createPolygonGeometry.js

/**
 * Cesium - https://github.com/CesiumGS/cesium
 *
 * Copyright 2011-2020 Cesium Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Columbus View (Pat. Pend.)
 *
 * Portions licensed separately.
 * See https://github.com/CesiumGS/cesium/blob/master/LICENSE.md for full licensing details.
 */
define(["./when-60b00257","./Check-4274a1fd","./Math-9d37f659","./Cartesian2-2951f601","./Transforms-53ff6d12","./RuntimeError-027c380a","./WebGLConstants-779bf0bc","./ComponentDatatype-a29c6075","./GeometryAttribute-2f728681","./GeometryAttributes-130e4d69","./AttributeCompression-a0720a96","./GeometryPipeline-7b394c2b","./EncodedCartesian3-c262bebc","./IndexDatatype-527cbd94","./IntersectionTests-57fe18b2","./Plane-df4a621e","./GeometryOffsetAttribute-8756c94a","./VertexFormat-6af5bab1","./GeometryInstance-9e435e40","./arrayRemoveDuplicates-ac049603","./BoundingRectangle-762cb49e","./EllipsoidTangentPlane-f9b097b8","./ArcType-a321d0d9","./EllipsoidRhumbLine-cbcd6a13","./PolygonPipeline-72c6abb2","./PolygonGeometryLibrary-a2bb8196","./EllipsoidGeodesic-0d3740b4"],function(Y,e,U,j,Q,t,r,q,K,a,o,D,i,L,n,s,Z,b,N,l,u,H,c,p,R,M,y){"use strict";var m=new j.Cartographic,g=new j.Cartographic;function J(e,t,r,a){var o=a.cartesianToCartographic(e,m).height,i=a.cartesianToCartographic(t,g);i.height=o,a.cartographicToCartesian(i,t);var n=a.cartesianToCartographic(r,g);n.height=o-100,a.cartographicToCartesian(n,r)}var S=new u.BoundingRectangle,X=new j.Cartesian3,$=new j.Cartesian3,ee=new j.Cartesian3,te=new j.Cartesian3,re=new j.Cartesian3,ae=new j.Cartesian3,oe=new j.Cartesian3,ie=new j.Cartesian3,ne=new j.Cartesian3,se=new j.Cartesian2,le=new j.Cartesian2,ue=new j.Cartesian3,pe=new Q.Quaternion,ce=new Q.Matrix3,ye=new Q.Matrix3;function B(e){var t=e.vertexFormat,r=e.geometry,a=e.shadowVolume,o=r.attributes.position.values,i=o.length,n=e.wall,s=e.top||n,l=e.bottom||n;if(t.st||t.normal||t.tangent||t.bitangent||a){var u=e.boundingRectangle,p=e.tangentPlane,c=e.ellipsoid,y=e.stRotation,m=e.perPositionHeight,g=se;g.x=u.x,g.y=u.y;var d,h=t.st?new Float32Array(i/3*2):void 0;t.normal&&(d=m&&s&&!n?r.attributes.normal.values:new Float32Array(i));var f=t.tangent?new Float32Array(i):void 0,b=t.bitangent?new Float32Array(i):void 0,v=a?new Float32Array(i):void 0,_=0,P=0,C=$,w=ee,x=te,T=!0,I=ce,A=ye;if(0!==y){var E=Q.Quaternion.fromAxisAngle(p._plane.normal,y,pe);I=Q.Matrix3.fromQuaternion(E,I),E=Q.Quaternion.fromAxisAngle(p._plane.normal,-y,pe),A=Q.Matrix3.fromQuaternion(E,A)}else I=Q.Matrix3.clone(Q.Matrix3.IDENTITY,I),A=Q.Matrix3.clone(Q.Matrix3.IDENTITY,A);var G=0,O=0;s&&l&&(G=i/2,O=i/3,i/=2);for(var V=0;V<i;V+=3){var F=j.Cartesian3.fromArray(o,V,ue);if(t.st){var D=Q.Matrix3.multiplyByVector(I,F,X);D=c.scaleToGeodeticSurface(D,D);var L=p.projectPointOntoPlane(D,le);j.Cartesian2.subtract(L,g,L);var N=U.CesiumMath.clamp(L.x/u.width,0,1),H=U.CesiumMath.clamp(L.y/u.height,0,1);l&&(h[_+O]=N,h[_+1+O]=H),s&&(h[_]=N,h[_+1]=H),_+=2}if(t.normal||t.tangent||t.bitangent||a){var R=P+1,M=P+2;if(n){if(V+3<i){var