Refactor complete

.vscode/settings.json

@@ -1,3 +0,0 @@
-{
-  "cSpell.words": ["intc"]
-}

README.md

@@ -176,7 +176,7 @@ 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
 
@@ -307,7 +307,7 @@ 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
 
@@ -545,7 +545,7 @@ 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
 
@@ -595,7 +595,7 @@ 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

browser/pnpm-lock.yaml

@@ -20,9 +20,6 @@ importers:
       magvar:
         specifier: ^2.0.0
         version: 2.0.0
-      object-hash:
-        specifier: ^3.0.0
-        version: 3.0.0
       react:
         specifier: 19.0.0-rc.1
         version: 19.0.0-rc.1
@@ -63,6 +60,9 @@ importers:
       globals:
         specifier: ^16.3.0
         version: 16.3.0
+      object-hash:
+        specifier: ^3.0.0
+        version: 3.0.0
       typescript:
         specifier: ~5.8.3
         version: 5.8.3

browser/src/App.tsx

@@ -1,43 +1,114 @@
 import { MapContainer, GeoJSON, TileLayer } from "react-leaflet";
 import Parser from "./parser/parser";
-import { useEffect, useState } from "react";
+import { createRef, useEffect, useState } from "react";
 import hash from "object-hash";
+import Leaflet from "leaflet";
+import L from "leaflet";
 
 const parser = await Parser.instance();
 
+const terminals = [10394, 10395, 10475, 10480, 10482, 10485, 10653];
+
 function App() {
+  const [selectedTerminal, setSelectedTerminal] = useState(terminals[0]);
   const [procedure, setProcedure] = useState<string>();
-  console.log(procedure);
+
+  const mapRef = createRef<Leaflet.Map>();
+  const layerRef = createRef<Leaflet.GeoJSON>();
 
   useEffect(() => {
     (async () => {
-      setProcedure(await parser.parse(10394));
+      setProcedure(await parser.parse(selectedTerminal));
     })();
-  }, []);
+  }, [selectedTerminal]);
+
+  useEffect(() => {
+    if (layerRef.current && mapRef.current) {
+      mapRef.current.flyToBounds(layerRef.current.getBounds(), {
+        animate: false,
+        padding: [50, 50],
+      });
+    }
+  });
 
   return (
     <div style={{ display: "flex", height: "100vh", width: "100vw" }}>
       <MapContainer
         center={[51.505, -0.09]}
         zoom={13}
+        zoomSnap={0}
+        zoomDelta={0.1}
+        wheelPxPerZoomLevel={1000}
         style={{ height: "100%", width: "100%" }}
+        ref={mapRef}
       >
         <TileLayer
           attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
           url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
         />
         <GeoJSON
-          key={hash(procedure ?? "")}
+          key={hash(procedure ?? "") + "lines"}
           data={procedure}
           style={{
             color: "#00ffff",
             stroke: true,
-            weight: 2,
+            weight: 5,
             opacity: 1,
           }}
+          filter={(feature) => feature.geometry.type !== "Point"}
+          ref={layerRef}
+        />
+        <GeoJSON
+          key={hash(procedure ?? "") + "points"}
+          data={procedure}
+          style={(feature) => ({
+            color: feature.properties["marker-color"],
+            stroke: false,
+            fill: true,
+            fillOpacity: 1,
+          })}
+          pointToLayer={(_, latlng) => {
+            return L.circleMarker(latlng, { radius: 5 });
+          }}
+          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"}
         />
       </MapContainer>
-      <div></div>
+      <div
+        style={{
+          padding: "5px",
+          display: "flex",
+          flexDirection: "column",
+          gap: "10px",
+        }}
+      >
+        {terminals.map((terminal) => (
+          <div
+            key={terminal}
+            style={{
+              display: "flex",
+              gap: "10px",
+              background: selectedTerminal === terminal ? "#eeeeee" : undefined,
+            }}
+          >
+            <pre>ID {terminal}</pre>
+            <button onClick={() => setSelectedTerminal(terminal)}>
+              Select
+            </button>
+          </div>
+        ))}
+      </div>
     </div>
   );
 }

browser/src/parser/node.ts

@@ -13,4 +13,4 @@ fetch = async (path: string) => {
 
 const parser = await Parser.instance();
 
-console.log(JSON.stringify(await parser.parse(10394)));
+console.log(JSON.stringify(await parser.parse(10480)));

browser/src/parser/parser.ts

@@ -1,7 +1,17 @@
 import "./utils/extensions.ts";
-import { handleTurnAtFix } from "./utils/handleTurnAtFix.ts";
 import * as geolib from "geolib";
 import geojson from "geojson";
+import { TerminatorsCF } from "./terminators/CF.ts";
+import { TerminatorsAF } from "./terminators/AF.ts";
+import { TerminatorsCR } from "./terminators/CR.ts";
+import { TerminatorsVM } from "./terminators/VM.ts";
+import { TerminatorsFM } from "./terminators/FM.ts";
+import { TerminatorsCI } from "./terminators/CI.ts";
+import { TerminatorsVA } from "./terminators/VA.ts";
+import { TerminatorsTF } from "./terminators/TF.ts";
+import { TerminatorsVI } from "./terminators/VI.ts";
+import { TerminatorsVD } from "./terminators/VD.ts";
+import { TerminatorsRF } from "./terminators/RF.ts";
 
