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cesium_nxmap
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createPolygonOutlineGeometry.js

createPolygonOutlineGeometry.js 7.2 KB
文件历史 原始文件

1 
  1. define(["./when-54c2dc71","./Check-6c0211bc","./Math-fc8cecf5","./Cartesian2-bddc1162","./Transforms-ec27f304","./RuntimeError-2109023a","./WebGLConstants-76bb35d1","./ComponentDatatype-6d99a1ee","./GeometryAttribute-44fb48f1","./GeometryAttributes-4fcfcf40","./AttributeCompression-9fc99391","./GeometryPipeline-b49b2e59","./EncodedCartesian3-e9c71cf0","./IndexDatatype-53503fee","./IntersectionTests-2626c9e9","./Plane-231f1723","./GeometryOffsetAttribute-7350d9af","./GeometryInstance-11f9a3bd","./arrayRemoveDuplicates-ebc732b0","./EllipsoidTangentPlane-ed172748","./ArcType-dc1c5aee","./EllipsoidRhumbLine-c704bf4c","./PolygonPipeline-ff364b47","./PolygonGeometryLibrary-29b9a52e"],function(E,e,v,c,A,t,i,_,G,L,r,T,o,H,n,a,C,O,l,D,x,s,I,w){"use strict";var S=[],k=[];function f(e){var t,i=e.polygonHierarchy,r=E.defaultValue(e.ellipsoid,c.Ellipsoid.WGS84),o=E.defaultValue(e.granularity,v.CesiumMath.RADIANS_PER_DEGREE),n=E.defaultValue(e.perPositionHeight,!1),a=n&&E.defined(e.extrudedHeight),l=E.defaultValue(e.arcType,x.ArcType.GEODESIC),s=E.defaultValue(e.height,0),y=E.defaultValue(e.extrudedHeight,s);a||(t=Math.max(s,y),y=Math.min(s,y),s=t),this._ellipsoid=c.Ellipsoid.clone(r),this._granularity=o,this._height=s,this._extrudedHeight=y,this._arcType=l,this._polygonHierarchy=i,this._perPositionHeight=n,this._perPositionHeightExtrude=a,this._offsetAttribute=e.offsetAttribute,this._workerName="createPolygonOutlineGeometry",this.packedLength=w.PolygonGeometryLibrary.computeHierarchyPackedLength(i)+c.Ellipsoid.packedLength+8}f.pack=function(e,t,i){return i=E.defaultValue(i,0),i=w.PolygonGeometryLibrary.packPolygonHierarchy(e._polygonHierarchy,t,i),c.Ellipsoid.pack(e._ellipsoid,t,i),i+=c.Ellipsoid.packedLength,t[i++]=e._height,t[i++]=e._extrudedHeight,t[i++]=e._granularity,t[i++]=e._perPositionHeightExtrude?1:0,t[i++]=e._perPositionHeight?1:0,t[i++]=e._arcType,t[i++]=E.defaultValue(e._offsetAttribute,-1),t[i]=e.packedLength,t};var g=c.Ellipsoid.clone(c.Ellipsoid.UNIT_SPHERE),h={polygonHierarchy:{}};return f.unpack=function(e,t,i){t=E.defaultValue(t,0);var r=w.PolygonGeometryLibrary.unpackPolygonHierarchy(e,t);t=r.startingIndex,delete r.startingIndex;var o=c.Ellipsoid.unpack(e,t,g);t+=c.Ellipsoid.packedLength;var n=e[t++],a=e[t++],l=e[t++],s=1===e[t++],y=1===e[t++],u=e[t++],p=e[t++],d=e[t];return E.defined(i)||(i=new f(h)),i._polygonHierarchy=r,i._ellipsoid=c.Ellipsoid.clone(o,i._ellipsoid),i._height=n,i._extrudedHeight=a,i._granularity=l,i._perPositionHeight=y,i._perPositionHeightExtrude=s,i._arcType=u,i._offsetAttribute=-1===p?void 0:p,i.packedLength=d,i},f.fromPositions=function(e){return new f({polygonHierarchy:{positions:(e=E.defaultValue(e,E.defaultValue.EMPTY_OBJECT)).positions},height:e.height,extrudedHeight:e.extrudedHeight,ellipsoid:e.ellipsoid,granularity:e.granularity,perPositionHeight:e.perPositionHeight,arcType:e.arcType,offsetAttribute:e.offsetAttribute})},f.createGeometry=function(e){var t=e._ellipsoid,i=e._granularity,r=e._polygonHierarchy,o=e._perPositionHeight,n=e._arcType,a=w.PolygonGeometryLibrary.polygonOutlinesFromHierarchy(r,!o,t);if(0!