S=j.Cartesian3.fromArray(o,V+3,re);if(T){var B=j.Cartesian3.fromArray(o,V+i,ae);m&&J(F,S,B,c),j.Cartesian3.subtract(S,F,S),j.Cartesian3.subtract(B,F,B),C=j.Cartesian3.normalize(j.Cartesian3.cross(B,S,C),C),T=!1}j.Cartesian3.equalsEpsilon(S,F,U.CesiumMath.EPSILON10)&&(T=!0)}(t.tangent||t.bitangent)&&(x=c.geodeticSurfaceNormal(F,x),t.tangent&&(w=j.Cartesian3.normalize(j.Cartesian3.cross(x,C,w),w)))}else C=c.geodeticSurfaceNormal(F,C),(t.tangent||t.bitangent)&&(m&&(oe=j.Cartesian3.fromArray(d,P,oe),ie=j.Cartesian3.cross(j.Cartesian3.UNIT_Z,oe,ie),ie=j.Cartesian3.normalize(Q.Matrix3.multiplyByVector(A,ie,ie),ie),t.bitangent&&(ne=j.Cartesian3.normalize(j.Cartesian3.cross(oe,ie,ne),ne))),w=j.Cartesian3.cross(j.Cartesian3.UNIT_Z,C,w),w=j.Cartesian3.normalize(Q.Matrix3.multiplyByVector(A,w,w),w),t.bitangent&&(x=j.Cartesian3.normalize(j.Cartesian3.cross(C,w,x),x)));t.normal&&(e.wall?(d[P+G]=C.x,d[R+G]=C.y,d[M+G]=C.z):l&&(d[P+G]=-C.x,d[R+G]=-C.y,d[M+G]=-C.z),(s&&!m||n)&&(d[P]=C.x,d[R]=C.y,d[M]=C.z)),a&&(n&&(C=c.geodeticSurfaceNormal(F,C)),v[P+G]=-C.x,v[R+G]=-C.y,v[M+G]=-C.z),t.tangent&&(e.wall?(f[P+G]=w.x,f[R+G]=w.y,f[M+G]=w.z):l&&(f[P+G]=-w.x,f[R+G]=-w.y,f[M+G]=-w.z),s&&(m?(f[P]=ie.x,f[R]=ie.y,f[M]=ie.z):(f[P]=w.x,f[R]=w.y,f[M]=w.z))),t.bitangent&&(l&&(b[P+G]=x.x,b[R+G]=x.y,b[M+G]=x.z),s&&(m?(b[P]=ne.x,b[R]=ne.y,b[M]=ne.z):(b[P]=x.x,b[R]=x.y,b[M]=x.z))),P+=3}}t.st&&(r.attributes.st=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:h})),t.normal&&(r.attributes.normal=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:d})),t.tangent&&(r.attributes.tangent=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:f})),t.bitangent&&(r.attributes.bitangent=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:b})),a&&(r.attributes.extrudeDirection=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:v}))}if(e.extrude&&Y.defined(e.offsetAttribute)){var k=o.length/3,z=new Uint8Array(k);if(e.offsetAttribute===Z.GeometryOffsetAttribute.TOP)s&&l||n?z=Z.arrayFill(z,1,0,k/2):s&&(z=Z.arrayFill(z,1));else{var W=e.offsetAttribute===Z.GeometryOffsetAttribute.NONE?0:1;z=Z.arrayFill(z,W)}r.attributes.applyOffset=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:z})}return r}var d=new j.Cartographic,h=new j.Cartographic,f={westOverIDL:0,eastOverIDL:0},v=new y.EllipsoidGeodesic;function _(e,t,r,a,o){if(o=Y.defaultValue(o,new j.Rectangle),!Y.defined(e)||e.length<3)return o.west=0,o.north=0,o.south=0,o.east=0,o;if(r===c.ArcType.RHUMB)return j.Rectangle.fromCartesianArray(e,t,o);v.ellipsoid.equals(t)||(v=new y.EllipsoidGeodesic(void 0,void 0,t)),o.west=Number.POSITIVE_INFINITY,o.east=Number.NEGATIVE_INFINITY,o.south=Number.POSITIVE_INFINITY,o.north=Number.NEGATIVE_INFINITY,f.westOverIDL=Number.POSITIVE_INFINITY,f.eastOverIDL=Number.NEGATIVE_INFINITY;for(var i,n=1/U.CesiumMath.chordLength(a,t.maximumRadius),s=e.length,l=t.cartesianToCartographic(e[0],h),u=d,p=1;p<s;p++)i=u,u=l,l=t.cartesianToCartographic(e[p],i),v.setEndPoints(u,l),C(v,n,o,f);return