@cearth/tools
Version:
CEarth 的 工具库
2 lines (1 loc) • 21.2 kB
JavaScript
(function(l,n){typeof exports=="object"&&typeof module<"u"?n(exports,require("cesium"),require("@web-3d/tools")):typeof define=="function"&&define.amd?define(["exports","cesium","@web-3d/tools"],n):(l=typeof globalThis<"u"?globalThis:l||self,n(l.Tools={},l.cesium,l.tools))})(this,function(l,n,h){"use strict";function wt(t){return A(t)||S(t)||F(t)}function A(t){return"modelMatrix"in t}function S(t){return"position"in t}function F(t){return"positions"in t}const J={[n.WebGLConstants.BYTE]:Int8Array,[n.WebGLConstants.UNSIGNED_BYTE]:Uint8Array,[n.WebGLConstants.SHORT]:Int16Array,[n.WebGLConstants.UNSIGNED_SHORT]:Uint16Array,[n.WebGLConstants.INT]:Int32Array,[n.WebGLConstants.UNSIGNED_INT]:Uint32Array,[n.WebGLConstants.FLOAT]:Float32Array,[n.WebGLConstants.DOUBLE]:Float64Array};var N=(t=>(t[t.x=0]="x",t[t.y=1]="y",t[t.z=2]="z",t))(N||{});l.Xyz_Hpr=(t=>(t.x="roll",t.y="pitch",t.z="heading",t))(l.Xyz_Hpr||{}),(t=>{function a(r){for(let[i,s]of Object.entries(t))if(r===s)return 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0:s.getValue(e);r!=null&&(t.innerRadii=n.Cartesian3.multiplyComponents(r,a,r))}function tt(t,a,e){var r;let o=n.Cartesian3.maximumComponent(a);if(!e){const i=n.JulianDate.now(),s=((r=t.scale)==null?void 0:r.getValue(i))??1;o*=s}t.scale=o}function nt(t,a){var i;const e=n.JulianDate.now(),o=n.Cartesian2.fromCartesian3(a),r=(i=t.dimensions)==null?void 0:i.getValue(e);r&&(t.dimensions=n.Cartesian2.multiplyComponents(r,o,r))}function at(t,a,e){var f,g,M;const o=n.JulianDate.now(),r=new n.Cartesian3,i=(f=t.positions)==null?void 0:f.getValue(o);if((i==null?void 0:i.length)>0){for(const p of i)n.Matrix4.multiplyByPoint(a,p,p);t.dimensions=i}const s=e??n.Matrix4.getScale(a,r),c=Math.max(s.x,s.y);((g=t.width)==null?void 0:g.getValue(o))!=null&&(t.width=c*scale);const y=(M=t.height)==null?void 0:M.getValue(o),d=s.z;y!=null&&(t.height=y*d)}function et(t,a,e){var d,f,g;const o=n.JulianDate.now(),r=new n.Cartesian3,i=(d=t.hierarchy)==null?void 0:d.getValue(o);i&&(G(i,a),t.hierarchy=i);const 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f of u)n.Cartesian2.multiplyComponents(f,c,f);t.shape=u}}function it(t,a,e){var d,f,g;const o=n.JulianDate.now(),r=new n.Cartesian3,i=(d=t.positions)==null?void 0:d.getValue(o);if((i==null?void 0:i.length)>0){for(const M of i)n.Matrix4.multiplyByPoint(a,M,M);t.positions=i}const c=(e??n.Matrix4.getScale(a,r)).z,u=(f=t.minimumHeights)==null?void 0:f.getValue(o);u!=null&&(graphicsgraphics.minimumHeights=u.map(M=>M*c));const y=(g=t.maximumHeights)==null?void 0:g.getValue(o);y!