mergeDemo1/dist/three-loader-3dtiles.min.js

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/*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */function i(t,e,r,n){return new(r||(r=Promise))((function(s,i){function o(t){try{c(n.next(t))}catch(t){i(t)}}function a(t){try{c(n.throw(t))}catch(t){i(t)}}function c(t){var e;t.done?s(t.value):(e=t.value,e instanceof r?e:new r((function(t){t(e)}))).then(o,a)}c((n=n.apply(t,e||[])).next())}))}function o(t,e){if(!t)throw new Error(e||"loader assertion failed.")}const a=Boolean("object"!=typeof process||"[object process]"!==String(process)||process.browser),c="undefined"!=typeof process&&process.version&&/v([0-9]*)/.exec(process.version);c&&parseFloat(c[1]);function u(t,e){if(!t)throw new Error(e||"loaders.gl assertion failed.")}const l={self:"undefined"!=typeof self&&self,window:"undefined"!=typeof window&&window,global:"undefined"!=typeof global&&global,document:"undefined"!=typeof document&&document},h=l.global||l.self||l.window||{},d="object"!=typeof process||"[object process]"!==String(process)||process.browser,f="function"==typeof importScripts,A="undefined"!=typeof window&&void 0!==window.orientation,m="undefined"!=typeof process&&process.version&&/v([0-9]*)/.exec(process.version);function p(t,e,r){return e in t?Object.defineProperty(t,e,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[e]=r,t}m&&parseFloat(m[1]);class B{constructor(t,e){p(this,"name",void 0),p(this,"workerThread",void 0),p(this,"isRunning",void 0),p(this,"result",void 0),p(this,"_resolve",void 0),p(this,"_reject",void 0),this.name=t,this.workerThread=e,this.isRunning=!0,this._resolve=()=>{},this._reject=()=>{},this.result=new Promise(((t,e)=>{this._resolve=t,this._reject=e}))}postMessage(t,e){this.workerThread.postMessage({source:"loaders.gl",type:t,payload:e})}done(t){u(this.isRunning),this.isRunning=!1,this._resolve(t)}error(t){u(this.isRunning),this.isRunning=!1,this._reject(t)}}const g=new Map;function y(t){u(t.source&&!t.url||!t.source&&t.url);let e=g.get(t.source||t.url);return e||(t.url&&(e=function(t){if(!t.startsWith("http"))return t;return C((e=t,"try {\n  importScripts('".concat(e,"');\n} catch (error) {\n  console.error(error);\n  throw error;\n}")));var e}(t.url),g.set(t.url,e)),t.source&&(e=C(t.source),g.set(t.source,e))),u(e),e}function C(t){const e=new Blob([t],{type:"application/javascript"});return URL.createObjectURL(e)}function b(t,e=!0,r){const n=r||new Set;if(t){if(w(t))n.add(t);else if(w(t.buffer))n.add(t.buffer);else if(ArrayBuffer.isView(t));else if(e&&"object"==typeof t)for(const r in t)b(t[r],e,n)}else;return void 0===r?Array.from(n):[]}function w(t){return!!t&&(t instanceof ArrayBuffer||("undefined"!=typeof MessagePort&&t instanceof MessagePort||("undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas)))}const T=()=>{};class E{static isSupported(){return"undefined"!=typeof Worker}constructor(t){p(this,"name",void 0),p(this,"source",void 0),p(this,"url",void 0),p(this,"terminated",!1),p(this,"worker",void 0),p(this,"onMessage",void 0),p(this,"onError",void 0),p(this,"_loadableURL","");const{name:e,source:r,url:n}=t;u(r||n),this.name=e,this.source=r,this.url=n,this.onMessage=T,this.onError=t=>console.log(t),this.worker=this._createBrowserWorker()}destroy(){this.onMessage=T,this.onError=T,this.worker.terminate(),this.terminated=!0}get isRunning(){return Boolean(this.onMessage)}postMessage(t,e){e=e||b(t),this.worker.postMessage(t,e)}_getErrorFromErrorEvent(t){let e="Failed to load ";return e+="worker ".concat(this.name," from ").concat(this.url,". 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r=e[0],n=e[1],s=e[2],i=e[3],o=r+r,a=n+n,c=s+s,u=r*o,l=n*o,h=n*a,d=s*o,f=s*a,A=s*c,m=i*o,p=i*a,B=i*c;t[0]=1-h-A,t[3]=l-B,t[6]=d+p,t[1]=l+B,t[4]=1-u-A,t[7]=f-m,t[2]=d-p,t[5]=f+m,t[8]=1-u-h}(this,t),this.check()}transpose(){return function(t,e){if(t===e){var r=e[1],n=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=r,t[5]=e[7],t[6]=n,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8]}(this,this),this.check()}invert(){return function(t,e){var r=e[0],n=e[1],s=e[2],i=e[3],o=e[4],a=e[5],c=e[6],u=e[7],l=e[8],h=l*o-a*u,d=-l*i+a*c,f=u*i-o*c,A=r*h+n*d+s*f;A&&(A=1/A,t[0]=h*A,t[1]=(-l*n+s*u)*A,t[2]=(a*n-s*o)*A,t[3]=d*A,t[4]=(l*r-s*c)*A,t[5]=(-a*r+s*i)*A,t[6]=f*A,t[7]=(-u*r+n*c)*A,t[8]=(o*r-n*i)*A)}(this,this),this.check()}multiplyLeft(t){return ke(this,t,this),this.check()}multiplyRight(t){return ke(this,this,t),this.check()}rotate(t){return function(t,e,r){var n=e[0],s=e[1],i=e[2],o=e[3],a=e[4],c=e[5],u=e[6],l=e[7],h=e[8],d=Math.sin(r),f=Math.cos(r);t[0]=f*n+d*o,t[1]=f*s+d*a,t[2]=f*i+d*c,t[3]=f*o-d*n,t[4]=f*a-d*s,t[5]=f*c-d*i,t[6]=u,t[7]=l,t[8]=h}(this,this,t),this.check()}scale(t){return Array.isArray(t)?Ve(this,this,t):Ve(this,this,[t,t,t]),this.check()}translate(t){return function(t,e,r){var n=e[0],s=e[1],i=e[2],o=e[3],a=e[4],c=e[5],u=e[6],l=e[7],h=e[8],d=r[0],f=r[1];t[0]=n,t[1]=s,t[2]=i,t[3]=o,t[4]=a,t[5]=c,t[6]=d*n+f*o+u,t[7]=d*s+f*a+l,t[8]=d*i+f*c+h}(this,this,t),this.check()}transform(t,e){switch(t.length){case 2:e=ve(e||[-0,-0],t,this);break;case 3:e=Le(e||[-0,-0,-0],t,this);break;case 4:e=function(t,e,r){const n=e[0],s=e[1],i=e[2];return t[0]=r[0]*n+r[3]*s+r[6]*i,t[1]=r[1]*n+r[4]*s+r[7]*i,t[2]=r[2]*n+r[5]*s+r[8]*i,t[3]=e[3],t}(e||[-0,-0,-0,-0],t,this);break;default:throw new Error("Illegal vector")}return ye(e,t.length),e}transformVector(t,e){return be("Matrix3.transformVector"),this.transform(t,e)}transformVector2(t,e){return be("Matrix3.transformVector"),this.transform(t,e)}transformVector3(t,e){return be("Matrix3.transformVector"),this.transform(t,e)}}function Ye(t,e,r){var n=e[0],s=e[1],i=e[2],o=e[3],a=e[4],c=e[5],u=e[6],l=e[7],h=e[8],d=e[9],f=e[10],A=e[11],m=e[12],p=e[13],B=e[14],g=e[15],y=r[0],C=r[1],b=r[2],w=r[3];return t[0]=y*n+C*a+b*h+w*m,t[1]=y*s+C*c+b*d+w*p,t[2]=y*i+C*u+b*f+w*B,t[3]=y*o+C*l+b*A+w*g,y=r[4],C=r[5],b=r[6],w=r[7],t[4]=y*n+C*a+b*h+w*m,t[5]=y*s+C*c+b*d+w*p,t[6]=y*i+C*u+b*f+w*B,t[7]=y*o+C*l+b*A+w*g,y=r[8],C=r[9],b=r[10],w=r[11],t[8]=y*n+C*a+b*h+w*m,t[9]=y*s+C*c+b*d+w*p,t[10]=y*i+C*u+b*f+w*B,t[11]=y*o+C*l+b*A+w*g,y=r[12],C=r[13],b=r[14],w=r[15],t[12]=y*n+C*a+b*h+w*m,t[13]=y*s+C*c+b*d+w*p,t[14]=y*i+C*u+b*f+w*B,t[15]=y*o+C*l+b*A+w*g,t}function Xe(t,e,r){var n=r[0],s=r[1],i=r[2];return t[0]=e[0]*n,t[1]=e[1]*n,t[2]=e[2]*n,t[3]=e[3]*n,t[4]=e[4]*s,t[5]=e[5]*s,t[6]=e[6]*s,t[7]=e[7]*s,t[8]=e[8]*i,t[9]=e[9]*i,t[10]=e[10]*i,t[11]=e[11]*i,t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15],t}!function(){var t=function(){var t=new Me(4);return Me!=Float32Array&&(t[0]=0,t[1]=0,t[2]=0,t[3]=0),t}()}();const Ze=Object.freeze([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),$e=Object.freeze([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]),tr=Object.freeze({COL0ROW0:0,COL0ROW1:1,COL0ROW2:2,COL0ROW3:3,COL1ROW0:4,COL1ROW1:5,COL1ROW2:6,COL1ROW3:7,COL2ROW0:8,COL2ROW1:9,COL2ROW2:10,COL2ROW3:11,COL3ROW0:12,COL3ROW1:13,COL3ROW2:14,COL3ROW3:15}),er={};class rr extends je{static get IDENTITY(){return er.IDENTITY=er.IDENTITY||Object.freeze(new rr(Ze)),er.IDENTITY}static get ZERO(){return er.ZERO=er.ZERO||Object.freeze(new rr($e)),er.ZERO}get INDICES(){return tr}get ELEMENTS(){return 16}get RANK(){return 4}constructor(t){super(-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0),1===arguments.length&&Array.isArray(t)?this.copy(t):this.identity()}copy(t){return this[0]=t[0],this[1]=t[1],this[2]=t[2],this[3]=t[3],this[4]=t[4],this[5]=t[5],this[6]=t[6],this[7]=t[7],this[8]=t[8],this[9]=t[9],this[10]=t[10],this[11]=t[11],this[12]=t[12],this[13]=t[13],this[14]=t[14],this[15]=t[15],this.check()}set(t,e,r,n,s,i,o,a,c,u,l,h,d,f,A,m){return this[0]=t,this[1]=e,this[2]=r,this[3]=n,this[4]=s,this[5]=i,this[6]=o,this[7]=a,this[8]=c,this[9]=u,this[10]=l,this[11]=h,this[12]=d,this[13]=f,this[14]=A,this[15]=m,this.check()}setRowMajor(t,e,r,n,s,i,o,a,c,u,l,h,d,f,A,m){return this[0]=t,this[1]=s,this[2]=c,this[3]=d,this[4]=e,this[5]=i,this[6]=u,this[7]=f,this[8]=r,this[9]=o,this[10]=l,this[11]=A,this[12]=n,this[13]=a,this[14]=h,this[15]=m,this.check()}toRowMajor(t){return t[0]=this[0],t[1]=this[4],t[2]=this[8],t[3]=this[12],t[4]=this[1],t[5]=this[5],t[6]=this[9],t[7]=this[13],t[8]=this[2],t[9]=this[6],t[10]=this[10],t[11]=this[14],t[12]=this[3],t[13]=this[7],t[14]=this[11],t[15]=this[15],t}identity(){return this.copy(Ze)}fromQuaternion(t){return function(t,e){var r=e[0],n=e[1],s=e[2],i=e[3],o=r+r,a=n+n,c=s+s,u=r*o,l=n*o,h=n*a,d=s*o,f=s*a,A=s*c,m=i*o,p=i*a,B=i*c;t[0]=1-h-A,t[1]=l+B,t[2]=d-p,t[3]=0,t[4]=l-B,t[5]=1-u-A,t[6]=f+m,t[7]=0,t[8]=d+p,t[9]=f-m,t[10]=1-u-h,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1}(this,t),this.check()}frustum({left:t,right:e,bottom:r,top:n,near:s,far:i}){return i===1/0?rr._computeInfinitePerspectiveOffCenter(this,t,e,r,n,s):function(t,e,r,n,s,i,o){var a=1/(r-e),c=1/(s-n),u=1/(i-o);t[0]=2*i*a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*i*c,t[6]=0,t[7]=0,t[8]=(r+e)*a,t[9]=(s+n)*c,t[10]=(o+i)*u,t[11]=-1,t[12]=0,t[13]=0,t[14]=o*i*2*u,t[15]=0}(this,t,e,r,n,s,i),this.check()}static _computeInfinitePerspectiveOffCenter(t,e,r,n,s,i){const o=2*i/(r-e),a=2*i/(s-n),c=(r+e)/(r-e),u=(s+n)/(s-n),l=-2*i;return t[0]=o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=a,t[6]=0,t[7]=0,t[8]=c,t[9]=u,t[10]=-1,t[11]=-1,t[12]=0,t[13]=0,t[14]=l,t[15]=0,t}lookAt(t,e,r){return 1===arguments.length&&({eye:t,center:e,up:r}=t),function(t,e,r,n){var s,i,o,a,c,u,l,h,d,f,A=e[0],m=e[1],p=e[2],B=n[0],g=n[1],y=n[2],C=r[0],b=r[1],w=r[2];Math.abs(A-C)<Ee&&Math.abs(m-b)<Ee&&Math.abs(p-w)<Ee?function(t){t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1}(t):(l=A-C,h=m-b,d=p-w,s=g*(d*=f=1/Math.hypot(l,h,d))-y*(h*=f),i=y*(l*=f)-B*d,o=B*h-g*l,(f=Math.hypot(s,i,o))?(s*=f=1/f,i*=f,o*=f):(s=0,i=0,o=0),a=h*o-d*i,c=d*s-l*o,u=l*i-h*s,(f=Math.hypot(a,c,u))?