@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
6 lines (5 loc) • 12.7 kB
JavaScript
/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.32/esri/copyright.txt for details.
*/
import{n as e,a as t,f as i,b as s,c as n,H as r,y as o,h as a,G as c,s as u,j as l,l as h,k as d,d as m,g as _}from"../../../../chunks/vec32.js";import{create as p}from"../../../../core/libs/gl-matrix-2/factories/vec3f64.js";import{c as f,i as v}from"../../../../chunks/vec42.js";import{create as g}from"../../../../core/libs/gl-matrix-2/factories/vec4f64.js";import{getReferenceEllipsoid as b}from"../../../../geometry/ellipsoidUtils.js";import{getSphericalPCPF as R}from"../../../../geometry/spatialReferenceEllipsoidUtils.js";import{projectBoundingSphere as S}from"../../../../geometry/projection/projectBoundingSphere.js";import{getProjector as M}from"../../../../geometry/projection/projectors.js";import{create as x,fromMatrix as C,intersectsSphere as I,createPoints as P}from"../../../../geometry/support/frustum.js";import{signedDistance as E,getNormal as D}from"../../../../geometry/support/plane.js";import{isPlateCarree as F}from"../../../../geometry/support/spatialReferenceUtils.js";import{a as O,w as B}from"../../../../chunks/sphere.js";import{makeDehydratedPoint as V}from"../../../../layers/graphics/dehydratedPoint.js";import{ViewingMode as j}from"../../../ViewingMode.js";import{evaluateElevationAlignmentAtPoint as A}from"../graphics/elevationAlignmentUtils.js";import{ElevationContext as L}from"../graphics/ElevationContext.js";import{createContextWithoutExpressionSupport as y,extractExpressionInfo as w}from"../graphics/featureExpressionInfoUtils.js";import{LodMetric as G}from"./I3SNode.js";import{isValidMbs as N,intersectBoundingRectWithMbs as U,MbsIntersectResult as k}from"./I3SUtil.js";import{Obb as T,computeOffsetObb as q}from"../../support/orientedBoundingBox.js";const z=1e5;class H{get _frustumMbsCenter(){return this._frustumMbs}get _frustumMbsRadius(){return this._frustumMbs[3]}get _frustumPlanes(){return this._frustum}constructor(e,t,i,s,n,r,o,a,c={}){this._indexSR=e,this._renderCoordsHelper=t,this._clippingArea=n,this._elevationProvider=r,this._viewingMode=o,this._options=c,this._frustum=x(),this._frustumMbs=g(),this._useFrustumCulling=!1,this._poi=p(),this._elevationContext=null,this.minDistance=1/0,this.maxDistance=0,this.maxLodLevel=2,this._tmpObb=new T,this._tmp1=p(),this._tmp2=p(),this._tmp3=p(),this._tmp0=p(),this._screenspaceErrorBias=c.screenspaceErrorBias||1,this._progressiveLoadFactor=c.progressiveLoadFactor||1,this.updateCamera(i,s);const u=this._renderCoordsHelper.spatialReference;this._renderSR=u,this._renderSRSphericalPCPF=R(u),this._isGlobalMode=u===this._renderSRSphericalPCPF,this.updateElevationInfo(a),this._tmpPoint=V(0,0,0,e),this._isECEFOBBInLocalMode=this._indexSR.isWGS84&&(u.isWebMercator||F(u)),this._indexSREllipsoidRadius=b(this._indexSR).radius,this._indexSRSphericalPCPF=R(e),this._projectorIndexSRToIndexSRSphericalPCPF=M(this._indexSR,this._indexSRSphericalPCPF)}updateElevationInfo(e){null!=e?