=null&&(graphicsgraphics.maximumHeights=y.map(M=>M*c))}function Qt(t,a,e){var T,C,R,D;const o=n.JulianDate.now(),r=(T=t.position)==null?void 0:T.getValue(o);if(!r)return null;const i=(C=t.orientation)==null?void 0:C.getValue(o),s=((D=(R=t.model)==null?void 0:R.scale)==null?void 0:D.getValue(o))??1,c=new n.Cartesian3(s,s,s),u=a(r,e),y=n.Matrix4.inverse(u,new n.Matrix4),d=n.Matrix4.multiplyByPoint(y,r,new n.Cartesian3),f={translation:d,position:r,scale:c,rotation:new n.Cartesian3};let g;if(i){const 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n.Cartographic];new n.Rectangle,new n.Rectangle,new n.Rectangle,new n.Rectangle,new n.Matrix2,new n.Matrix2,new n.Matrix2,new n.Matrix2,new n.Matrix3,new n.Matrix3,new n.Matrix3,new n.Matrix3,new n.Matrix4,new n.Matrix4,new n.Matrix4,new n.Matrix4,new n.Quaternion,new n.Quaternion,new n.Quaternion,new n.Quaternion,new n.HeadingPitchRoll,new n.HeadingPitchRoll,new n.HeadingPitchRoll,new n.HeadingPitchRoll;function Ft(t,a=[]){const{stride:e,vertexArray:o}=t,r=o.length/e,i=I[0];for(let s=0;s<r;s++)t.encoding.decodePosition(o,s,i),n.Cartesian3.pack(i,a,a.length);return a}function Jt(t,a,e){return t.encoding.decodePosition(t.vertexArray,a,e)}function lt(t){const{stride:a,vertices:e,indices:o,encoding:r}=t,i=e.length/a,s=I[0],c=new Float32Array(i*3),u=H[0],y=new Float32Array(i*2),d=new Float32Array(i);for(let f=0;f<i;f++){r.decodePosition(e,f,s),n.Cartesian3.pack(s,c,f*3);const g=r.decodeHeight(e,f);d[f]=g,r.decodeTextureCoordinates(e,f,u),n.Cartesian2.pack(u,y,f*2)}return{attributes:{position:{array:c,vectorSize:3},uv:{array:y,vectorSize:2},height:{array:d,vectorSize:1}},indices:o.slice(),count:i}}function z(t,a){const e=t._surface._tilesToRender,o=[],r=new n.Rectangle;for(const i of e){const{rectangle:s}=i;n.Rectangle.intersection(a,s,r)&&o.push(i)}return o}function Nt(t){const a=t._surface._tilesToRender;return st(a)}function st(t){const a=new Set;for(const i of t)a.add(i.level);const e=[...a],o=Math.min.apply(Math,e),r=Math.max.apply(Math,e);return{min:o,max:r}}function L(t){return t.map(a=>{const{mesh:e,terrainData:o}=a.data,r=lt(e),{x:i,y:s,level:c}=a,u=[o._minimumHeight,o._maximumHeight];return{data:r,encoding:e.encoding,rectangle:a.rectangle,heightRange:u,x:i,y:s,level:c}})}function Et(t){const{x:a,y:e,level:o}=t;return t.data.terrainData.upsample(t.tilingScheme,a,e,o,a,e,o)}function ft(t,a,e){const{east:o,north:r,south:i,west:s}=a,c=Lt[0];c.longitude=s,c.latitude=i;const u=t.positionToTileXY(c,e,H[0]);c.longitude=o,c.latitude=r;const y=t.positionToTileXY(c,e,H[1]),[d,f]=u.x<y.x?[u.x,y.x]:[y.x,u.x],[g,M]=u.y<y.y?