i=u,u=l,l=t.cartesianToCartographic(e[0],i),v.setEndPoints(u,l),C(v,n,o,f),o.east-o.west>f.eastOverIDL-f.westOverIDL&&(o.west=f.westOverIDL,o.east=f.eastOverIDL,o.east>U.CesiumMath.PI&&(o.east=o.east-U.CesiumMath.TWO_PI),o.west>U.CesiumMath.PI&&(o.west=o.west-U.CesiumMath.TWO_PI)),o}var P=new j.Cartographic;function C(e,t,r,a){for(var o=e.surfaceDistance,i=Math.ceil(o*t),n=0<i?o/(i-1):Number.POSITIVE_INFINITY,s=0,l=0;l<i;l++){var u=e.interpolateUsingSurfaceDistance(s,P);s+=n;var p=u.longitude,c=u.latitude;r.west=Math.min(r.west,p),r.east=Math.max(r.east,p),r.south=Math.min(r.south,c),r.north=Math.max(r.north,c);var y=0<=p?p:p+U.CesiumMath.TWO_PI;a.westOverIDL=Math.min(a.westOverIDL,y),a.eastOverIDL=Math.max(a.eastOverIDL,y)}}var O=[];function k(e,t,r,a,o,i,n,s,l){var u,p={walls:[]};if(i||n){var c,y,m=M.PolygonGeometryLibrary.createGeometryFromPositions(e,t,r,o,s,l),g=m.attributes.position.values,d=m.indices;if(i&&n){var h=g.concat(g);c=h.length/3,(y=L.IndexDatatype.createTypedArray(c,2*d.length)).set(d);var f=d.length,b=c/2;for(u=0;u<f;u+=3){var v=y[u]+b,_=y[u+1]+b,P=y[u+2]+b;y[u+f]=P,y[u+1+f]=_,y[u+2+f]=v}if(m.attributes.position.values=h,o&&s.normal){var C=m.attributes.normal.values;m.attributes.normal.values=new Float32Array(h.length),m.attributes.normal.values.set(C)}m.indices=y}else if(n){for(c=g.length/3,y=L.IndexDatatype.createTypedArray(c,d.length),u=0;u<d.length;u+=3)y[u]=d[u+2],y[u+1]=d[u+1],y[u+2]=d[u];m.indices=y}p.topAndBottom=new N.GeometryInstance({geometry:m})}var w=a.outerRing,x=H.EllipsoidTangentPlane.fromPoints(w,e),T=x.projectPointsOntoPlane(w,O),I=R.PolygonPipeline.computeWindingOrder2D(T);I===R.WindingOrder.CLOCKWISE&&(w=w.slice().reverse());var A=M.PolygonGeometryLibrary.computeWallGeometry(w,e,r,o,l);p.walls.push(new N.GeometryInstance({geometry:A}));var E=a.holes;for(u=0;u<E.length;u++){var G=E[u];T=(x=H.EllipsoidTangentPlane.fromPoints(G,e)).projectPointsOntoPlane(G,O),(I=R.PolygonPipeline.computeWindingOrder2D(T))===R.WindingOrder.COUNTER_CLOCKWISE&&(G=G.slice().reverse()),A=M.PolygonGeometryLibrary.computeWallGeometry(G,e,r,o,l),p.walls.push(new N.GeometryInstance({geometry:A}))}return p}function w(e){var t=e.polygonHierarchy,r=Y.defaultValue(e.vertexFormat,b.VertexFormat.DEFAULT),a=Y.defaultValue(e.ellipsoid,j.Ellipsoid.WGS84),o=Y.defaultValue(e.granularity,U.CesiumMath.RADIANS_PER_DEGREE),i=Y.defaultValue(e.stRotation,0),n=Y.defaultValue(e.perPositionHeight,!1),s=n&&Y.defined(e.extrudedHeight),l=Y.defaultValue(e.height,0),u=Y.defaultValue(e.extrudedHeight,l);if(!s){var p=Math.max(l,u);u=Math.min(l,u),l=p}this._vertexFormat=b.VertexFormat.clone(r),this._ellipsoid=j.Ellipsoid.clone(a),this._granularity=o,this._stRotation=i,this._height=l,this._extrudedHeight=u,this._closeTop=Y.defaultValue(e.closeTop,!0),this._closeBottom=Y.defaultValue(e.closeBottom,!0),this._polygonHierarchy=t,this._perPositionHeight=n,this._perPositionHeightExtrude=s,this._shadowVolume=Y.defaultValue(e.shadowVolume,!1),this._workerName="createPolygonGeometry",this._offsetAttribute=e.offsetAttribute,this._arcType=Y.defaultValue(e.arcType,c.ArcType.GEODESIC),this._rectangle=void 