(this._elevationContext=L.fromElevationInfo(e),this._elevationContext.updateFeatureExpressionInfoContext(y(w(e,!1)))):this._elevationContext=null}updateCamera(n,r){if(this._useFrustumCulling=r,r){C(n.viewMatrix,n.projectionMatrix,this._frustum,X);{const r=n.eye,o=Z;e(o,n.viewForward);const a=Y;t(a,X[4],r);const c=.5*i(a,a)/i(o,a),u=this._frustumMbs;s(u,r,o,c);const l=1+c;u[3]=l}}this._screenSizeFactor=1/(n.perScreenPixelRatio/2),this._camPos=n.eye,this.minDistance=1/0,this.maxDistance=0}setPointOfInterest(e){this._poi=e}updateScreenSpaceErrorBias(e){const t=this._screenspaceErrorBias;return this._screenspaceErrorBias=e,t}updateClippingArea(e){this._clippingArea=e}expandElevationRange(e,t,i){if(null==this._elevationContext)return;const s=e.serviceMbsInIndexSR;if(!s)return;const n="relative-to-scene"===this._elevationContext.mode?"scene":"ground";if(this._elevationProvider.getSphereElevationBounds){const e=this._elevationProvider.getSphereElevationBounds(s,this._indexSR,n);return void(e&&i.expandElevationRange(e))}const r=s[0],o=s[1],a=s[2],c=this._elevationProvider.getElevation(r,o,a,this._indexSR,n);c&&i.expandElevationRangeValues(c,c);const u=t?null:this._elevationProvider.getRootElevationBounds?.();u&&i.expandElevationRange(u)}getServiceMbsInRenderSR(e){const t=e.serviceMbsInRenderSR;if(N(t))return t;e.serviceMbsInIndexSR&&f(t,e.serviceMbsInIndexSR);const i=e.elevationRangeMin;if(this._elevationContext&&Number.isFinite(i)){let s=0,n=0;const r=e.elevationRangeMax;switch(this._elevationContext.mode){case"relative-to-ground":case"relative-to-scene":s=this._elevationContext.geometryZWithOffset(t[2],this._renderCoordsHelper)+i-t[2],n=r-i;break;case"on-the-ground":s=i-t[2],n=r-i}t[2]+=s+.5*n,t[3]+=.5*n}else this._elevationContext&&t[3]<z&&(this._tmpPoint.x=t[0],this._tmpPoint.y=t[1],this._tmpPoint.z=t[2],t[2]=A(this._tmpPoint,this._elevationProvider,this._elevationContext,this._renderCoordsHelper));return S(t,this._indexSR,t,this._renderSR),t}getAndUpdateVisibilityObbInRenderSR(e){{const t=e.visibilityObbInRenderSR;if(t)return t}const t=.01*this._indexSREllipsoidRadius,{serviceMbsInIndexSR:i,serviceObbInIndexSR:s}=e;if(null==s||!i||!s.isValid||this._isECEFOBBInLocalMode&&(s.halfSizeX>t||s.halfSizeY>t||s.halfSizeZ>t))return null;{let t=e.serviceObbInRenderSR;if(null==t)t=new T,e.serviceObbInRenderSR=t;else if(t.isValid)return t;const n=i[3];let r=0,o=0;const a=s.centerZ,c=this._renderCoordsHelper,u=this._elevationContext;if(u&&e.elevationRangeValid){const t=e.elevationRangeMin,i=e.elevationRangeMax;switch(u.mode){case"relative-to-ground":case"relative-to-scene":r=u.geometryZWithOffset(a,c)+t-a,o=i-t;break;case"on-the-ground":r=t-a,o=i-t}}else if(u&&n<z){const e=this._tmpPoint;e.x=s.centerX,e.y=s.centerY,e.z=a,r=A(e,this._elevationProvider,u,c)-a}const l=o>0,h=l?this._tmpObb:t;return s.transform(h,this._indexSR,this._renderSR,r,this._renderSRSphericalPCPF,this._indexSRSphericalPCPF,this._projectorIndexSRToIndexSRSphericalPCPF),l&&q(h,0,o,this._viewingMode,t),t}}getNodeObbInRenderSRIndependentOfElevationOffset(e){{const t=e.visibilityObbInRenderSR??e.serviceObbInRenderSR??null;if(t?.isValid)return t}const t=e.serviceObbInIndexSR;return t?