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back to current elevation smoothing

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This commit is contained in:
vcoppe
2024-04-19 13:20:31 +02:00
parent 0735bfc913
commit 46e63ec56a
1 changed files with 17 additions and 28 deletions
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45
gpx/src/gpx.ts
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@@ -278,35 +278,24 @@ export class TrackSegment extends GPXTreeLeaf {
let smoothed = [];
const points = this.trkpt;
let start = 0, end = -1, cumul = 0;
for (var i = 0; i < points.length; i++) {
let weightedSum = 0;
let totalWeight = 0;
for (let j = 0; ; j++) {
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;
}
let weight = ELEVATION_SMOOTHING_DISTANCE_THRESHOLD - dist;
weightedSum += points[j].ele * weight;
totalWeight += weight;
contributed = true;
}
if (!contributed) {
break;
}
while (start < i && distance(points[start].getCoordinates(), points[i].getCoordinates()) > ELEVATION_SMOOTHING_DISTANCE_THRESHOLD) {
cumul -= points[start].ele;
start++;
}
while (end + 1 < points.length && distance(points[i].getCoordinates(), points[end + 1].getCoordinates()) <= ELEVATION_SMOOTHING_DISTANCE_THRESHOLD) {
cumul += points[end + 1].ele;
end++;
}
smoothed.push(weightedSum / totalWeight);
smoothed.push(cumul / (end - start + 1));
}
if (points.length > 0) {
smoothed[0] = points[0].ele;
smoothed[points.length - 1] = points[points.length - 1].ele;
}
return smoothed;
@@ -430,7 +419,7 @@ export class Waypoint {
}
}
class GPXStatistics {
export class GPXStatistics {
distance: {
moving: number;
total: number;
@@ -482,7 +471,7 @@ class GPXStatistics {
}
}
type TrackPointStatistics = {
export type TrackPointStatistics = {
distance: number[],
time: number[],
speed: number[],