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first stats fixes

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This commit is contained in:
vcoppe
2024-04-18 19:24:08 +02:00
parent c32bd55172
commit b0dd5a7761
4 changed files with 13 additions and 9 deletions
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14
gpx/src/gpx.ts
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@@ -91,8 +91,8 @@ export class GPXFile extends GPXTreeNode<Track>{
super();
this.attributes = cloneJSON(gpx.attributes);
this.metadata = cloneJSON(gpx.metadata);
this.wpt = gpx.wpt.map((waypoint) => new Waypoint(waypoint));
this.trk = gpx.trk.map((track) => new Track(track));
this.wpt = gpx.wpt ? gpx.wpt.map((waypoint) => new Waypoint(waypoint)) : [];
this.trk = gpx.trk ? gpx.trk.map((track) => new Track(track)) : [];
this.statistics = this.computeStatistics();
}
@@ -132,7 +132,7 @@ export class Track extends GPXTreeNode<TrackSegment> {
this.src = track.src;
this.link = cloneJSON(track.link);
this.type = track.type;
this.trkseg = track.trkseg.map((seg) => new TrackSegment(seg));
this.trkseg = track.trkseg ? track.trkseg.map((seg) => new TrackSegment(seg)) : [];
this.extensions = cloneJSON(track.extensions);
}
@@ -261,6 +261,10 @@ export class TrackSegment extends GPXTreeLeaf {
let left = i - j, right = i + j + 1;
let contributed = false;
for (let k of [left, right]) {
if (k < 0 || k >= points.length) {
continue;
}
let dist = distance(points[i].getCoordinates(), points[k].getCoordinates());
if (dist > ELEVATION_SMOOTHING_DISTANCE_THRESHOLD) {
break;
@@ -338,7 +342,7 @@ export class TrackSegment extends GPXTreeLeaf {
type: "Feature",
geometry: {
type: "LineString",
coordinates: this.trkpt.map((point) => [point.attributes.lng, point.attributes.lat])
coordinates: this.trkpt.map((point) => [point.attributes.lon, point.attributes.lat])
},
properties: {}
};
@@ -464,7 +468,7 @@ function distance(coord1: Coordinates, coord2: Coordinates): number {
const rad = Math.PI / 180;
const lat1 = coord1.lat * rad;
const lat2 = coord2.lat * rad;
const a = Math.sin(lat1) * Math.sin(lat2) + Math.cos(lat1) * Math.cos(lat2) * Math.cos((coord2.lng - coord1.lng) * rad);
const a = Math.sin(lat1) * Math.sin(lat2) + Math.cos(lat1) * Math.cos(lat2) * Math.cos((coord2.lon - coord1.lon) * rad);
const maxMeters = earthRadius * Math.acos(Math.min(a, 1));
return maxMeters;
}