(a*=f=1/f,c*=f,u*=f):(a=0,c=0,u=0),t[0]=s,t[1]=a,t[2]=l,t[3]=0,t[4]=i,t[5]=c,t[6]=h,t[7]=0,t[8]=o,t[9]=u,t[10]=d,t[11]=0,t[12]=-(s*A+i*m+o*p),t[13]=-(a*A+c*m+u*p),t[14]=-(l*A+h*m+d*p),t[15]=1)}(this,t,e=e||[0,0,0],r=r||[0,1,0]),this.check()}ortho({left:t,right:e,bottom:r,top:n,near:s=.1,far:i=500}){return function(t,e,r,n,s,i,o){var a=1/(e-r),c=1/(n-s),u=1/(i-o);t[0]=-2*a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*c,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*u,t[11]=0,t[12]=(e+r)*a,t[13]=(s+n)*c,t[14]=(o+i)*u,t[15]=1}(this,t,e,r,n,s,i),this.check()}orthographic({fovy:t=45*Math.PI/180,aspect:e=1,focalDistance:r=1,near:n=.1,far:s=500}){if(t>2*Math.PI)throw Error("radians");const i=t/2,o=r*Math.tan(i),a=o*e;return(new rr).ortho({left:-a,right:a,bottom:-o,top:o,near:n,far:s})}perspective({fovy:t,fov:e=45*Math.PI/180,aspect:r=1,near:n=.1,far:s=500}={}){if((t=t||e)>2*Math.PI)throw Error("radians");return function(t,e,r,n,s){var i,o=1/Math.tan(e/2);t[0]=o/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=o,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=s&&s!==1/0?(i=1/(n-s),t[10]=(s+n)*i,t[14]=2*s*n*i):(t[10]=-1,t[14]=-2*n)}(this,t,r,n,s),this.check()}determinant(){return function(t){var e=t[0],r=t[1],n=t[2],s=t[3],i=t[4],o=t[5],a=t[6],c=t[7],u=t[8],l=t[9],h=t[10],d=t[11],f=t[12],A=t[13],m=t[14],p=t[15];return(e*o-r*i)*(h*p-d*m)-(e*a-n*i)*(l*p-d*A)+(e*c-s*i)*(l*m-h*A)+(r*a-n*o)*(u*p-d*f)-(r*c-s*o)*(u*m-h*f)+(n*c-s*a)*(u*A-l*f)}(this)}getScale(t=[-0,-0,-0]){return t[0]=Math.sqrt(this[0]*this[0]+this[1]*this[1]+this[2]*this[2]),t[1]=Math.sqrt(this[4]*this[4]+this[5]*this[5]+this[6]*this[6]),t[2]=Math.sqrt(this[8]*this[8]+this[9]*this[9]+this[10]*this[10]),t}getTranslation(t=[-0,-0,-0]){return t[0]=this[12],t[1]=this[13],t[2]=this[14],t}getRotation(t=[-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0],e=null){const r=this.getScale(e||[-0,-0,-0]),n=1/r[0],s=1/r[1],i=1/r[2];return t[0]=this[0]*n,t[1]=this[1]*s,t[2]=this[2]*i,t[3]=0,t[4]=this[4]*n,t[5]=this[5]*s,t[6]=this[6]*i,t[7]=0,t[8]=this[8]*n,t[9]=this[9]*s,t[10]=this[10]*i,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}getRotationMatrix3(t=[-0,-0,-0,-0,-0,-0,-0,-0,-0],e=null){const r=this.getScale(e||[-0,-0,-0]),n=1/r[0],s=1/r[1],i=1/r[2];return t[0]=this[0]*n,t[1]=this[1]*s,t[2]=this[2]*i,t[3]=this[4]*n,t[4]=this[5]*s,t[5]=this[6]*i,t[6]=this[8]*n,t[7]=this[9]*s,t[8]=this[10]*i,t}transpose(){return function(t,e){if(t===e){var r=e[1],n=e[2],s=e[3],i=e[6],o=e[7],a=e[11];t[1]=e[4],t[2]=e[8],t[3]=e[12],t[4]=r,t[6]=e[9],t[7]=e[13],t[8]=n,t[9]=i,t[11]=e[14],t[12]=s,t[13]=o,t[14]=a}else t[0]=e[0],t[1]=e[4],t[2]=e[8],t[3]=e[12],t[4]=e[1],t[5]=e[5],t[6]=e[9],t[7]=e[13],t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=e[14],t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15]}(this,this),this.check()}invert(){return function(t,e){var r=e[0],n=e[1],s=e[2],i=e[3],o=e[4],a=e[5],c=e[6],u=e[7],l=e[8],h=e[9],d=e[10],f=e[11],A=e[12],m=e[13],p=e[14],B=e[15],g=r*a-n*o,y=r*c-s*o,C=r*u-i*o,b=n*c-s*a,w=n*u-i*a,T=s*u-i*c,E=l*m-h*A,M=l*p-d*A,v=l*B-f*A,I=h*p-d*m,_=h*B-f*m,F=d*B-f*p,D=g*F-y*_+C*I+b*v-w*M+T*E;D&&(D=1/D,t[0]=(a*F-c*_+u*I)*D,t[1]=(s*_-n*F-i*I)*D,t[2]=(m*T-p*w+B*b)*D,t[3]=(d*w-h*T-f*b)*D,t[4]=(c*v-o*F-u*M)*D,t[5]=(r*F-s*v+i*M)*D,t[6]=(p*C-A*T-B*y)*D,t[7]=(l*T-d*C+f*y)*D,t[8]=(o*_-a*v+u*E)*D,t[9]=(n*v-r*_-i*E)*D,t[10]=(A*w-m*C+B*g)*D,t[11]=(h*C-l*w-f*g)*D,t[12]=(a*M-o*I-c*E)*D,t[13]=(r*I-n*M+s*E)*D,t[14]=(m*y-A*b-p*g)*D,t[15]=(l*b-h*y+d*g)*D)}(this,this),this.check()}multiplyLeft(t){return Ye(this,t,this),this.check()}multiplyRight(t){return Ye(this,this,t),this.check()}rotateX(t){return function(t,e,r){var n=Math.sin(r),s=Math.cos(r),i=e[4],o=e[5],a=e[6],c=e[7],u=e[8],l=e[9],h=e[10],d=e[11];e!==t&&(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[4]=i*s+u*n,t[5]=o*s+l*n,t[6]=a*s+h*n,t[7]=c*s+d*n,t[8]=u*s-i*n,t[9]=l*s-o*n,t[10]=h*s-a*n,t[11]=d*s-c*n}(this,this,t),this.check()}rotateY(t){return function(t,e,r){var n=Math.sin(r),s=Math.cos(r),i=e[0],o=e[1],a=e[2],c=e[3],u=e[8],l=e[9],h=e[10],d=e[11];e!==t&&(t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=i*s-u*n,t[1]=o*s-l*n,t[2]=a*s-h*n,t[3]=c*s-d*n,t[8]=i*n+u*s,t[9]=o*n+l*s,t[10]=a*n+h*s,t[11]=c*n+d*s}(this,this,t),this.check()}rotateZ(t){return function(t,e,r){var n=Math.sin(r),s=Math.cos(r),i=e[0],o=e[1],a=e[2],c=e[3],u=e[4],l=e[5],h=e[6],d=e[7];e!==t&&(t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=i*s+u*n,t[1]=o*s+l*n,t[2]=a*s+h*n,t[3]=c*s+d*n,t[4]=u*s-i*n,t[5]=l*s-o*n,t[6]=h*s-a*n,t[7]=d*s-c*n}(this,this,t),this.check()}rotateXYZ([t,e,r]){return this.rotateX(t).rotateY(e).rotateZ(r)}rotateAxis(t,e){return function(t,e,r,n){var s,i,o,a,c,u,l,h,d,f,A,m,p,B,g,y,C,b,w,T,E,M,v,I,_=n[0],F=n[1],D=n[2],G=Math.hypot(_,F,D);G<Ee||(_*=G=1/G,F*=G,D*=G,s=Math.sin(r),o=1-(i=Math.cos(r)),a=e[0],c=e[1],u=e[2],l=e[3],h=e[4],d=e[5],f=e[6],A=e[7],m=e[8],p=e[9],B=e[10],g=e[11],y=_*_*o+i,C=F*_*o+D*s,b=D*_*o-F*s,w=_*F*o-D*s,T=F*F*o+i,E=D*F*o+_*s,M=_*D*o+F*s,v=F*D*o-_*s,I=D*D*o+i,t[0]=a*y+h*C+m*b,t[1]=c*y+d*C+p*b,t[2]=u*y+f*C+B*b,t[3]=l*y+A*C+g*b,t[4]=a*w+h*T+m*E,t[5]=c*w+d*T+p*E,t[6]=u*w+f*T+B*E,t[7]=l*w+A*T+g*E,t[8]=a*M+h*v+m*I,t[9]=c*M+d*v+p*I,t[10]=u*M+f*v+B*I,t[11]=l*M+A*v+g*I,e!==t&&(t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]))}(this,this,t,e),this.check()}scale(t){return Array.isArray(t)?Xe(this,this,t):Xe(this,this,[t,t,t]),this.check()}translate(t){return function(t,e,r){var n,s,i,o,a,c,u,l,h,d,f,A,m=r[0],p=r[1],B=r[2];e===t?(t[12]=e[0]*m+e[4]*p+e[8]*B+e[12],t[13]=e[1]*m+e[5]*p+e[9]*B+e[13],t[14]=e[2]*m+e[6]*p+e[10]*B+e[14],t[15]=e[3]*m+e[7]*p+e[11]*B+e[15]):(n=e[0],s=e[1],i=e[2],o=e[3],a=e[4],c=e[5],u=e[6],l=e[7],h=e[8],d=e[9],f=e[10],A=e[11],t[0]=n,t[1]=s,t[2]=i,t[3]=o,t[4]=a,t[5]=c,t[6]=u,t[7]=l,t[8]=h,t[9]=d,t[10]=f,t[11]=A,t[12]=n*m+a*p+h*B+e[12],t[13]=s*m+c*p+d*B+e[13],t[14]=i*m+u*p+f*B+e[14],t[15]=o*m+l*p+A*B+e[15])}(this,this,t),this.check()}transform(t,e){return 4===t.length?(e=function(t,e,r){var n=e[0],s=e[1],i=e[2],o=e[3];return t[0]=r[0]*n+r[4]*s+r[8]*i+r[12]*o,t[1]=r[1]*n+r[5]*s+r[9]*i+r[13]*o,t[2]=r[2]*n+r[6]*s+r[10]*i+r[14]*o,t[3]=r[3]*n+r[7]*s+r[11]*i+r[15]*o,t}(e||[-0,-0,-0,-0],t,this),ye(e,4),e):this.transformAsPoint(t,e)}transformAsPoint(t,e){const{length:r}=t;switch(r){case 2:e=Ie(e||[-0,-0],t,this);break;case 3:e=Ue(e||[-0,-0,-0],t,this);break;default:throw new Error("Illegal vector")}return ye(e,t.length),e}transformAsVector(t,e){switch(t.length){case 2:e=_e(e||[-0,-0],t,this);break;case 3:e=Fe(e||[-0,-0,-0],t,this);break;default:throw new Error("Illegal vector")}return ye(e,t.length),e}makeRotationX(t){return this.identity().rotateX(t)}makeTranslation(t,e,r){return this.identity().translate([t,e,r])}transformPoint(t,e){return be("Matrix4.transformPoint","3.0"),this.transformAsPoint(t,e)}transformVector(t,e){return be("Matrix4.transformVector","3.0"),this.transformAsPoint(t,e)}transformDirection(t,e){return be("Matrix4.transformDirection","3.0"),this.transformAsVector(t,e)}}function nr(){var t=new Me(4);return Me!=Float32Array&&(t[0]=0,t[1]=0,t[2]=0),t[3]=1,t}function sr(t,e,r){r*=.5;var n=Math.sin(r);return t[0]=n*e[0],t[1]=n*e[1],t[2]=n*e[2],t[3]=Math.cos(r),t}function ir(t,e,r){var n=e[0],s=e[1],i=e[2],o=e[3],a=r[0],c=r[1],u=r[2],l=r[3];return t[0]=n*l+o*a+s*u-i*c,t[1]=s*l+o*c+i*a-n*u,t[2]=i*l+o*u+n*c-s*a,t[3]=o*l-n*a-s*c-i*u,t}function or(t,e,r,n){var s,i,o,a,c,u=e[0],l=e[1],h=e[2],d=e[3],f=r[0],A=r[1],m=r[2],p=r[3];return(i=u*f+l*A+h*m+d*p)<0&&(i=-i,f=-f,A=-A,m=-m,p=-p),1-i>Ee?(s=Math.acos(i),o=Math.sin(s),a=Math.sin((1-n)*s)/o,c=Math.sin(n*s)/o):(a=1-n,c=n),t[0]=a*u+c*f,t[1]=a*l+c*A,t[2]=a*h+c*m,t[3]=a*d+c*p,t}function ar(t,e){var r,n=e[0]+e[4]+e[8];if(n>0)r=Math.sqrt(n+1),t[3]=.5*r,r=.5/r,t[0]=(e[5]-e[7])*r,t[1]=(e[6]-e[2])*r,t[2]=(e[1]-e[3])*r;else{var s=0;e[4]>e[0]&&(s=1),e[8]>e[3*s+s]&&(s=2);var i=(s+1)%3,o=(s+2)%3;r=Math.sqrt(e[3*s+s]-e[3*i+i]-e[3*o+o]+1),t[s]=.5*r,r=.5/r,t[3]=(e[3*i+o]-e[3*o+i])*r,t[i]=(e[3*i+s]+e[3*s+i])*r,t[o]=(e[3*o+s]+e[3*s+o])*r}return t}var cr,ur,lr,hr=function(t,e,r){return t[0]=e[0]+r[0],t[1]=e[1]+r[1],t[2]=e[2]+r[2],t[3]=e[3]+r[3],t},dr=function(t,e,r){return t[0]=e[0]*r,t[1]=e[1]*r,t[2]=e[2]*r,t[3]=e[3]*r,t},fr=function(t,e){return t[0]*e[0]+t[1]*e[1]+t[2]*e[2]+t[3]*e[3]},Ar=function(t,e,r,n){var s=e[0],i=e[1],o=e[2],a=e[3];return t[0]=s+n*(r[0]-s),t[1]=i+n*(r[1]-i),t[2]=o+n*(r[2]-o),t[3]=a+n*(r[3]-a),t},mr=function(t){var e=t[0],r=t[1],n=t[2],s=t[3];return Math.hypot(e,r,n,s)},pr=function(t){var e=t[0],r=t[1],n=t[2],s=t[3];return e*e+r*r+n*n+s*s},Br=function(t,e){var r=e[0],n=e[1],s=e[2],i=e[3],o=r*r+n*n+s*s+i*i;return o>0&&(o=1/Math.sqrt(o)),t[0]=r*o,t[1]=n*o,t[2]=s*o,t[3]=i*o,t},gr=(cr=Ge(),ur=Se(1,0,0),lr=Se(0,1,0),function(t,e,r){var n=Oe(e,r);return n<-.999999?(xe(cr,ur,e),Ne(cr)<1e-6&&xe(cr,lr,e),function(t,e){var r=e[0],n=e[1],s=e[2],i=r*r+n*n+s*s;i>0&&(i=1/Math.sqrt(i)),t[0]=e[0]*i,t[1]=e[1]*i,t[2]=e[2]*i}(cr,cr),sr(t,cr,Math.PI),t):n>.999999?(t[0]=0,t[1]=0,t[2]=0,t[3]=1,t):(xe(cr,e,r),t[0]=cr[0],t[1]=cr[1],t[2]=cr[2],t[3]=1+n,Br(t,t))});nr(),nr(),function(){var t=new Me(9);Me!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[5]=0,t[6]=0,t[7]=0),t[0]=1,t[4]=1,t[8]=1}();const yr=[0,0,0,1];class Cr extends Be{constructor(t=0,e=0,r=0,n=1){super(-0,-0,-0,-0),Array.isArray(t)&&1===arguments.length?this.copy(t):this.set(t,e,r,n)}copy(t){return this[0]=t[0],this[1]=t[1],this[2]=t[2],this[3]=t[3],this.check()}set(t,e,r,n){return this[0]=t,this[1]=e,this[2]=r,this[3]=n,this.check()}fromMatrix3(t){return ar(this,t),this.check()}identity(){return function(t){t[0]=0,t[1]=0,t[2]=0,t[3]=1}(this),this.check()}fromAxisRotation(t,e){return sr(this,t,e),this.check()}setAxisAngle(t,e){return this.fromAxisRotation(t,e)}get ELEMENTS(){return 4}get x(){return this[0]}set x(t){this[0]=ge(t)}get y(){return this[1]}set y(t){this[1]=ge(t)}get z(){return this[2]}set z(t){this[2]=ge(t)}get w(){return this[3]}set w(t){this[3]=ge(t)}len(){return mr(this)}lengthSquared(){return pr(this)}dot(t,e){if(void 0!==e)throw new Error("Quaternion.dot only takes one argument");return fr(this,t)}rotationTo(t,e){return gr(this,t,e),this.check()}add(t,e){if(void 0!