 class Parser {
   private static _instance: Parser;
@@ -11,6 +21,7 @@ class Parser {
   private terminals: Terminal[];
 
   public static AC_SPEED = 250;
+  public static AC_VS = 1500;
 
   private constructor(
     waypoints: Waypoint[],
@@ -84,53 +95,172 @@ class Parser {
       const waypoint = this.waypoints.filter(({ ID }) => ID === leg.WptID)[0];
 
       switch (leg.TrackCode) {
-        case "AF":
+        case "AF": {
-        case "CA":
+          const [fixToAdd, lineToAdd] = TerminatorsAF(
-        case "CD":
+            leg as AFTerminalEntry,
-          break;
-        case "CF": {
-          const _leg = leg as CFTerminalEntry;
-          const targetFix: NavFix = {
-            latitude: _leg.WptLat,
-            longitude: _leg.WptLon,
-            name: waypoint?.Ident ?? undefined,
-            "marker-color": _leg.IsFlyOver ? "#ff0000" : undefined,
-            isFlyOver: _leg.IsFlyOver,
-            altitude: previousFix.altitude,
-          };
-          navFixes.push(targetFix);
-
-          const line = handleTurnAtFix(
-            _leg.Course.toTrue(previousFix),
-            _leg.Course.toTrue(previousFix),
-            lastCourse,
             previousFix,
-            targetFix,
+            waypoint
-            _leg.TurnDir
           );
-
+          if (fixToAdd) navFixes.push(fixToAdd);
-          lineSegments.push({ line });
+          if (lineToAdd) {
-          updateLastCourse(lineSegments.at(-1)!.line);
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "CA":
+        case "CD":
+          console.error("Unknown TrackCode", leg.TrackCode);
+          break;
+        case "CF": {
+          const [fixToAdd, lineToAdd] = TerminatorsCF(
+            leg as CFTerminalEntry,
+            previousFix,
+            lastCourse,
+            waypoint
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "CI": {
+          const [fixToAdd, lineToAdd] = TerminatorsCI(
+            leg as CITerminalEntry,
+            procedure[index + 1],
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "CR": {
+          const [fixToAdd, lineToAdd] = TerminatorsCR(
+            leg as CRTerminalEntry,
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
           break;
         }
-        case "CI":
-        case "CR":
         case "DF":
         case "FA":
         case "FC":
         case "FD":
-        case "FM":
+          console.error("Unknown TrackCode", leg.TrackCode);
+          break;
+        case "FM": {
+          const [fixToAdd, lineToAdd] = TerminatorsFM(
+            leg as FMTerminalEntry,
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
         case "HA":
         case "HF":
         case "HM":
         case "IF":
         case "PI":
-        case "RF":
+          console.error("Unknown TrackCode", leg.TrackCode);
-        case "TF":
+          break;
-        case "VA":
+        case "RF": {
-        case "VD":
+          const [fixToAdd, lineToAdd] = TerminatorsRF(
-        case "VI":
+            leg as RFTerminalEntry,
-        case "VM":
+            procedure[index + 1],
+            previousFix,
+            lastCourse,
+            waypoint
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "TF": {
+          const [fixToAdd, lineToAdd] = TerminatorsTF(
+            leg as TFTerminalEntry,
+            previousFix,
+            lastCourse,
+            waypoint
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "VA": {
+          const [fixToAdd, lineToAdd] = TerminatorsVA(
+            leg as VATerminalEntry,
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "VD": {
+          const [fixToAdd, lineToAdd] = TerminatorsVD(
+            leg as VDTerminalEntry,
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "VI": {
+          const [fixToAdd, lineToAdd] = TerminatorsVI(
+            leg as VITerminalEntry,
+            procedure[index + 1],
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
+        case "VM": {
+          const [fixToAdd, lineToAdd] = TerminatorsVM(
+            leg as VMTerminalEntry,
+            previousFix,
+            lastCourse
+          );
+          if (fixToAdd) navFixes.push(fixToAdd);
+          if (lineToAdd) {
+            lineSegments.push({ line: lineToAdd });
+            updateLastCourse(lineToAdd);
+          }
+          break;
+        }
         case "VR":
         default:
           console.error("Unknown TrackCode", leg.TrackCode);
@@ -139,8 +269,8 @@ class Parser {
     }
 
     return geojson.parse([...navFixes, ...lineSegments], {
-      Point: ["latitude", "longitude"],
       LineString: "line",
+      Point: ["latitude", "longitude"],
     });
   };
 }

browser/src/parser/pathGenerators/generateAFArc.ts

@@ -0,0 +1,53 @@
+import * as geolib from "geolib";
+
+/**
+ * @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
+ * @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 < 1 ? delta : 1;
+        crsFromOrigin = crsFromOrigin.normaliseDegrees();
+      } else {
+        const delta = (crsFromOrigin - crsIntoEndpoint).normaliseDegrees();
+        crsFromOrigin -= delta < 1 ? delta : 1;
+        crsFromOrigin = crsFromOrigin.normaliseDegrees();
+      }
+      if (crsFromOrigin === crsIntoEndpoint) break;
+
+      const arcFix = geolib.computeDestinationPoint(
+        center,
+        radius.toMetre(),
+        crsFromOrigin
+      );
+
+      line.push([arcFix.longitude, arcFix.latitude]);
+    }
+  }
+
+  return line;
+};

