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Add possibility to load external data as mercator tiles, add bbox tile possibilities, add CRAB and GRB as datasources in the GRB theme

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This commit is contained in:
Pieter Vander Vennet 2021-10-27 03:52:19 +02:00
parent e777776531
commit d5f4572e9a
12 changed files with 254 additions and 61 deletions
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21
Logic/BBox.ts
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@ -1,5 +1,6 @@
import * as turf from "@turf/turf";
import {TileRange, Tiles} from "../Models/TileRange";
import {GeoOperations} from "./GeoOperations";
export class BBox {
@ -22,7 +23,7 @@ export class BBox {
this.minLon = Math.min(this.minLon, coordinate[0]);
this.minLat = Math.min(this.minLat, coordinate[1]);
}
this.maxLon = Math.min(this.maxLon, 180)
this.maxLat = Math.min(this.maxLat, 90)
this.minLon = Math.max(this.minLon, -180)
@ -117,12 +118,12 @@ export class BBox {
}
pad(factor: number, maxIncrease = 2): BBox {
const latDiff = Math.min(maxIncrease / 2, Math.abs(this.maxLat - this.minLat) * factor)
const lonDiff =Math.min(maxIncrease / 2, Math.abs(this.maxLon - this.minLon) * factor)
const lonDiff = Math.min(maxIncrease / 2, Math.abs(this.maxLon - this.minLon) * factor)
return new BBox([[
this.minLon - lonDiff,
this.minLat - latDiff
this.minLat - latDiff
], [this.maxLon + lonDiff,
this.maxLat + latDiff]])
}
@ -161,4 +162,16 @@ export class BBox {
const boundslr = Tiles.tile_bounds_lon_lat(lr.z, lr.x, lr.y)
return new BBox([].concat(boundsul, boundslr))
}
toMercator(): { minLat: number, maxLat: number, minLon: number, maxLon: number } {
const [minLon, minLat] = GeoOperations.ConvertWgs84To900913([this.minLon, this.minLat])
const [maxLon, maxLat] = GeoOperations.ConvertWgs84To900913([this.maxLon, this.maxLat])
return {
minLon, maxLon,
minLat, maxLat
}
}
}