@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
3 lines (2 loc) • 4.88 kB
JavaScript
/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import{baseObjectMemory as e}from"../../../../../core/memoryEstimations.js";import{normalizeTransform as r,quantizeX as t,quantizeY as s}from"../../../../../geometry/support/quantizationUtils.js";import{convertToGeometry as a}from"../../../../../layers/graphics/featureConversionUtils.js";import{FeatureSetReader as i}from"./FeatureSetReader.js";class d extends i{static from(e,r){if(e instanceof this){const t=new Set(r),s=e._indices.filter(e=>t.has(e));return new d(e._reader,s)}return new d(e.copy(),r)}constructor(e,r){super(e.metadata),this._currentIndex=-1,this._displayTransform=null,this._reader=e,this._indices=r}setTransformForDisplay(e){const t=this._reader.getInTransform();if(null==t)return void(this._displayTransform=r(e));const s=r(t),a=r(e),[i,d]=s.scale,[n,o]=s.translate,[h,u]=a.scale,[_,l]=a.translate,y=i/h,c=d/u,p=(n-_)/h,m=(o-l)/u;this._displayTransform={originPosition:"lowerLeft",scale:[1/y,1/c,1,1],translate:[-p/y,-m/c,0,0]}}getInTransform(){return this._reader.getInTransform()}get fields(){return this._reader.fields}get hasNext(){return this._currentIndex+1<this._indices.length}getSize(){return this._indices.length}getCursor(){return this.copy()}copy(){const e=new d(this._reader.copy(),this._indices);return e._currentIndex=this._currentIndex,e._displayTransform=this._displayTransform,e._processorAttributes=this._processorAttributes,e}get contextTimeZone(){return this._reader.contextTimeZone}set contextTimeZone(e){this._reader.contextTimeZone=e}get usedMemory(){return e+this._reader.usedMemory}setProcessorAttributes(e){this._processorAttributes=Object.assign(this._processorAttributes??{},e)}_nextIndex(){return++this._currentIndex<this._indices.length&&(this._reader.setIndex(this._indices[this._currentIndex]),!0)}next(){for(;this._nextIndex()&&!this._reader._getExists(););return this._currentIndex<this._indices.length}readXForDisplay(){return this._displayTransform?t(this._displayTransform,this._reader.readXForDisplay()):this._reader.readXForDisplay()}readYForDisplay(){return this._displayTransform?s(this._displayTransform,this._reader.readYForDisplay()):this._reader.readYForDisplay()}readGeometryForDisplay(){return this._displayTransform?this._reader.readGeometryForDisplayTransformed(this._displayTransform):this._reader.readGeometryForDisplay()}readCentroidForDisplay(){const e=this._reader.readCentroidForDisplay()?.clone();if(e){const[r,a]=e.coords;this._displayTransform&&(e.coords[0]=t(this._displayTransform,r),e.coords[1]=s(this._displayTransform,a))}return e}get geometryType(){return this._reader.geometryType}get hasFeatures(){return this._reader.hasFeatures}get exceededTransferLimit(){return this._reader.exceededTransferLimit}get hasZ(){return this._reader.hasZ}get hasM(){return this._reader.hasM}readAttribute(e,r=!1){const t=this._reader.readAttribute(e,r);return null==t&&this._processorAttributes?this._processorAttributes[e]:t}readAttributes(){return{...this._processorAttributes,...this._reader.readAttributes()}}joinAttributes(e){return this._reader.joinAttributes(e)}getBounds(e){return this._reader.getBounds(e)}getAttributeHash(){return this._reader.getAttributeHash()}getObjectId(){return this._reader.getObjectId()}getDisplayId(){return this._reader.getDisplayId()}setDisplayId(e){return this._reader.setDisplayId(e)}setIndex(e){return this._reader.setIndex(e)}getIndex(){return this._reader.getIndex()}readXWorldSpace(){return this._reader.readXWorldSpace()}readYWorldSpace(){return this._reader.readYWorldSpace()}_readX(){return this._reader.readXForDisplay()}_readY(){return this._reader.readYForDisplay()}_readServerCentroid(){return this._reader._readServerCentroid()}readLegacyFeatureForDisplay(){const e=this.readCentroidForDisplay();return{attributes:this.readAttributes(),geometry:this.readLegacyGeometryForDisplay(),centroid:(e&&{x:e.coords[0],y:e.coords[1]})??null}}readLegacyGeometryForDisplay(){const e=this.readGeometryForDisplay();return a(e,this.geometryType,!1,!1)}readGeometryArea(){return this._displayTransform?this._reader.readGeometryForDisplayTransformed(this._displayTransform)?.area()??0:this._reader.readGeometryArea()}readGeometryWorldSpace(){return this._reader.readGeometryWorldSpace()}_readGeometry(){return this._reader._readGeometry()}_readAttribute(e,r){throw new Error("Error: Should not be called. Underlying _reader should be used instead")}_readAttributes(){throw new Error("Error: Should not be called. Underlying _reader should be used instead")}readArcadeFeature(){return this._reader.readArcadeFeature()}geometry(){return this._reader.geometry()}field(e){return this._reader.field(e)}hasField(e){return this._reader.hasField(e)}setField(e,r){return this._reader.setField(e,r)}keys(){return this._reader.keys()}castToText(e=!1){return this._reader.castToText(e)}}export{d as FeatureSetReaderIndirect};