find((_chart) => _chart.procedures.includes(terminal.FullName));
if (star) findChart(star);
if (sid) findChart(sid);
if (iap) findChart(iap);
}
}, [terminal, chartIndex]);
const findChart = useCallback(
async (_chart: NGChart) => {
if (chart?.index_number === _chart.index_number) return;
if (!_chart.bounding_boxes) return;
const planView = _chart.bounding_boxes.planview;
const chartImage = await charts.getChartImage({ chart: _chart, theme: 'light' });
if (!chartImage) return;
// Crop
const dataURL = await new BrowserImageManipulation()
.loadBlob(chartImage)
.crop(
planView.pixels.x2 - planView.pixels.x1,
planView.pixels.y1 - planView.pixels.y2,
planView.pixels.x1,
planView.pixels.y2
)
.saveAsImage();
const bounds = new L.LatLngBounds(
[planView.latlng.lat1, planView.latlng.lng1],
[planView.latlng.lat2, planView.latlng.lng2]
);
setChart({ data: dataURL, index_number: _chart.index_number, bounds });
},
[chart]
);
return (
<div className="flex h-full w-[300px] shrink-0 flex-col overflow-hidden">
<button
className="sticky top-0 m-2 cursor-pointer rounded border border-red-500 bg-red-500 px-2 py-1 font-semibold text-stone-50 focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black"
onClick={backAction}
>
Go back
</button>
<div className="flex h-[calc(100%-50px)] flex-col gap-2 overflow-y-auto px-2 pb-2">
<div className="flex flex-col gap-2">
<div className="sticky top-0 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">
Transitions for <span className="font-bold">{terminal.FullName}</span>
</div>
{transitions.map((_procedure) => (
<button
key={_procedure.name}
className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${_procedure.name === transition?.name ? 'outline-2' : ''}`}
onClick={() => {
if (_procedure.name === transition?.name) return;
setTransition(_procedure);
}}
>
{_procedure.name ? _procedure.name : 'NONE'}
</button>
))}
</div>
{!skippedNG && (
<div className="flex flex-col gap-2">
<div className="sticky top-0 z-10 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Charts</div>
{inFlight && <Loader size={3} />}
<div className="flex flex-col gap-2">
<div className="sticky top-7 -mx-2 -mt-2 bg-gray-500 px-2 text-lg font-semibold text-white">Arrivals</div>
{chartIndex.star
.filter((_chart) => _chart.is_georeferenced)
.map((_chart) => (
<button
key={_chart.index_number}
className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
onClick={() => findChart(_chart)}
>
<span className="font-bold">{_chart.index_number}</span>
<br />
{_chart.name}
</button>
))}
</div>
<div className="flex flex-col gap-2">
<div className="sticky top-7 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Departures</div>
{chartIndex.sid
.filter((_chart) => _chart.is_georeferenced)
.map((_chart) => (
<button
key={_chart.index_number}
className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
onClick={() => findChart(_chart)}
>
<span className="font-bold">{_chart.index_number}</span>
<br />
{_chart.name}
</button>
))}
</div>
<div className="flex flex-col gap-2">
<div className="sticky top-7 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Approaches</div>
{chartIndex.iap
.filter((_chart) => _chart.is_georeferenced)
.map((_chart) => (
<button
key={_chart.index_number}
className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
onClick={() => findChart(_chart)}
>
<span className="font-bold">{_chart.index_number}</span>
<br />
{_chart.name}
</button>
))}
</div>
</div>
)}
</div>
</div>
);
};
md11-nav-data/src/contexts/NavigraphAuth/NavigraphAuthContext.ts
+19
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import { type User } from 'navigraph/auth';
import { createContext, useContext } from 'react';
import { auth } from '../../lib/navigraph';
interface NavigraphAuthContext {
initialized: boolean;
user: User | null;
signIn: typeof auth.signInWithDeviceFlow;
}
export const authContext = createContext<NavigraphAuthContext>({
initialized: false,
user: null,
signIn: () => Promise.reject('Not initialized'),
});
export const useNavigraphAuth = () => {
return useContext(authContext);
};
md11-nav-data/src/contexts/NavigraphAuth/NavigraphAuthProvider.tsx
+37
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import type { User } from 'navigraph/auth';
import { useEffect, useState } from 'react';
import { auth } from '../../lib/navigraph';
import { authContext } from './NavigraphAuthContext';
// Provider hook that creates auth object and handles state
function useProvideAuth() {
const [user, setUser] = useState<User | null>(null);
const [initialized, setinitialized] = useState(false);
// Subscribe to user on mount
// Because this sets state in the callback it will cause any
// component that utilizes this hook to re-render with the latest auth object.
useEffect(() => {
const unsubscribe = auth.onAuthStateChanged((u) => {
if (!initialized) setinitialized(true);
setUser(u);
});
// Cleanup subscription on unmount
return () => unsubscribe();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
return {
user,
initialized,
signIn: auth.signInWithDeviceFlow,
};
}
// Provider component that wraps your app and makes auth object
// available to any child component that calls useAuth().
export function NavigraphAuthProvider({ children }: { children: React.ReactNode }) {
const _auth = useProvideAuth();
return <authContext.Provider value={_auth}>{children}</authContext.Provider>;
}
md11-nav-data/src/lib/navigraph.ts
+21
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import { initializeApp, Scope, type NavigraphApp } from 'navigraph/app';
import { getAuth } from 'navigraph/auth';
import { getChartsAPI } from 'navigraph/charts';
const config: NavigraphApp = {
clientId: import.meta.env.VITE_NG_CLIENT_ID,
clientSecret: import.meta.env.VITE_NG_CLIENT_SECRET,
scopes: [Scope.CHARTS],
};
initializeApp(config);
export const auth = getAuth({
storage: {
// Optional
getItem: (key) => localStorage.getItem('NG' + key),
setItem: (key, value) => localStorage.setItem('NG' + key, value),
},
});
export const charts = getChartsAPI();
md11-nav-data/src/main.tsx
+14
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import { StrictMode } from 'react';
import { createRoot } from 'react-dom/client';
import App from './App.tsx';
import 'leaflet/dist/leaflet.css';
import { NavigraphAuthProvider } from './contexts/NavigraphAuth/NavigraphAuthProvider.tsx';
createRoot(document.getElementById('root')!).render(
<StrictMode>
<NavigraphAuthProvider>
<App />
</NavigraphAuthProvider>
</StrictMode>
);
md11-nav-data/src/parser/parser.ts
+344
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import geojson from 'geojson';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import { TerminatorsAF } from './terminators/AF';
import { TerminatorsCA } from './terminators/CA';
import { TerminatorsCD } from './terminators/CD';
import { TerminatorsCF } from './terminators/CF';
import { TerminatorsCI } from './terminators/CI';
import { TerminatorsCR } from './terminators/CR';
import { TerminatorsDF } from './terminators/DF';
import { TerminatorsFA } from './terminators/FA';
import { TerminatorsFC } from './terminators/FC';
import { TerminatorsFD } from './terminators/FD';
import { TerminatorsFM } from './terminators/FM';
import { TerminatorsHA } from './terminators/HA';
import { TerminatorsHF } from './terminators/HF';
import { TerminatorsHM } from './terminators/HM';
import { TerminatorsIF } from './terminators/IF';
import { TerminatorsPI } from './terminators/PI';
import { TerminatorsRF } from './terminators/RF';
import { TerminatorsTF } from './terminators/TF';
import { TerminatorsVA } from './terminators/VA';
import { TerminatorsVD } from './terminators/VD';
import { TerminatorsVI } from './terminators/VI';
import { TerminatorsVM } from './terminators/VM';
import { TerminatorsVR } from './terminators/VR';
import './utils/extensions';
class Parser {
private static _instance: Parser;
private _airports: Airport[];
private _waypoints: Waypoint[];
private _runways: Runway[];
private _terminals: Terminal[];
private _procedures: TerminalEntry[] = [];
public static MAGVAR: Uint8Array;
public static AC_SPEED = 250;
public static AC_BANK = 30;
public static AC_VS = 1400;
private constructor(
magVar: Uint8Array,
airports: Airport[],
waypoints: Waypoint[],
runways: Runway[],
terminals: Terminal[]
) {
Parser.MAGVAR = magVar;
this._airports = airports;
this._waypoints = waypoints;
this._runways = runways;
this._terminals = terminals;
}
public static instance = async () => {
if (!Parser._instance) {
const magVar = await (await fetch('NavData/magdec.bgl')).bytes();
const airports = await (await fetch('NavData/Airports.json')).json();
const waypoints = await (await fetch('NavData/Waypoints.json')).json();
const runways = await (await fetch('NavData/Runways.json')).json();
const terminals = await (await fetch('NavData/Terminals.json')).json();
Parser._instance = new Parser(magVar, airports, waypoints, runways, terminals);
}
return Parser._instance;
};
public get airports() {
return this._airports;
}
public get terminals() {
return this._terminals;
}
public get waypoints() {
return this._waypoints;
}
public get runways() {
return this._runways;
}
public get procedures() {
return this._procedures;
}
public loadTerminal = async (terminalID: number) => {
this._procedures = (await (
await fetch(`NavData/ProcedureLegs/TermID_${terminalID}.json`)
).json()) as TerminalEntry[];
};
public parse = (runway: Runway, terminal: Terminal, transition: string) => {
// Private functions
/**
* @param line Line segments
*/
const updateLastCourse = (line: LineSegment[]) => {
lastCourse = getGreatCircleBearing(