browser/src/parser/pathGenerators/generateRFArc.ts

@@ -0,0 +1,77 @@
+import * as geolib from "geolib";
+
+/**
+ * @param crsIntoEndpoint Course into arc endpoint
+ * @param crsIntoOrigin Course into arc origin point
+ * @param start Arc origin point
+ * @param center Arc center point
+ * @param turnDir
+ * @returns Line segments
+ */
+export const generateRFArc = (
+  crsIntoEndpoint: number,
+  crsIntoOrigin: number,
+  start: NavFix,
+  center: NavFix,
+  turnDir: TurnDirection
+) => {
+  const line: LineSegment[] = [[start.longitude, start.latitude]];
+
+  if (crsIntoEndpoint !== 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;
+    let crsOrthogonalOnEndpoint;
+    if (turnDir === "R") {
+      crsOrthogonalOnOrigin = (crsIntoOrigin + 90).normaliseDegrees();
+      crsOrthogonalOnEndpoint = (crsIntoEndpoint + 90).normaliseDegrees();
+    } else {
+      crsOrthogonalOnOrigin = (crsIntoOrigin - 90).normaliseDegrees();
+      crsOrthogonalOnEndpoint = (crsIntoEndpoint - 90).normaliseDegrees();
+    }
+
+    const arcRad = geolib.getDistance(center, start);
+
+    crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.reciprocalCourse();
+    crsOrthogonalOnEndpoint = crsOrthogonalOnEndpoint.reciprocalCourse();
+    // Start turn immediately
+    if (turnDir === "R") {
+      crsOrthogonalOnOrigin +=
+        crsOrthogonalOnOrigin < 1 ? crsOrthogonalOnOrigin : 1;
+    } else {
+      crsOrthogonalOnOrigin -=
+        crsOrthogonalOnOrigin < 1 ? crsOrthogonalOnOrigin : 1;
+    }
+
+    while (crsOrthogonalOnOrigin !== crsOrthogonalOnEndpoint) {
+      if (turnDir === "R") {
+        const delta = (
+          crsOrthogonalOnEndpoint - crsOrthogonalOnOrigin
+        ).normaliseDegrees();
+        crsOrthogonalOnOrigin += delta < 1 ? delta : 1;
+        crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.normaliseDegrees();
+      } else {
+        const delta = (
+          crsOrthogonalOnOrigin - crsOrthogonalOnEndpoint
+        ).normaliseDegrees();
+        crsOrthogonalOnOrigin -= delta < 1 ? delta : 1;
+        crsOrthogonalOnOrigin = crsOrthogonalOnOrigin.normaliseDegrees();
+      }
+
+      const arcFix = geolib.computeDestinationPoint(
+        center,
+        arcRad,
+        crsOrthogonalOnOrigin
+      );
+
+      line.push([arcFix.longitude, arcFix.latitude]);
+    }
+  }
+
+  return line;
+};

browser/src/parser/pathGenerators/generateTangentArc.ts

@@ -1,5 +1,5 @@
 import * as geolib from "geolib";
-import { computeIntersection } from "./computeIntersection.ts";
+import { computeIntersection } from "../utils/computeIntersection.ts";
 
 /**
  * @param crsIntoEndpoint Course into arc endpoint

browser/src/parser/terminators/AF.ts

@@ -1 +1,48 @@
-export const TerminatorsAF = () => {};
+import * as geolib from "geolib";
+import { generateAFArc } from "../pathGenerators/generateAFArc.ts";
+import Parser from "../parser.ts";
+
+export const TerminatorsAF = (
+  leg: AFTerminalEntry,
+  previousFix: NavFix,
+  waypoint?: Waypoint
+): [NavFix?, LineSegment[]?] => {
+  const targetFix: NavFix = {
+    latitude: leg.WptLat,
+    longitude: leg.WptLon,
+    name: waypoint?.Ident ?? undefined,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const arcEndCrs = geolib.getGreatCircleBearing(
+    {
+      latitude: leg.NavLat,
+      longitude: leg.NavLon,
+    },
+    {
+      latitude: leg.WptLat,
+      longitude: leg.WptLon,
+    }
+  );
+  const line = generateAFArc(
+    arcEndCrs,
+    leg.Course.toTrue({ latitude: leg.NavLat, longitude: leg.NavLon }),
+    previousFix,
+    { latitude: leg.NavLat, longitude: leg.NavLon },
+    leg.NavDist,
+    leg.TurnDir
+  );
+
+  return [targetFix, line];
+};

browser/src/parser/terminators/CF.ts

@@ -0,0 +1,38 @@
+import Parser from "../parser.ts";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+
+export const TerminatorsCF = (
+  leg: CFTerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number,
+  waypoint?: Waypoint
+): [NavFix?, LineSegment[]?] => {
+  const targetFix: NavFix = {
+    latitude: leg.WptLat,
+    longitude: leg.WptLon,
+    name: waypoint?.Ident ?? undefined,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const line = handleTurnAtFix(
+    leg.Course.toTrue(previousFix),
+    leg.Course.toTrue(previousFix),
+    lastCourse,
+    previousFix,
+    targetFix,
+    leg.TurnDir
+  );
+
+  return [targetFix, line];
+};

