steven/gpx.studio
1
0
Fork 0
mirror of https://github.com/gpxstudio/gpx.studio.git synced 2025-09-01 08:12:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

create routing controls reactively

Browse Source
This commit is contained in:
vcoppe
2024-04-30 15:19:50 +02:00
parent 49053bcaaa
commit e761283501
3 changed files with 185 additions and 193 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
website/src/lib/components/toolbar/tools/routing/Simplify.ts
View File

@@ -1,6 +1,6 @@
import type { Coordinates, TrackPoint, TrackSegment } from "gpx";
export type SimplifiedTrackPoint = { point: TrackPoint, distance?: number, zoom?: number, marker?: mapboxgl.Marker };
type SimplifiedTrackPoint = { point: TrackPoint, distance?: number };
const earthRadius = 6371008.8;
@@ -18,10 +18,12 @@ export function getZoomLevelForDistance(latitude: number, distance?: number): nu
export function computeAnchorPoints(segment: TrackSegment) {
let points = segment.trkpt;
let anchors = ramerDouglasPeucker(points);
anchors.forEach((point) => {
point.zoom = getZoomLevelForDistance(point.point.getLatitude(), point.distance);
anchors.forEach((anchor) => {
let point = anchor.point;
point._data.anchor = true;
point._data.zoom = getZoomLevelForDistance(point.getLatitude(), anchor.distance);
});
segment._data['anchors'] = anchors;
segment._data.anchors = true;
}
export function ramerDouglasPeucker(points: TrackPoint[], epsilon: number = 50, start: number = 0, end: number = points.length - 1): SimplifiedTrackPoint[] {