==e)throw new Error("Quaternion.add only takes one argument");return hr(this,this,t),this.check()}calculateW(){return function(t,e){var r=e[0],n=e[1],s=e[2];t[0]=r,t[1]=n,t[2]=s,t[3]=Math.sqrt(Math.abs(1-r*r-n*n-s*s))}(this,this),this.check()}conjugate(){return function(t,e){t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3]}(this,this),this.check()}invert(){return function(t,e){var r=e[0],n=e[1],s=e[2],i=e[3],o=r*r+n*n+s*s+i*i,a=o?1/o:0;t[0]=-r*a,t[1]=-n*a,t[2]=-s*a,t[3]=i*a}(this,this),this.check()}lerp(t,e,r){return Ar(this,t,e,r),this.check()}multiplyRight(t,e){return oe(!e),ir(this,this,t),this.check()}multiplyLeft(t,e){return oe(!e),ir(this,t,this),this.check()}normalize(){const t=this.len(),e=t>0?1/t:0;return this[0]=this[0]*e,this[1]=this[1]*e,this[2]=this[2]*e,this[3]=this[3]*e,0===t&&(this[3]=1),this.check()}rotateX(t){return function(t,e,r){r*=.5;var n=e[0],s=e[1],i=e[2],o=e[3],a=Math.sin(r),c=Math.cos(r);t[0]=n*c+o*a,t[1]=s*c+i*a,t[2]=i*c-s*a,t[3]=o*c-n*a}(this,this,t),this.check()}rotateY(t){return function(t,e,r){r*=.5;var n=e[0],s=e[1],i=e[2],o=e[3],a=Math.sin(r),c=Math.cos(r);t[0]=n*c-i*a,t[1]=s*c+o*a,t[2]=i*c+n*a,t[3]=o*c-s*a}(this,this,t),this.check()}rotateZ(t){return function(t,e,r){r*=.5;var n=e[0],s=e[1],i=e[2],o=e[3],a=Math.sin(r),c=Math.cos(r);t[0]=n*c+s*a,t[1]=s*c-n*a,t[2]=i*c+o*a,t[3]=o*c-i*a}(this,this,t),this.check()}scale(t){return dr(this,this,t),this.check()}slerp(t,e,r){switch(arguments.length){case 1:({start:t=yr,target:e,ratio:r}=arguments[0]);break;case 2:[e,r]=arguments,t=this}return or(this,t,e,r),this.check()}transformVector4(t,e=t){return function(t,e,r){var n=e[0],s=e[1],i=e[2],o=r[0],a=r[1],c=r[2],u=r[3],l=u*n+a*i-c*s,h=u*s+c*n-o*i,d=u*i+o*s-a*n,f=-o*n-a*s-c*i;t[0]=l*u+f*-o+h*-c-d*-a,t[1]=h*u+f*-a+d*-o-l*-c,t[2]=d*u+f*-c+l*-a-h*-o,t[3]=e[3]}(e,t,this),ye(e,4)}lengthSq(){return this.lengthSquared()}setFromAxisAngle(t,e){return this.setAxisAngle(t,e)}premultiply(t,e){return this.multiplyLeft(t,e)}multiply(t,e){return this.multiplyRight(t,e)}}var br=.1,wr=1e-12,Tr=1e-15;Math.PI,Math.PI,Math.PI,Math.PI;const Er=t=>t,Mr=new Pe;function vr(t,e=Mr){return function(t,e,r=Er){return he(t)?(e[0]=r(t[0]),e[1]=r(t[1]),e[2]=t[2]):"longitude"in t?(e[0]=r(t.longitude),e[1]=r(t.latitude),e[2]=t.height):(e[0]=r(t.x),e[1]=r(t.y),e[2]=t.z),e}(t,e,ue._cartographicRadians?Er:fe)}function Ir(t,e){return function(t,e,r=Er){return he(e)?(e[0]=r(t[0]),e[1]=r(t[1]),e[2]=t[2]):"longitude"in e?(e.longitude=r(t[0]),e.latitude=r(t[1]),e.height=t[2]):(e.x=r(t[0]),e.y=r(t[1]),e.z=t[2]),e}(t,e,ue._cartographicRadians?Er:Ae)}const _r=new Pe,Fr=new Pe,Dr=new Pe;const Gr=new Pe,Rr={up:{south:"east",north:"west",west:"south",east:"north"},down:{south:"west",north:"east",west:"north",east:"south"},south:{up:"west",down:"east",west:"down",east:"up"},north:{up:"east",down:"west",west:"up",east:"down"},west:{up:"north",down:"south",north:"down",south:"up"},east:{up:"south",down:"north",north:"up",south:"down"}},Sr={north:[-1,0,0],east:[0,1,0],up:[0,0,1],south:[1,0,0],west:[0,-1,0],down:[0,0,-1]},Or={east:new Pe,north:new Pe,up:new Pe,west:new Pe,south:new Pe,down:new Pe},xr=new Pe,Ur=new Pe,Lr=new Pe;function Nr(t,e,r,n,s,i){const o=Rr[e]&&Rr[e][r];let a,c,u;oe(o&&(!n||n===o));const l=Gr.copy(s);if(pe(l.x,0,1e-14)&&pe(l.y,0,1e-14)){const t=Math.sign(l.z);a=xr.fromArray(Sr[e]),"east"!==e&&"west"!==e&&a.scale(t),c=Ur.fromArray(Sr[r]),"east"!==r&&"west"!==r&&c.scale(t),u=Lr.fromArray(Sr[n]),"east"!==n&&"west"!==n&&u.scale(t)}else{const{up:s,east:i,north:o}=Or;i.set(-l.y,l.x,0).normalize(),t.geodeticSurfaceNormal(l,s),o.copy(s).cross(i);const{down:h,west:d,south:f}=Or;h.copy(s).scale(-1),d.copy(i).scale(-1),f.copy(o).scale(-1),a=Or[e],c=Or[r],u=Or[n]}return i[0]=a.x,i[1]=a.y,i[2]=a.z,i[3]=0,i[4]=c.x,i[5]=c.y,i[6]=c.z,i[7]=0,i[8]=u.x,i[9]=u.y,i[10]=u.z,i[11]=0,i[12]=l.x,i[13]=l.y,i[14]=l.z,i[15]=1,i}const Hr=new Pe,Jr=new Pe,Pr=new Pe,jr=new Pe,kr=new Pe,Vr=new Pe;let Kr;class Qr{static get WGS84(){return Kr=Kr||new Qr(6378137,6378137,6356752.314245179),Kr}constructor(t=0,e=0,r=0){oe(t>=0),oe(e>=0),oe(r>=0),this.radii=new Pe(t,e,r),this.radiiSquared=new Pe(t*t,e*e,r*r),this.radiiToTheFourth=new Pe(t*t*t*t,e*e*e*e,r*r*r*r),this.oneOverRadii=new Pe(0===t?0:1/t,0===e?0:1/e,0===r?0:1/r),this.oneOverRadiiSquared=new Pe(0===t?0:1/(t*t),0===e?0:1/(e*e),0===r?0:1/(r*r)),this.minimumRadius=Math.min(t,e,r),this.maximumRadius=Math.max(t,e,r),this.centerToleranceSquared=br,0!==this.radiiSquared.z&&(this.squaredXOverSquaredZ=this.radiiSquared.x/this.radiiSquared.z),Object.freeze(this)}equals(t){return this===t||Boolean(t&&this.radii.equals(t.radii))}toString(){return this.radii.toString()}cartographicToCartesian(t,e=[0,0,0]){const r=Jr,n=Pr,[,,s]=t;this.geodeticSurfaceNormalCartographic(t,r),n.copy(this.radiiSquared).scale(r);const i=Math.sqrt(r.dot(n));return n.scale(1/i),r.scale(s),n.add(r),n.to(e)}cartesianToCartographic(t,e=[0,0,0]){Vr.from(t);const r=this.scaleToGeodeticSurface(Vr,jr);if(!r)return;const n=this.geodeticSurfaceNormal(r,Jr),s=kr;s.copy(Vr).subtract(r);return Ir([Math.atan2(n.y,n.x),Math.asin(n.z),Math.sign(Oe(s,Vr))*Re(s)],e)}eastNorthUpToFixedFrame(t,e=new rr){return Nr(this,"east","north","up",t,e)}localFrameToFixedFrame(t,e,r,n,s=new rr){return Nr(this,t,e,r,n,s)}geocentricSurfaceNormal(t,e=[0,0,0]){return Hr.from(t).normalize().to(e)}geodeticSurfaceNormalCartographic(t,e=[0,0,0]){const r=vr(t),n=r[0],s=r[1],i=Math.cos(s);return Hr.set(i*Math.cos(n),i*Math.sin(n),Math.sin(s)).normalize(),Hr.to(e)}geodeticSurfaceNormal(t,e=[0,0,0]){return Hr.from(t).scale(this.oneOverRadiiSquared).normalize().to(e)}scaleToGeodeticSurface(t,e){return function(t,e,r=new Pe){const{oneOverRadii:n,oneOverRadiiSquared:s,centerToleranceSquared:i}=e;_r.from(t);const o=t.x,a=t.y,c=t.z,u=n.x,l=n.y,h=n.z,d=o*o*u*u,f=a*a*l*l,A=c*c*h*h,m=d+f+A,p=Math.sqrt(1/m);if(!Number.isFinite(p))return;const B=Fr;if(B.copy(t).scale(p),m<i)return B.to(r);const g=s.x,y=s.y,C=s.z,b=Dr;b.set(B.x*g*2,B.y*y*2,B.z*C*2);let w,T,E,M,v=(1-p)*t.len()/(.5*b.len()),I=0;do{v-=I,w=1/(1+v*g),T=1/(1+v*y),E=1/(1+v*C);const t=w*w,e=T*T,r=E*E;M=d*t+f*e+A*r-1,I=M/(-2*(d*(t*w)*g+f*(e*T)*y+A*(r*E)*C))}while(Math.abs(M)>wr);return _r.scale([w,T,E]).to(r)}(t,this,e)}scaleToGeocentricSurface(t,e=[0,0,0]){jr.from(t);const r=jr.x,n=jr.y,s=jr.z,i=this.oneOverRadiiSquared,o=1/Math.sqrt(r*r*i.x+n*n*i.y+s*s*i.z);return jr.multiplyScalar(o).to(e)}transformPositionToScaledSpace(t,e=[0,0,0]){return jr.from(t).scale(this.oneOverRadii).to(e)}transformPositionFromScaledSpace(t,e=[0,0,0]){return jr.from(t).scale(this.radii).to(e)}getSurfaceNormalIntersectionWithZAxis(t,e=0,r=[0,0,0]){oe(pe(this.radii.x,this.radii.y,Tr)),oe(this.radii.z>0),jr.from(t);const n=jr.z*(1-this.squaredXOverSquaredZ);if(!(Math.abs(n)>=this.radii.z-e))return jr.set(0,0,n).to(r)}}class qr{constructor(t,e,r){p(this,"item",void 0),p(this,"previous",void 0),p(this,"next",void 0),this.item=t,this.previous=e,this.next=r}}class zr{constructor(){p(this,"head",null),p(this,"tail",null),p(this,"_length",0)}get length(){return this._length}add(t){const e=new qr(t,this.tail,null);return this.tail?(this.tail.next=e,this.tail=e):(this.head=e,this.tail=e),++this._length,e}remove(t){t&&(t.previous&&t.next?(t.previous.next=t.next,t.next.previous=t.previous):t.previous?(t.previous.next=null,this.tail=t.previous):t.next?(t.next.previous=null,this.head=t.next):(this.head=null,this.tail=null),t.next=null,t.previous=null,--this._length)}splice(t,e){t!==e&&(this.remove(e),this._insert(t,e))}_insert(t,e){const r=t.next;t.next=e,this.tail===t?this.tail=e:r.previous=e,e.next=r,e.previous=t,++this._length}}function Wr(t){return null!=t}class Yr{constructor(){p(this,"_list",void 0),p(this,"_sentinel",void 0),p(this,"_trimTiles",void 0),this._list=new zr,this._sentinel=this._list.add("sentinel"),this._trimTiles=!1}reset(){this._list.splice(this._list.tail,this._sentinel)}touch(t){const e=t._cacheNode;Wr(e)&&this._list.splice(this._sentinel,e)}add(t,e,r){Wr(e._cacheNode)||(e._cacheNode=this._list.add(e),r&&r(t,e))}unloadTile(t,e,r){const n=e._cacheNode;Wr(n)&&(this._list.remove(n),e._cacheNode=void 0,r&&r(t,e))}unloadTiles(t,e){const r=this._trimTiles;this._trimTiles=!1;const n=this._list,s=1024*t.maximumMemoryUsage*1024,i=this._sentinel;let o=n.head;for(;o!==i&&(t.gpuMemoryUsageInBytes>s||r);){const r=o.item;o=o.next,this.unloadTile(t,r,e)}}trim(){this._trimTiles=!0}}const Xr=Object.freeze({OUTSIDE:-1,INTERSECTING:0,INSIDE:1});new Pe,new Pe;const Zr=new Pe,$r=new Pe;class tn{constructor(t=[0,0,0],e=0){this.radius=-0,this.center=new Pe,this.fromCenterRadius(t,e)}fromCenterRadius(t,e){return this.center.from(t),this.radius=e,this}fromCornerPoints(t,e){return e=Zr.from(e),this.center=(new Pe).from(t).add(e).scale(.5),this.radius=this.center.distance(e),this}equals(t){return this===t||Boolean(t)&&this.center.equals(t.center)&&this.radius===t.radius}clone(){return new tn(this.center,this.radius)}union(t){const e=this.center,r=this.radius,n=t.center,s=t.radius,i=Zr.copy(n).subtract(e),o=i.magnitude();if(r>=o+s)return this.clone();if(s>=o+r)return t.clone();const a=.5*(r+o+s);return $r.copy(i).scale((-r+a)/o).add(e),this.center.copy($r),this.radius=a,this}expand(t){const e=(t=Zr.from(t)).subtract(this.center).magnitude();return e>this.radius&&(this.radius=e),this}transform(t){this.center.transform(t);const e=function(t,e){var r=e[0],n=e[1],s=e[2],i=e[4],o=e[5],a=e[6],c=e[8],u=e[9],l=e[10];return t[0]=Math.hypot(r,n,s),t[1]=Math.hypot(i,o,a),t[2]=Math.hypot(c,u,l),t}(Zr,t);return this.radius=Math.max(e[0],Math.max(e[1],e[2]))*this.radius,this}distanceSquaredTo(t){const e=this.distanceTo(t);return e*e}distanceTo(t){const e=(t=Zr.from(t)).subtract(this.center);return Math.max(0,e.len()-this.radius)}intersectPlane(t){const e=this.center,r=this.radius,n=t.normal.dot(e)+t.distance;return n<-r?Xr.OUTSIDE:n<r?Xr.INTERSECTING:Xr.INSIDE}}const en=new Pe,rn=new Pe,nn=new Pe,sn=new Pe,on=new Pe,an=new Pe,cn=new Pe,un=0,ln=1,hn=2,dn=3,fn=4,An=5,mn=6,pn=7,Bn=8;class gn{constructor(t=[0,0,0],e=[0,0,0,0,0,0,0,0,0]){this.center=(new Pe).from(t),this.halfAxes=new We(e)}get halfSize(){const t=this.halfAxes.getColumn(0),e=this.halfAxes.getColumn(1),r=this.halfAxes.getColumn(2);return[new Pe(t).len(),new Pe(e).len(),new Pe(r).len()]}get quaternion(){const t=this.halfAxes.getColumn(0),e=this.halfAxes.getColumn(1),r=this.halfAxes.getColumn(2),n=new Pe(t).normalize(),s=new Pe(e).normalize(),i=new Pe(r).normalize();return(new