browser/src/parser/terminators/CI.ts

@@ -0,0 +1,62 @@
+import Parser from "../parser.ts";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+import { computeIntersection } from "../utils/computeIntersection.ts";
+import { getCourseAndFixForIntercepts } from "../utils/getCourseAndFixForIntercepts.ts";
+
+export const TerminatorsCI = (
+  leg: CITerminalEntry,
+  nextLeg: TerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number
+): [NavFix?, LineSegment[]?] => {
+  const [crs, nextFix] = getCourseAndFixForIntercepts(nextLeg, previousFix);
+
+  // Compute INTC
+  const interceptFix: NavFix = {
+    ...computeIntersection(
+      previousFix,
+      leg.Course.toTrue(nextFix),
+      nextFix,
+      crs
+    )!,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const line = handleTurnAtFix(
+    crs,
+    leg.Course.toTrue(nextFix),
+    lastCourse,
+    previousFix,
+    interceptFix,
+    leg.TurnDir
+  );
+
+  // Intercept based on previous intercept
+  const interceptPoint2 = computeIntersection(
+    { latitude: line.at(-2)![1], longitude: line.at(-2)![0] },
+    leg.Course.toTrue(nextFix),
+    nextFix,
+    crs
+  );
+  if (interceptPoint2)
+    return [
+      { ...interceptFix, ...interceptPoint2 },
+      [
+        ...line.slice(0, -1),
+        [interceptPoint2.longitude, interceptPoint2.latitude],
+      ],
+    ];
+
+  return [interceptFix, line];
+};

browser/src/parser/terminators/CR.ts

@@ -0,0 +1,43 @@
+import { computeIntersection } from "../utils/computeIntersection.ts";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+import Parser from "../parser.ts";
+
+export const TerminatorsCR = (
+  leg: CRTerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number
+): [NavFix?, LineSegment[]?] => {
+  const crsIntoEndpoint = leg.Course.toTrue(previousFix);
+
+  const interceptFix: NavFix = {
+    ...computeIntersection(
+      previousFix,
+      crsIntoEndpoint,
+      { latitude: leg.NavLat, longitude: leg.NavLon },
+      leg.NavBear.toTrue({ latitude: leg.NavLat, longitude: leg.NavLon })
+    )!,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const line = handleTurnAtFix(
+    crsIntoEndpoint,
+    leg.Course.toTrue(previousFix),
+    lastCourse,
+    previousFix,
+    interceptFix,
+    leg.TurnDir
+  );
+
+  return [interceptFix, line];
+};

browser/src/parser/terminators/FM.ts

@@ -0,0 +1,25 @@
+import * as geolib from "geolib";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+
+export const TerminatorsFM = (
+  leg: FMTerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number
+): [NavFix?, LineSegment[]?] => {
+  const endpoint = geolib.computeDestinationPoint(
+    previousFix,
+    (10).toMetre(),
+    leg.Course.toTrue(previousFix)
+  );
+
+  const line = handleTurnAtFix(
+    leg.Course.toTrue(previousFix),
+    leg.Course.toTrue(previousFix),
+    lastCourse,
+    previousFix,
+    endpoint,
+    leg.TurnDir
+  );
+
+  return [undefined, line];
+};

browser/src/parser/terminators/RF.ts

@@ -0,0 +1,42 @@
+import Parser from "../parser.ts";
+import { getCourseAndFixForIntercepts } from "../utils/getCourseAndFixForIntercepts.ts";
+import { generateRFArc } from "../pathGenerators/generateRFArc.ts";
+
+export const TerminatorsRF = (
+  leg: RFTerminalEntry,
+  nextLeg: TerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number,
+  waypoint?: Waypoint
+): [NavFix?, LineSegment[]?] => {
+  const targetFix: NavFix = {
+    latitude: leg.WptLat,
+    longitude: leg.WptLon,
+    name: waypoint?.Ident ?? undefined,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const [crs] = getCourseAndFixForIntercepts(nextLeg, previousFix);
+
+  const line = generateRFArc(
+    crs,
+    lastCourse,
+    previousFix,
+    { latitude: leg.CenterLat, longitude: leg.CenterLon },
+    leg.TurnDir
+  );
+  line.push([targetFix.longitude, targetFix.latitude]);
+
+  return [targetFix, line];
+};

browser/src/parser/terminators/TF.ts

@@ -0,0 +1,40 @@
+import * as geolib from "geolib";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+import Parser from "../parser.ts";
+
+export const TerminatorsTF = (
+  leg: TFTerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number,
+  waypoint?: Waypoint
+): [NavFix?, LineSegment[]?] => {
+  const targetFix: NavFix = {
+    latitude: leg.WptLat,
+    longitude: leg.WptLon,
+    name: waypoint?.Ident ?? undefined,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const crs = geolib.getGreatCircleBearing(previousFix, targetFix);
+  const line = handleTurnAtFix(
+    crs,
+    crs,
+    lastCourse,
+    previousFix,
+    targetFix,
+    leg.TurnDir
+  );
+
+  return [targetFix, line];
+};

