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createPolygonOutlineGeometry.js

createPolygonOutlineGeometry.js 8.2 KB
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  1. /**
    2. 

  2.  * @license
    3. 

  3.  * Cesium - https://github.com/CesiumGS/cesium
    4. 

  4.  * Version 1.95
    5. 

  5.  *
    6. 

  6.  * Copyright 2011-2022 Cesium Contributors
    7. 

  7.  *
    8. 

  8.  * Licensed under the Apache License, Version 2.0 (the "License");
    9. 

  9.  * you may not use this file except in compliance with the License.
    10. 

  10.  * You may obtain a copy of the License at
    11. 

  11.  *
    12. 

  12.  * http://www.apache.org/licenses/LICENSE-2.0
    13. 

  13.  *
    14. 

  14.  * Unless required by applicable law or agreed to in writing, software
    15. 

  15.  * distributed under the License is distributed on an "AS IS" BASIS,
    16. 

  16.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17. 

  17.  * See the License for the specific language governing permissions and
    18. 

  18.  * limitations under the License.
    19. 

  19.  *
    20. 

  20.  * Columbus View (Pat. Pend.)
    21. 

  21.  *
    22. 

  22.  * Portions licensed separately.
    23. 

  23.  * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
    24. 

  24.  */
    25. 

  25. define(["./defaultValue-97284df2","./Matrix2-73789715","./ArcType-de5d8777","./Transforms-d3d3b2a9","./RuntimeError-4f8ec8a2","./ComponentDatatype-e7fbe225","./EllipsoidTangentPlane-7ae496b2","./GeometryAttribute-fd1d7e90","./GeometryAttributes-734a3446","./GeometryInstance-4bfcfe78","./GeometryOffsetAttribute-59b14f45","./GeometryPipeline-a847e31f","./IndexDatatype-65271ba3","./PolygonGeometryLibrary-c8ae4a5a","./PolygonPipeline-9bda6d1d","./_commonjsHelpers-3aae1032-65601a27","./combine-d11b1f00","./WebGLConstants-6da700a2","./AxisAlignedBoundingBox-b1c095aa","./IntersectionTests-33ace2d6","./Plane-e916220d","./AttributeCompression-5744d52e","./EncodedCartesian3-a9a8a281","./arrayRemoveDuplicates-6f91355d","./EllipsoidRhumbLine-60f14314"],(function(e,t,i,o,r,n,a,s,l,y,u,p,d,c,f,g,m,h,b,P,E,A,_,G,L){"use strict";const H=[],T=[];function v(e,t,o,r,u){const p=a.EllipsoidTangentPlane.fromPoints(t,e).projectPointsOntoPlane(t,H);let g,m;f.PolygonPipeline.computeWindingOrder2D(p)===f.WindingOrder.CLOCKWISE&&(p.reverse(),t=t.slice().reverse());let h=t.length,b=0;if(r)for(g=new Float64Array(2*h*3),m=0;m<h;m++){const e=t[m],i=t[(m+1)%h];g[b++]=e.x,g[b++]=e.y,g[b++]=e.z,g[b++]=i.x,g[b++]=i.y,g[b++]=i.z}else{let r=0;if(u===i.ArcType.GEODESIC)for(m=0;m<h;m++)r+=c.PolygonGeometryLibrary.subdivideLineCount(t[m],t[(m+1)%h],o);else if(u===i.ArcType.RHUMB)for(m=0;m<h;m++)r+=c.PolygonGeometryLibrary.subdivideRhumbLineCount(e,t[m],t[(m+1)%h],o);for(g=new Float64Array(3*r),m=0;m<h;m++){let r;u===i.ArcType.GEODESIC?r=c.PolygonGeometryLibrary.subdivideLine(t[m],t[(m+1)%h],o,T):u===i.ArcType.RHUMB&&(r=c.PolygonGeometryLibrary.subdivideRhumbLine(e,t[m],t[(m+1)%h],o,T));const n=r.length;for(let e=0;e<n;++e)g[b++]=r[e]}}h=g.length/3;const P=2*h,E=d.IndexDatatype.createTypedArray(h,P);for(b=0,m=0;m<h-1;m++)E[b++]=m,E[b++]=m+1;return E[b++]=h-1,E[b++]=0,new y.GeometryInstance({geometry:new s.Geometry({attributes:new l.GeometryAttributes({position:new s.GeometryAttribute({componentDatatype:n.