Cr).fromMatrix3(new We([...n,...s,...i]))}fromCenterHalfSizeQuaternion(t,e,r){const n=new Cr(r),s=(new We).fromQuaternion(n);return s[0]=s[0]*e[0],s[1]=s[1]*e[0],s[2]=s[2]*e[0],s[3]=s[3]*e[1],s[4]=s[4]*e[1],s[5]=s[5]*e[1],s[6]=s[6]*e[2],s[7]=s[7]*e[2],s[8]=s[8]*e[2],this.center=(new Pe).from(t),this.halfAxes=s,this}clone(){return new gn(this.center,this.halfAxes)}equals(t){return this===t||Boolean(t)&&this.center.equals(t.center)&&this.halfAxes.equals(t.halfAxes)}getBoundingSphere(t=new tn){const e=this.halfAxes,r=e.getColumn(0,nn),n=e.getColumn(1,sn),s=e.getColumn(2,on),i=en.copy(r).add(n).add(s);return t.center.copy(this.center),t.radius=i.magnitude(),t}intersectPlane(t){const e=this.center,r=t.normal,n=this.halfAxes,s=r.x,i=r.y,o=r.z,a=Math.abs(s*n[un]+i*n[ln]+o*n[hn])+Math.abs(s*n[dn]+i*n[fn]+o*n[An])+Math.abs(s*n[mn]+i*n[pn]+o*n[Bn]),c=r.dot(e)+t.distance;return c<=-a?Xr.OUTSIDE:c>=a?Xr.INSIDE:Xr.INTERSECTING}distanceTo(t){return Math.sqrt(this.distanceSquaredTo(t))}distanceSquaredTo(t){const e=rn.from(t).subtract(this.center),r=this.halfAxes,n=r.getColumn(0,nn),s=r.getColumn(1,sn),i=r.getColumn(2,on),o=n.magnitude(),a=s.magnitude(),c=i.magnitude();n.normalize(),s.normalize(),i.normalize();let u,l=0;return u=Math.abs(e.dot(n))-o,u>0&&(l+=u*u),u=Math.abs(e.dot(s))-a,u>0&&(l+=u*u),u=Math.abs(e.dot(i))-c,u>0&&(l+=u*u),l}computePlaneDistances(t,e,r=[-0,-0]){let n=Number.POSITIVE_INFINITY,s=Number.NEGATIVE_INFINITY;const i=this.center,o=this.halfAxes,a=o.getColumn(0,nn),c=o.getColumn(1,sn),u=o.getColumn(2,on),l=an.copy(a).add(c).add(u).add(i),h=cn.copy(l).subtract(t);let d=e.dot(h);return n=Math.min(d,n),s=Math.max(d,s),l.copy(i).add(a).add(c).subtract(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),l.copy(i).add(a).subtract(c).add(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),l.copy(i).add(a).subtract(c).subtract(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),i.copy(l).subtract(a).add(c).add(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),i.copy(l).subtract(a).add(c).subtract(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),i.copy(l).subtract(a).subtract(c).add(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),i.copy(l).subtract(a).subtract(c).subtract(u),h.copy(l).subtract(t),d=e.dot(h),n=Math.min(d,n),s=Math.max(d,s),r[0]=n,r[1]=s,r}transform(t){this.center.transformAsPoint(t);const e=this.halfAxes.getColumn(0,nn);e.transformAsPoint(t);const r=this.halfAxes.getColumn(1,sn);r.transformAsPoint(t);const n=this.halfAxes.getColumn(2,on);return n.transformAsPoint(t),this.halfAxes=new We([...e,...r,...n]),this}getTransform(){throw new Error("not implemented")}}const yn=new Pe,Cn=new Pe;class bn{constructor(t=[0,0,1],e=0){this.normal=new Pe,this.distance=-0,this.fromNormalDistance(t,e)}fromNormalDistance(t,e){return oe(Number.isFinite(e)),this.normal.from(t).normalize(),this.distance=e,this}fromPointNormal(t,e){t=yn.from(t),this.normal.from(e).normalize();const r=-this.normal.dot(t);return this.distance=r,this}fromCoefficients(t,e,r,n){return this.normal.set(t,e,r),oe(pe(this.normal.len(),1)),this.distance=n,this}clone(t){return new bn(this.normal,this.distance)}equals(t){return pe(this.distance,t.distance)&&pe(this.normal,t.normal)}getPointDistance(t){return this.normal.dot(t)+this.distance}transform(t){const e=Cn.copy(this.normal).transformAsVector(t).normalize(),r=this.normal.scale(-this.distance).transform(t);return this.fromPointNormal(r,e)}projectPointOntoPlane(t,e=[0,0,0]){t=yn.from(t);const r=this.getPointDistance(t),n=Cn.copy(this.normal).scale(r);return t.subtract(n).to(e)}}const wn=[new Pe([1,0,0]),new Pe([0,1,0]),new Pe([0,0,1])],Tn=new Pe,En=new Pe;new bn(new Pe(1,0,0),0);class Mn{static get MASK_OUTSIDE(){return 4294967295}static get MASK_INSIDE(){return 0}static get MASK_INDETERMINATE(){return 2147483647}constructor(t=[]){this.planes=t,oe(this.planes.every((t=>t instanceof bn)))}fromBoundingSphere(t){this.planes.length=2*wn.length;const e=t.center,r=t.radius;let n=0;for(const t of wn){let s=this.planes[n],i=this.planes[n+1];s||(s=this.planes[n]=new bn),i||(i=this.planes[n+1]=new bn);const o=Tn.copy(t).scale(-r).add(e);t.dot(o),s.fromPointNormal(o,t);const a=Tn.copy(t).scale(r).add(e),c=En.copy(t).negate();c.dot(a),i.fromPointNormal(a,c),n+=2}return this}computeVisibility(t){oe(t);let e=Xr.INSIDE;for(const r of this.planes){switch(t.intersectPlane(r)){case Xr.OUTSIDE:return Xr.OUTSIDE;case Xr.INTERSECTING:e=Xr.INTERSECTING}}return e}computeVisibilityWithPlaneMask(t,e){if(oe(t,"boundingVolume is required."),oe(Number.isFinite(e),"parentPlaneMask is required."),e===Mn.MASK_OUTSIDE||e===Mn.MASK_INSIDE)return e;let r=Mn.MASK_INSIDE;const n=this.planes;for(let s=0;s<this.planes.length;++s){const i=s<31?1<<s:0;if(s<31&&0==(e&i))continue;const o=n[s],a=t.intersectPlane(o);if(a===Xr.OUTSIDE)return Mn.MASK_OUTSIDE;a===Xr.INTERSECTING&&(r|=i)}return r}}const vn=new Pe,In=new Pe,_n=new Pe,Fn=new Pe,Dn=new Pe;class Gn{constructor(t={}){t={near:1,far:5e8,...t},this.left=t.left,this._left=void 0,this.right=t.right,this._right=void 0,this.top=t.top,this._top=void 0,this.bottom=t.bottom,this._bottom=void 0,this.near=t.near,this._near=this.near,this.far=t.far,this._far=this.far,this._cullingVolume=new Mn([new bn,new bn,new bn,new bn,new bn,new bn]),this._perspectiveMatrix=new rr,this._infinitePerspective=new rr}clone(){return new Gn({right:this.right,left:this.left,top:this.top,bottom:this.bottom,near:this.near,far:this.far})}equals(t){return t&&t instanceof Gn&&this.right===t.right&&this.left===t.left&&this.top===t.top&&this.bottom===t.bottom&&this.near===t.near&&this.far===t.far}get projectionMatrix(){return Rn(this),this._perspectiveMatrix}get infiniteProjectionMatrix(){return Rn(this),this._infinitePerspective}computeCullingVolume(t,e,r){oe(t,"position is required."),oe(e,"direction is required."),oe(r,"up is required.");const n=this._cullingVolume.planes;r=vn.copy(r).normalize();const s=In.copy(e).cross(r).normalize(),i=_n.copy(e).multiplyByScalar(this.near).add(t),o=Fn.copy(e).multiplyByScalar(this.far).add(t);let a=Dn;return a.copy(s).multiplyByScalar(this.left).add(i).subtract(t).cross(r),n[0].fromPointNormal(t,a),a.copy(s).multiplyByScalar(this.right).add(i).subtract(t).cross(r).negate(),n[1].fromPointNormal(t,a),a.copy(r).multiplyByScalar(this.bottom).add(i).subtract(t).cross(s).negate(),n[2].fromPointNormal(t,a),a.copy(r).multiplyByScalar(this.top).add(i).subtract(t).cross(s),n[3].fromPointNormal(t,a),a=(new Pe).copy(e),n[4].fromPointNormal(i,a),a.negate(),n[5].fromPointNormal(o,a),this._cullingVolume}getPixelDimensions(t,e,r,n){Rn(this),oe(Number.isFinite(t)&&Number.isFinite(e)),oe(t>0),oe(e>0),oe(r>0),oe(n);const s=1/this.near;let i=this.top*s;const o=2*r*i/e;i=this.right*s;const a=2*r*i/t;return n.x=a,n.y=o,n}}function Rn(t){oe(Number.isFinite(t.right)&&Number.isFinite(t.left)&&Number.isFinite(t.top)&&Number.isFinite(t.bottom)&&Number.isFinite(t.near)&&Number.isFinite(t.far));const{top:e,bottom:r,right:n,left:s,near:i,far:o}=t;e===t._top&&r===t._bottom&&s===t._left&&n===t._right&&i===t._near&&o===t._far||(oe(t.near>0&&t.near<t.far,"near must be greater than zero and less than far."),t._left=s,t._right=n,t._top=e,t._bottom=r,t._near=i,t._far=o,t._perspectiveMatrix=(new rr).frustum({left:s,right:n,bottom:r,top:e,near:i,far:o}),t._infinitePerspective=(new rr).frustum({left:s,right:n,bottom:r,top:e,near:i,far:1/0}))}class Sn{constructor(t={}){t={near:1,far:5e8,xOffset:0,yOffset:0,...t},this._offCenterFrustum=new Gn,this.fov=t.fov,this._fov=void 0,this._fovy=void 0,this._sseDenominator=void 0,this.aspectRatio=t.aspectRatio,this._aspectRatio=void 0,this.near=t.near,this._near=this.near,this.far=t.far,this._far=this.far,this.xOffset=t.xOffset,this._xOffset=this.xOffset,this.yOffset=t.yOffset,this._yOffset=this.yOffset}clone(){return new Sn({aspectRatio:this.aspectRatio,fov:this.fov,near:this.near,far:this.far})}equals(t){return null!=t&&t instanceof Sn&&(On(this),On(t),this.fov===t.fov&&this.aspectRatio===t.aspectRatio&&this.near===t.near&&this.far===t.far&&this._offCenterFrustum.equals(t._offCenterFrustum))}get projectionMatrix(){return On(this),this._offCenterFrustum.projectionMatrix}get infiniteProjectionMatrix(){return On(this),this._offCenterFrustum.infiniteProjectionMatrix}get fovy(){return On(this),this._fovy}get sseDenominator(){return On(this),this._sseDenominator}computeCullingVolume(t,e,r){return On(this),this._offCenterFrustum.computeCullingVolume(t,e,r)}getPixelDimensions(t,e,r,n){return On(this),this._offCenterFrustum.getPixelDimensions(t,e,r,n)}}function On(t){oe(Number.isFinite(t.fov)&&Number.isFinite(t.aspectRatio)&&Number.isFinite(t.near)&&Number.isFinite(t.far));const e=t._offCenterFrustum;t.fov===t._fov&&t.aspectRatio===t._aspectRatio&&t.near===t._near&&t.far===t._far&&t.xOffset===t._xOffset&&t.yOffset===t._yOffset||(oe(t.fov>=0&&t.fov<Math.PI),oe(t.aspectRatio>0),oe(t.near>=0&&t.near<t.far),t._aspectRatio=t.aspectRatio,t._fov=t.fov,t._fovy=t.aspectRatio<=1?t.fov:2*Math.atan(Math.tan(.5*t.fov)/t.aspectRatio),t._near=t.near,t._far=t.far,t._sseDenominator=2*Math.tan(.5*t._fovy),t._xOffset=t.xOffset,t._yOffset=t.yOffset,e.top=t.near*Math.tan(.5*t._fovy),e.bottom=-e.top,e.right=t.aspectRatio*e.top,e.left=-e.right,e.near=t.near,e.far=t.far,e.right+=t.xOffset,e.left+=t.xOffset,e.top+=t.yOffset,e.bottom+=t.yOffset)}new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new Pe,new We,new We,new We,new We,new We,new Pe,new Pe,new Pe,new Pe,new Pe,new We,new We,new We;const xn=new Pe,Un=new Pe,Ln=new Mn([new bn,new bn,new bn,new bn,new bn,new bn]);function Nn(t,e){const{cameraDirection:r,cameraUp:n,height:s}=t,{metersPerUnit:i}=t.distanceScales,o=t.unprojectPosition(t.center),a=Qr.WGS84.cartographicToCartesian(o,new Pe),c=Qr.WGS84.eastNorthUpToFixedFrame(a),u=t.unprojectPosition(t.cameraPosition),l=Qr.WGS84.cartographicToCartesian(u,new Pe),h=new Pe(c.transformAsVector(new Pe(r).scale(i))).normalize(),d=new Pe(c.transformAsVector(new Pe(n).scale(i))).normalize();return function(t,e){const r=t.getFrustumPlanes();let n=0;for(const s in r){const i=r[s],o=i.normal.dot(t.center);Un.copy(i.normal).scale(i.distance-o).add(t.center);const a=t.unprojectPosition(Un),c=Qr.WGS84.cartographicToCartesian(a,new Pe);Ln.planes[n++].fromPointNormal(c,xn.copy(e).subtract(c))}}(t,a),{camera:{position:l,direction:h,up:d},viewport:t,height:s,cullingVolume:Ln,frameNumber:e,sseDenominator:1.15}}const Hn=6356752.314245179,Jn=new Pe;function Pn(t){const{halfAxes:e,radius:r,width:n,height:s}=t;if(e){const t=function(t){t.getColumn(0,Jn);const e=t.getColumn(1),r=t.getColumn(2),n=Jn.add(e).add(r);return n.len()}(e);return Math.log2(Hn/t)}if(r)return Math.log2(Hn/r);if(s&&n){return(Math.log2(6378137/n)+Math.log2(6378137/s))/2}return 1}const jn=0,kn=1,Vn=3,Kn=4,Qn=5,qn=1,zn=2,Wn="empty",Yn="scenegraph",Xn="pointcloud",Zn="mesh",$n="I3S",ts="TILES3D",es="geometricError",rs=1;function ns(t){return null!