browser/src/parser/terminators/VA.ts

@@ -0,0 +1,46 @@
+import * as geolib from "geolib";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+import Parser from "../parser.ts";
+
+// 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 targetFix: NavFix = {
+    ...geolib.computeDestinationPoint(
+      previousFix,
+      (
+        ((leg.Alt.parseAltitude() - (previousFix.altitude ?? 0)) /
+          Parser.AC_VS) *
+        (Parser.AC_SPEED / 60)
+      ).toMetre(),
+      leg.Course.toTrue(previousFix)
+    ),
+    name: leg.Alt,
+    "marker-color": "#ff0000",
+    isFlyOver: true,
+    altitude: leg.Alt.parseAltitude(),
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const line = handleTurnAtFix(
+    leg.Course.toTrue(previousFix),
+    leg.Course.toTrue(previousFix),
+    lastCourse,
+    previousFix,
+    targetFix,
+    leg.TurnDir
+  );
+
+  return [targetFix, line];
+};

browser/src/parser/terminators/VD.ts

@@ -0,0 +1,42 @@
+import * as geolib from "geolib";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+import Parser from "../parser.ts";
+
+// NOTE: No wind adjustments to be made, no clue how *that* would draw
+export const TerminatorsVD = (
+  leg: VDTerminalEntry,
+  previousFix: NavFix,
+  lastCourse: number
+): [NavFix?, LineSegment[]?] => {
+  const targetFix: NavFix = {
+    ...geolib.computeDestinationPoint(
+      previousFix,
+      leg.Distance.toMetre(),
+      leg.Course.toTrue(previousFix)
+    ),
+    name: leg.Distance.toString(),
+    "marker-color": "#ff0000",
+    isFlyOver: true,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const line = handleTurnAtFix(
+    leg.Course.toTrue(previousFix),
+    leg.Course.toTrue(previousFix),
+    lastCourse,
+    previousFix,
+    targetFix,
+    leg.TurnDir
+  );
+
+  return [targetFix, line];
+};

browser/src/parser/terminators/VI.ts

@@ -0,0 +1,63 @@
+import Parser from "../parser.ts";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+import { computeIntersection } from "../utils/computeIntersection.ts";
+import { getCourseAndFixForIntercepts } from "../utils/getCourseAndFixForIntercepts.ts";
+
+// 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 [crs, nextFix] = getCourseAndFixForIntercepts(nextLeg, previousFix);
+
+  // Compute INTC
+  const interceptFix: NavFix = {
+    ...computeIntersection(
+      previousFix,
+      leg.Course.toTrue(nextFix),
+      nextFix,
+      crs
+    )!,
+    "marker-color": leg.IsFlyOver ? "#ff0000" : undefined,
+    isFlyOver: leg.IsFlyOver,
+    altitude: leg.Alt ? leg.Alt.parseAltitude() : previousFix.altitude,
+    speed: leg.SpeedLimit
+      ? leg.SpeedLimit > Parser.AC_SPEED
+        ? Parser.AC_SPEED
+        : leg.SpeedLimit
+      : previousFix.speed
+      ? previousFix.speed
+      : Parser.AC_SPEED,
+    speedConstraint: leg.SpeedLimit,
+    altitudeConstraint: leg.Alt,
+  };
+
+  const line = handleTurnAtFix(
+    crs,
+    leg.Course.toTrue(nextFix),
+    lastCourse,
+    previousFix,
+    interceptFix,
+    leg.TurnDir
+  );
+
+  // Intercept based on previous intercept
+  const interceptPoint2 = computeIntersection(
+    { latitude: line.at(-2)![1], longitude: line.at(-2)![0] },
+    leg.Course.toTrue(nextFix),
+    nextFix,
+    crs
+  );
+  if (interceptPoint2)
+    return [
+      { ...interceptFix, ...interceptPoint2 },
+      [
+        ...line.slice(0, -1),
+        [interceptPoint2.longitude, interceptPoint2.latitude],
+      ],
+    ];
+
+  return [interceptFix, line];
+};

browser/src/parser/terminators/VM.ts

@@ -0,0 +1,26 @@
+import * as geolib from "geolib";
+import { handleTurnAtFix } from "../pathGenerators/handleTurnAtFix.ts";
+
+// 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 endpoint = geolib.computeDestinationPoint(
+    previousFix,
+    (10).toMetre(),
+    leg.Course.toTrue(previousFix)
+  );
+
+  const line = handleTurnAtFix(
+    leg.Course.toTrue(previousFix),
+    leg.Course.toTrue(previousFix),
+    lastCourse,
+    previousFix,
+    endpoint,
+    leg.TurnDir
+  );
+
+  return [undefined, line];
+};

browser/src/parser/utils/computeIntersection.ts

@@ -10,7 +10,7 @@ export const computeIntersection = (
   brng1: number,
   p2: NavFix,
   brng2: number
-): NavFix | null => {
+): NavFix | undefined => {
   if (isNaN(brng1)) throw new TypeError(`invalid brng1 ${brng1}`);
   if (isNaN(brng2)) throw new TypeError(`invalid brng2 ${brng2}`);
 
