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Add geolocation button which uses device GPS

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This commit is contained in:
Pieter Vander Vennet 2020-06-28 02:42:22 +02:00
parent 57c9fcc5aa
commit a566ab6725
6 changed files with 299 additions and 32 deletions
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15
Logic/LayerUpdater.ts
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@ -10,7 +10,7 @@ export class LayerUpdater {
private _layers: FilteredLayer[];
public readonly runningQuery: UIEventSource<boolean> = new UIEventSource<boolean>(false);
/**
* The previous bounds for which the query has been run
*/
@ -95,13 +95,12 @@ export class LayerUpdater {
private buildBboxFor(): string {
const b = this._map.map.getBounds();
const latDiff = Math.abs(b.getNorth() - b.getSouth());
const lonDiff = Math.abs(b.getEast() - b.getWest());
const extra = 0.5;
const n = b.getNorth() + latDiff * extra;
const e = b.getEast() + lonDiff * extra;
const s = b.getSouth() - latDiff * extra;
const w = b.getWest() - lonDiff * extra;
const diff =0.07;
const n = b.getNorth() + diff;
const e = b.getEast() + diff;
const s = b.getSouth() - diff;
const w = b.getWest() - diff;
this.previousBounds = {north: n, east: e, south: s, west: w};