{
latitude: line.at(-2)![1],
longitude: line.at(-2)![0],
},
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
}
);
};
/**
* @param fix New fix
* @param line New line
* @param options Options for line rendering
*/
const update = (fix?: NavFix, line?: LineSegment[], options?: Record<string, unknown>) => {
if (fix) navFixes.push(fix);
if (line) {
lineSegments.push({ line, ...options });
updateLastCourse(line);
}
};
// Output variables
const navFixes: NavFix[] = [];
const lineSegments: { line: LineSegment[]; [x: string]: unknown }[] = [];
let lastCourse = 0;
// RWY as origin for Departures
if (terminal.Proc === 2) {
navFixes.push({
latitude: runway.Latitude,
longitude: runway.Longitude,
altitude: runway.Elevation,
speed: 0,
name: runway.Ident,
});
lastCourse = runway.TrueHeading;
}
const legOptions = { isMAP: false };
const procedure = this._procedures.filter(
({ Transition }) => !Transition || Transition === transition || Transition === 'ALL'
);
// Main
for (let index = 0; index < procedure.length; index++) {
console.log('Processing leg with ID', procedure[index].ID);
const leg = procedure[index];
leg.Alt = leg.IsMAP ? String(runway.Elevation + 200).padStart(5, '0') : leg.Alt;
const waypoint = this.waypoints.find(({ ID }) => ID === leg.WptID);
if (terminal.Proc !== 2 && navFixes.length === 0) {
if (!leg.WptLat || !leg.WptLon)
throw new Error('Non departure procedure has first leg that has no defined starting point. Cannot render.');
navFixes.push({
latitude: leg.WptLat,
longitude: leg.WptLon,
altitude: leg.Alt ? leg.Alt.parseAltitude() : runway.Elevation,
speed: leg.SpeedLimit ? leg.SpeedLimit : Parser.AC_SPEED,
name: waypoint?.Ident,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
});
}
const previousFix = navFixes.at(-1)!;
legOptions.isMAP ||= previousFix.IsMAP ?? false;
switch (leg.TrackCode) {
case 'AF': {
const [fixToAdd, lineToAdd] = TerminatorsAF(leg as AFTerminalEntry, previousFix, waypoint);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'CA': {
const [fixToAdd, lineToAdd] = TerminatorsCA(leg as CATerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'CD': {
const [fixToAdd, lineToAdd] = TerminatorsCD(leg as CDTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'CF': {
const [fixToAdd, lineToAdd] = TerminatorsCF(
leg as CFTerminalEntry,
{ ...previousFix }, // COPY
lastCourse,
waypoint
);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'CI': {
const [fixToAdd, lineToAdd] = TerminatorsCI(
leg as CITerminalEntry,
procedure[index + 1],
{ ...previousFix }, // COPY
lastCourse
);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'CR': {
const [fixToAdd, lineToAdd] = TerminatorsCR(leg as CRTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'DF': {
const [fixToAdd, lineToAdd] = TerminatorsDF(leg as DFTerminalEntry, previousFix, lastCourse, waypoint);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'FA': {
const [fixToAdd, lineToAdd] = TerminatorsFA(leg as FATerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'FC': {
const [fixToAdd, lineToAdd] = TerminatorsFC(leg as FCTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'FD': {
const [fixToAdd, lineToAdd] = TerminatorsFD(leg as FDTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'FM': {
const [fixToAdd, lineToAdd] = TerminatorsFM(leg as FMTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, { isManual: true, ...legOptions });
// Make overfly
navFixes.at(-1)!.isFlyOver = true;
break;
}
case 'HA': {
const [fixToAdd, lineToAdd] = TerminatorsHA(leg as HATerminalEntry, previousFix);
update(fixToAdd, lineToAdd, { ...legOptions });
break;
}
case 'HF': {
const [fixToAdd, lineToAdd] = TerminatorsHF(leg as HFTerminalEntry, previousFix);
update(fixToAdd, lineToAdd, { ...legOptions });
break;
}
case 'HM': {
const [fixToAdd, lineToAdd] = TerminatorsHM(leg as HMTerminalEntry, previousFix);
update(fixToAdd, lineToAdd, { ...legOptions });
break;
}
case 'IF': {
const fixToAdd = TerminatorsIF(leg as RFTerminalEntry, waypoint);
// Only Runway, replace
if (navFixes.length <= 1) {
navFixes.push(fixToAdd);
lastCourse = -1;
}
break;
}
case 'PI': {
const nextLeg = procedure[index + 1] as CFTerminalEntry;
const _waypoint = this.waypoints.find(({ ID }) => ID === nextLeg.WptID);
const [fixToAdd, lineToAdd] = TerminatorsPI(leg as PITerminalEntry, nextLeg, previousFix, [
waypoint,
_waypoint,
]);
update(fixToAdd, lineToAdd, { ...legOptions });
break;
}
case 'RF': {
const [fixToAdd, lineToAdd] = TerminatorsRF(leg as RFTerminalEntry, previousFix, lastCourse, waypoint);
if (fixToAdd) {
navFixes.push(fixToAdd);
lastCourse = (leg as RFTerminalEntry).Course?.toTrue(fixToAdd);
}
if (lineToAdd) {
lineSegments.push({ line: lineToAdd, ...legOptions });
}
break;
}
case 'TF': {
const [fixToAdd, lineToAdd] = TerminatorsTF(
leg as TFTerminalEntry,
{ ...previousFix }, // COPY
lastCourse,
waypoint
);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'VA': {
const [fixToAdd, lineToAdd] = TerminatorsVA(leg as VATerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'VD': {
const [fixToAdd, lineToAdd] = TerminatorsVD(leg as VDTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'VI': {
const [fixToAdd, lineToAdd] = TerminatorsVI(
leg as VITerminalEntry,
procedure[index + 1],
{ ...previousFix }, // COPY
lastCourse
);
update(fixToAdd, lineToAdd, legOptions);
break;
}
case 'VM': {
const [fixToAdd, lineToAdd] = TerminatorsVM(leg as VMTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, { isManual: true, ...legOptions });
// Make overfly
navFixes.at(-1)!.isFlyOver = true;
break;
}
case 'VR': {
const [fixToAdd, lineToAdd] = TerminatorsVR(leg as VRTerminalEntry, previousFix, lastCourse);
update(fixToAdd, lineToAdd, legOptions);
break;
}
default:
console.error('Unknown TrackCode', leg.TrackCode);
break;
}
}
return geojson.parse([...navFixes, ...lineSegments], {
LineString: 'line',
Point: ['latitude', 'longitude'],
});
};
}
export default Parser;
md11-nav-data/src/parser/pathGenerators/generateAFArc.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
/**
* @param crsIntoEndpoint Course into arc endpoint
* @param crsFromOrigin Course into arc origin point
* @param start Arc origin point
* @param center Arc center point
* @param radius Arc radius in nmi
* @param turnDir Turn direction
* @returns Line segments
*/
export const generateAFArc = (
crsIntoEndpoint: number,
crsFromOrigin: number,
start: NavFix,
center: NavFix,
radius: number,
turnDir: TurnDirection
) => {
const line: LineSegment[] = [[start.longitude, start.latitude]];
if (crsIntoEndpoint !== crsFromOrigin) {
// Turn Dir
if (!turnDir || turnDir === 'E') {
let prov = crsFromOrigin - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
turnDir = prov > 0 ? 'L' : 'R';
}
while (crsFromOrigin !== crsIntoEndpoint) {
if (turnDir === 'R') {
const delta = (crsIntoEndpoint - crsFromOrigin).normaliseDegrees();
crsFromOrigin += delta < 0.1 ? delta : 0.1;
crsFromOrigin = crsFromOrigin.normaliseDegrees();
} else {
const delta = (crsFromOrigin - crsIntoEndpoint).normaliseDegrees();
crsFromOrigin -= delta < 0.1 ? delta : 0.1;
crsFromOrigin = crsFromOrigin.normaliseDegrees();
}
if (crsFromOrigin === crsIntoEndpoint) break;
const arcFix = computeDestinationPoint(center, radius.toMetre(), crsFromOrigin);
line.push([arcFix.longitude, arcFix.latitude]);
}
}
return line;
};
md11-nav-data/src/parser/pathGenerators/generateOverflyArc.ts
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import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import { generatePerformanceArc } from './generatePerformanceArc';
/**
* @param crsIntoEndpoint Course into arc endpoint
* @param crsFromOrigin Course from arc origin point
* @param start Arc origin point
* @param speed Speed within arc
* @param turnDir Turn direction
* @returns Line segments, arc endpoint, course into arc endpoint
*/
export const generateOverflyArc = (
crsIntoEndpoint: number,
crsFromOrigin: number,
start: NavFix,
speed: number,
turnDir?: TurnDirection,
force360?: boolean
): [LineSegment[], NavFix, number] => {
let line: LineSegment[] = [];
// Compute overfly arc
if (start.isFlyOver) {
line = generatePerformanceArc(crsIntoEndpoint, crsFromOrigin, start, speed, turnDir, force360);
}
// Compute procedural arc
else {
line.push([start.longitude, start.latitude]);
}
// Get arc endpoint and crs into arc endpoint
const arcEnd = { latitude: line.at(-1)![1], longitude: line.at(-1)![0] };
if (line.length > 1) {
crsFromOrigin = getGreatCircleBearing(
{
latitude: line.at(-2)![1],
longitude: line.at(-2)![0],
},
arcEnd
);
}
return [line, arcEnd, crsFromOrigin];
};
md11-nav-data/src/parser/pathGenerators/generatePerformanceArc.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { computeTurnRate } from '../utils/computeTurnRate';
/**
* @param crsIntoEndpoint Course into arc endpoint
* @param crsFromOrigin Course from arc origin point
* @param start Arc origin point
* @param speed Speed within arc
* @param turnDir Turn direction
* @param force360 If true, force a 360° turn
* @returns Line segments
*/
export const generatePerformanceArc = (
crsIntoEndpoint: number,
crsFromOrigin: number,
start: NavFix,
speed: number,
turnDir?: TurnDirection,
force360?: boolean
) => {
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const originalCrsFromOrigin = crsFromOrigin;
const line: LineSegment[] = [[start.longitude, start.latitude]];
// Check if there even is an arc
if (force360 || !crsFromOrigin.equal(crsIntoEndpoint)) {
// Turn Dir
if (!turnDir || turnDir === 'E') {
let prov = crsFromOrigin - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
turnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