@@ -54,8 +54,8 @@ export const computeIntersection = (
   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) == 0 && Math.sin(α2) == 0) return undefined; // infinite intersections
-  if (Math.sin(α1) * Math.sin(α2) < 0) return null; // ambiguous intersection (antipodal/360°)
+  if (Math.sin(α1) * Math.sin(α2) < 0) return undefined; // ambiguous intersection (antipodal/360°)
 
   const cosα3 =
     -Math.cos(α1) * Math.cos(α2) + Math.sin(α1) * Math.sin(α2) * Math.cos(δ12);

browser/src/parser/utils/extensions.ts

@@ -25,3 +25,7 @@ Number.prototype.toTrue = function (fix) {
 Number.prototype.toMetre = function () {
   return (this as number) * 1852.0;
 };
+
+String.prototype.parseAltitude = function () {
+  return Number.parseInt(this.substring(0, 5));
+};

browser/src/parser/utils/getCourseAndFixForIntercepts.ts

@@ -0,0 +1,42 @@
+import * as geolib from "geolib";
+
+/**
+ * @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 FMTerminalEntry;
+      return [
+        geolib.getGreatCircleBearing(origin, {
+          latitude: _leg.WptLat,
+          longitude: _leg.WptLon,
+        }),
+        { latitude: _leg.WptLat, longitude: _leg.WptLon },
+      ];
+    }
+    case "AF": {
+      const _leg = leg as AFTerminalEntry;
+      const fix = { latitude: _leg.WptLat, longitude: _leg.WptLon };
+      return [_leg.Course.reciprocalCourse().toTrue(fix), fix];
+    }
+    default: {
+      return [-1, origin];
+    }
+  }
+};

browser/src/types/extensions.d.ts

@@ -26,4 +26,11 @@ export declare global {
      */
     toMetre: () => number;
   }
+
+  interface String {
+    /**
+     * @returns Value parsed from altitude constraint
+     */
+    parseAltitude: () => number;
+  }
 }

browser/src/types/terminators/AF.d.ts

@@ -2,10 +2,10 @@ export declare global {
   type AFTerminalEntry = Required<
     Pick<
       TerminalEntry,
-      | "TurnDir"
       | "WptID"
       | "WptLat"
       | "WptLon"
+      | "TurnDir"
       | "NavID"
       | "NavLat"
       | "NavLon"

browser/src/types/terminators/CI.d.ts

@@ -0,0 +1,4 @@
+export declare global {
+  type CITerminalEntry = Required<Pick<TerminalEntry, "Course">> &
+    TerminalEntry;
+}

browser/src/types/terminators/CR.d.ts

@@ -0,0 +1,6 @@
+export declare global {
+  type CRTerminalEntry = Required<
+    Pick<TerminalEntry, "NavID" | "NavLat" | "NavLon" | "NavBear" | "Course">
+  > &
+    TerminalEntry;
+}

browser/src/types/terminators/FM.d.ts

@@ -0,0 +1,17 @@
+export declare global {
+  type FMTerminalEntry = Required<
+    Pick<
+      TerminalEntry,
+      | "WptID"
+      | "WptLat"
+      | "WptLon"
+      | "NavID"
+      | "NavLat"
+      | "NavLon"
+      | "NavBear"
+      | "NavDist"
+      | "Course"
+    >
+  > &
+    TerminalEntry;
+}

browser/src/types/terminators/RF.d.ts

@@ -0,0 +1,18 @@
+export declare global {
+  type RFTerminalEntry = Required<
+    Pick<
+      TerminalEntry,
+      | "WptID"
+      | "WptLat"
+      | "WptLon"
+      | "TurnDir"
+      | "NavBear"
+      | "Course"
+      | "Distance"
+      | "CenterID"
+      | "CenterLat"
+      | "CenterLon"
+    >
+  > &
+    TerminalEntry;
+}

browser/src/types/terminators/TF.d.ts

@@ -0,0 +1,6 @@
+export declare global {
+  type TFTerminalEntry = Required<
+    Pick<TerminalEntry, "WptID" | "WptLat" | "WptLon" | "IsFlyOver">
+  > &
+    TerminalEntry;
+}

browser/src/types/terminators/VA.d.ts

@@ -0,0 +1,4 @@
+export declare global {
+  type VATerminalEntry = Required<Pick<TerminalEntry, "Course" | "Alt">> &
+    TerminalEntry;
+}

browser/src/types/terminators/VD.d.ts

@@ -0,0 +1,6 @@
+export declare global {
+  type VDTerminalEntry = Required<
+    Pick<TerminalEntry, "NavID" | "NavLat" | "NavLon" | "Course" | "Distance">
+  > &
+    TerminalEntry;
+}

browser/src/types/terminators/VI.d.ts

@@ -0,0 +1,4 @@
+export declare global {
+  type VITerminalEntry = Required<Pick<TerminalEntry, "Course">> &
+    TerminalEntry;
+}

browser/src/types/terminators/VM.d.ts

@@ -0,0 +1,4 @@
+export declare global {
+  type VMTerminalEntry = Required<Pick<TerminalEntry, "Course">> &
+    TerminalEntry;
+}

browser/src/types/types.d.ts

@@ -63,7 +63,7 @@ export declare global {
     CenterLat?: number;
     CenterLon?: number;
     IsFlyOver: boolean;
-    SpeedLimit?: string;
+    SpeedLimit?: number;
     IsFAF: boolean;
     IsMAP: boolean;
   };
@@ -84,7 +84,7 @@ export declare global {
     isFlyOver?: boolean;
     "marker-color"?: string;
     altitudeConstraint?: string;
-    speedConstraint?: string;
+    speedConstraint?: number;
   };
 