0,this._textureCoordinateRotationPoints=void 0,this.packedLength=M.PolygonGeometryLibrary.computeHierarchyPackedLength(t)+j.Ellipsoid.packedLength+b.VertexFormat.packedLength+12}w.fromPositions=function(e){return new w({polygonHierarchy:{positions:(e=Y.defaultValue(e,Y.defaultValue.EMPTY_OBJECT)).positions},height:e.height,extrudedHeight:e.extrudedHeight,vertexFormat:e.vertexFormat,stRotation:e.stRotation,ellipsoid:e.ellipsoid,granularity:e.granularity,perPositionHeight:e.perPositionHeight,closeTop:e.closeTop,closeBottom:e.closeBottom,offsetAttribute:e.offsetAttribute,arcType:e.arcType})},w.pack=function(e,t,r){return r=Y.defaultValue(r,0),r=M.PolygonGeometryLibrary.packPolygonHierarchy(e._polygonHierarchy,t,r),j.Ellipsoid.pack(e._ellipsoid,t,r),r+=j.Ellipsoid.packedLength,b.VertexFormat.pack(e._vertexFormat,t,r),r+=b.VertexFormat.packedLength,t[r++]=e._height,t[r++]=e._extrudedHeight,t[r++]=e._granularity,t[r++]=e._stRotation,t[r++]=e._perPositionHeightExtrude?1:0,t[r++]=e._perPositionHeight?1:0,t[r++]=e._closeTop?1:0,t[r++]=e._closeBottom?1:0,t[r++]=e._shadowVolume?1:0,t[r++]=Y.defaultValue(e._offsetAttribute,-1),t[r++]=e._arcType,t[r]=e.packedLength,t};var x=j.Ellipsoid.clone(j.Ellipsoid.UNIT_SPHERE),T=new b.VertexFormat,I={polygonHierarchy:{}};return w.unpack=function(e,t,r){t=Y.defaultValue(t,0);var a=M.PolygonGeometryLibrary.unpackPolygonHierarchy(e,t);t=a.startingIndex,delete a.startingIndex;var o=j.Ellipsoid.unpack(e,t,x);t+=j.Ellipsoid.packedLength;var i=b.VertexFormat.unpack(e,t,T);t+=b.VertexFormat.packedLength;var n=e[t++],s=e[t++],l=e[t++],u=e[t++],p=1===e[t++],c=1===e[t++],y=1===e[t++],m=1===e[t++],g=1===e[t++],d=e[t++],h=e[t++],f=e[t];return Y.defined(r)||(r=new w(I)),r._polygonHierarchy=a,r._ellipsoid=j.Ellipsoid.clone(o,r._ellipsoid),r._vertexFormat=b.VertexFormat.clone(i,r._vertexFormat),r._height=n,r._extrudedHeight=s,r._granularity=l,r._stRotation=u,r._perPositionHeightExtrude=p,r._perPositionHeight=c,r._closeTop=y,r._closeBottom=m,r._shadowVolume=g,r._offsetAttribute=-1===d?void 0:d,r._arcType=h,r.packedLength=f,r},w.computeRectangle=function(e,t){var r=Y.defaultValue(e.granularity,U.CesiumMath.RADIANS_PER_DEGREE),a=Y.defaultValue(e.arcType,c.ArcType.GEODESIC),o=e.polygonHierarchy,i=Y.defaultValue(e.ellipsoid,j.Ellipsoid.WGS84);return _(o.positions,i,a,r,t)},w.createGeometry=function(e){var t=e._vertexFormat,r=e._ellipsoid,a=e._granularity,o=e._stRotation,i=e._polygonHierarchy,n=e._perPositionHeight,s=e._closeTop,l=e._closeBottom,u=e._arcType,p=i.positions;if(!(p.length<3)){var c=H.EllipsoidTangentPlane.fromPoints(p,r),y=M.PolygonGeometryLibrary.polygonsFromHierarchy(i,c.projectPointsOntoPlane.bind(c),!n,r),m=y.hierarchy,g=y.polygons;if(0!==m.length){p=m[0].outerRing;var d,h=M.PolygonGeometryLibrary.computeBoundingRectangle(c.plane.normal,c.projectPointOntoPlane.bind(c),p,o,S),f=[],b=e._height,v=e._extrudedHeight,_={perPositionHeight:n,vertexFormat:t,geometry:void 0,tangentPlane:c,boundingRectangle:h,ellipsoid:r,stRotation:o,bottom:!1,top:!0,wall:!1,extrude:!1,arcType:u};if(e._perPositionHeightExtrude||!U.CesiumMath.equalsEpsilon(b,v,0,U.CesiumMath.EPSILON2))for(_.extrude=!0,_.top=s,_.bottom=l,_.shadowVolume=e._shadowVolume,_.offsetAttribute=e._offsetAttribute,d=0;d<g.length;d++){var P,C=k(r,g[d],a,m[d],n,s,l,t,u);s&&l?