while (!crsFromOrigin.equal(crsIntoEndpoint)) {
let time = 0;
if (turnDir === 'R') {
const delta = (crsIntoEndpoint - crsFromOrigin).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
crsFromOrigin = (crsFromOrigin + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (crsFromOrigin - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
crsFromOrigin = (crsFromOrigin - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
crsFromOrigin
);
line.push([arcFix.longitude, arcFix.latitude]);
}
// Second half
if (force360) {
const temp = crsIntoEndpoint;
crsIntoEndpoint = originalCrsFromOrigin;
crsFromOrigin = temp;
while (!crsFromOrigin.equal(crsIntoEndpoint)) {
let time = 0;
if (turnDir === 'R') {
const delta = (crsIntoEndpoint - crsFromOrigin).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
crsFromOrigin = (crsFromOrigin + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (crsFromOrigin - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
crsFromOrigin = (crsFromOrigin - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
crsFromOrigin
);
line.push([arcFix.longitude, arcFix.latitude]);
}
}
}
return line;
};
md11-nav-data/src/parser/pathGenerators/generateRFArc.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
/**
* @param crsIntoEndpoint Course into arc endpoint
* @param crsIntoOrigin Course into arc origin point
* @param start Arc origin point
* @param center Arc center point
* @param end Arc end point
* @param turnDir Turn Direction
* @returns Line segments
*/
export const generateRFArc = (
crsIntoEndpoint: number,
crsIntoOrigin: number,
start: NavFix,
center: NavFix,
end: NavFix,
turnDir: TurnDirection
) => {
const line: LineSegment[] = [[start.longitude, start.latitude]];
if (!crsIntoEndpoint.equal(crsIntoOrigin)) {
// Turn Dir
if (!turnDir || turnDir === 'E') {
let prov = crsIntoOrigin - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
turnDir = prov > 0 ? 'L' : 'R';
}
let crsOrthogonalOnOrigin = getGreatCircleBearing(center, start);
const crsOrthogonalOnEndpoint = getGreatCircleBearing(center, end);
const arcRad = getPreciseDistance(center, start);
// Start turn immediately
if (turnDir === 'R') {
crsOrthogonalOnOrigin += crsOrthogonalOnOrigin < 1 ? crsOrthogonalOnOrigin : 1;
} else {
crsOrthogonalOnOrigin -= crsOrthogonalOnOrigin < 1 ? crsOrthogonalOnOrigin : 1;
}
while (!crsOrthogonalOnOrigin.equal(crsOrthogonalOnEndpoint)) {
if (turnDir === 'R') {
const delta = (crsOrthogonalOnEndpoint - crsOrthogonalOnOrigin).normaliseDegrees();
crsOrthogonalOnOrigin += delta < 0.1 ? delta : 0.1;
crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.normaliseDegrees();
} else {
const delta = (crsOrthogonalOnOrigin - crsOrthogonalOnEndpoint).normaliseDegrees();
crsOrthogonalOnOrigin -= delta < 0.1 ? delta : 0.1;
crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.normaliseDegrees();
}
const arcFix = computeDestinationPoint(center, arcRad, crsOrthogonalOnOrigin);
line.push([arcFix.longitude, arcFix.latitude]);
}
}
return line;
};
md11-nav-data/src/parser/pathGenerators/generateTangentArc.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import { computeIntersection } from '../utils/computeIntersection';
/**
* @param crsIntoEndpoint Course into arc endpoint
* @param crsFromOrigin Course from arc origin point
* @param start Arc origin point
* @param end Leg endpoint
* @param turnDir Turn direction
* @returns Line segments forming arc from `start`to `end`
*/
export const generateTangentArc = (
crsIntoEndpoint: number,
crsFromOrigin: number,
start: NavFix,
end: NavFix,
turnDir?: TurnDirection
) => {
const line: LineSegment[] = [[start.longitude, start.latitude]];
// Check if there even is an arc
if (!crsFromOrigin.equal(crsIntoEndpoint)) {
// Course to the end of the arc
let crsFromStartToEnd;
if (!turnDir || turnDir === 'E') {
let prov = crsFromOrigin - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
turnDir = prov > 0 ? 'L' : 'R';
}
if (turnDir === 'R') {
const delta = (360 - crsFromOrigin + crsIntoEndpoint).normaliseDegrees();
crsFromStartToEnd = (crsFromOrigin + delta / 2).normaliseDegrees();
} else {
const delta = (crsFromOrigin + 360 - crsIntoEndpoint).normaliseDegrees();
crsFromStartToEnd = (crsFromOrigin - delta / 2).normaliseDegrees();
}
// Arc end
const intcArcOnCrsIntoEndpoint = computeIntersection(
start,
crsFromStartToEnd,
end,
crsIntoEndpoint.reciprocalCourse()
);
if (!intcArcOnCrsIntoEndpoint) return null;
let crsOrthogonalOnOrigin;
let crsOrthogonalOnEndpoint;
if (turnDir === 'R') {
crsOrthogonalOnOrigin = (crsFromOrigin + 90).normaliseDegrees();
crsOrthogonalOnEndpoint = (crsIntoEndpoint + 90).normaliseDegrees();
} else {
crsOrthogonalOnOrigin = (crsFromOrigin - 90).normaliseDegrees();
crsOrthogonalOnEndpoint = (crsIntoEndpoint - 90).normaliseDegrees();
}
// Generate arc
let arcRad = 0;
let arcCenter = computeIntersection(
start,
crsOrthogonalOnOrigin,
intcArcOnCrsIntoEndpoint,
crsOrthogonalOnEndpoint
);
if (!crsOrthogonalOnEndpoint.equal(crsOrthogonalOnOrigin) && arcCenter)
arcRad = getPreciseDistance(arcCenter, start);
else {
arcRad = getPreciseDistance(start, end) / 2;
arcCenter = computeDestinationPoint(start, arcRad, crsOrthogonalOnOrigin);
}
crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.reciprocalCourse();
crsOrthogonalOnEndpoint = crsOrthogonalOnEndpoint.reciprocalCourse();
// Start turn immediately
if (turnDir === 'R') {
crsOrthogonalOnOrigin += crsOrthogonalOnOrigin < 1 ? crsOrthogonalOnOrigin : 1;
} else {
crsOrthogonalOnOrigin -= crsOrthogonalOnOrigin < 1 ? crsOrthogonalOnOrigin : 1;
}
let lastDistance = getPreciseDistance(start, end);
while (!crsOrthogonalOnOrigin.equal(crsOrthogonalOnEndpoint)) {
if (turnDir === 'R') {
const delta = (crsOrthogonalOnEndpoint - crsOrthogonalOnOrigin).normaliseDegrees();
crsOrthogonalOnOrigin += delta < 0.1 ? delta : 0.1;
crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.normaliseDegrees();
} else {
const delta = (crsOrthogonalOnOrigin - crsOrthogonalOnEndpoint).normaliseDegrees();
crsOrthogonalOnOrigin -= delta < 0.1 ? delta : 0.1;
crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.normaliseDegrees();
}
const arcFix = computeDestinationPoint(arcCenter, arcRad, crsOrthogonalOnOrigin);
const newDistance = getPreciseDistance(arcFix, end);
if (lastDistance <= newDistance && lastDistance < 25) break;
lastDistance = newDistance;
line.push([arcFix.longitude, arcFix.latitude]);
}
}
return line;
};
md11-nav-data/src/parser/pathGenerators/handleTurnAtFix.ts
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import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import { generatePerformanceArc } from './generatePerformanceArc';
import { generateTangentArc } from './generateTangentArc';
/**
* @param crsIntoEndpoint Course into endpoint
* @param crsIntoIntercept Course into intercept point (only fo intercept type legs)
* @param crsFromOrigin Course from arc origin point
* @param start Waypoint where leg starts
* @param end Waypoint where leg ends
* @param speed Speed for performance arc
* @param turnDir Turn direction
* @returns Line segments from `start` to `end`
*/
export const handleTurnAtFix = (
crsIntoEndpoint: number,
crsIntoIntercept: number,
crsFromOrigin: number,
start: NavFix,
end: NavFix,
speed: number,
turnDir?: TurnDirection
) => {
const line: LineSegment[] = [];
// Overfly turn
if (start.isFlyOver) {
const arc1 = generateTangentArc(crsIntoEndpoint, crsFromOrigin, start, end, turnDir);
const arc2 = generatePerformanceArc(crsIntoIntercept, crsFromOrigin, start, speed, turnDir);
// Decide on arc
let arc;
if (arc1) {
const endCrs = getGreatCircleBearing(
{
latitude: arc1.at(-1)![1],
longitude: arc1.at(-1)![0],
},
end
);
if (endCrs <= crsIntoEndpoint + 1 && endCrs >= crsIntoEndpoint - 1) arc = arc1;
else arc = arc2;
} else {
arc = arc2;
}
line.push(...arc);
line.push([end.longitude, end.latitude]);
}
// Procedural turn
else {
line.push([start.longitude, start.latitude], [end.longitude, end.latitude]);
}
return line;
};
md11-nav-data/src/parser/terminators/AF.ts
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import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import { generateAFArc } from '../pathGenerators/generateAFArc';
import { computeSpeed } from '../utils/computeSpeed';
export const TerminatorsAF = (
leg: AFTerminalEntry,
previousFix: NavFix,
waypoint?: Waypoint
): [NavFix?, LineSegment[]?] => {
const navaid = {
latitude: leg.NavLat,
longitude: leg.NavLon,
};
const targetFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoint?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: computeSpeed(leg, previousFix),
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
const arcEndCrs = getGreatCircleBearing(navaid, targetFix);
const line = generateAFArc(arcEndCrs, leg.Course.toTrue(navaid), previousFix, navaid, leg.NavDist, leg.TurnDir);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/CA.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeSpeed } from '../utils/computeSpeed';
export const TerminatorsCA = (
leg: CATerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsIntoEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute intercept of crs from arc end and expected altitude
const targetFix: NavFix = {
...computeDestinationPoint(
arcEnd,
(
((leg.Alt.parseAltitude() - (previousFix.altitude ?? 0)) / Parser.AC_VS) *
((previousFix.speed ? previousFix.speed : Parser.AC_SPEED) / 60)
).toMetre(),
crsIntoEndpoint
),
name: leg.Alt,
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/CD.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: Distance not adjusted for altitude in this demo