(t.transform(ee,this._indexSR,this._renderSR,void 0,this._renderSRSphericalPCPF,this._indexSRSphericalPCPF,this._projectorIndexSRToIndexSRSphericalPCPF),ee):null}ensureElevationAgnosticBoundingVolume(e){return-1===e.elevationAgnosticBoundingVolume[3]&&e.level>0&&(this._viewingMode===j.Global?this._updateElevationAgnosticBoundingVolumeGlobal(e):this._updateElevationAgnosticBoundingVolumeLocal(e)),e.elevationAgnosticBoundingVolume}_updateElevationAgnosticBoundingVolumeGlobal(t){const s=this.getNodeObbInRenderSRIndependentOfElevationOffset(t),o=t.elevationAgnosticBoundingVolume;let a,c=-1;if(s){const t=te;s.getCenter(t),e(t,t),a=t,s.getCorners(ie);for(const s of ie){e(s,s);const n=i(s,t);if(n<=0)return void(o[3]=-1);const r=Math.sqrt(1-n*n);c=Math.max(c,r)}}else{const i=t.serviceMbsInRenderSR;if(!N(i))return void(o[3]=-1);{const t=n(te,O(i)),s=i[3],u=r(t);if(u<s)return void(o[3]=-1);c=s/u,e(t,t),a=t}}v(o,a);const u=.001;o[3]=c+u}_updateElevationAgnosticBoundingVolumeLocal(e){const t=e.elevationAgnosticBoundingVolume,i=this.getNodeObbInRenderSRIndependentOfElevationOffset(e);if(i){const e=i.getCenter(te);e[2]=0,v(t,e);let s=0;const n=se;i.getCorners(ie);for(const t of ie){t[2]=0;const e=o(n,t);s=Math.max(s,e)}t[3]=Math.sqrt(s)}else{const i=e.serviceMbsInRenderSR;if(N(i)){const e=n(te,O(i));e[2]=0,v(t,e),t[3]=i[3]}}}isNodeVisible(e){const t=this.getServiceMbsInRenderSR(e);if(!this._isMBSinClippingArea(t))return!1;if(!this._useFrustumCulling)return!0;const i=this.getAndUpdateVisibilityObbInRenderSR(e);return i?i.doesIntersectFrustumConservativeApproximation(this._frustum):I(this._frustum,B(t))}isElevationAgnosticBoundingVolumeVisible(e){return!this._useFrustumCulling||(-1===e[3]||(this._viewingMode===j.Global?this._isConeVisibleInFrustum(e):this._isCylinderVisibleInFrustum(e)))}_isConeVisibleInFrustum(n){if(!this._isConeVisibleInFrustumMbs(n))return!1;const r=n[3];if(-1===r||r>.9)return!0;const o=this._frustumPlanes,c=this._frustumMbsCenter,u=n,l=i(u,c),h=this._frustumMbsRadius,d=l-h,m=l+h;if(d<=0)return!0;const _=a(K,u,d),p=a(Q,u,m),f=r/Math.sqrt(1-r*r);for(const v of o){const n=D(v),r=e($,n),o=i(r,u);if(Math.abs(1-o)<.01)continue;const c=ne;a(c,u,o),t(c,c,r),e(c,c);const l=re;s(l,_,c,d*f);if(E(v,l)<=0)continue;s(l,p,c,m*f);if(E(v,l)<=0)continue;return!1}return!0}_isConeVisibleInFrustumMbs(e){const t=e[3];if(t>.9)return!0;const s=this._frustumMbsRadius,n=this._frustumMbsCenter,o=r(n);if(o<=s)return!0;const u=e,l=i(u,n);{const e=a(J,u,l);if(c(e,n)<s)return!0}const h=l/o;if(l<=0){return-h<s}const d=Math.sqrt(1-h*h);if(d<t)return!0;const m=s/o;return d*Math.sqrt(1-m*m)-m*h<t}isObbVisibleIndependentOfElevation(e,t){if(!this._useFrustumCulling)return!0;if(-1===e[3])return!0;const s=this._frustumMbsRadius,n=this._frustumMbsCenter,r=this._frustumPlanes,o=ie;if(t.getCorners(o),this._viewingMode===j.Global){const t=e,c=i(t,n),u=c-s,l=c+s;if(u<=0)return!0;for(const e of r){let s=!0;for(const n of o){const r=i(n,t),o=oe;if(a(o,n,u/r),E(e,o)<=0){s=!1;break}const c=oe;if(a(c,n,l/r),E(e,c)<=0){s=!1;break}}if(s)return!1}}else{const e=n[2]-s,t=n[2]+s;for(const i of r){let s=!0;const n=D(i),r=n[0],a=n[1],c=n[2],u=i[3];for(const i of o){const n=r*i[0]+a*i[1]+u;if(n+c*e<=0||n+c*t<=0){s=!1;break}}if(s)return!1}}return!0}_isCylinderVisibleInFrustum(e){const t=this._frustumMbsCenter,i=this._frustumMbsRadius,s=n(J,t);s[2]=0;const r=e[3];return c(s,e)<=r+i}isGeometryVisible(e){if(!this._useFrustumCulling)return!0;const t=e.geometryObbInRenderSR;return t?.doesIntersectFrustumConservativeApproximation(this._frustum)??this.isNodeVisible(e)}_isMBSinClippingArea(e){return null==this._clippingArea||U(this._clippingArea,e)!