@arcgis/core/views/3d/layers/i3s/LayerElevationProvider.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 e}from"tslib";import{EventedAccessor as t}from"../../../../core/Evented.js";import r from"../../../../core/Logger.js";import{property as i,subclass as n}from"../../../../core/accessorSupport/decorators.js";import{fromQuat as o}from"../../../../core/libs/gl-matrix-2/math/mat4.js";import{create as s}from"../../../../core/libs/gl-matrix-2/factories/mat4f64.js";import{set as a,transformMat4 as l}from"../../../../core/libs/gl-matrix-2/math/vec3.js";import{create as c}from"../../../../core/libs/gl-matrix-2/factories/vec3f64.js";import{projectBoundingSphere as p}from"../../../../geometry/projection/projectBoundingSphere.js";import{empty as m,expand as u}from"../../../../geometry/support/aaBoundingRect.js";import{Sphere as h}from"../../../../geometry/support/sphere.js";import{ElevationRange as f}from"../../support/ElevationRange.js";import{ElevationUpdateEvent as v}from"../../terrain/ElevationUpdateEvent.js";import{Intersector as d}from"../../webgl-engine/lib/Intersector.js";let E=class extends t{constructor(e){super(e),this._tmpEvent=new v,this._renderCoordsHelper=e.view.renderCoordsHelper,this._renderSR=this._renderCoordsHelper.spatialReference,this._layerElevationSource=e.layerElevationSource}initialize(){this._intersector=new d(this.view.state.viewingMode),this._intersector.options.store=0,this._intersector.options.normalRequired=!1,this._tmpEvent.context=this.intersectionHandler.isGround?"ground":"scene"}get spatialReference(){return this.view?.elevationProvider?.spatialReference}getElevation(e,t,i,n){const o=this._renderCoordsHelper,s=a(x,e,t,i);if(!o.toRenderCoords(s,n,s))return r.getLogger(this).error("could not project point to compute elevation"),null;const{layerElevationSource:l,_intersector:c,intersectionHandler:p}=this,m=l.fullExtent,u=null!=m&&Number.isFinite(m.xmin)&&Number.isFinite(m.xmax)&&Number.isFinite(m.ymin)&&Number.isFinite(m.ymax)&&Number.isFinite(m.zmin)&&Number.isFinite(m.zmax)?new f(m.zmin,m.zmax):l.elevationRange;if(null==u)return null;const h=l.elevationOffset,v=u.minElevation+h,d=u.maxElevation+h,E=o.setAltitude(R,d,s),g=o.setAltitude(y,v,s);return c.reset(E,g,this.view.state.camera),p.intersect(c,null,E,g,null,!0),c.results.min.getIntersectionPoint(s)?o.getAltitude(s):null}getElevations(e,t,r){const{groundSpatialReference:i}=this.view;for(let n=0;n<t;++n){const t=3*n,o=e[t],s=e[t+1];r(n,this.getElevation(o,s,0,i))}}getSphereElevationRange(e,t){return p(e,t,_,this._renderSR),this._layerElevationSource.getElevationRange(_)}getRootElevationRange(){const e=this.layerElevationSource.fullExtent;return e?.hasZ?new f(e.zmin,e.zmax):null}notifyObjectsChanged(e){this.spatialReference&&(this._computeLayerExtent(t=>{for(const r of e)t(r)},this._tmpEvent.extent),this._tmpEvent.spatialReference=this.spatialReference,this.emit("elevation-change",this._tmpEvent))}notifyObjectsChangedFunctional(e){this.spatialReference&&(this._computeLayerExtent(e,this._tmpEvent.extent),this._tmpEvent.spatialReference=this.spatialReference,this.emit("elevation-change",this._tmpEvent))}notifyObjectChanged(e){this.spatialReference&&(this._computeObjectExtent(e,this._tmpEvent.extent),this._tmpEvent.spatialReference=this.spatialReference,this.emit("elevation-change",this._tmpEvent))}_computeObjectExtent(e,t){m(t),this._expandExtent(e,t)}_computeLayerExtent(e,t){m(t),e(e=>{this._expandExtent(e,t)})}_expandExtent(e,t){const r=this.spatialReference;if(null==r)return;if(null==e)return;o(g,e.quaternion),g[12]=e.center[0],g[13]=e.center[1],g[14]=e.center[2];const i=e.halfSize;for(let n=0;n<8;++n)x[0]=1&n?i[0]:-i[0],x[1]=2&n?i[1]:-i[1],x[2]=4&n?i[2]:-i[2],l(x,x,g),this._renderCoordsHelper.fromRenderCoords(x,x,r),u(t,x,t);for(let n=0;n<2;++n)x[0]=0,x[1]=0,x[2]=0===n?i[2]:-i[2],l(x,x,g),this._renderCoordsHelper.fromRenderCoords(x,x,r),u(t,x,t)}};e([i({constructOnly:!0})],E.prototype,"layerElevationSource",void 0),e([i({constructOnly:!0})],E.prototype,"intersectionHandler",void 0),e([i({constructOnly:!0})],E.prototype,"view",void 0),e([i()],E.prototype,"spatialReference",null),E=e([n("esri.views.3d.layers.i3s.LayerElevationProvider")],E);const g=s(),_=new h,x=c(),R=c(),y=c();export{E as LayerElevationProvider};