export const TerminatorsCD = (
leg: CDTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const navaid = {
latitude: leg.NavLat,
longitude: leg.NavLon,
};
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
const speed = computeSpeed(leg, previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsIntoEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute distance to fly from arc end
const crsToNavaid = getGreatCircleBearing(arcEnd, navaid);
const distToNavaid = getPreciseDistance(arcEnd, navaid);
let remainingDistance = leg.Distance.toMetre();
// Navaid behind us
if (Math.abs(crsToNavaid - lastCourse) > 90) {
remainingDistance -= distToNavaid;
}
// Navaid in front of us
else {
// Navaid will not be passed before distance is hit
if (distToNavaid > remainingDistance) remainingDistance = distToNavaid - remainingDistance;
}
// Compute intercept of crs from arc end and distance
const targetFix: NavFix = {
...computeDestinationPoint(arcEnd, remainingDistance, lastCourse),
name: leg.Distance.toString(),
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/CF.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import Parser from '../parser';
import { generateTangentArc } from '../pathGenerators/generateTangentArc';
import { computeIntersection } from '../utils/computeIntersection';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
export const TerminatorsCF = (
leg: CFTerminalEntry,
previousFix: NavFix,
lastCourse: number,
waypoint?: Waypoint
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
const line: LineSegment[] = [];
const targetFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoint?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
// Compute overfly arc
let arc1: LineSegment[] | null = null;
let arc2: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
if (previousFix.isFlyOver) {
arc1 = generateTangentArc(crsIntoEndpoint, lastCourse, previousFix, targetFix, leg.TurnDir);
} else {
arc1 = [[previousFix.longitude, previousFix.latitude]];
}
let arc;
if (arc1 && arc1.length > 1) {
const endCrs = getGreatCircleBearing(
{
latitude: arc1.at(-1)![1],
longitude: arc1.at(-1)![0],
},
targetFix
);
const endDist = getPreciseDistance(
{
latitude: arc1.at(-1)![1],
longitude: arc1.at(-1)![0],
},
targetFix
);
if (endDist <= 25 || (endCrs <= crsIntoEndpoint + 1 && endCrs >= crsIntoEndpoint - 1)) arc = arc1;
}
const intercept = computeIntersection(previousFix, lastCourse, targetFix, crsIntoEndpoint.reciprocalCourse());
if (
!arc &&
previousFix.isFlyOver &&
(!lastCourse.equal(crsIntoEndpoint) || !lastCourse.equal(crsIntoEndpoint)) &&
!(intercept?.latitude === targetFix.latitude && intercept.longitude === targetFix.longitude)
) {
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
let updatedCrsToIntercept = getGreatCircleBearing(previousFix, targetFix);
// Turn Dir
if (!leg.TurnDir || leg.TurnDir === 'E') {
let prov = lastCourse - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
leg.TurnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
let lastDistance = getPreciseDistance(previousFix, targetFix);
const reversal = Math.abs(lastCourse - crsIntoEndpoint) >= 90;
while (!updatedCrsToIntercept.equal(crsIntoEndpoint)) {
let interceptAngle = 0;
if (leg.TurnDir === 'R') interceptAngle = Math.abs(lastCourse - crsIntoEndpoint);
else interceptAngle = Math.abs(crsIntoEndpoint - lastCourse);
let time = 0;
const increment = 0.1;
if (interceptAngle < 44.9 || interceptAngle >= 45.1) {
if (leg.TurnDir === 'R') {
lastCourse =
reversal || updatedCrsToIntercept >= crsIntoEndpoint
? (lastCourse + increment).normaliseDegrees()
: lastCourse;
time = increment / turnRate;
} else {
lastCourse =
reversal || updatedCrsToIntercept <= crsIntoEndpoint
? (lastCourse - increment).normaliseDegrees()
: lastCourse;
time = increment / turnRate;
}
} else time = increment / turnRate;
const arcFix = computeDestinationPoint(
{
latitude: arc2.at(-1)![1],
longitude: arc2.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
lastCourse
);
arc2.push([arcFix.longitude, arcFix.latitude]);
// Update previousFix
previousFix.latitude = arcFix.latitude;
previousFix.longitude = arcFix.longitude;
updatedCrsToIntercept = getGreatCircleBearing(previousFix, targetFix);
const newDistance = getPreciseDistance(previousFix, targetFix);
if (lastDistance <= newDistance && lastDistance < 25) break;
lastDistance = newDistance;
}
}
if (!arc) arc = arc2;
line.push(...arc);
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/CI.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import Parser from '../parser';
import { computeIntersection } from '../utils/computeIntersection';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
import { getCourseAndFixForIntercepts } from '../utils/getCourseAndFixForIntercepts';
export const TerminatorsCI = (
leg: CITerminalEntry,
nextLeg: TerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
const [crsToIntercept, nextFix] = getCourseAndFixForIntercepts(nextLeg, previousFix);
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
// Compute overfly arc
if (previousFix.isFlyOver && !lastCourse.equal(crsIntoEndpoint)) {
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const updatedCrsToIntercept = getGreatCircleBearing(previousFix, nextFix);
// Turn Dir
if (!leg.TurnDir || leg.TurnDir === 'E') {
let prov = lastCourse - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
leg.TurnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
while (!lastCourse.equal(crsIntoEndpoint) && !updatedCrsToIntercept.equal(crsToIntercept)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (crsIntoEndpoint - lastCourse).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (lastCourse - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
lastCourse
);
line.push([arcFix.longitude, arcFix.latitude]);
// Update previousFix
previousFix.latitude = arcFix.latitude;
previousFix.longitude = arcFix.longitude;
}
}
const interceptFix: NavFix = {
...computeIntersection(previousFix, leg.Course.toTrue(nextFix), nextFix, crsToIntercept)!,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([interceptFix.longitude, interceptFix.latitude]);
return [interceptFix, line];
};
md11-nav-data/src/parser/terminators/CR.ts
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import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeIntersection } from '../utils/computeIntersection';
import { computeSpeed } from '../utils/computeSpeed';
export const TerminatorsCR = (
leg: CRTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const navaid = {
latitude: leg.NavLat,
longitude: leg.NavLon,
};
const crsFromEndpoint = leg.Course.toTrue(previousFix);
const crsIntoEndpoint = leg.NavBear.toTrue(navaid);
const speed = computeSpeed(leg, previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsFromEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute intercept of crs from arc end and radial
const interceptFix: NavFix = {
...computeIntersection(arcEnd, crsFromEndpoint, navaid, crsIntoEndpoint)!,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([interceptFix.longitude, interceptFix.latitude]);
return [interceptFix, line];
};
md11-nav-data/src/parser/terminators/DF.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import Parser from '../parser';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
export const TerminatorsDF = (
leg: DFTerminalEntry,
previousFix: NavFix,
lastCourse: number,
waypoint?: Waypoint
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const originalCrsFromOrigin = lastCourse;
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
const targetFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoint?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
let crsIntoEndpoint = getGreatCircleBearing(previousFix, targetFix);
let force360 = getPreciseDistance(previousFix, targetFix) < 25;
// Check if there even is an arc
if (force360 || !lastCourse.equal(crsIntoEndpoint)) {
// Turn Dir
if (!leg.TurnDir || leg.TurnDir === 'E') {
let prov = lastCourse - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
leg.TurnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
while (!lastCourse.equal(crsIntoEndpoint)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (crsIntoEndpoint - lastCourse).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (lastCourse - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
lastCourse
);
crsIntoEndpoint = getGreatCircleBearing(arcFix, targetFix);
line.push([arcFix.longitude, arcFix.latitude]);
// made a loop
if (line.length >= 3600) {
if (!force360) {
line.splice(1);
}
force360 = false;
break;
}
}
// Second half
if (force360) {
const temp = crsIntoEndpoint;
crsIntoEndpoint = originalCrsFromOrigin;
lastCourse = temp;
while (!lastCourse.equal(crsIntoEndpoint)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (crsIntoEndpoint - lastCourse).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (lastCourse - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
lastCourse
);
crsIntoEndpoint = getGreatCircleBearing(arcFix, targetFix);
line.push([arcFix.longitude, arcFix.latitude]);
}
}
}
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/FA.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeSpeed } from '../utils/computeSpeed';
export const TerminatorsFA = (
leg: FATerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const refFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
};
const speed = computeSpeed(leg, previousFix);
const crsIntoEndpoint = leg.Course.toTrue(refFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsIntoEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute intercept of crs from arc end and expected altitude