=t}const ss=new Pe,is=new Pe,os=new Pe;function as(t,e,r){if(o(t,"3D Tile: boundingVolume must be defined"),t.box)return function(t,e,r){const n=new Pe(t[0],t[1],t[2]);e.transform(n,n);let s=[];if(10===t.length){const e=t.slice(3,6),r=new Cr;r.fromArray(t,6);const n=new Pe([1,0,0]),i=new Pe([0,1,0]),o=new Pe([0,0,1]);n.transformByQuaternion(r),n.scale(e[0]),i.transformByQuaternion(r),i.scale(e[1]),o.transformByQuaternion(r),o.scale(e[2]),s=[...n.toArray(),...i.toArray(),...o.toArray()]}else s=[...t.slice(3,6),...t.slice(6,9),...t.slice(9,12)];const i=e.transformAsVector(s.slice(0,3)),o=e.transformAsVector(s.slice(3,6)),a=e.transformAsVector(s.slice(6,9)),c=new We([i[0],i[1],i[2],o[0],o[1],o[2],a[0],a[1],a[2]]);if(ns(r))return r.center=n,r.halfAxes=c,r;return new gn(n,c)}(t.box,e,r);if(t.region){const[e,r,n,s,i,o]=t.region,a=Qr.WGS84.cartographicToCartesian([me(e),me(s),i],is),c=Qr.WGS84.cartographicToCartesian([me(n),me(r),o],os),u=(new Pe).addVectors(a,c).multiplyScalar(.5),l=(new Pe).subVectors(a,c).len()/2;return cs([u[0],u[1],u[2],l],new rr)}if(t.sphere)return cs(t.sphere,e,r);throw new Error("3D Tile: boundingVolume must contain a sphere, region, or box")}function cs(t,e,r){const n=new Pe(t[0],t[1],t[2]);e.transform(n,n);const s=e.getScale(ss),i=Math.max(Math.max(s[0],s[1]),s[2]),o=t[3]*i;return ns(r)?(r.center=n,r.radius=o,r):new tn(n,o)}function us(t,e){if(t.dynamicScreenSpaceError&&t.dynamicScreenSpaceErrorComputedDensity){const r=t.dynamicScreenSpaceErrorComputedDensity,n=t.dynamicScreenSpaceErrorFactor,s=function(t,e){const r=t*e;return 1-Math.exp(-r*r)}(e,r)*n;return s}return 0}function ls(t,e){const r=e.viewport,n=r.constructor,{longitude:s,latitude:i,height:o,width:a,bearing:c,zoom:u}=r,l=new n({longitude:s,latitude:i,height:o,width:a,bearing:c,zoom:u,pitch:0}),h=t.header.mbs[1],d=t.header.mbs[0],f=t.header.mbs[2],A=t.header.mbs[3],m=[...t.boundingVolume.center],p=l.unprojectPosition(l.cameraPosition),B=Qr.WGS84.cartographicToCartesian(p,new Pe),g=new Pe(B).subtract(m).normalize(),y=new rr;Qr.WGS84.eastNorthUpToFixedFrame(m,y);const C=new rr(y).invert(),b=new Pe(B).transform(C),w=Math.sqrt(b[0]*b[0]+b[1]*b[1]),T=w*w/b[2],E=new Pe([b[0],b[1],T]).transform(y),M=new Pe(E).subtract(m).normalize(),v=g.cross(M).normalize().scale(A),I=new Pe(m).add(v),_=Qr.WGS84.cartesianToCartographic(I),F=l.project([d,h,f]),D=l.project(_);return new Pe(F).subtract(D).magnitude()}new Pe,new Pe,new rr,new Pe,new Pe,new Pe;class hs{constructor(t=0){p(this,"_map",new Map),p(this,"_array",void 0),p(this,"_length",void 0),this._array=new Array(t),this._length=t}get length(){return this._length}set length(t){this._length=t,t>this._array.length&&(this._array.length=t)}get values(){return this._array}get(t){return o(t<this._array.length),this._array[t]}set(t,e){o(t>=0),t>=this.length&&(this.length=t+1),this._map.has(this._array[t])&&this._map.delete(this._array[t]),this._array[t]=e,this._map.set(e,t)}delete(t){const e=this._map.get(t);e>=0&&(this._array.splice(e,1),this._map.delete(t),this.length--)}peek(){return this._array[this._length-1]}push(t){if(!this._map.has(t)){const e=this.length++;this._array[e]=t,this._map.set(t,e)}}pop(){const t=this._array[--this.length];return this._map.delete(t),t}reserve(t){o(t>=0),t>this._array.length&&(this._array.length=t)}resize(t){o(t>=0),this.length=t}trim(t){null==t&&(t=this.length),this._array.length=t}reset(){this._array=[],this._map=new Map,this._length=0}find(t){return this._map.has(t)}}const ds={loadSiblings:!1,skipLevelOfDetail:!1,maximumScreenSpaceError:2,updateTransforms:!0,onTraversalEnd:()=>{},viewportTraversersMap:{},basePath:""};class fs{constructor(t){p(this,"options",void 0),p(this,"root",void 0),p(this,"requestedTiles",void 0),p(this,"selectedTiles",void 0),p(this,"emptyTiles",void 0),p(this,"_traversalStack",void 0),p(this,"_emptyTraversalStack",void 0),p(this,"_frameNumber",void 0),this.options={...ds,...t},this._traversalStack=new hs,this._emptyTraversalStack=new hs,this._frameNumber=null,this.root=null,this.selectedTiles={},this.requestedTiles={},this.emptyTiles={}}traverse(t,e,r){this.root=t,this.options={...this.options,...r},this.reset(),this.updateTile(t,e),this._frameNumber=e.frameNumber,this.executeTraversal(t,e)}reset(){this.requestedTiles={},this.selectedTiles={},this.emptyTiles={},this._traversalStack.reset(),this._emptyTraversalStack.reset()}executeTraversal(t,e){const r=this._traversalStack;for(t._selectionDepth=1,r.push(t);r.length>0;){const t=r.pop();let n=!1;this.canTraverse(t,e)&&(this.updateChildTiles(t,e),n=this.updateAndPushChildren(t,e,r,t.hasRenderContent?t._selectionDepth+1:t._selectionDepth));const s=t.parent,i=Boolean(!s||s._shouldRefine),o=!n;t.hasRenderContent?t.refine===qn?(this.loadTile(t,e),this.selectTile(t,e)):t.refine===zn&&(this.loadTile(t,e),o&&this.selectTile(t,e)):(this.emptyTiles[t.id]=t,this.loadTile(t,e),o&&this.selectTile(t,e)),this.touchTile(t,e),t._shouldRefine=n&&i}this.options.onTraversalEnd(e)}updateChildTiles(t,e){const r=t.children;for(const t of r)this.updateTile(t,e);return!0}updateAndPushChildren(t,e,r,n){const{loadSiblings:s,skipLevelOfDetail:i}=this.options,o=t.children;o.sort(this.compareDistanceToCamera.bind(this));const a=t.refine===zn&&t.hasRenderContent&&!i;let c=!1,u=!0;for(const t of o)if(t._selectionDepth=n,t.isVisibleAndInRequestVolume?(r.find(t)&&r.delete(t),r.push(t),c=!0):(a||s)&&(this.loadTile(t,e),this.touchTile(t,e)),a){let r;if(r=!!t._inRequestVolume&&(t.hasRenderContent?t.contentAvailable:this.executeEmptyTraversal(t,e)),u=u&&r,!u)return!1}return c||(u=!1),u}updateTile(t,e){this.updateTileVisibility(t,e)}selectTile(t,e){this.shouldSelectTile(t)&&(t._selectedFrame=e.frameNumber,this.selectedTiles[t.id]=t)}loadTile(t,e){this.shouldLoadTile(t)&&(t._requestedFrame=e.frameNumber,t._priority=t._getPriority(),this.requestedTiles[t.id]=t)}touchTile(t,e){t.tileset._cache.touch(t),t._touchedFrame=e.frameNumber}canTraverse(t,e,r=!1,n=!1){return!!t.hasChildren&&(t.hasTilesetContent?!t.contentExpired:!(!n&&!t.isVisibleAndInRequestVolume)&&this.shouldRefine(t,e,r))}shouldLoadTile(t){return t.hasUnloadedContent||t.contentExpired}shouldSelectTile(t){return t.contentAvailable&&!this.options.skipLevelOfDetail}shouldRefine(t,e,r){let n=t._screenSpaceError;return r&&(n=t.getScreenSpaceError(e,!0)),n>this.options.maximumScreenSpaceError}updateTileVisibility(t,e){const r=[];if(this.options.viewportTraversersMap)for(const t in this.options.viewportTraversersMap){this.options.viewportTraversersMap[t]===e.viewport.id&&r.push(t)}else r.push(e.viewport.id);t.updateVisibility(e,r)}compareDistanceToCamera(t,e){return t._distanceToCamera-e._distanceToCamera}anyChildrenVisible(t,e){let r=!1;for(const n of t.children)n.updateVisibility(e),r=r||n.isVisibleAndInRequestVolume;return r}executeEmptyTraversal(t,e){let r=!0;const n=this._emptyTraversalStack;for(n.push(t);n.length>0&&r;){const t=n.pop();this.updateTile(t,e),t.isVisibleAndInRequestVolume||this.loadTile(t,e),this.touchTile(t,e);if(!t.hasRenderContent&&this.canTraverse(t,e,!1,!0)){const e=t.children;for(const t of e)n.find(t)&&n.delete(t),n.push(t)}else t.contentAvailable||(r=!1)}return r}}const As=new Pe;class ms{constructor(t,e,r,n=""){p(this,"tileset",void 0),p(this,"header",void 0),p(this,"id",void 0),p(this,"url",void 0),p(this,"parent",void 0),p(this,"refine",void 0),p(this,"type",void 0),p(this,"contentUrl",void 0),p(this,"lodMetricType",void 0),p(this,"lodMetricValue",void 0),p(this,"boundingVolume",void 0),p(this,"content",void 0),p(this,"contentState",void 0),p(this,"gpuMemoryUsageInBytes",void 0),p(this,"children",void 0),p(this,"depth",void 0),p(this,"viewportIds",void 0),p(this,"transform",void 0),p(this,"extensions",void 0),p(this,"userData",void 0),p(this,"computedTransform",void 0),p(this,"hasEmptyContent",void 0),p(this,"hasTilesetContent",void 0),p(this,"traverser",void 0),p(this,"_cacheNode",void 0),p(this,"_frameNumber",void 0),p(this,"_lodJudge",void 0),p(this,"_expireDate",void 0),p(this,"_expiredContent",void 0),p(this,"_shouldRefine",void 0),p(this,"_distanceToCamera",void 0),p(this,"_centerZDepth",void 0),p(this,"_screenSpaceError",void 0),p(this,"_visibilityPlaneMask",void 0),p(this,"_visible",void 0),p(this,"_inRequestVolume",void 0),p(this,"_stackLength",void 0),p(this,"_selectionDepth",void 0),p(this,"_touchedFrame",void 0),p(this,"_visitedFrame",void 0),p(this,"_selectedFrame",void 0),p(this,"_requestedFrame",void 0),p(this,"_priority",void 0),p(this,"_contentBoundingVolume",void 0),p(this,"_viewerRequestVolume",void 0),p(this,"_initialTransform",void 0),this.header=e,this.tileset=t,this.id=n||e.id,this.url=e.url,this.parent=r,this.refine=this._getRefine(e.refine),this.type=e.type,this.contentUrl=e.contentUrl,this.lodMetricType="geometricError",this.lodMetricValue=0,this.boundingVolume=null,this.content=null,this.contentState=jn,this.gpuMemoryUsageInBytes=0,this.children=[],this.hasEmptyContent=!1,this.hasTilesetContent=!1,this.depth=0,this.viewportIds=[],this.userData={},this.extensions=null,this._priority=0,this._touchedFrame=0,this._visitedFrame=0,this._selectedFrame=0,this._requestedFrame=0,this._screenSpaceError=0,this._cacheNode=null,this._frameNumber=null,this._cacheNode=null,this.traverser=new fs({}),this._shouldRefine=!1,this._distanceToCamera=0,this._centerZDepth=0,this._visible=void 