@arcgis/core/layers/raster/functions/ArithmeticFunction.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{__decorate as t}from"tslib";import{property as e,subclass as s}from"../../../core/accessorSupport/decorators.js";import{getPixelValueRange as r,isIntegerPixelType as o}from"../formats/pixelRangeUtils.js";import i from"./ArithmeticFunctionArguments.js";import n from"./BaseRasterFunction.js";import{arithmetic as u}from"./localUtils.js";let p=class extends n{constructor(){super(...arguments),this.functionName="Arithmetic",this.functionArguments=null,this.rasterArgumentNames=["raster","raster2"]}_bindSourceRasters(){const{operation:t}=this.functionArguments;if(t<1||t>6)return{success:!1,supportsGPU:!1,error:"unsupported operation"};const e=this.sourceRasterInfos[0].clone();this.outputPixelType=this._getOutputPixelType(e.pixelType),e.pixelType=this.outputPixelType,this._removeStatsHistColormapVAT(e),this.rasterInfo=e;return{success:!0,supportsGPU:e.bandCount<=3}}_processPixels(t){const{pixelBlocks:e}=t;return null==e?.[0]||null==e?.[1]?null:u(e,this.functionArguments.operation,this.outputPixelType)}_getWebGLParameters(){const{operation:t}=this.functionArguments,e=["","plus","minus","times","divide","power","mod"][t],s=this.outputPixelType??"f32";let[i,n]=r(s);const u=o(s);return u&&(i-=1e-4,n+=1e-4),{imageCount:2,operationName:e,domainRange:[i,n],isOutputRounded:u}}};t([e({json:{write:!0,name:"rasterFunction"}})],p.prototype,"functionName",void 0),t([e({type:i,json:{write:!0,name:"rasterFunctionArguments"}})],p.prototype,"functionArguments",void 0),t([e()],p.prototype,"rasterArgumentNames",void 0),p=t([s("esri.layers.raster.functions.ArithmeticFunction")],p);const a=p;export{a as default};