const targetFix: NavFix = {
...computeDestinationPoint(
arcEnd,
(
((leg.Alt.parseAltitude() - (previousFix.altitude ?? 0)) / Parser.AC_VS) *
((previousFix.speed ? previousFix.speed : Parser.AC_SPEED) / 60)
).toMetre(),
crsIntoEndpoint
),
name: leg.Alt,
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/FC.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import Parser from '../parser';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
// NOTE: Distance not adjusted for altitude in this demo
export const TerminatorsFC = (
leg: FCTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const refFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
};
const speed = computeSpeed(leg, previousFix);
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const trackIntoEndpoint = leg.Course.toTrue(refFix);
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
if (previousFix.isFlyOver) {
const crsIntoEndpoint = trackIntoEndpoint;
// Check if there even is an arc
if (!crsIntoEndpoint.equal(lastCourse)) {
// Turn Dir
if (!leg.TurnDir || leg.TurnDir === 'E') {
let prov = lastCourse - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
leg.TurnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
let condition = false;
do {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (crsIntoEndpoint - lastCourse).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (lastCourse - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed * time) / 3600).toMetre(),
lastCourse
);
line.push([arcFix.longitude, arcFix.latitude]);
if (leg.TurnDir === 'R') {
condition = lastCourse > trackIntoEndpoint;
} else {
condition = lastCourse < trackIntoEndpoint;
}
} while (condition);
}
}
const arcEnd = { latitude: line.at(-1)![1], longitude: line.at(-1)![0] };
if (line.length > 1) {
lastCourse = getGreatCircleBearing(
{
latitude: line.at(-2)![1],
longitude: line.at(-2)![0],
},
arcEnd
);
}
const targetFix: NavFix = {
...computeDestinationPoint(arcEnd, leg.Distance.toMetre(), leg.Course.toTrue(refFix)),
name: leg.Distance.toString(),
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/FD.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: Distance not adjusted for altitude in this demo
export const TerminatorsFD = (
leg: FDTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const refFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
};
const navaid = {
latitude: leg.NavLat,
longitude: leg.NavLon,
};
const crsIntoEndpoint = leg.Course.toTrue(refFix);
const speed = computeSpeed(leg, previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsIntoEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute distance to fly from arc end
const crsToNavaid = getGreatCircleBearing(arcEnd, navaid);
const distToNavaid = getPreciseDistance(arcEnd, navaid);
let remainingDistance = leg.Distance.toMetre();
// Navaid behind us
if (Math.abs(crsToNavaid - lastCourse) > 90) {
remainingDistance -= distToNavaid;
}
// Navaid in front of us
else {
// Navaid will not be passed before distance is hit
if (distToNavaid > remainingDistance) remainingDistance = distToNavaid - remainingDistance;
}
// Compute intercept of crs from arc end and distance
const targetFix: NavFix = {
...computeDestinationPoint(arcEnd, remainingDistance, crsIntoEndpoint),
name: leg.Distance.toString(),
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/FM.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import { handleTurnAtFix } from '../pathGenerators/handleTurnAtFix';
import { computeSpeed } from '../utils/computeSpeed';
export const TerminatorsFM = (
leg: FMTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const endpoint = computeDestinationPoint(previousFix, (10).toMetre(), leg.Course.toTrue(previousFix));
const line = handleTurnAtFix(
leg.Course.toTrue(previousFix),
leg.Course.toTrue(previousFix),
lastCourse,
previousFix,
endpoint,
speed,
leg.TurnDir
);
return [undefined, line];
};
md11-nav-data/src/parser/terminators/HA.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
// NOTE: Distance is interpreted as distance and not time
export const TerminatorsHA = (leg: HATerminalEntry, previousFix: NavFix): [NavFix?, LineSegment[]?] => {
const refFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
};
const speed = computeSpeed(leg, previousFix);
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const inboundCrs = leg.Course.toTrue(refFix);
const outboundCrs = inboundCrs.reciprocalCourse();
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
// Generate top arc
let currentCrs = inboundCrs;
while (!currentCrs.equal(outboundCrs)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (outboundCrs - currentCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (currentCrs - outboundCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
currentCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
const outboundStart = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
leg.Distance.toMetre(),
outboundCrs
);
line.push([outboundStart.longitude, outboundStart.latitude]);
// Generate bottom arc
currentCrs = outboundCrs;
while (!currentCrs.equal(inboundCrs)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (inboundCrs - currentCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (currentCrs - inboundCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
currentCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
line.push([refFix.longitude, refFix.latitude]);
return [refFix, line];
};
md11-nav-data/src/parser/terminators/HF.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
// NOTE: Distance is interpreted as distance and not time
export const TerminatorsHF = (leg: HFTerminalEntry, previousFix: NavFix): [NavFix?, LineSegment[]?] => {
const refFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
};
const speed = computeSpeed(leg, previousFix);
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const inboundCrs = leg.Course.toTrue(refFix);
const outboundCrs = inboundCrs.reciprocalCourse();
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
// Generate top arc
let currentCrs = inboundCrs;
while (!currentCrs.equal(outboundCrs)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (outboundCrs - currentCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (currentCrs - outboundCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
currentCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
const outboundStart = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
leg.Distance.toMetre(),
outboundCrs
);
line.push([outboundStart.longitude, outboundStart.latitude]);
// Generate bottom arc
currentCrs = outboundCrs;
while (!currentCrs.equal(inboundCrs)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (inboundCrs - currentCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (currentCrs - inboundCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
currentCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
line.push([refFix.longitude, refFix.latitude]);
return [refFix, line];
};
md11-nav-data/src/parser/terminators/HM.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
// NOTE: Distance is interpreted as distance and not time
export const TerminatorsHM = (leg: HMTerminalEntry, previousFix: NavFix): [NavFix?, LineSegment[]?] => {
const refFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
};
const speed = computeSpeed(leg, previousFix);
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const inboundCrs = leg.Course.toTrue(refFix);
const outboundCrs = inboundCrs.reciprocalCourse();
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
// Generate top arc
let currentCrs = inboundCrs;
while (!currentCrs.equal(outboundCrs)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (outboundCrs - currentCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (currentCrs - outboundCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
currentCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
const outboundStart = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
leg.Distance.toMetre(),
outboundCrs
);
line.push([outboundStart.longitude, outboundStart.latitude]);
// Generate bottom arc
currentCrs = outboundCrs;
while (!currentCrs.equal(inboundCrs)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (inboundCrs - currentCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (currentCrs - inboundCrs).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
currentCrs = (currentCrs - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
currentCrs
);
line.push([arcFix.longitude, arcFix.latitude]);
}
line.push([refFix.longitude, refFix.latitude]);
return [refFix, line];
};
md11-nav-data/src/parser/terminators/IF.ts
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import Parser from '../parser';
export const TerminatorsIF = (leg: IFTerminalEntry, waypoint?: Waypoint): NavFix => {
const targetFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoint?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : 0,
speed: leg.SpeedLimit ? leg.SpeedLimit : Parser.AC_SPEED,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
isInitial: true,
};
return targetFix;
};
md11-nav-data/src/parser/terminators/PI.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import { generatePerformanceArc } from '../pathGenerators/generatePerformanceArc';
import { computeIntersection } from '../utils/computeIntersection';
import { computeSpeed } from '../utils/computeSpeed';
export const TerminatorsPI = (
leg: PITerminalEntry,
nextLeg: CFTerminalEntry, // As per NG docs in the TrmLegTypes.json
previousFix: NavFix,
waypoints: [Waypoint?, Waypoint?]