0,this._inRequestVolume=!1,this._stackLength=0,this._selectionDepth=0,this._initialTransform=new rr,this.transform=new rr,this._initializeLodMetric(e),this._initializeTransforms(e),this._initializeBoundingVolumes(e),this._initializeContent(e),this._initializeRenderingState(e),this._lodJudge=null,this._expireDate=null,this._expiredContent=null,Object.seal(this)}destroy(){this.header=null}isDestroyed(){return null===this.header}get selected(){return this._selectedFrame===this.tileset._frameNumber}get isVisible(){return this._visible}get isVisibleAndInRequestVolume(){return this._visible&&this._inRequestVolume}get hasRenderContent(){return!this.hasEmptyContent&&!this.hasTilesetContent}get hasChildren(){return this.children.length>0||this.header.children&&this.header.children.length>0}get contentReady(){return this.contentState===Vn||this.hasEmptyContent}get contentAvailable(){return Boolean(this.contentReady&&this.hasRenderContent||this._expiredContent&&!this.contentFailed)}get hasUnloadedContent(){return this.hasRenderContent&&this.contentUnloaded}get contentUnloaded(){return this.contentState===jn}get contentExpired(){return this.contentState===Kn}get contentFailed(){return this.contentState===Qn}getScreenSpaceError(t,e){switch(this.tileset.type){case $n:return ls(this,t);case ts:return function(t,e,r){const n=t.tileset,s=t.parent&&t.parent.lodMetricValue||t.lodMetricValue,i=r?s:t.lodMetricValue;if(0===i)return 0;const o=Math.max(t._distanceToCamera,1e-7),{height:a,sseDenominator:c}=e,{viewDistanceScale:u}=n.options;let l=i*a*(u||1)/(o*c);return l-=us(n,o),l}(this,t,e);default:throw new Error("Unsupported tileset type")}}_getPriority(){const t=this.tileset._traverser,{skipLevelOfDetail:e}=t.options,r=this.refine===qn||e;if(r&&!this.isVisible&&void 0!==this._visible)return-1;if(this.tileset._frameNumber-this._touchedFrame>=1)return-1;if(this.contentState===jn)return-1;const n=this.parent,s=n&&(!r||0===this._screenSpaceError||n.hasTilesetContent)?n._screenSpaceError:this._screenSpaceError,i=t.root?t.root._screenSpaceError:0;return Math.max(i-s,0)}async loadContent(){if(this.hasEmptyContent)return!1;if(this.content)return!0;this.contentExpired&&(this._expireDate=null),this.contentState=kn;const t=await this.tileset._requestScheduler.scheduleRequest(this.id,this._getPriority.bind(this));if(!t)return this.contentState=jn,!1;try{const e=this.tileset.getTileUrl(this.contentUrl),r=this.tileset.loader,n={...this.tileset.loadOptions,[r.id]:{...this.tileset.loadOptions[r.id],isTileset:"json"===this.type,...this._getLoaderSpecificOptions(r.id)}};return this.content=await ie(e,r,n),this.tileset.options.contentLoader&&await this.tileset.options.contentLoader(this),this._isTileset()&&this.tileset._initializeTileHeaders(this.content,this),this.contentState=Vn,this._onContentLoaded(),!0}catch(t){throw this.contentState=Qn,t}finally{t.done()}}unloadContent(){return this.content&&this.content.destroy&&this.content.destroy(),this.content=null,this.header.content&&this.header.content.destroy&&this.header.content.destroy(),this.header.content=null,this.contentState=jn,!0}updateVisibility(t,e){if(this._frameNumber===t.frameNumber)return;const r=this.parent,n=r?r._visibilityPlaneMask:Mn.MASK_INDETERMINATE;if(this.tileset._traverser.options.updateTransforms){const t=r?r.computedTransform:this.tileset.modelMatrix;this._updateTransform(t)}this._distanceToCamera=this.distanceToTile(t),this._screenSpaceError=this.getScreenSpaceError(t,!1),this._visibilityPlaneMask=this.visibility(t,n),this._visible=this._visibilityPlaneMask!==Mn.MASK_OUTSIDE,this._inRequestVolume=this.insideViewerRequestVolume(t),this._frameNumber=t.frameNumber,this.viewportIds=e}visibility(t,e){const{cullingVolume:r}=t,{boundingVolume:n}=this;return r.computeVisibilityWithPlaneMask(n,e)}contentVisibility(){return!0}distanceToTile(t){const e=this.boundingVolume;return Math.sqrt(Math.max(e.distanceSquaredTo(t.camera.position),0))}cameraSpaceZDepth({camera:t}){const e=this.boundingVolume;return As.subVectors(e.center,t.position),t.direction.dot(As)}insideViewerRequestVolume(t){const e=this._viewerRequestVolume;return!e||e.distanceSquaredTo(t.camera.position)<=0}updateExpiration(){if(null!=this._expireDate&&this.contentReady&&!this.hasEmptyContent){const t=Date.now();Date.lessThan(this._expireDate,t)&&(this.contentState=Kn,this._expiredContent=this.content)}}get extras(){return this.header.extras}_initializeLodMetric(t){"lodMetricType"in t?this.lodMetricType=t.lodMetricType:(this.lodMetricType=this.parent&&this.parent.lodMetricType||this.tileset.lodMetricType,console.warn("3D Tile: Required prop lodMetricType is undefined. Using parent lodMetricType")),"lodMetricValue"in t?this.lodMetricValue=t.lodMetricValue:(this.lodMetricValue=this.parent&&this.parent.lodMetricValue||this.tileset.lodMetricValue,console.warn("3D Tile: Required prop lodMetricValue is undefined. Using parent lodMetricValue"))}_initializeTransforms(t){this.transform=t.transform?new rr(t.transform):new rr;const e=this.parent,r=this.tileset,n=e&&e.computedTransform?e.computedTransform.clone():r.modelMatrix.clone();this.computedTransform=new rr(n).multiplyRight(this.transform);const s=e&&e._initialTransform?e._initialTransform.clone():new rr;this._initialTransform=new rr(s).multiplyRight(this.transform)}_initializeBoundingVolumes(t){this._contentBoundingVolume=null,this._viewerRequestVolume=null,this._updateBoundingVolume(t)}_initializeContent(t){this.content={_tileset:this.tileset,_tile:this},this.hasEmptyContent=!0,this.contentState=jn,this.hasTilesetContent=!1,t.contentUrl&&(this.content=null,this.hasEmptyContent=!1)}_initializeRenderingState(t){this.depth=t.level||(this.parent?this.parent.depth+1:0),this._shouldRefine=!1,this._distanceToCamera=0,this._centerZDepth=0,this._screenSpaceError=0,this._visibilityPlaneMask=Mn.MASK_INDETERMINATE,this._visible=void 0,this._inRequestVolume=!1,this._stackLength=0,this._selectionDepth=0,this._frameNumber=0,this._touchedFrame=0,this._visitedFrame=0,this._selectedFrame=0,this._requestedFrame=0,this._priority=0}_getRefine(t){return t||this.parent&&this.parent.refine||zn}_isTileset(){return-1!==this.contentUrl.indexOf(".json")}_onContentLoaded(){switch(this.content&&this.content.type){case"vctr":case"geom":this.tileset._traverser.disableSkipLevelOfDetail=!0}this._isTileset()&&(this.hasTilesetContent=!0)}_updateBoundingVolume(t){this.boundingVolume=as(t.boundingVolume,this.computedTransform,this.boundingVolume);const e=t.content;e&&(e.boundingVolume&&(this._contentBoundingVolume=as(e.boundingVolume,this.computedTransform,this._contentBoundingVolume)),t.viewerRequestVolume&&(this._viewerRequestVolume=as(t.viewerRequestVolume,this.computedTransform,this._viewerRequestVolume)))}_updateTransform(t=new rr){const e=t.clone().multiplyRight(this.transform);!e.equals(this.computedTransform)&&(this.computedTransform=e,this._updateBoundingVolume(this.header))}_getLoaderSpecificOptions(t){return"i3s"===t?{...this.tileset.options.i3s,tile:this.header,tileset:this.tileset.tileset,isTileHeader:!1}:{assetGltfUpAxis:(e=this.tileset.tileset).asset&&e.asset.gltfUpAxis||"Y"};var e}}class ps extends fs{compareDistanceToCamera(t,e){return 0===e._distanceToCamera&&0===t._distanceToCamera?e._centerZDepth-t._centerZDepth:e._distanceToCamera-t._distanceToCamera}updateTileVisibility(t,e){if(super.updateTileVisibility(t,e),!t.isVisibleAndInRequestVolume)return;const r=t.children.length>0;if(t.hasTilesetContent&&r){const r=t.children[0];return this.updateTileVisibility(r,e),void(t._visible=r._visible)}if(this.meetsScreenSpaceErrorEarly(t,e))return void(t._visible=!1);const n=t.refine===zn,s=t._optimChildrenWithinParent===rs;n&&s&&r&&!this.anyChildrenVisible(t,e)&&(t._visible=!1)}meetsScreenSpaceErrorEarly(t,e){const{parent:r}=t;return!(!r||r.hasTilesetContent||r.refine!==qn)&&!this.shouldRefine(t,e,!0)}}const Bs="REQUESTED",gs="COMPLETED",ys="ERROR";class Cs{constructor(){p(this,"_statusMap",void 0),this._statusMap={}}add(t,e,r,n){this._statusMap[e]||(this._statusMap[e]={request:t,callback:r,key:e,frameState:n,status:Bs},t().then((t=>{this._statusMap[e].status=gs,this._statusMap[e].callback(t,n)})).catch((t=>{this._statusMap[e].status=ys,r(t)})))}update(t,e){this._statusMap[t]&&(this._statusMap[t].frameState=e)}find(t){return this._statusMap[t]}}class bs extends fs{constructor(t){super(t),p(this,"_tileManager",void 0),this._tileManager=new Cs}shouldRefine(t,e){return t._lodJudge=function(t,e){if(0===t.lodMetricValue||isNaN(t.lodMetricValue))return"DIG";const r=2*ls(t,e);return r<2?"OUT":!t.header.children||r<=t.lodMetricValue?"DRAW":t.header.children?"DIG":"OUT"}(t,e),"DIG"===t._lodJudge}updateChildTiles(t,e){const r=t.header.children||[],n=t.children,s=t.tileset;for(const i of r){const r="".concat(i.id,"-").concat(e.viewport.id),o=n&&n.find((t=>t.id===r));if(o)o&&this.updateTile(o,e);else{let n=()=>this._loadTile(i.id,s);this._tileManager.find(r)?this._tileManager.update(r,e):(s.tileset.nodePages&&(n=()=>s.tileset.nodePagesTile.formTileFromNodePages(i.id)),this._tileManager.add(n,r,(e=>this._onTileLoad(e,t,r)),e))}}return!1}async _loadTile(t,e){const{loader:r}=e,n=e.getTileUrl("".concat(e.url,"/nodes/").concat(t)),s={...e.loadOptions,i3s:{...e.loadOptions.i3s,isTileHeader:!0,loadContent:!1}};return await ie(n,r,s)}_onTileLoad(t,e,r){const n=new ms(e.tileset,t,e,r);e.children.push(n);const s=this._tileManager.find(n.id).frameState;this.updateTile(n,s),this._frameNumber===s.frameNumber&&this.executeTraversal(n,s)}}const ws={description:"",ellipsoid:Qr.WGS84,modelMatrix:new rr,throttleRequests:!0,maxRequests:64,maximumMemoryUsage:32,onTileLoad:()=>{},onTileUnload:()=>{},onTileError:()=>{},onTraversalComplete:t=>t,contentLoader:void 0,viewDistanceScale:1,maximumScreenSpaceError:8,loadTiles:!0,updateTransforms:!0,viewportTraversersMap:null,loadOptions:{fetch:{}},attributions:[],basePath:"",i3s:{}},Ts="Tiles In Tileset(s)",Es="Tiles In Memory",Ms="Tiles In View",vs="Tiles To Render",Is="Tiles Loaded",_s="Tiles Loading",Fs="Tiles Unloaded",Ds="Failed Tile Loads",Gs="Points",Rs="Tile Memory Use";class Ss{constructor(t,e){p(this,"options",void 0),p(this,"loadOptions",void 