   type LineSegment = [number, number];

geojson.js

@@ -1,901 +0,0 @@
-import fs from "fs";
-import geo from "geojson";
-import geolib from "geolib";
-import magvar from "magvar";
-
-/* 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;
-const MAGVAR = -5;
-const PROCEDURE_ID = 10653;
-
-/* 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 (fix) {
-  // IRL Magvar
-  //return (this - magvar.magvar(fix.lat, fix.lon)).normaliseDegrees();
-  // NG Magvar
-  return (this - MAGVAR).normaliseDegrees();
-};
-
-/* Functions */
-/**
- *
- * @param {[number, number]} line line segment
- */
-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],
-    }
-  );
-};
-/**
- *
- * @param {number} nmi Nautical Miles
- * @returns Metres
- */
-const nmiToMetre = (nmi) => nmi * 1852.0;
-/**
- *
- * @param {{lat: number, lon: number}} p1 Point 1
- * @param {number} brng1 Bearing from Point 1
- * @param {{lat: number, lon: number}} p2 Point 2
- * @param {number} brng2 bearing from Point 2
- * @returns {{lat: number, lon: number}} Intersection point
- */
-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 };
-};
-/**
- *
- * @param {number} inbdCrs Course into arc endpoint
- * @param {*} outbCrs Course into arc origin point
- * @param {{lat: number, lon: number}} arcStart Arc origin point
- * @param {{lat: number, lon: number}} legEnd Arc endpoint
- * @param {"R"|"L"|"E"|null} turnDir Turn direction
- * @returns {[[number, number]]} Line segments
- */
-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;
-};
-/**
- *
- * @param {number} inbdCrs Course into arc endpoint
- * @param {number} outbCrs Course into arc origin point
- * @param {{lat: number, lon: number}} arcStart Arc origin point
- * @param {"R"|"L"|"E"|null} turnDir Turn direction
- * @returns {[[number, number]]} Line segments
- */
-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);
-};
-/**
- *
- * @param {number} inbdCrs Course into arc endpoint
- * @param {number} outbCrs Course into arc origin point
- * @param {{lat: number, lon: number}} arcStart Arc origin point
- * @param {{lat: number, lon: number}} center Arc center point
- * @param {"R"|"L"|"E"|null} turnDir
- * @returns {[[number, number]]} Line segments
- */
-const generateRFArc = (inbdCrs, outbCrs, arcStart, center, turnDir) => {
-  const line = [];
-
-  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";
-    }
-
-    let startPerpCrs;
-    let endPerpCrs;
-    if (turnDir === "R") {
-      startPerpCrs = (outbCrs + 90).normaliseDegrees();
-      endPerpCrs = (inbdCrs + 90).normaliseDegrees();
-    } else {
-      startPerpCrs = (outbCrs - 90).normaliseDegrees();
-      endPerpCrs = (inbdCrs - 90).normaliseDegrees();
-    }
-
-    const arcRad = geolib.getDistance(
-      {
-        latitude: center.lat,
-        longitude: center.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(
-        center,
-        arcRad,
-        startPerpCrs
-      );
-
-      line.push([arcFix.longitude, arcFix.latitude]);
-    }
-  }
-
-  return line;
-};
-/**
- *
- * @param {number} inbdCrs Course into arc endpoint
- * @param {number} outbCrs Course into arc origin point
- * @param {{lat: number, lon: number}} arcStart Arc origin point
- * @param {{lat: number, lon: number}} center Arc center point
- * @param {number} radius Arc radius in nmi
- * @param {"R"|"L"|"E"|null} turnDir
- * @returns {[[number, number]]} Line segments
- */
-const generateAFArc = (inbdCrs, outbCrs, arcStart, center, radius, 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";
-    }
-
-    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(
-        center,
-        nmiToMetre(radius),
-        outbCrs
-      );
-
-      line.push([arcFix.longitude, arcFix.latitude]);
-    }
-  }
-
-  return line;
-};
-const getCourseAndFixForInterceptions = (leg, origin) => {
-  switch (leg.TrackCode) {
-    case "CF": {
-      const fix = { lat: leg.WptLat, lon: leg.WptLon };
-      return [leg.Course.flipCourse().toTrue(fix), fix];
-    }
-    case "FM": {
-      const fix = { lat: leg.WptLat, lon: leg.WptLon };
-      return [leg.Course.toTrue(fix), fix];
-    }
-    case "TF": {
-      return [
-        geolib.getGreatCircleBearing(
-          { latitude: origin.lat, longitude: origin.lon },
-          { latitude: leg.WptLat, longitude: leg.WptLon }
-        ),
-        { lat: leg.WptLat, lon: leg.WptLon },
-      ];
-    }
-    case "AF": {
-      const fix = { lat: leg.WptLat, lon: leg.WptLon };
-      return [leg.Course.flipCourse().toTrue(fix), fix];
-    }
-  }
-};
-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("browser/public/navdata/Waypoints.json")
-);
-const terminal = JSON.parse(
-  fs.readFileSync("browser/public/navdata/Terminals.json")
-).filter(({ ID }) => ID === PROCEDURE_ID)[0];
-const runway = JSON.parse(
-  fs.readFileSync("browser/public/navdata/Runways.json")
-).filter(({ ID }) => ID === terminal.RwyID)[0];
-const procedure = JSON.parse(
-  fs.readFileSync(`browser/public/navdata/TermID_${PROCEDURE_ID}.json`)
-);
-
-/* Output */
-const points = [
-  { lat: runway.Latitude, lon: runway.Longitude, alt: runway.Elevation },
-];
-const lines = [];
-let lastCourse = runway.TrueHeading;
-
-/* 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": {
-      // 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 arcEndCrs = geolib.getGreatCircleBearing(
-        {
-          latitude: leg.NavLat,
-          longitude: leg.NavLon,
-        },
-        {
-          latitude: leg.WptLat,
-          longitude: leg.WptLon,
-        }
-      );
-
-      const line = generateAFArc(
-        arcEndCrs,
-        leg.Course.toTrue({ lat: leg.NavLat, lon: leg.NavLon }),
-        points.at(-2),
-        { lat: leg.NavLat, lon: leg.NavLon },
-        leg.NavDist,
-        leg.TurnDir
-      );
-      lines.push({ line });
-      updateLastCourse(line);
-
-      break;
-    }
-    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(points.at(-1)),
-        leg.Course.toTrue(points.at(-1)),
-        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],
-        points.at(-1)
-      );
-
-      // Compute INTC
-      const intc = computeIntersection(
-        points.at(-1),
-        leg.Course.toTrue(fix),
-        fix,
-        inbdCrs
-      );
-
-      const line = handleTurnAtFix(
-        inbdCrs,
-        leg.Course.toTrue(fix),
-        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),
-        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(points.at(-1));
-
-      // Compute INTC
-      const intc = computeIntersection(
-        points.at(-1),
-        inbdCrs,
-        { lat: leg.NavLat, lon: leg.NavLon },
-        leg.NavBear.toTrue({ lat: leg.NavLat, lon: leg.NavLon })
-      );
-      points.push(intc);
-
-      const line = handleTurnAtFix(
-        inbdCrs,
-        leg.Course.toTrue(points.at(-2)),
-        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(points.at(-1))
-      );
-
-      const line = handleTurnAtFix(
-        leg.Course.toTrue(points.at(-1)),
-        leg.Course.toTrue(points.at(-1)),
-        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":
-      break;
-    case "RF": {
-      // 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] = getCourseAndFixForInterceptions(
-        procedure[index + 1],
-        points.at(-1)
-      );
-
-      const line = generateRFArc(
-        inbdCrs,
-        lastCourse,
-        points.at(-1),
-        { lat: leg.CenterLat, lon: leg.CenterLon },
-        leg.TurnDir
-      );
-      lines.push({ line });
-      updateLastCourse(line);
-
-      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.at(-1))
-      );
-      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(points.at(-2)),
-        leg.Course.toTrue(points.at(-2)),
-        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.at(-1))
-      );
-      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(points.at(-2)),
-        leg.Course.toTrue(points.at(-2)),
-        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],
-        points.at(-1)
-      );
-
-      // Compute INTC
-      const intc = computeIntersection(
-        points.at(-1),
-        leg.Course.toTrue(fix),
-        fix,
-        inbdCrs
-      );
-
-      const line = handleTurnAtFix(
-        inbdCrs,
-        leg.Course.toTrue(fix),
-        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),
-        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(points.at(-1))
-      );
-
-      const line = handleTurnAtFix(
-        leg.Course.toTrue(points.at(-1)),
-        leg.Course.toTrue(points.at(-1)),
-        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));

