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Throw error if tilerange to big, prevent performance problem

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This commit is contained in:
Pieter Vander Vennet 2021-10-01 02:56:21 +02:00
parent 32689f5179
commit 80d4beb38e
1 changed files with 9 additions and 0 deletions
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9
Models/TileRange.ts
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@ -1,3 +1,6 @@
import {control} from "leaflet";
import zoom = control.zoom;
export interface TileRange { export interface TileRange {
xstart: number, xstart: number,
ystart: number, ystart: number,
@ -96,6 +99,12 @@ export class Tiles {
const ystart = Math.min(t0.y, t1.y) const ystart = Math.min(t0.y, t1.y)
const yend = Math.max(t0.y, t1.y) const yend = Math.max(t0.y, t1.y)
const total = (1 + xend - xstart) * (1 + yend - ystart) const total = (1 + xend - xstart) * (1 + yend - ystart)
if(total > 1000){
console.trace("Detected a big tilerange which'll be iterated over: zoomlevel", zoomlevel, "bounds:", [[lon0, lat0], [lon1, lat1]])
}
if(total > 10000){
throw "Tilerange too big"
}
return { return {
xstart: xstart, xstart: xstart,