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:g})}),indices:E,primitiveType:s.PrimitiveType.LINES})})}function C(e,t,o,r,u){const p=a.EllipsoidTangentPlane.fromPoints(t,e).projectPointsOntoPlane(t,H);let g,m;f.PolygonPipeline.computeWindingOrder2D(p)===f.WindingOrder.CLOCKWISE&&(p.reverse(),t=t.slice().reverse());let h=t.length;const b=new Array(h);let P=0;if(r)for(g=new Float64Array(2*h*3*2),m=0;m<h;++m){b[m]=P/3;const e=t[m],i=t[(m+1)%h];g[P++]=e.x,g[P++]=e.y,g[P++]=e.z,g[P++]=i.x,g[P++]=i.y,g[P++]=i.z}else{let r=0;if(u===i.ArcType.GEODESIC)for(m=0;m<h;m++)r+=c.PolygonGeometryLibrary.subdivideLineCount(t[m],t[(m+1)%h],o);else if(u===i.ArcType.RHUMB)for(m=0;m<h;m++)r+=c.PolygonGeometryLibrary.subdivideRhumbLineCount(e,t[m],t[(m+1)%h],o);for(g=new Float64Array(3*r*2),m=0;m<h;++m){let r;b[m]=P/3,u===i.ArcType.GEODESIC?r=c.PolygonGeometryLibrary.subdivideLine(t[m],t[(m+1)%h],o,T):u===i.ArcType.RHUMB&&(r=c.PolygonGeometryLibrary.subdivideRhumbLine(e,t[m],t[(m+1)%h],o,T));const n=r.length;for(let e=0;e<n;++e)g[P++]=r[e]}}h=g.length/6;const E=b.length,A=2*(2*h+E),_=d.IndexDatatype.createTypedArray(h+E,A);for(P=0,m=0;m<h;++m)_[P++]=m,_[P++]=(m+1)%h,_[P++]=m+h,_[P++]=(m+1)%h+h;for(m=0;m<E;m++){const e=b[m];_[P++]=e,_[P++]=e+h}return new y.GeometryInstance({geometry:new s.Geometry({attributes:new l.GeometryAttributes({position:new s.GeometryAttribute({componentDatatype:n.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:g})}),indices:_,primitiveType:s.PrimitiveType.LINES})})}function O(o){const r=o.polygonHierarchy,a=e.defaultValue(o.ellipsoid,t.Ellipsoid.WGS84),s=e.defaultValue(o.granularity,n.CesiumMath.RADIANS_PER_DEGREE),l=e.defaultValue(o.perPositionHeight,!1),y=l&&e.defined(o.extrudedHeight),u=e.defaultValue(o.arcType,i.ArcType.GEODESIC);let p=e.defaultValue(o.height,0),d=e.defaultValue(o.extrudedHeight,p);if(!y){const e=Math.max(p,d);d=Math.min(p,d),p=e}this._ellipsoid=t.Ellipsoid.clone(a),this._granularity=s,this._height=p,this._extrudedHeight=d,this._arcType=u,this._polygonHierarchy=r,this._perPositionHeight=l,this._perPositionHeightExtrude=y,this._offsetAttribute=o.offsetAttribute,this._workerName="createPolygonOutlineGeometry",this.packedLength=c.PolygonGeometryLibrary.computeHierarchyPackedLength(r,t.Cartesian3)+t.Ellipsoid.packedLength+8}O.pack=function(i,o,r){return r=e.defaultValue(r,0),r=c.PolygonGeometryLibrary.packPolygonHierarchy(i._polygonHierarchy,o,r,t.Cartesian3),t.Ellipsoid.pack(i._ellipsoid,o,r),r+=t.Ellipsoid.packedLength,o[r++]=i._height,o[r++]=i._extrudedHeight,o[r++]=i._granularity,o[r++]=i._perPositionHeightExtrude?1:0,o[r++]=i._perPositionHeight?1:0,o[r++]=i._arcType,o[r++]=e.defaultValue(i._offsetAttribute,-1),o[r]=i.packedLength,o};const