package.json

@@ -1,11 +0,0 @@
-{
-  "dependencies": {
-    "geojson": "^0.5.0",
-    "geolib": "^3.3.4",
-    "magvar": "^2.0.0"
-  },
-  "type": "module",
-  "scripts": {
-    "parse": "node geojson.js > output.json"
-  }
-}

pnpm-lock.yaml

@@ -1,39 +0,0 @@
-lockfileVersion: '9.0'
-
-settings:
-  autoInstallPeers: true
-  excludeLinksFromLockfile: false
-
-importers:
-
-  .:
-    dependencies:
-      geojson:
-        specifier: ^0.5.0
-        version: 0.5.0
-      geolib:
-        specifier: ^3.3.4
-        version: 3.3.4
-      magvar:
-        specifier: ^2.0.0
-        version: 2.0.0
-
-packages:
-
-  geojson@0.5.0:
-    resolution: {integrity: sha512-/Bx5lEn+qRF4TfQ5aLu6NH+UKtvIv7Lhc487y/c8BdludrCTpiWf9wyI0RTyqg49MFefIAvFDuEi5Dfd/zgNxQ==}
-    engines: {node: '>= 0.10'}
-
-  geolib@3.3.4:
-    resolution: {integrity: sha512-EicrlLLL3S42gE9/wde+11uiaYAaeSVDwCUIv2uMIoRBfNJCn8EsSI+6nS3r4TCKDO6+RQNM9ayLq2at+oZQWQ==}
-
-  magvar@2.0.0:
-    resolution: {integrity: sha512-00LpSwEJZcnyX3VsdCM2CHSCvB+M6sVQTawLCB3J9oK7eEueNltNx9GFL4YR+/HIkLM+l8rFKiY77JTKnOf0jw==}
-
-snapshots:
-
-  geojson@0.5.0: {}
-
-  geolib@3.3.4: {}
-
-  magvar@2.0.0: {}