Rename

2025-07-17 22:22:07 +02:00
parent 2bdb7e78c4
commit e0ee6d11dd
112 changed files with 71 additions and 2820 deletions
@@ -0,0 +1,78 @@
+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];
+};