@arcgis/core/layers/support/TileInfo.js

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

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{_ as e}from"../../chunks/tslib.es6.js";import{JSONMap as t}from"../../core/jsonMap.js";import o from"../../core/JSONSupport.js";import{getMetersPerUnitForSR as s}from"../../core/unitUtils.js";import{property as r}from"../../core/accessorSupport/decorators/property.js";import{Integer as i}from"../../core/accessorSupport/ensureType.js";import"../../core/has.js";import"../../core/RandomLCG.js";import{reader as l}from"../../core/accessorSupport/decorators/reader.js";import{subclass as n}from"../../core/accessorSupport/decorators/subclass.js";import{writer as p}from"../../core/accessorSupport/decorators/writer.js";import a from"../../geometry/Point.js";import c from"../../geometry/SpatialReference.js";import{create as u}from"../../geometry/support/aaBoundingRect.js";import{isValid as f,getInfo as h,isGeographic as m,equals as d}from"../../geometry/support/spatialReferenceUtils.js";import{project as g}from"../../geometry/support/webMercatorUtils.js";import y from"./LOD.js";import{TileKey as v}from"./TileKey.js";var w;const x=new t({PNG:"png",PNG8:"png8",PNG24:"png24",PNG32:"png32",JPEG:"jpg",JPG:"jpg",DIB:"dib",TIFF:"tiff",EMF:"emf",PS:"ps",PDF:"pdf",GIF:"gif",SVG:"svg",SVGZ:"svgz",Mixed:"mixed",MIXED:"mixed",LERC:"lerc",LERC2D:"lerc2d",RAW:"raw",pbf:"pbf"});let j=class extends o{static{w=this}static create(e={}){const{resolutionFactor:t=1,scales:o,size:r=256,spatialReference:i=c.WebMercator,numLODs:l=24}=e;if(!f(i)){const e=[];if(o)for(let t=0;t<o.length;t++){const s=o[t];e.push(new y({level:t,scale:s,resolution:s}))}else{let t=5e-4;for(let o=l-1;o>=0;o--)e.unshift(new y({level:o,scale:t,resolution:t})),t*=2}return new w({dpi:96,lods:e,origin:new a(0,0,i),size:[r,r],spatialReference:i})}const n=h(i),p=e.origin?new a({x:e.origin.x,y:e.origin.y,spatialReference:i}):new a(n?{x:n.origin[0],y:n.origin[1],spatialReference:i}:{x:0,y:0,spatialReference:i}),u=96,d=1/(s(i)*39.37*u),g=[];if(o)for(let s=0;s<o.length;s++){const e=o[s],t=e*d;g.push(new y({level:s,scale:e,resolution:t}))}else{let e=m(i)?512/r*591657527.5917094:256/r*591657527.591555;const o=Math.ceil(l/t);g.push(new y({level:0,scale:e,resolution:e*d}));for(let s=1;s<o;s++){const o=e/2**t,r=o*d;g.push(new y({level:s,scale:o,resolution:r})),e=o}}return new w({dpi:u,lods:g,origin:p,size:[r,r],spatialReference:i})}constructor(e){super(e),this.dpi=96,this.format=null,this.origin=null,this.size=null,this.spatialReference=null}get isWrappable(){const{spatialReference:e,origin:t}=this;if(e&&t){const o=h(e);return e.isWrappable&&!!o&&Math.abs(o.origin[0]-t.x)<=o.dx}return!1}readOrigin(e,t){return a.fromJSON({spatialReference:t.spatialReference,...e})}set lods(e){let t=0,o=0;const s=[],r=this._levelToLOD={};e&&(t=-1/0,o=1/0,e.forEach((e=>{s.push(e.scale),t=e.scale>t?e.scale:t,o=e.scale<o?e.scale:o,r[e.level]=e}))),this._set("scales",s),this._set("lods",e),this._initializeUpsampleLevels()}readSize(e,t){return[t.cols,t.rows]}writeSize(e,t){t.cols=e[0],t.rows=e[1]}zoomToScale(e){const t=this.scales;if(e<=0)return t[0];if(e>=t.length-1)return t[t.length-1];const o=Math.floor(e),s=o+1;return t[o]/(t[o]/t[s])**(e-o)}scaleToZoom(e){const t=this.scales,o=t.length-1;let s=0;for(;s<o;s++){const o=t[s],r=t[s+1];if(o<=e)return s;if(r===e)return