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const originFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoints[0]?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
const endFix: NavFix = {
latitude: nextLeg.WptLat,
longitude: nextLeg.WptLon,
name: waypoints[1]?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
const outboundCrs = leg.Course.toTrue(endFix);
const interceptCrs = nextLeg.Course.toTrue(endFix);
const line: LineSegment[] = [
[originFix.longitude, originFix.latitude],
[endFix.longitude, endFix.latitude],
];
// Outbound end
const outEnd = computeDestinationPoint(
endFix,
((speed / 3600) * 60).toMetre(), // 1min leg
outboundCrs
);
line.push([outEnd.longitude, outEnd.latitude]);
// Arc
line.push(...generatePerformanceArc(outboundCrs.reciprocalCourse(), outboundCrs, outEnd, speed, leg.TurnDir));
// Intercept
const interceptFix = computeIntersection(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
outboundCrs.reciprocalCourse(),
endFix,
interceptCrs.reciprocalCourse()
);
line.push([interceptFix!.longitude, interceptFix!.latitude]);
line.push([endFix!.longitude, endFix!.latitude]);
return [undefined, line];
};
md11-nav-data/src/parser/terminators/RF.ts
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import { generateRFArc } from '../pathGenerators/generateRFArc';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: Direct entry into an RF does not calculate a usable line, given inbound course is unknown.
export const TerminatorsRF = (
leg: RFTerminalEntry,
previousFix: NavFix,
lastCourse: number,
waypoint?: Waypoint
): [NavFix?, LineSegment[]?] => {
const targetFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoint?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: computeSpeed(leg, previousFix),
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
const line = generateRFArc(
leg.Course.toTrue(targetFix),
lastCourse,
previousFix,
{ latitude: leg.CenterLat, longitude: leg.CenterLon },
targetFix,
leg.TurnDir
);
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/TF.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import Parser from '../parser';
import { generateTangentArc } from '../pathGenerators/generateTangentArc';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
export const TerminatorsTF = (
leg: TFTerminalEntry,
previousFix: NavFix,
lastCourse: number,
waypoint?: Waypoint
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const line: LineSegment[] = [];
const targetFix: NavFix = {
latitude: leg.WptLat,
longitude: leg.WptLon,
name: waypoint?.Ident ?? undefined,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
const crsIntoEndpoint = getGreatCircleBearing(previousFix, targetFix);
// Compute overfly arc
let arc1: LineSegment[] | null = null;
let arc2: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
if (previousFix.isFlyOver && !lastCourse.equal(crsIntoEndpoint, 0.5)) {
arc1 = generateTangentArc(crsIntoEndpoint, lastCourse, previousFix, targetFix, leg.TurnDir);
} else {
arc1 = [[previousFix.longitude, previousFix.latitude]];
}
let arc;
if (arc1 && arc1.length > 1) {
const endCrs = getGreatCircleBearing(
{
latitude: arc1.at(-1)![1],
longitude: arc1.at(-1)![0],
},
targetFix
);
const endDist = getPreciseDistance(
{
latitude: arc1.at(-1)![1],
longitude: arc1.at(-1)![0],
},
targetFix
);
if (endDist <= 25 || (endCrs <= crsIntoEndpoint + 1 && endCrs >= crsIntoEndpoint - 1)) arc = arc1;
}
if (!arc && previousFix.isFlyOver && (!lastCourse.equal(crsIntoEndpoint) || !lastCourse.equal(crsIntoEndpoint))) {
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
let updatedCrsToIntercept = getGreatCircleBearing(previousFix, targetFix);
// Turn Dir
if (!leg.TurnDir || leg.TurnDir === 'E') {
let prov = lastCourse - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
leg.TurnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
let lastDistance = getPreciseDistance(previousFix, targetFix);
while (!updatedCrsToIntercept.equal(crsIntoEndpoint)) {
let interceptAngle = 0;
if (leg.TurnDir === 'R') interceptAngle = Math.abs(lastCourse - crsIntoEndpoint);
else interceptAngle = Math.abs(crsIntoEndpoint - lastCourse);
let time = 0;
const increment = 0.1;
if (interceptAngle < 44.9 || interceptAngle >= 45.1) {
if (leg.TurnDir === 'R') {
lastCourse =
updatedCrsToIntercept >= crsIntoEndpoint ? (lastCourse + increment).normaliseDegrees() : lastCourse;
time = increment / turnRate;
} else {
lastCourse =
updatedCrsToIntercept >= crsIntoEndpoint ? (lastCourse - increment).normaliseDegrees() : lastCourse;
time = increment / turnRate;
}
} else time = increment / turnRate;
const arcFix = computeDestinationPoint(
{
latitude: arc2.at(-1)![1],
longitude: arc2.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
lastCourse
);
arc2.push([arcFix.longitude, arcFix.latitude]);
// Update previousFix
previousFix.latitude = arcFix.latitude;
previousFix.longitude = arcFix.longitude;
updatedCrsToIntercept = getGreatCircleBearing(previousFix, targetFix);
const newDistance = getPreciseDistance(previousFix, targetFix);
if (lastDistance <= newDistance && lastDistance < 25) break;
lastDistance = newDistance;
}
}
if (!arc) arc = arc2;
line.push(...arc);
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/VA.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import Parser from '../parser';
import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: No wind adjustments to be made, no clue how *that* would draw
export const TerminatorsVA = (
leg: VATerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsIntoEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute intercept of crs from arc end and expected altitude
const targetFix: NavFix = {
...computeDestinationPoint(
arcEnd,
(
((leg.Alt.parseAltitude() - (previousFix.altitude ?? 0)) / Parser.AC_VS) *
((previousFix.speed ? previousFix.speed : Parser.AC_SPEED) / 60)
).toMetre(),
crsIntoEndpoint
),
name: leg.Alt,
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/VD.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import getPreciseDistance from 'geolib/es/getPreciseDistance';
import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: No wind adjustments to be made, no clue how *that* would draw
// NOTE: Distance not adjusted for altitude in this demo
export const TerminatorsVD = (
leg: VDTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const navaid = {
latitude: leg.NavLat,
longitude: leg.NavLon,
};
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
const speed = computeSpeed(leg, previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsIntoEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute distance to fly from arc end
const crsToNavaid = getGreatCircleBearing(arcEnd, navaid);
const distToNavaid = getPreciseDistance(arcEnd, navaid);
let remainingDistance = leg.Distance.toMetre();
// Navaid behind us
if (Math.abs(crsToNavaid - lastCourse) > 90) {
remainingDistance -= distToNavaid;
}
// Navaid in front of us
else {
// Navaid will not be passed before distance is hit
if (distToNavaid > remainingDistance) remainingDistance = distToNavaid - remainingDistance;
}
// Compute intercept of crs from arc end and distance
const targetFix: NavFix = {
...computeDestinationPoint(arcEnd, remainingDistance, lastCourse),
name: leg.Distance.toString(),
isFlyOver: true,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([targetFix.longitude, targetFix.latitude]);
return [targetFix, line];
};
md11-nav-data/src/parser/terminators/VI.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
import Parser from '../parser';
import { computeIntersection } from '../utils/computeIntersection';
import { computeSpeed } from '../utils/computeSpeed';
import { computeTurnRate } from '../utils/computeTurnRate';
import { getCourseAndFixForIntercepts } from '../utils/getCourseAndFixForIntercepts';
// NOTE: No wind adjustments to be made, no clue how *that* would draw
export const TerminatorsVI = (
leg: VITerminalEntry,
nextLeg: TerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const crsIntoEndpoint = leg.Course.toTrue(previousFix);
const [crsToIntercept, nextFix] = getCourseAndFixForIntercepts(nextLeg, previousFix);
const line: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
// Compute overfly arc
if (previousFix.isFlyOver && !lastCourse.equal(crsIntoEndpoint)) {
const turnRate = computeTurnRate(speed, Parser.AC_BANK);
const updatedCrsToIntercept = getGreatCircleBearing(previousFix, nextFix);
// Turn Dir
if (!leg.TurnDir || leg.TurnDir === 'E') {
let prov = lastCourse - crsIntoEndpoint;
prov = prov > 180 ? prov - 360 : prov <= -180 ? prov + 360 : prov;
leg.TurnDir = prov > 0 ? 'L' : 'R';
}
// Generate arc
while (!lastCourse.equal(crsIntoEndpoint) && !updatedCrsToIntercept.equal(crsToIntercept)) {
let time = 0;
if (leg.TurnDir === 'R') {
const delta = (crsIntoEndpoint - lastCourse).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse + increment).normaliseDegrees();
time = increment / turnRate;
} else {
const delta = (lastCourse - crsIntoEndpoint).normaliseDegrees();