==a.length){var l,s,y,u,p,d,c,f=[],g=v.CesiumMath.chordLength(i,t.maximumRadius),h=e._height,m=e._extrudedHeight;if(e._perPositionHeightExtrude||!v.CesiumMath.equalsEpsilon(h,m,0,v.CesiumMath.EPSILON2))for(l=0;l<a.length;l++){(u=function(e,t,i,r,o){var n,a=D.EllipsoidTangentPlane.fromPoints(t,e).projectPointsOntoPlane(t,S);I.PolygonPipeline.computeWindingOrder2D(a)===I.WindingOrder.CLOCKWISE&&(a.reverse(),t=t.slice().reverse());var l=t.length,s=new Array(l),y=0;if(r)for(n=new Float64Array(2*l*3*2),P=0;P<l;++P){s[P]=y/3;var u=t[P],p=t[(P+1)%l];n[y++]=u.x,n[y++]=u.y,n[y++]=u.z,n[y++]=p.x,n[y++]=p.y,n[y++]=p.z}else{var d,c=0;if(o===x.ArcType.GEODESIC)for(P=0;P<l;P++)c+=w.PolygonGeometryLibrary.subdivideLineCount(t[P],t[(P+1)%l],i);else if(o===x.ArcType.RHUMB)for(P=0;P<l;P++)c+=w.PolygonGeometryLibrary.subdivideRhumbLineCount(e,t[P],t[(P+1)%l],i);for(n=new Float64Array(3*c*2),P=0;P<l;++P){s[P]=y/3,o===x.ArcType.GEODESIC?d=w.PolygonGeometryLibrary.subdivideLine(t[P],t[(P+1)%l],i,k):o===x.ArcType.RHUMB&&(d=w.PolygonGeometryLibrary.subdivideRhumbLine(e,t[P],t[(P+1)%l],i,k));for(var f=d.length,g=0;g<f;++g)n[y++]=d[g]}}l=n.length/6;for(var h=s.length,m=2*(2*l+h),b=H.IndexDatatype.createTypedArray(l+h,m),y=0,P=0;P<l;++P)b[y++]=P,b[y++]=(P+1)%l,b[y++]=P+l,b[y++]=(P+1)%l+l;for(P=0;P<h;P++){var E=s[P];b[y++]=E,b[y++]=E+l}return new O.GeometryInstance({geometry:new G.Geometry({attributes:new L.GeometryAttributes({position:new G.GeometryAttribute({componentDatatype:_.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:n})}),indices:b,primitiveType:G.PrimitiveType.LINES})})}(t,a[l],g,o,n)).geometry=w.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(u.geometry,h,m,t,o),E.defined(e._offsetAttribute)&&(s=u.geometry.attributes.position.values.length/3,y=new Uint8Array(s),y=e._offsetAttribute===C.GeometryOffsetAttribute.TOP?C.arrayFill(y,1,0,s/2):(c=e._offsetAttribute===C.GeometryOffsetAttribute.NONE?0:1,C.arrayFill(y,c)),u.geometry.attributes.applyOffset=new G.GeometryAttribute({componentDatatype:_.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:y})),f.push(u)}else for(l=0;l<a.length;l++){(u=function(e,t,i,r,o){var n,a=D.EllipsoidTangentPlane.fromPoints(t,e).projectPointsOntoPlane(t,S);I.PolygonPipeline.computeWindingOrder2D(a)===I.WindingOrder.CLOCKWISE&&(a.reverse(),t=t.slice().reverse());var l=t.length,s=0;if(r)for(n=new Float64Array(2*l*3),m=0;m<l;m++){var y=t[m],u=t[(m+1)%l];n[s++]=y.x,n[s++]=y.y,n[s++]=y.z,n[s++]=u.x,n[s++]=u.y,n[s++]=u.z}else{var p,d=0;if(o===x.ArcType.GEODESIC)for(m=0;m<l;m++)d+=w.PolygonGeometryLibrary.subdivideLineCount(t[m],t[(m+1)%l],i);else if(o===x.ArcType.RHUMB)for(m=0;m<l;m++)d+=w.PolygonGeometryLibrary.subdivideRhumbLineCount(e,t[m],t[(m+1)%l],i);for(n=new Float64Array(3*d),m=0;m<l;m++){o===x.ArcType.GEODESIC?p=w.PolygonGeometryLibrary.subdivideLine(t[m],t[(m+1)%l],i,k):o===x.ArcType.RHUMB&&(p=w.PolygonGeometryLibrary.subdivideRhumbLine(e,t[m],t[(m+1)%l],i,k));for(var c=p.length,f=0;f<c;++f)n[s++]=p[f]}}for(var g=2*(l=n.length/3),h=H.IndexDatatype.createTypedArray(l,g),s=0,m=0;m<l-1;m++)h[s++]=m,h[s++]=m+1;return h[s++]=l-1,h[s++]=0,new O.GeometryInstance({geometry:new G.Geometry({attributes:new L.GeometryAttributes({position:new G.GeometryAttribute({componentDatatype:_.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:n})}),indices:h,primitiveType:G.PrimitiveType.LINES})})}(t,a[l],g,o,n)).geometry.attributes.position.values=I.PolygonPipeline.scaleToGeodeticHeight(u.geometry.attributes.position.values,h,t,!o),E.defined(e._offsetAttribute)&&(p=u.geometry.attributes.position.values.length,d=new Uint8Array(p/3),c=e._offsetAttribute===C.GeometryOffsetAttribute.NONE?0:1,C.arrayFill(d,c),u.geometry.attributes.applyOffset=new G.GeometryAttribute({componentDatatype:_.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:d})),f.push(u)}var b=T.GeometryPipeline.combineInstances(f)[0],P=A.BoundingSphere.fromVertices(b.attributes.position.values);return new G.Geometry({attributes:b.attributes,indices:b.indices,primitiveType:b.primitiveType,boundingSphere:P,offsetAttribute:e._offsetAttribute})}},function(e,t){return E.defined(t)&&(e=f.unpack(e,t)),e._ellipsoid=c.Ellipsoid.clone(e._ellipsoid),f.createGeometry(e)}});
    2.