UNPKG

@arcgis/core

Version:

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

6 lines (5 loc) 727 B
/* All material copyright ESRI, All Rights Reserved, unless otherwise specified. See https://js.arcgis.com/4.32/esri/copyright.txt for details. */ import o from"../../../core/ObjectPool.js";import l from"./TileKey.js";class s{constructor(){this.spans=[]}acquire(o){this.lodInfo=o}release(){this.lodInfo=null,this.spans.length=0}*keys(){const o=this.lodInfo;for(const{row:s,colFrom:e,colTo:r}of this.spans)for(let t=e;t<=r;t++){const e=o.getWorldForColumn(t);yield new l(o.level,s,o.normalizeCol(t),e)}}forEach(o,l){const{spans:s,lodInfo:e}=this,{level:r}=e;if(0!==s.length)for(const{row:t,colFrom:n,colTo:c}of s)for(let s=n;s<=c;s++)o.call(l,r,t,e.normalizeCol(s),e.getWorldForColumn(s))}}s.pool=new o(s);export{s as default};