x=t.Ellipsoid.clone(t.Ellipsoid.UNIT_SPHERE),D={polygonHierarchy:{}};return O.unpack=function(i,o,r){o=e.defaultValue(o,0);const n=c.PolygonGeometryLibrary.unpackPolygonHierarchy(i,o,t.Cartesian3);o=n.startingIndex,delete n.startingIndex;const a=t.Ellipsoid.unpack(i,o,x);o+=t.Ellipsoid.packedLength;const s=i[o++],l=i[o++],y=i[o++],u=1===i[o++],p=1===i[o++],d=i[o++],f=i[o++],g=i[o];return e.defined(r)||(r=new O(D)),r._polygonHierarchy=n,r._ellipsoid=t.Ellipsoid.clone(a,r._ellipsoid),r._height=s,r._extrudedHeight=l,r._granularity=y,r._perPositionHeight=p,r._perPositionHeightExtrude=u,r._arcType=d,r._offsetAttribute=-1===f?void 0:f,r.packedLength=g,r},O.fromPositions=function(t){return new O({polygonHierarchy:{positions:(t=e.defaultValue(t,e.defaultValue.EMPTY_OBJECT)).positions},height:t.height,extrudedHeight:t.extrudedHeight,ellipsoid:t.ellipsoid,granularity:t.granularity,perPositionHeight:t.perPositionHeight,arcType:t.arcType,offsetAttribute:t.offsetAttribute})},O.createGeometry=function(t){const i=t._ellipsoid,r=t._granularity,a=t._polygonHierarchy,l=t._perPositionHeight,y=t._arcType,d=c.PolygonGeometryLibrary.polygonOutlinesFromHierarchy(a,!l,i);if(0===d.length)return;let g;const m=[],h=n.CesiumMath.chordLength(r,i.maximumRadius),b=t._height,P=t._extrudedHeight;let E,A;if(t._perPositionHeightExtrude||!n.CesiumMath.equalsEpsilon(b,P,0,n.CesiumMath.EPSILON2))for(A=0;A<d.length;A++){if(g=C(i,d[A],h,l,y),g.geometry=c.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(g.geometry,b,P,i,l),e.defined(t._offsetAttribute)){const e=g.geometry.attributes.position.values.length/3;let i=new Uint8Array(e);t._offsetAttribute===u.GeometryOffsetAttribute.TOP?i=i.fill(1,0,e/2):(E=t._offsetAttribute===u.GeometryOffsetAttribute.NONE?0:1,i=i.fill(E)),g.geometry.attributes.applyOffset=new s.GeometryAttribute({componentDatatype:n.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:i})}m.push(g)}else for(A=0;A<d.length;A++){if(g=v(i,d[A],h,l,y),g.geometry.attributes.position.values=f.PolygonPipeline.scaleToGeodeticHeight(g.geometry.attributes.position.values,b,i,!l),e.defined(t._offsetAttribute)){const e=g.geometry.attributes.position.values.length;E=t._offsetAttribute===u.GeometryOffsetAttribute.NONE?0:1;const i=new Uint8Array(e/3).fill(E);g.geometry.attributes.applyOffset=new s.GeometryAttribute({componentDatatype:n.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:i})}m.push(g)}const _=p.GeometryPipeline.combineInstances(m)[0],G=o.BoundingSphere.fromVertices(_.attributes.position.values);return new s.Geometry({attributes:_.attributes,indices:_.indices,primitiveType:_.primitiveType,boundingSphere:G,offsetAttribute:t._offsetAttribute})},function(i,o){return e.defined(o)&&(i=O.unpack(i,o)),i._ellipsoid=t.Ellipsoid.clone(i._ellipsoid),O.createGeometry(i)}}));
    26.