[u.y,y.y]:[y.y,u.y];return{min:[d,g],max:[f,M]}}const Wt=32767;function qt(t,a=new n.Cartesian3){return n.Matrix3.getScale(t.halfAxes,a),n.Cartesian3.multiplyByScalar(a,2*Wt,a),a}function V(t,a,e){return e=t.getLocalCurvature(a,e),e.x=1/e.x,e.y=1/e.y,e}function _t(t,a,e){e=V(t,a,e);const o=Math.PI/180;return n.Cartesian2.multiplyByScalar(e,o,e)}function ct(t){const{_quantizedVertices:a,_indices:e}=t,o=a.length/3,r={type:"Float32Array",start:0,vectorSize:1},i={type:"Float32Array",start:o,vectorSize:1},s={type:"Float32Array",start:o*2,vectorSize:1};return{array:new Float32Array(a),attributes:{u:r,v:i,height:s},count:o,indices:e}}async function kt(t,a,e,o){const r=await t.requestTileGeometry(a,e,o);if(!r)return null;const i=ct(r),s=[data._minimumHeight,data._maximumHeight],c=t.tilingScheme.tileXYToRectangle(a,e,o),u=h.getMatrixOfQuantizedMeshTerrainData(c,s),y=n.Matrix4.fromArray(u,void 0),d=["u","v","height"],f=new h.Geometry({...i,positionNames:d}),g=new n.Cartesian3;return f.mapForAggregate(d,(M,p)=>(n.Cartesian3.fromArray(M,0,g),n.Matrix4.multiplyByPoint(y,g,g),new n.Cartographic(g.x,g.y,g.z)))}async function jt(t,a,e){const{min:o,max:r}=ft(t.tilingScheme,a,e),i=[],s=[];for(let u=o[0];u<=r[0];u++)for(let y=o[1];y<=r[1];y++){const d=dt(t,u,y,e);d&&(i.push(d),s.push({x:u,y}))}return(await Promise.all(i)).map(function(u,y){const{x:d,y:f}=s[y];return{x:d,y:f,level:e,data:u}})}async function dt(t,a,e,o){return t.getTileDataAvailable(a,e,o)?(await t.loadTileDataAvailability(a,e,o),t.requestTileGeometry(a,e,o)):Promise.reject("不可用")}async function Ut(t,a){const e=n.Rectangle.fromCartesianArray(a),o=n.Cartographic.toCartesian(n.Rectangle.center(e)),r=V(t.ellipsoid,o),i=[r.x,r.y,1],s=z(t,e),c=L(s),u=n.Transforms.eastNorthUpToFixedFrame(o);n.Matrix4.inverseTransformation(u,u);const y=a.map(g=>{const M=n.Matrix4.multiplyByPoint(u,g,I[2]);return[M.x,M.y]});let d=0;const f=c.map(async g=>{const{data:M,...p}=g,{position:T,uv:C,height:R}=M.attributes;d+=await h.workerApi.computeRelationAreaOfPolygon2Terrain({args:[{...M,...p,positionNames:["position"],region:y,matrix:n.Matrix4.pack(u,[]),relation:h.GeometricRelation.Contain|h.GeometricRelation.Intersect,scale:i}],transfer:[T.array.buffer,C.array.buffer,R.array.buffer,M.indices.buffer]})});if(await Promise.all(f),d===0||isNaN(d)){console.warn("贴地面积计算异常，已回退到椭球面投影面积",d);const g=a.map(M=>n.Cartesian3.pack(M,[]));return d=h.computeSignAreaOfPolygon3(g),Math.abs(d)}return d}function Yt(t,a){const e=n.Rectangle.fromCartesianArray(a),o=n.Cartographic.toCartesian(n.Rectangle.center(e)),r=V(t.ellipsoid,o),i=[r.x,r.y,1],s=z(t,e),c=L(s),u=n.Transforms.eastNorthUpToFixedFrame(o);n.Matrix4.inverseTransformation(u,u);const y=a.map(f=>{const g=n.Matrix4.multiplyByPoint(u,f,I[2]);return[g.x,g.y]});let d=0;for(const f of c){const{data:g,...M}=f;d+=h.computeRelationAreaOfPolygon2Terrain({...g,...M,positionNames:["position"],region:y,matrix:n.Matrix4.pack(u,[]),relation:h.GeometricRelation.Contain|h.GeometricRelation.Intersect,scale:i})}if(d===0||isNaN(d)){console.warn("贴地面积计算异常，已回退到椭球面投影面积",d);const f=a.map(g=>n.Cartesian3.pack(g,[]));return d=h.computeSignAreaOfPolygon3(f),Math.abs(d)}return 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