0),p(this,"type",void 0),p(this,"tileset",void 0),p(this,"loader",void 0),p(this,"url",void 0),p(this,"basePath",void 0),p(this,"modelMatrix",void 0),p(this,"ellipsoid",void 0),p(this,"lodMetricType",void 0),p(this,"lodMetricValue",void 0),p(this,"refine",void 0),p(this,"root",void 0),p(this,"roots",void 0),p(this,"asset",void 0),p(this,"description",void 0),p(this,"properties",void 0),p(this,"extras",void 0),p(this,"attributions",void 0),p(this,"credits",void 0),p(this,"stats",void 0),p(this,"traverseCounter",void 0),p(this,"geometricError",void 0),p(this,"selectedTiles",void 0),p(this,"cartographicCenter",void 0),p(this,"cartesianCenter",void 0),p(this,"zoom",void 0),p(this,"boundingVolume",void 0),p(this,"gpuMemoryUsageInBytes",void 0),p(this,"dynamicScreenSpaceErrorComputedDensity",void 0),p(this,"_traverser",void 0),p(this,"_cache",void 0),p(this,"_requestScheduler",void 0),p(this,"_frameNumber",void 0),p(this,"_queryParamsString",void 0),p(this,"_queryParams",void 0),p(this,"_extensionsUsed",void 0),p(this,"_tiles",void 0),p(this,"_pendingCount",void 0),p(this,"lastUpdatedVieports",void 0),p(this,"_requestedTiles",void 0),p(this,"_emptyTiles",void 0),p(this,"frameStateData",void 0),p(this,"maximumMemoryUsage",void 0),o(t),this.options={...ws,...e},this.tileset=t,this.loader=t.loader,this.type=t.type,this.url=t.url,this.basePath=t.basePath||W(this.url),this.modelMatrix=this.options.modelMatrix,this.ellipsoid=this.options.ellipsoid,this.lodMetricType=t.lodMetricType,this.lodMetricValue=t.lodMetricValue,this.refine=t.root.refine,this.loadOptions=this.options.loadOptions||{},this.root=null,this.roots={},this.cartographicCenter=null,this.cartesianCenter=null,this.zoom=1,this.boundingVolume=null,this.traverseCounter=0,this.geometricError=0,this._traverser=this._initializeTraverser(),this._cache=new Yr,this._requestScheduler=new q({throttleRequests:this.options.throttleRequests,maxRequests:this.options.maxRequests}),this._frameNumber=0,this._pendingCount=0,this._tiles={},this.selectedTiles=[],this._emptyTiles=[],this._requestedTiles=[],this.frameStateData={},this.lastUpdatedVieports=null,this._queryParams={},this._queryParamsString="",this.maximumMemoryUsage=this.options.maximumMemoryUsage||32,this.gpuMemoryUsageInBytes=0,this.stats=new K({id:this.url}),this._initializeStats(),this._extensionsUsed=void 0,this.dynamicScreenSpaceErrorComputedDensity=0,this.extras=null,this.asset={},this.credits={},this.description=this.options.description||"",this._initializeTileSet(t)}destroy(){this._destroy()}isLoaded(){return 0===this._pendingCount&&0!==this._frameNumber}get tiles(){return Object.values(this._tiles)}get frameNumber(){return this._frameNumber}get queryParams(){return this._queryParamsString||(this._queryParamsString=function(t){const e=[];for(const r of Object.keys(t))e.push("".concat(r,"=").concat(t[r]));switch(e.length){case 0:return"";case 1:return"?".concat(e[0]);default:return"?".concat(e.join("&"))}}(this._queryParams)),this._queryParamsString}setProps(t){this.options={...this.options,...t}}setOptions(t){this.options={...this.options,...t}}getTileUrl(t){return t.startsWith("data:")?t:"".concat(t).concat(this.queryParams)}hasExtension(t){return Boolean(this._extensionsUsed&&this._extensionsUsed.indexOf(t)>-1)}update(t){if("loadTiles"in this.options&&!this.options.loadTiles)return;if(this.traverseCounter>0)return;!t&&this.lastUpdatedVieports?t=this.lastUpdatedVieports:this.lastUpdatedVieports=t,t instanceof Array||(t=[t]),this._cache.reset(),this._frameNumber++,this.traverseCounter=t.length;const e=[];for(const r of t){const t=r.id;this._needTraverse(t)?e.push(t):this.traverseCounter--}for(const r of t){const t=r.id;if(this.roots[t]||(this.roots[t]=this._initializeTileHeaders(this.tileset,null)),!e.includes(t))continue;const n=Nn(r,this._frameNumber);this._traverser.traverse(this.roots[t],n,this.options)}}_needTraverse(t){let e=t;return this.options.viewportTraversersMap&&(e=this.options.viewportTraversersMap[t]),e===t}_onTraversalEnd(t){const e=t.viewport.id;this.frameStateData[e]||(this.frameStateData[e]={selectedTiles:[],_requestedTiles:[],_emptyTiles:[]});const r=this.frameStateData[e],n=Object.values(this._traverser.selectedTiles);r.selectedTiles=n,r._requestedTiles=Object.values(this._traverser.requestedTiles),r._emptyTiles=Object.values(this._traverser.emptyTiles),this.traverseCounter--,this.traverseCounter>0||this._updateTiles()}_updateTiles(){this.selectedTiles=[],this._requestedTiles=[],this._emptyTiles=[];for(const t in this.frameStateData){const e=this.frameStateData[t];this.selectedTiles=this.selectedTiles.concat(e.selectedTiles),this._requestedTiles=this._requestedTiles.concat(e._requestedTiles),this._emptyTiles=this._emptyTiles.concat(e._emptyTiles)}this.selectedTiles=this.options.onTraversalComplete(this.selectedTiles);for(const t of this.selectedTiles)this._tiles[t.id]=t;this._loadTiles(),this._unloadTiles(),this._updateStats()}_tilesChanged(t,e){if(t.length!==e.length)return!0;const r=new Set(t.map((t=>t.id))),n=new Set(e.map((t=>t.id)));let s=t.filter((t=>!n.has(t.id))).length>0;return s=s||e.filter((t=>!r.has(t.id))).length>0,s}_loadTiles(){for(const t of this._requestedTiles)t.contentUnloaded&&this._loadTile(t)}_unloadTiles(){this._cache.unloadTiles(this,((t,e)=>t._unloadTile(e)))}_updateStats(){let t=0,e=0;for(const r of this.selectedTiles)r.contentAvailable&&r.content&&(t++,r.content.pointCount&&(e+=r.content.pointCount));this.stats.get(Ms).count=this.selectedTiles.length,this.stats.get(vs).count=t,this.stats.get(Gs).count=e}_initializeTileSet(t){this.root=this._initializeTileHeaders(t,null),this.type===ts&&this._initializeCesiumTileset(t),this.type===$n&&this._initializeI3STileset(),this._calculateViewProps()}_calculateViewProps(){const t=this.root;o(t);const{center:e}=t.boundingVolume;if(!e)return console.warn("center was not pre-calculated for the root tile"),this.cartographicCenter=new Pe,void(this.zoom=1);this.cartographicCenter=Qr.WGS84.cartesianToCartographic(e,new Pe),this.cartesianCenter=e,this.zoom=Pn(t.boundingVolume)}_initializeStats(){this.stats.get(Ts),this.stats.get(_s),this.stats.get(Es),this.stats.get(Ms),this.stats.get(vs),this.stats.get(Is),this.stats.get(Fs),this.stats.get(Ds),this.stats.get(Gs,"memory"),this.stats.get(Rs,"memory")}_initializeTileHeaders(t,e){const r=new ms(this,t.root,e);if(e&&(e.children.push(r),r.depth=e.depth+1),this.type===ts){const t=[];for(t.push(r);t.length>0;){const e=t.pop();this.stats.get(Ts).incrementCount();const r=e.header.children||[];for(const n of r){const r=new ms(this,n,e);e.children.push(r),r.depth=e.depth+1,t.push(r)}}}return r}_initializeTraverser(){let t;switch(this.type){case ts:t=ps;break;case $n:t=bs;break;default:t=fs}return new t({basePath:this.basePath,onTraversalEnd:this._onTraversalEnd.bind(this)})}_destroyTileHeaders(t){this._destroySubtree(t)}async _loadTile(t){let e;try{this._onStartTileLoading(),e=await t.loadContent()}catch(e){this._onTileLoadError(t,e)}finally{this._onEndTileLoading(),this._onTileLoad(t,e)}}_onTileLoadError(t,e){this.stats.get(Ds).incrementCount();const r=e.message||e.toString(),n=t.url;console.error("A 3D tile failed to load: ".concat(t.url," ").concat(r)),this.options.onTileError(t,r,n)}_onTileLoad(t,e){e&&(t&&t.content&&function(t,e){o(t),o(e);const{rtcCenter:r,gltfUpAxis:n}=e,{computedTransform:s,boundingVolume:{center:i}}=t;let a=new rr(s);switch(r&&a.translate(r),n){case"Z":break;case"Y":const t=(new rr).rotateX(Math.PI/2);a=a.multiplyRight(t);break;case"X":const e=(new rr).rotateY(-Math.PI/2);a=a.multiplyRight(e)}e.isQuantized&&a.translate(e.quantizedVolumeOffset).scale(e.quantizedVolumeScale);const c=new Pe(i);e.cartesianModelMatrix=a,e.cartesianOrigin=c;const u=Qr.WGS84.cartesianToCartographic(c,new Pe),l=Qr.WGS84.eastNorthUpToFixedFrame(c).invert();e.cartographicModelMatrix=l.multiplyRight(a),e.cartographicOrigin=u,e.coordinateSystem||(e.modelMatrix=e.cartographicModelMatrix)}(t,t.content),this._addTileToCache(t),this.options.onTileLoad(t))}_onStartTileLoading(){this._pendingCount++,this.stats.get(_s).incrementCount()}_onEndTileLoading(){this._pendingCount--,this.stats.get(_s).decrementCount()}_addTileToCache(t){this._cache.add(this,t,(e=>e._updateCacheStats(t)))}_updateCacheStats(t){this.stats.get(Is).incrementCount(),this.stats.get(Es).incrementCount(),this.gpuMemoryUsageInBytes+=t.content.byteLength||0,this.stats.get(Rs).count=this.gpuMemoryUsageInBytes}_unloadTile(t){this.gpuMemoryUsageInBytes-=t.content&&t.content.byteLength||0,this.stats.get(Es).decrementCount(),this.stats.get(Fs).incrementCount(),this.stats.get(Rs).count=this.gpuMemoryUsageInBytes,this.options.onTileUnload(t),t.unloadContent()}_destroy(){const t=[];for(this.root&&t.push(this.root);t.length>0;){const e=t.pop();for(const r of e.children)t.push(r);this._destroyTile(e)}this.root=null}_destroySubtree(t){const e=t,r=[];for(r.push(e);r.length>0;){t=r.pop();for(const e of t.children)r.push(e);t!==e&&this._destroyTile(t)}e.children=[]}_destroyTile(t){this._cache.unloadTile(this,t),this._unloadTile(t),t.destroy()}_initializeCesiumTileset(t){if(this.asset=t.asset,!this.asset)throw new Error("Tileset must have an asset property.");if("0.0"!==this.asset.version&&"1.0"!==this.asset.version)throw new Error("The tileset must be 3D Tiles version 0.0 or 1.0.");"tilesetVersion"in this.asset&&(this._queryParams.v=this.asset.tilesetVersion),this.credits={attributions:this.options.attributions||[]},this.description=this.options.description||"",this.properties=t.properties,this.geometricError=t.geometricError,this._extensionsUsed=t.extensionsUsed,this.extras=t.extras}_initializeI3STileset(){this.loadOptions.i3s&&"token"in this.loadOptions.i3s&&(this._queryParams.token=this.loadOptions.i3s.token)}}const Os="3.1.4",xs="cmpt",Us="pnts",Ls="b3dm",Ns="i3dm",Hs="glTF";function Js(t,e,r){o(t instanceof ArrayBuffer);const n=new TextDecoder("utf8"),s=new Uint8Array(t,e,r);return n.decode(s)}const Ps={name:"Draco",id:"draco",module:"draco",shapes:["mesh"],version:"3.1.4",worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:"object"==typeof WebAssembly?