(P=C.topAndBottom,_.geometry=M.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(P.geometry,b,v,r,n)):s?((P=C.topAndBottom).geometry.attributes.position.values=R.PolygonPipeline.scaleToGeodeticHeight(P.geometry.attributes.position.values,b,r,!n),_.geometry=P.geometry):l&&((P=C.topAndBottom).geometry.attributes.position.values=R.PolygonPipeline.scaleToGeodeticHeight(P.geometry.attributes.position.values,v,r,!0),_.geometry=P.geometry),(s||l)&&(_.wall=!1,P.geometry=B(_),f.push(P));var w=C.walls;_.wall=!0;for(var x=0;x<w.length;x++){var T=w[x];_.geometry=M.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(T.geometry,b,v,r,n),T.geometry=B(_),f.push(T)}}else for(d=0;d<g.length;d++){var I=new N.GeometryInstance({geometry:M.PolygonGeometryLibrary.createGeometryFromPositions(r,g[d],a,n,t,u)});if(I.geometry.attributes.position.values=R.PolygonPipeline.scaleToGeodeticHeight(I.geometry.attributes.position.values,b,r,!n),_.geometry=I.geometry,I.geometry=B(_),Y.defined(e._offsetAttribute)){var A=I.geometry.attributes.position.values.length,E=new Uint8Array(A/3),G=e._offsetAttribute===Z.GeometryOffsetAttribute.NONE?0:1;Z.arrayFill(E,G),I.geometry.attributes.applyOffset=new K.GeometryAttribute({componentDatatype:q.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:E})}f.push(I)}var O=D.GeometryPipeline.combineInstances(f)[0];O.attributes.position.values=new Float64Array(O.attributes.position.values),O.indices=L.IndexDatatype.createTypedArray(O.attributes.position.values.length/3,O.indices);var V=O.attributes,F=Q.BoundingSphere.fromVertices(V.position.values);return t.position||delete V.position,new K.Geometry({attributes:V,indices:O.indices,primitiveType:O.primitiveType,boundingSphere:F,offsetAttribute:e._offsetAttribute})}}},w.createShadowVolume=function(e,t,r){var a=e._granularity,o=e._ellipsoid,i=t(a,o),n=r(a,o);return new w({polygonHierarchy:e._polygonHierarchy,ellipsoid:o,stRotation:e._stRotation,granularity:a,perPositionHeight:!1,extrudedHeight:i,height:n,vertexFormat:b.VertexFormat.POSITION_ONLY,shadowVolume:!0,arcType:e._arcType})},Object.defineProperties(w.prototype,{rectangle:{get:function(){if(!Y.defined(this._rectangle)){var e=this._polygonHierarchy.positions;this._rectangle=_(e,this._ellipsoid,this._arcType,this._granularity)}return this._rectangle}},textureCoordinateRotationPoints:{get:function(){return Y.defined(this._textureCoordinateRotationPoints)||(this._textureCoordinateRotationPoints=function(e){var t=-e._stRotation;if(0==t)return[0,0,0,1,1,0];var r=e._ellipsoid,a=e._polygonHierarchy.positions,o=e.rectangle;return K.Geometry._textureCoordinateRotationPoints(a,t,r,o)}(this)),this._textureCoordinateRotationPoints}}}),function(e,t){return Y.defined(t)&&(e=w.unpack(e,t)),e._ellipsoid=j.Ellipsoid.clone(e._ellipsoid),w.createGeometry(e)}});