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show/hide edit markers depending on zoom level

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This commit is contained in:
vcoppe
2024-04-23 16:20:47 +02:00
parent 31989f4c3b
commit e7a6e68520
2 changed files with 52 additions and 7 deletions
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22
website/src/lib/components/toolbar/routing/routing.ts
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@@ -18,24 +18,34 @@ export class AnchorPointHierarchy {
this.point = point;
}
createMarkers(map: mapboxgl.Map, last: boolean = true) {
getMarkers(map: mapboxgl.Map, last: boolean = true, markers: mapboxgl.Marker[] = []): mapboxgl.Marker[] {
if (this.left == null && this.right == null && this.point) {
let element = document.createElement('div');
element.className = 'hidden h-3 w-3 rounded-full bg-background border-2 border-black';
let marker = new mapboxgl.Marker({
draggable: true,
scale: 3 / Math.sqrt(this.lowestLevel)
}).setLngLat([this.point.point.getLongitude(), this.point.point.getLatitude()]).addTo(map);
element
});
marker.setLngLat(this.point.point.getCoordinates());
marker.addTo(map);
Object.defineProperty(marker, '_hierarchy', { value: this });
markers.push(marker);
}
if (this.right) {
this.right.forEach((point, index) => {
if ((index < this.right.length - 1) || last) {
point.createMarkers(map, (index >= this.right.length - 2) && last);
// (index >= this.right.length - 2) because the last point must be drawn by the second to last AnchorPointHierarchy
// because only the right children are drawn
point.getMarkers(map, (index >= this.right.length - 2) && last, markers);
}
});
}
return markers;
}
static create(file: GPXFile, initialEpsilon: number = 1000, minEpsilon: number = 50): AnchorPointHierarchy {
static create(file: GPXFile, initialEpsilon: number = 50000, minEpsilon: number = 50): AnchorPointHierarchy {
let hierarchies = [];
for (let track of file.getChildren()) {
for (let segment of track.getChildren()) {
@@ -70,7 +80,7 @@ export class AnchorPointHierarchy {
let childHierarchies = [];
for (let i = 0; i < simplified.length - 1; i++) {
childHierarchies.push(AnchorPointHierarchy.createRecursive(level + 1, i == 0 ? levelLeft : level, i == simplified.length - 2 ? levelRight : level, points, epsilon / 2, minEpsilon, simplified[i].index, simplified[i + 1].index));
childHierarchies.push(AnchorPointHierarchy.createRecursive(level + 1, i == 0 ? levelLeft : level, i == simplified.length - 2 ? levelRight : level, points, epsilon / 1.54, minEpsilon, simplified[i].index, simplified[i + 1].index));
hierarchy[i].right = childHierarchies[i];
hierarchy[i + 1].left = childHierarchies[i];