==k.OUTSIDE}_screenSpaceDiameterMbs(e,t){const i=this.getServiceMbsInRenderSR(e),s=Math.sqrt(u(O(i),this._camPos)),n=s-i[3];return this._updateMinMaxDistance(s),n<0?.5*Number.MAX_VALUE:t/n*this._screenSizeFactor}calcCameraDistance(e){return this.calcCameraDistanceToCenter(e)-this.getServiceMbsInRenderSR(e)[3]}calcCameraDistanceToCenter(e){const t=this.getServiceMbsInRenderSR(e),i=l(O(t),this._camPos);return this._updateMinMaxDistance(i),i}calcAngleDependentLoD(e){const t=this.getServiceMbsInRenderSR(e),i=t[3],s=(Math.abs(t[0]*(t[0]-this._camPos[0])+t[1]*(t[1]-this._camPos[1])+t[2]*(t[2]-this._camPos[2]))/h(O(t))+i)/l(O(t),this._camPos);return Math.min(1,s)}hasLOD(e){return e.lodMetric!==G.None}_getDistanceGlobeMode(e,t){const s=h(O(t)),n=h(e)-s;a(this._tmp0,e,i(e,O(t))/d(e));const r=u(O(t),this._tmp0),o=t[3];if(r<=o*o)return Math.abs(n);{const r=a(this._tmp0,O(t),1/s),c=s,u=o*o/2/c,d=a(this._tmp1,r,c-u),p=e,f=m(this._tmp2,p,d),v=m(this._tmp2,f,a(this._tmp3,r,i(r,f))),g=_(this._tmp2,d,a(this._tmp2,v,o/h(v)));let b=l(p,g);if(n>=2e5){const e=m(this._tmp1,p,g);let t=i(e,r)/h(e);t<.08&&(t=1e-4),b/=t}return b}}_getDistance(e,t){return this._isGlobalMode?this._getDistanceGlobeMode(e,t):W(e,t)}_updateMinMaxDistance(e){e>0?(this.minDistance=Math.min(this.minDistance,e),this.maxDistance=Math.max(this.maxDistance,e)):(this.minDistance=0,this.maxDistance=Math.max(this.maxDistance,-e))}getLodLevel(e){if(e.lodMetric===G.None)return 0;if(0===e.childCount)return this.maxLodLevel;if(this._useFrustumCulling&&this._progressiveLoadFactor<1){const t=this._progressiveLoadFactor*this._screenspaceErrorBias,i=this._screenspaceErrorBias;return this.evaluateLODmetric(e,t)?this.evaluateLODmetric(e,i)?2:1:0}return this.evaluateLODmetric(e,this._screenspaceErrorBias)?this.maxLodLevel:0}evaluateLODmetric(e,t){switch(e.lodMetric){case G.ScreenSpaceRelative:{const i=this.getServiceMbsInRenderSR(e),s=this._getDistance(this._camPos,i),n=2*s/this._screenSizeFactor,r=s+i[3];return this._updateMinMaxDistance(r),e.maxError*t<=n}case G.MaxScreenThreshold:{let i=this._screenSpaceDiameterMbs(e,e.serviceMbsInIndexSR[3]*t);return this._options.angleDependentLoD&&(i*=this.calcAngleDependentLoD(e)),i<e.maxError}case G.RemovedFeatureDiameter:return this._screenSpaceDiameterMbs(e,e.maxError)*t<10;case G.DistanceRangeFromDefaultCamera:return this.calcCameraDistance(e)>e.maxError*t}return!1}distToPOI(e){const t=this.getServiceMbsInRenderSR(e);return l(O(t),this._poi)-t[3]}distCameraToPOI(){return l(this._camPos,this._poi)}}function W(e,t){const i=e[0]-t[0],s=e[1]-t[1],n=e[2]-t[2],r=i*i+s*s,o=t[3];if(r<=o*o)return Math.abs(n);const a=Math.sqrt(r)-o;return Math.sqrt(n*n+a*a)}const Z=p(),X=P(),Y=p(),J=p(),K=p(),Q=p(),$=p(),ee=new T,te=p(),ie=[p(),p(),p(),p(),p(),p(),p(),p()],se=p(),ne=p(),re=p(),oe=p();export{H as default};