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prevent slope NaNs

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vcoppe
2024-06-20 18:27:22 +02:00
parent b0ac35232d
commit 1561e0c4d2
1 changed files with 2 additions and 2 deletions
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4
gpx/src/gpx.ts
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@@ -688,7 +688,7 @@ export class TrackSegment extends GPXTreeLeaf {
_computeSlope(): number[] {
const points = this.trkpt;
return distanceWindowSmoothingWithDistanceAccumulator(points, 50, (accumulated, start, end) => 100 * (points[end].ele - points[start].ele) / accumulated);
return distanceWindowSmoothingWithDistanceAccumulator(points, 50, (accumulated, start, end) => 100 * ((points[end].ele ?? 0) - (points[start].ele ?? 0)) / (accumulated > 0 ? accumulated : 1));
}
getNumberOfTrackPoints(): number {
@@ -1159,7 +1159,7 @@ function distanceWindowSmoothing(points: ReadonlyArray<Readonly<TrackPoint>>, di
let start = 0, end = 0, accumulated = 0;
for (var i = 0; i < points.length; i++) {
while (start < i && distance(points[start].getCoordinates(), points[i].getCoordinates()) > distanceWindow) {
while (start + 1 < i && distance(points[start].getCoordinates(), points[i].getCoordinates()) > distanceWindow) {
if (remove) {
accumulated -= remove(start);
} else {