const increment = delta < 0.1 ? delta : 0.1;
lastCourse = (lastCourse - increment).normaliseDegrees();
time = increment / turnRate;
}
const arcFix = computeDestinationPoint(
{
latitude: line.at(-1)![1],
longitude: line.at(-1)![0],
},
((speed / 3600) * time).toMetre(),
lastCourse
);
line.push([arcFix.longitude, arcFix.latitude]);
// Update previousFix
previousFix.latitude = arcFix.latitude;
previousFix.longitude = arcFix.longitude;
}
}
const interceptFix: NavFix = {
...computeIntersection(previousFix, leg.Course.toTrue(nextFix), nextFix, crsToIntercept)!,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([interceptFix.longitude, interceptFix.latitude]);
return [interceptFix, line];
};
md11-nav-data/src/parser/terminators/VM.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import { handleTurnAtFix } from '../pathGenerators/handleTurnAtFix';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: No wind adjustments to be made, no clue how *that* would draw
export const TerminatorsVM = (
leg: VMTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const speed = computeSpeed(leg, previousFix);
const endpoint = computeDestinationPoint(previousFix, (10).toMetre(), leg.Course.toTrue(previousFix));
const line = handleTurnAtFix(
leg.Course.toTrue(previousFix),
leg.Course.toTrue(previousFix),
lastCourse,
previousFix,
endpoint,
speed,
leg.TurnDir
);
return [undefined, line];
};
md11-nav-data/src/parser/terminators/VR.ts
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import { generateOverflyArc } from '../pathGenerators/generateOverflyArc';
import { computeIntersection } from '../utils/computeIntersection';
import { computeSpeed } from '../utils/computeSpeed';
// NOTE: No wind adjustments to be made, no clue how *that* would draw
export const TerminatorsVR = (
leg: VRTerminalEntry,
previousFix: NavFix,
lastCourse: number
): [NavFix?, LineSegment[]?] => {
const navaid = {
latitude: leg.NavLat,
longitude: leg.NavLon,
};
const crsFromEndpoint = leg.Course.toTrue(previousFix);
const crsIntoEndpoint = leg.NavBear.toTrue(navaid);
const speed = computeSpeed(leg, previousFix);
// Compute overfly
const [line, arcEnd, _lastCourse] = generateOverflyArc(crsFromEndpoint, lastCourse, previousFix, speed, leg.TurnDir);
lastCourse = _lastCourse;
// Compute intercept of crs from arc end and radial
const interceptFix: NavFix = {
...computeIntersection(arcEnd, crsFromEndpoint, navaid, crsIntoEndpoint)!,
isFlyOver: leg.IsFlyOver,
altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
speed: speed,
speedConstraint: leg.SpeedLimit,
altitudeConstraint: leg.Alt,
IsFAF: leg.IsFAF,
IsMAP: leg.IsMAP,
};
line.push([interceptFix.longitude, interceptFix.latitude]);
return [interceptFix, line];
};
md11-nav-data/src/parser/utils/computeIntersection.ts
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/**
* @param p1 Point 1
* @param brng1 Bearing from Point 1
* @param p2 Point 2
* @param brng2 bearing from Point 2
* @returns Intersection point
*/
export const computeIntersection = (
p1: NavFix,
brng1: number,
p2: NavFix,
brng2: number
): NavFix | undefined | null => {
if (isNaN(brng1)) throw new TypeError(`invalid brng1 ${brng1}`);
if (isNaN(brng2)) throw new TypeError(`invalid brng2 ${brng2}`);
const π = Math.PI;
// see www.edwilliams.org/avform.htm#Intersection
const φ1 = p1.latitude.toRadians(),
λ1 = p1.longitude.toRadians();
const φ2 = p2.latitude.toRadians(),
λ2 = p2.longitude.toRadians();
const θ13 = Number(brng1).toRadians(),
θ23 = Number(brng2).toRadians();
const Δφ = φ2 - φ1,
Δλ = λ2 - λ1;
// angular distance p1-p2
const δ12 =
2 *
Math.asin(
Math.sqrt(Math.sin(Δφ / 2) * Math.sin(Δφ / 2) + Math.cos(φ1) * Math.cos(φ2) * Math.sin(Δλ / 2) * Math.sin(Δλ / 2))
);
if (Math.abs(δ12) < Number.EPSILON) return p1; // coincident points
// initial/final bearings between points
const cosθa = (Math.sin(φ2) - Math.sin(φ1) * Math.cos(δ12)) / (Math.sin(δ12) * Math.cos(φ1));
const cosθb = (Math.sin(φ1) - Math.sin(φ2) * Math.cos(δ12)) / (Math.sin(δ12) * Math.cos(φ2));
const θa = Math.acos(Math.min(Math.max(cosθa, -1), 1)); // protect against rounding errors
const θb = Math.acos(Math.min(Math.max(cosθb, -1), 1)); // protect against rounding errors
const θ12 = Math.sin(λ2 - λ1) > 0 ? θa : 2 * π - θa;
const θ21 = Math.sin(λ2 - λ1) > 0 ? 2 * π - θb : θb;
const α1 = θ13 - θ12; // angle 2-1-3
const α2 = θ21 - θ23; // angle 1-2-3
if (Math.sin(α1) == 0 && Math.sin(α2) == 0) return undefined; // infinite intersections
if (Math.sin(α1) * Math.sin(α2) < 0) return p2; // ambiguous intersection (antipodal/360°)
const cosα3 = -Math.cos(α1) * Math.cos(α2) + Math.sin(α1) * Math.sin(α2) * Math.cos(δ12);
const δ13 = Math.atan2(Math.sin(δ12) * Math.sin(α1) * Math.sin(α2), Math.cos(α2) + Math.cos(α1) * cosα3);
const φ3 = Math.asin(
Math.min(Math.max(Math.sin(φ1) * Math.cos(δ13) + Math.cos(φ1) * Math.sin(δ13) * Math.cos(θ13), -1), 1)
);
const Δλ13 = Math.atan2(Math.sin(θ13) * Math.sin(δ13) * Math.cos(φ1), Math.cos(δ13) - Math.sin(φ1) * Math.sin(φ3));
const λ3 = λ1 + Δλ13;
const lat = φ3.toDegrees();
const lon = λ3.toDegrees();
return {
...p1,
latitude: lat,
longitude: lon,
name: 'INTC',
isIntersection: true,
};
};
md11-nav-data/src/parser/utils/computeSpeed.ts
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import Parser from '../parser';
export const computeSpeed = (leg: TerminalEntry, previousFix: NavFix) => {
if (leg.SpeedLimit) return leg.SpeedLimit;
if (previousFix.speed) {
if (previousFix.speed < Parser.AC_SPEED) return Parser.AC_SPEED;
return previousFix.speed;
}
return Parser.AC_SPEED;
};
md11-nav-data/src/parser/utils/computeTurnRate.ts
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export const computeTurnRate = (speed: number, bank: number) => {
return (1091 * Math.tan(bank.toRadians())) / speed;
};
md11-nav-data/src/parser/utils/extensions.ts
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import Parser from '../parser';
Number.prototype.toRadians = function () {
return ((this as number) * Math.PI) / 180;
};
Number.prototype.toDegrees = function () {
return ((this as number) * 180) / Math.PI;
};
Number.prototype.reciprocalCourse = function () {
let inv = (this as number) + 180;
inv = inv >= 360 ? inv - 360 : inv;
return inv;
};
Number.prototype.normaliseDegrees = function () {
return (this as number) >= 360
? (this as number) - 360
: (this as number) < 0
? (this as number) + 360
: (this as number);
};
Number.prototype.toTrue = function (fix) {
const toOffset = (lat: number, lon: number) =>
lon >= 0 ? lon * 362 + lat * 2 + 316 : (lon + 360) * 362 + lat * 2 + 316;
const magVarTable = Parser.MAGVAR;
const lowerLat = Math.floor(fix.latitude);
const upperLat = Math.ceil(fix.latitude);
const ratioLat = fix.latitude - lowerLat;
const lowerLon = Math.floor(fix.longitude);
const upperLon = Math.ceil(fix.longitude);
const ratioLon = fix.longitude - lowerLon;
const lowerLatLowerLonOffset = toOffset(lowerLat, lowerLon);
const lowerLatUpperLonOffset = toOffset(lowerLat, upperLon);
const upperLatLowerLonOffset = toOffset(upperLat, lowerLon);
const upperLatUpperLonOffset = toOffset(upperLat, upperLon);
let lowerLatLowerLonMagVar = (magVarTable[lowerLatLowerLonOffset + 1] << 8) + magVarTable[lowerLatLowerLonOffset];
lowerLatLowerLonMagVar = (lowerLatLowerLonMagVar * 0x168) / 0x10000;
lowerLatLowerLonMagVar = lowerLatLowerLonMagVar > 180 ? lowerLatLowerLonMagVar - 360 : lowerLatLowerLonMagVar;
let lowerLatUpperLonMagVar = (magVarTable[lowerLatUpperLonOffset + 1] << 8) + magVarTable[lowerLatUpperLonOffset];
lowerLatUpperLonMagVar = (lowerLatUpperLonMagVar * 0x168) / 0x10000;
lowerLatUpperLonMagVar = lowerLatUpperLonMagVar > 180 ? lowerLatUpperLonMagVar - 360 : lowerLatUpperLonMagVar;
let upperLatLowerLonMagVar = (magVarTable[upperLatLowerLonOffset + 1] << 8) + magVarTable[upperLatLowerLonOffset];
upperLatLowerLonMagVar = (upperLatLowerLonMagVar * 0x168) / 0x10000;
upperLatLowerLonMagVar = upperLatLowerLonMagVar > 180 ? upperLatLowerLonMagVar - 360 : upperLatLowerLonMagVar;
let upperLatUpperLonMagVar = (magVarTable[upperLatUpperLonOffset + 1] << 8) + magVarTable[upperLatUpperLonOffset];
upperLatUpperLonMagVar = (upperLatUpperLonMagVar * 0x168) / 0x10000;
upperLatUpperLonMagVar = upperLatUpperLonMagVar > 180 ? upperLatUpperLonMagVar - 360 : upperLatUpperLonMagVar;
const lowerLatRatioLon = lowerLatLowerLonMagVar + ratioLon * (lowerLatUpperLonMagVar - lowerLatLowerLonMagVar);
const upperLatRatioLon = upperLatLowerLonMagVar + ratioLon * (upperLatUpperLonMagVar - upperLatLowerLonMagVar);
const magVar = lowerLatRatioLon + ratioLat + (upperLatRatioLon - lowerLatRatioLon);
return ((this as number) + magVar).normaliseDegrees();
};
Number.prototype.toMetre = function () {
return (this as number) * 1852.0;
};
Number.prototype.equal = function (other: number, accuracy = 0.1) {
return Math.abs((this as number) - other) <= accuracy;
};
String.prototype.parseAltitude = function () {
switch (this.length) {
case 5:
return Number.parseInt(this as string);