s+1;if(o>e&&r<e)return s+Math.log(o/e)/Math.log(o/r)}return s}tileAt(e,t,o,s){const r=this.lodAt(e);if(!r)return null;let i,l;if("number"==typeof t)i=t,l=o;else if(d(t.spatialReference,this.spatialReference))i=t.x,l=t.y,s=o;else{const e=g(t,this.spatialReference);if(null==e)return null;i=e.x,l=e.y,s=o}const n=r.resolution*this.size[0],p=r.resolution*this.size[1];return s||(s=new v(null,0,0,0,u())),s.level=e,s.row=Math.floor((this.origin.y-l)/p+.001),s.col=Math.floor((i-this.origin.x)/n+.001),this.updateTileInfo(s),s}updateTileInfo(e,t=w.ExtrapolateOptions.NONE){let o=this.lodAt(e.level);if(!o&&t===w.ExtrapolateOptions.POWER_OF_TWO){const t=this.lods[this.lods.length-1];t.level<e.level&&(o=t)}if(!o)return;const s=e.level-o.level,r=o.resolution*this.size[0]/2**s,i=o.resolution*this.size[1]/2**s;e.id=`${e.level}/${e.row}/${e.col}`,e.extent||(e.extent=u()),e.extent[0]=this.origin.x+e.col*r,e.extent[1]=this.origin.y-(e.row+1)*i,e.extent[2]=e.extent[0]+r,e.extent[3]=e.extent[1]+i}upsampleTile(e){const t=this._upsampleLevels[e.level];return!(!t||-1===t.parentLevel)&&(e.level=t.parentLevel,e.row=Math.floor(e.row/t.factor+.001),e.col=Math.floor(e.col/t.factor+.001),this.updateTileInfo(e),!0)}getTileBounds(e,t){const o=this.lodAt(t.level);if(null==o)return null;const{resolution:s}=o,r=s*this.size[0],i=s*this.size[1];return e[0]=this.origin.x+t.col*r,e[1]=this.origin.y-(t.row+1)*i,e[2]=e[0]+r,e[3]=e[1]+i,e}lodAt(e){return this._levelToLOD?.[e]??null}clone(){return w.fromJSON(this.write({}))}getCompatibleForVTL(e){if(this.size[0]!==this.size[1]||256===this.size[0]&&512===e)return null;const t=(512===this.size[0]&&256===e?-1:0)+(this.spatialReference.isGeographic?1:0);if(this.size[0]===e&&0===t)return this;const o=[],s=this.lods.length-t;for(let r=0;r<s;r++){const e=r+t,{scale:s,resolution:i}=e>=0?this.lods[e]:{scale:2*this.lods[0].scale,resolution:2*this.lods[0].resolution};o.push(new y({level:r,scale:s,resolution:i}))}return new w({size:[e,e],dpi:this.dpi,format:this.format,compressionQuality:this.compressionQuality,origin:this.origin,spatialReference:this.spatialReference,lods:o})}_initializeUpsampleLevels(){const e=this.lods;this._upsampleLevels=[];let t=null;for(let o=0;o<e.length;o++){const s=e[o];this._upsampleLevels[s.level]={parentLevel:t?t.level:-1,factor:t?t.resolution/s.resolution:0},t=s}}};e([r({type:Number,json:{write:!0}})],j.prototype,"compressionQuality",void 0),e([r({type:Number,json:{write:!0}})],j.prototype,"dpi",void 0),e([r({type:String,json:{read:x.read,write:x.write,origins:{"web-scene":{read:!1,write:!1}}}})],j.prototype,"format",void 0),e([r({readOnly:!0})],j.prototype,"isWrappable",null),e([r({type:a,json:{write:!0}})],j.prototype,"origin",void 0),e([l("origin")],j.prototype,"readOrigin",null),e([r({type:[y],value:null,json:{write:!0}})],j.prototype,"lods",null),e([r({readOnly:!0})],j.prototype,"scales",void 0),e([r({cast:e=>Array.isArray(e)?e:"number"==typeof e?[e,e]:[256,256]})],j.prototype,"size",void 0),e([l("size",["rows","cols"])],j.prototype,"readSize",null),e([p("size",{cols:{type:i},rows:{type:i}})],j.prototype,"writeSize",null),e([r({type:c,json:{write:!0}})],j.prototype,"spatialReference",void 0),j=w=e([n("esri.layers.support.TileInfo")],j),function(e){var t;(t=e.ExtrapolateOptions||(e.ExtrapolateOptions={}))[t.NONE=0]="NONE",t[t.POWER_OF_TWO=1]="POWER_OF_TWO"}(j||(j={}));export{j as default};