@arcgis/core/views/2d/engine/imagery/RasterVFDisplayObject.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/4.32/esri/copyright.txt for details.
*/
import"../../../../core/has.js";import{identity as t,translate as e,rotate as a,scaleByVec2 as s,multiply as i}from"../../../../core/libs/gl-matrix-2/math/mat3.js";import{create as r}from"../../../../core/libs/gl-matrix-2/factories/mat3f32.js";import{fromValues as o}from"../../../../core/libs/gl-matrix-2/factories/vec2f32.js";import{createVFMesh as l,createVFMeshScalar as n}from"../../../../layers/support/rasterFunctions/vectorFieldUtils.js";import{DisplayObject as c}from"../DisplayObject.js";import{createProgramDescriptor as h}from"../webgl/Utils.js";import{BufferObject as m}from"../../../webgl/BufferObject.js";import{Usage as u,DataType as d}from"../../../webgl/enums.js";import{VertexArrayObject as v}from"../../../webgl/VertexArrayObject.js";class f extends c{constructor(t=null){super(),this._source=null,this._symbolizerParameters=null,this._vaoInvalidated=!0,this.coordScale=[1,1],this.height=null,this.key=null,this.offset=null,this.stencilRef=0,this.resolution=null,this.pixelRatio=1,this.x=0,this.y=0,this.rotation=0,this.rawPixelData=null,this.vaoData=null,this.width=null,this.source=t}destroy(){null!=this.vaoData&&(this.vaoData.magdir?.vao.dispose(),this.vaoData.scalar?.vao.dispose(),this.vaoData=null)}get symbolizerParameters(){return this._symbolizerParameters}set symbolizerParameters(t){JSON.stringify(this._symbolizerParameters)!==JSON.stringify(t)&&(this._symbolizerParameters=t,this.invalidateVAO())}get source(){return this._source}set source(t){this._source=t,this.invalidateVAO()}invalidateVAO(){this._vaoInvalidated||null==this.vaoData||(this.vaoData.magdir?.vao.dispose(),this.vaoData.scalar?.vao.dispose(),this.vaoData=null,this._vaoInvalidated=!0,this.requestRender())}updateVectorFieldVAO(t){if(this._vaoInvalidated){if(this._vaoInvalidated=!1,null!=this.source&&null==this.vaoData){const{style:e}=this.symbolizerParameters;switch(e){case"beaufort_ft":case"beaufort_km":case"beaufort_kn":case"beaufort_m":case"beaufort_mi":case"classified_arrow":case"ocean_current_kn":case"ocean_current_m":case"single_arrow":{const e=l(this.source,this.symbolizerParameters),a=this._createVectorFieldVAO(t.context,e);this.vaoData={magdir:a}}break;case"simple_scalar":{const e=n(this.source,this.symbolizerParameters),a=this._createVectorFieldVAO(t.context,e);this.vaoData={scalar:a}}break;case"wind_speed":{const e=l(this.source,this.symbolizerParameters),a=this._createVectorFieldVAO(t.context,e),s=n(this.source,this.symbolizerParameters),i=this._createVectorFieldVAO(t.context,s);this.vaoData={magdir:a,scalar:i}}}}this.ready(),this.requestRender()}}_createTransforms(){return{displayViewScreenMat3:r()}}setTransform(r){const l=t(this.transforms.displayViewScreenMat3),[n,c]=r.toScreenNoRotation([0,0],[this.x,this.y]),h=this.resolution/this.pixelRatio/r.resolution,m=h*this.width,u=h*this.height,d=Math.PI*this.rotation/180;e(l,l,o(n,c)),e(l,l,o(m/2,u/2)),a(l,l,-d),e(l,l,o(-m/2,-u/2)),s(l,l,o(m,u)),i(this.transforms.displayViewScreenMat3,r.displayViewMat3,l)}onAttach(){this.invalidateVAO()}onDetach(){this.invalidateVAO()}_createVectorFieldVAO(t,e){const{vertexData:a,indexData:s}=e,i=m.createVertex(t,u.STATIC_DRAW,new Float32Array(a)),r=m.createIndex(t,u.STATIC_DRAW,new Uint32Array(s)),o=h("vector-field",{geometry:[{location:0,name:"a_pos",count:2,type:d.FLOAT,normalized:!1},{location:1,name:"a_offset",count:2,type:d.FLOAT,normalized:!1},{location:2,name:"a_vv",count:2,type:d.FLOAT,normalized:!1}]});return{vao:new v(t,o.attributes,o.bufferLayouts,new Map([["geometry",i]]),r),elementCount:s.length}}}export{f as RasterVFDisplayObject};