case 6:
return Number.parseInt(this.substring(0, 5));
case 12: {
const upper = Number.parseInt(this.substring(0, 5));
const lower = Number.parseInt(this.substring(6, 12));
return lower + (upper - lower) / 2;
}
default:
return -1;
}
};
md11-nav-data/src/parser/utils/getCourseAndFixForIntercepts.ts
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import computeDestinationPoint from 'geolib/es/computeDestinationPoint';
import getGreatCircleBearing from 'geolib/es/getGreatCircleBearing';
/**
* @param leg Leg to examine
* @param origin Origin of current leg
* @returns Adjusted course and fix
*/
export const getCourseAndFixForIntercepts = (leg: TerminalEntry, origin: NavFix): [number, NavFix] => {
switch (leg.TrackCode) {
case 'CF': {
const _leg = leg as CFTerminalEntry;
const fix = { latitude: _leg.WptLat, longitude: _leg.WptLon };
return [_leg.Course.reciprocalCourse().toTrue(fix), fix];
}
case 'FM': {
const _leg = leg as FMTerminalEntry;
const fix = { latitude: _leg.WptLat, longitude: _leg.WptLon };
return [_leg.Course.toTrue(fix), fix];
}
case 'TF': {
const _leg = leg as TFTerminalEntry;
return [
getGreatCircleBearing(origin, {
latitude: _leg.WptLat,
longitude: _leg.WptLon,
}),
{ latitude: _leg.WptLat, longitude: _leg.WptLon },
];
}
case 'AF': {
const _leg = leg as AFTerminalEntry;
const navAid = { latitude: _leg.NavLat, longitude: _leg.NavLon };
const fix = {
...computeDestinationPoint(navAid, _leg.NavDist.toMetre(), _leg.Course.toTrue(navAid)),
isIntersection: true,
};
return [_leg.Course.toTrue(fix), fix];
}
case 'DF': {
const _leg = leg as DFTerminalEntry;
const fix = { latitude: _leg.WptLat, longitude: _leg.WptLon };
return [-1, fix];
}
case 'RF': {
const _leg = leg as RFTerminalEntry;
const fix = { latitude: _leg.WptLat, longitude: _leg.WptLon };
return [_leg.Course.toTrue(fix), fix];
}
default: {
return [-1, origin];
}
}
};
md11-nav-data/src/style.css
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@import 'tailwindcss';
md11-nav-data/src/types/extensions.d.ts
Vendored
+40
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export declare global {
interface Number {
/**
* @returns Value converted from degrees to radians
*/
toRadians: () => number;
/**
* @returns Value converted from radians to degrees
*/
toDegrees: () => number;
/**
* @returns Reciprocal course of value
*/
reciprocalCourse: () => number;
/**
* @returns Normalises to [0,360)
*/
normaliseDegrees: () => number;
/**
* @param fix Fix for magnetic declination
* @returns Value referencing true north
*/
toTrue: (fix: { latitude: number; longitude: number }) => number;
/**
* @returns Value converted from nmi to metres
*/
toMetre: () => number;
/**
* @returns True if delta is less than accuracy (default 0.1)
*/
equal: (other: number, accuracy?: number) => boolean;
}
interface String {
/**
* @returns Value parsed from altitude constraint
*/
parseAltitude: () => number;
}
}
md11-nav-data/src/types/geojson.d.ts
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+3
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declare module 'geojson' {
export const parse: (data: object, format: object) => object;
}
md11-nav-data/src/types/index.d.ts
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+9
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export declare global {
type Chart = {
data: string;
index_number: string;
bounds: LatLngBoundsExpression;
};
type Procedure = { name: string; data: object };
}
md11-nav-data/src/types/leaflet.d.ts
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+23
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import 'leaflet';
declare module 'leaflet' {
export function shapeMarker(
latlng: LatLngExpression,
options?: PathOptions & {
shape?:
| 'diamond'
| 'square'
| 'triangle'
| 'triangle-up'
| 'triangle-down'
| 'arrowhead'
| 'arrowhead-up'
| 'arrowhead-down'
| 'circle'
| 'x'
| string;
radius?: number;
rotation?: number;
}
): Path;
}
md11-nav-data/src/types/magvar.d.ts
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+3
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declare module 'magvar' {
export const magvar: (latitude: number, longitude: number) => number;
}
md11-nav-data/src/types/navdata.d.ts
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export declare global {
type Waypoint = {
ID: number;
Ident: string;
};
type Runway = {
ID: number;
AirportID: number;
Latitude: number;
Longitude: number;
Elevation: number;
Ident: string;
TrueHeading: number;
};
type TrackCode =
| 'AF'
| 'CA'
| 'CD'
| 'CF'
| 'CI'
| 'CR'
| 'DF'
| 'FA'
| 'FC'
| 'FD'
| 'FM'
| 'HA'
| 'HF'
| 'HM'
| 'IF'
| 'PI'
| 'RF'
| 'TF'
| 'VA'
| 'VD'
| 'VI'
| 'VM'
| 'VR';
type TurnDirection = 'E' | 'L' | 'R';
type TerminalEntry = {
ID: number;
TerminalID: number;
Type: string;
Transition: string;
TrackCode: TrackCode;
WptID?: number;
WptLat?: number;
WptLon?: number;
TurnDir?: TurnDirection;
NavID?: number;
NavLat?: number;
NavLon?: number;
NavBear?: number;
NavDist?: number;
Course?: number;
Distance?: number;
Alt?: string;
Vnav: unknown;
CenterID?: number;
CenterLat?: number;
CenterLon?: number;
IsFlyOver: boolean;
SpeedLimit?: number;
IsFAF: boolean;
IsMAP: boolean;
};
type Terminal = {
ID: number;
AirportID: number;
ICAO: string;
FullName: string;
RwyID?: number;
Proc: 1 | 2 | 3;
};
type NavFix = {
latitude: number;
longitude: number;
altitude?: number;
speed?: number;
name?: string;
isFlyOver?: boolean;
altitudeConstraint?: string;
speedConstraint?: number;
IsFAF?: boolean;
IsMAP?: boolean;
// For map
isIntersection?: boolean;
isInitial?: boolean;
};
type LineSegment = [number, number];
type Airport = {
ID: number;
ICAO: string;
Latitude: number;
Longitude: number;
};
}
md11-nav-data/src/types/terminators/AF.d.ts
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export declare global {
type AFTerminalEntry = Required<
Pick<
TerminalEntry,
'WptID' | 'WptLat' | 'WptLon' | 'TurnDir' | 'NavID' | 'NavLat' | 'NavLon' | 'NavBear' | 'NavDist' | 'Course'
>
> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/CA.d.ts
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+3
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export declare global {
type CATerminalEntry = Required<Pick<TerminalEntry, 'Course' | 'Alt'>> & TerminalEntry;
}
md11-nav-data/src/types/terminators/CD.d.ts
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+4
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export declare global {
type CDTerminalEntry = Required<Pick<TerminalEntry, 'NavID' | 'NavLat' | 'NavLon' | 'Course' | 'Distance'>> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/CF.d.ts
Vendored
+9
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export declare global {
type CFTerminalEntry = Required<
Pick<
TerminalEntry,
'WptID' | 'WptLat' | 'WptLon' | 'NavID' | 'NavLat' | 'NavLon' | 'NavBear' | 'NavDist' | 'Course' | 'Distance'
>
> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/CI.d.ts
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+3
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export declare global {
type CITerminalEntry = Required<Pick<TerminalEntry, 'Course'>> & TerminalEntry;
}
md11-nav-data/src/types/terminators/CR.d.ts
Vendored
+4
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export declare global {
type CRTerminalEntry = Required<Pick<TerminalEntry, 'NavID' | 'NavLat' | 'NavLon' | 'NavBear' | 'Course'>> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/DF.d.ts
Vendored
+3
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export declare global {
type DFTerminalEntry = Required<Pick<TerminalEntry, 'WptID' | 'WptLat' | 'WptLon' | 'IsFlyOver'>> & TerminalEntry;
}
md11-nav-data/src/types/terminators/FA.d.ts
Vendored
+9
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export declare global {
type FATerminalEntry = Required<
Pick<
TerminalEntry,
'WptID' | 'WptLat' | 'WptLon' | 'NavID' | 'NavLat' | 'NavLon' | 'NavBear' | 'NavDist' | 'Course' | 'Alt'
>
> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/FC.d.ts
Vendored
+19
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export declare global {
type FCTerminalEntry = Required<
Pick<
TerminalEntry,
| 'WptID'
| 'WptLat'
| 'WptLon'
| 'IsFlyOver'
| 'NavID'
| 'NavLat'
| 'NavLon'
| 'NavBear'
| 'NavDist'
| 'Course'
| 'Distance'
>
> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/FD.d.ts
Vendored
+9
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export declare global {
type FDTerminalEntry = Required<
Pick<
TerminalEntry,
'WptID' | 'WptLat' | 'WptLon' | 'NavID' | 'NavLat' | 'NavLon' | 'NavBear' | 'NavDist' | 'Course' | 'Distance'
>
> &
TerminalEntry;
}
md11-nav-data/src/types/terminators/FM.d.ts
Vendored
+9
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export declare global {
type FMTerminalEntry = Required<
Pick<
TerminalEntry,
'WptID' | 'WptLat' | 'WptLon' | 'NavID' | 'NavLat' | 'NavLon' | 'NavBear' | 'NavDist' | 'Course'
>
> &
TerminalEntry;
}

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