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};class js{constructor(t,e){p(this,"fields",void 0),p(this,"metadata",void 0),function(t,e){if(!t)throw new Error(e||"loader assertion failed.")}(Array.isArray(t)),function(t){const e={};for(const r of t)e[r.name]&&console.warn("Schema: duplicated field name",r.name,r),e[r.name]=!0}(t),this.fields=t,this.metadata=e||new Map}compareTo(t){if(this.metadata!==t.metadata)return!1;if(this.fields.length!==t.fields.length)return!1;for(let e=0;e<this.fields.length;++e)if(!this.fields[e].compareTo(t.fields[e]))return!1;return!0}select(...t){const e=Object.create(null);for(const r of t)e[r]=!0;const r=this.fields.filter((t=>e[t.name]));return new js(r,this.metadata)}selectAt(...t){const e=t.map((t=>this.fields[t])).filter(Boolean);return new js(e,this.metadata)}assign(t){let e,r=this.metadata;if(t instanceof js){const n=t;e=n.fields,r=ks(ks(new Map,this.metadata),n.metadata)}else e=t;const n=Object.create(null);for(const t of this.fields)n[t.name]=t;for(const t of e)n[t.name]=t;const s=Object.values(n);return new js(s,r)}}function ks(t,e){return new Map([...t||new Map,...e||new Map])}class Vs{constructor(t,e,r=!1,n=new Map){p(this,"name",void 0),p(this,"type",void 0),p(this,"nullable",void 0),p(this,"metadata",void 0),this.name=t,this.type=e,this.nullable=r,this.metadata=n}get typeId(){return this.type&&this.type.typeId}clone(){return new Vs(this.name,this.type,this.nullable,this.metadata)}compareTo(t){return this.name===t.name&&this.type===t.type&&this.nullable===t.nullable&&this.metadata===t.metadata}toString(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}let Ks,Qs,qs,zs;!function(t){t[t.NONE=0]="NONE",t[t.Null=1]="Null",t[t.Int=2]="Int",t[t.Float=3]="Float",t[t.Binary=4]="Binary",t[t.Utf8=5]="Utf8",t[t.Bool=6]="Bool",t[t.Decimal=7]="Decimal",t[t.Date=8]="Date",t[t.Time=9]="Time",t[t.Timestamp=10]="Timestamp",t[t.Interval=11]="Interval",t[t.List=12]="List",t[t.Struct=13]="Struct",t[t.Union=14]="Union",t[t.FixedSizeBinary=15]="FixedSizeBinary",t[t.FixedSizeList=16]="FixedSizeList",t[t.Map=17]="Map",t[t.Dictionary=-1]="Dictionary",t[t.Int8=-2]="Int8",t[t.Int16=-3]="Int16",t[t.Int32=-4]="Int32",t[t.Int64=-5]="Int64",t[t.Uint8=-6]="Uint8",t[t.Uint16=-7]="Uint16",t[t.Uint32=-8]="Uint32",t[t.Uint64=-9]="Uint64",t[t.Float16=-10]="Float16",t[t.Float32=-11]="Float32",t[t.Float64=-12]="Float64",t[t.DateDay=-13]="DateDay",t[t.DateMillisecond=-14]="DateMillisecond",t[t.TimestampSecond=-15]="TimestampSecond",t[t.TimestampMillisecond=-16]="TimestampMillisecond",t[t.TimestampMicrosecond=-17]="TimestampMicrosecond",t[t.TimestampNanosecond=-18]="TimestampNanosecond",t[t.TimeSecond=-19]="TimeSecond",t[t.TimeMillisecond=-20]="TimeMillisecond",t[t.TimeMicrosecond=-21]="TimeMicrosecond",t[t.TimeNanosecond=-22]="TimeNanosecond",t[t.DenseUnion=-23]="DenseUnion",t[t.SparseUnion=-24]="SparseUnion",t[t.IntervalDayTime=-25]="IntervalDayTime",t[t.IntervalYearMonth=-26]="IntervalYearMonth"}(Ks||(Ks={}));class Ws{static isNull(t){return t&&t.typeId===Ks.Null}static isInt(t){return t&&t.typeId===Ks.Int}static isFloat(t){return t&&t.typeId===Ks.Float}static isBinary(t){return t&&t.typeId===Ks.Binary}static isUtf8(t){return t&&t.typeId===Ks.Utf8}static isBool(t){return t&&t.typeId===Ks.Bool}static isDecimal(t){return t&&t.typeId===Ks.Decimal}static isDate(t){return t&&t.typeId===Ks.Date}static isTime(t){return t&&t.typeId===Ks.Time}static isTimestamp(t){return t&&t.typeId===Ks.Timestamp}static isInterval(t){return t&&t.typeId===Ks.Interval}static isList(t){return t&&t.typeId===Ks.List}static isStruct(t){return t&&t.typeId===Ks.Struct}static isUnion(t){return t&&t.typeId===Ks.Union}static isFixedSizeBinary(t){return t&&t.typeId===Ks.FixedSizeBinary}static isFixedSizeList(t){return t&&t.typeId===Ks.FixedSizeList}static isMap(t){return t&&t.typeId===Ks.Map}static isDictionary(t){return t&&t.typeId===Ks.Dictionary}get typeId(){return Ks.NONE}compareTo(t){return this===t}}Qs=Symbol.toStringTag;class Ys extends Ws{constructor(t,e){super(),p(this,"isSigned",void 0),p(this,"bitWidth",void 0),this.isSigned=t,this.bitWidth=e}get typeId(){return Ks.Int}get[Qs](){return"Int"}toString(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}class Xs extends Ys{constructor(){super(!0,8)}}class Zs extends Ys{constructor(){super(!0,16)}}class $s extends Ys{constructor(){super(!0,32)}}class ti extends Ys{constructor(){super(!1,8)}}class ei extends Ys{constructor(){super(!1,16)}}class ri extends Ys{constructor(){super(!1,32)}}const ni=32,si=64;qs=Symbol.toStringTag;class ii extends Ws{constructor(t){super(),p(this,"precision",void 0),this.precision=t}get typeId(){return Ks.Float}get[qs](){return"Float"}toString(){return"Float".concat(this.precision)}}class oi extends ii{constructor(){super(ni)}}class ai extends ii{constructor(){super(si)}}zs=Symbol.toStringTag;class ci extends Ws{constructor(t,e){super(),p(this,"listSize",void 0),p(this,"children",void 0),this.listSize=t,this.children=[e]}get typeId(){return Ks.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[zs](){return"FixedSizeList"}toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}function ui(t,e,r){const n=function(t){switch(t.constructor){case Int8Array:return new Xs;case Uint8Array:return new ti;case Int16Array:return new Zs;case Uint16Array:return new ei;case Int32Array:return new $s;case Uint32Array:return new ri;case Float32Array:return new oi;case Float64Array:return new ai;default:throw new Error("array type not supported")}}(e.value),s=r||function(t){const e=new Map;"byteOffset"in t&&e.set("byteOffset",t.byteOffset.toString(10));"byteStride"in t&&e.set("byteStride",t.byteStride.toString(10));"normalized"in t&&e.set("normalized",t.normalized.toString());return e}(e);return new Vs(t,new ci(e.size,new Vs("value",n)),!1,s)}function li(t,e,r){return ui(t,e,r?hi(r.metadata):void 0)}function hi(t){const e=new Map;for(const r in t)e.set("".concat(r,".string"),JSON.stringify(t[r]));return e}const di={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},fi={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class Ai{constructor(t){p(this,"draco",void 0),p(this,"decoder",void 0),p(this,"metadataQuerier",void 0),this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(t,e={}){const r=new this.draco.DecoderBuffer;r.Init(new Int8Array(t),t.byteLength),this._disableAttributeTransforms(e);const n=this.decoder.GetEncodedGeometryType(r),s=n===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let t;switch(n){case this.draco.TRIANGULAR_MESH:t=this.decoder.DecodeBufferToMesh(r,s);break;case this.draco.POINT_CLOUD:t=this.decoder.DecodeBufferToPointCloud(r,s);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!t.ok()||!s.ptr){const e="DRACO decompression failed: ".concat(t.error_msg());throw new Error(e)}const i=this._getDracoLoaderData(s,n,e),o=this._getMeshData(s,i,e),a=function(t){let e=1/0,r=1/0,n=1/0,s=-1/0,i=-1/0,o=-1/0;const a=t.POSITION?t.POSITION.value:[],c=a&&a.length;for(let t=0;t<c;t+=3){const c=a[t],u=a[t+1],l=a[t+2];e=c<e?c:e,r=u<r?u:r,n=l<n?l:n,s=c>s?c:s,i=u>i?u:i,o=l>o?l:o}return[[e,r,n],[s,i,o]]}(o.attributes),c=function(t,e,r){const n=hi(e.metadata),s=[],i=function(t){const e={};for(const r in t){const n=t[r];e[n.name||"undefined"]=n}return e}(e.attributes);for(const e in t){const r=li(e,t[e],i[e]);s.push(r)}if(r){const t=li("indices",r);s.push(t)}return new js(s,n)}(o.attributes,i,o.indices);return{loader:"draco",loaderData:i,header:{vertexCount:s.num_points(),boundingBox:a},...o,schema:c}}finally{this.draco.destroy(r),s&&this.draco.destroy(s)}}_getDracoLoaderData(t,e,r){const n=this._getTopLevelMetadata(t),s=this._getDracoAttributes(t,r);return{geometry_type:e,num_attributes:t.num_attributes(),num_points:t.num_points(),num_faces:t instanceof this.draco.Mesh?t.num_faces():0,metadata:n,attributes:s}}_getDracoAttributes(t,e){const r={};for(let n=0;n<t.num_attributes();n++){const s=this.decoder.GetAttribute(t,n),i=this._getAttributeMetadata(t,n);r[s.unique_id()]={unique_id:s.unique_id(),attribute_type:s.attribute_type(),data_type:s.data_type(),num_components:s.num_components(),byte_offset:s.byte_offset(),byte_stride:s.byte_stride(),normalized:s.normalized(),attribute_index:n,metadata:i};const o=this._getQuantizationTransform(s,e);o&&(r[s.unique_id()].quantization_transform=o);const a=this._getOctahedronTransform(s,e);a&&(r[s.unique_id()].octahedron_transform=a)}return r}_getMeshData(t,e,r){const n=this._getMeshAttributes(e,t,r);if(!n.POSITION)throw new Error("DRACO: No position attribute found.");return t instanceof this.draco.Mesh?"triangle-strip"===r.topology?{topology:"triangle-strip",mode:4,attributes:n,indices:{value:this._getTriangleStripIndices(t),size:1}}:{topology:"triangle-list",mode:5,attributes:n,indices:{value:this._getTriangleListIndices(t),size:1}}:{topology:"point-list",mode:0,attributes:n}}_getMeshAttributes(t,e,r){const n={};for(const s of Object.values(t.attributes)){const t=this._deduceAttributeName(s,r);s.name=t;const{value:i,size:o}=this._getAttributeValues(e,s);n[t]={value:i,size:o,byteOffset:s.byte_offset,byteStride:s.byte_stride,normalized:s.normalized}}return n}_getTriangleListIndices(t){const e=3*t.num_faces(),r=4*e,n=this.draco._malloc(r);try{return this.decoder.GetTrianglesUInt32Array(t,r,n),new Uint32Array(this.draco.HEAPF32.buffer,n,e).slice()}finally{this.draco._free(n)}}_getTriangleStripIndices(t){const e=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(t,e),function(t){const e=t.size(),r=new Int32Array(e);for(let n=0;n<e;n++)r[n]=t.GetValue(n);return r}(e)}finally{this.draco.destroy(e)}}_getAttributeValues(t,e){const r=fi[e.data_type],n=e.num_components,s=t.num_points()*n,i=s*r.BYTES_PER_ELEMENT,o=function(t,e){switch(e){case Float32Array:return t.DT_FLOAT32;case Int8Array:return t.DT_INT8;case Int16Array:return t.DT_INT16;case Int32Array:return t.DT_INT32;case Uint8Array:return t.DT_UINT8;case Uint16Array:return t.DT_UINT16;case Uint32Array:return t.DT_UINT32;default:return t.DT_INVALID}}(this.draco,r);let a;const c=this.draco._malloc(i);try{const n=this.decoder.GetAttribute(t,e.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(t,n,o,i,c),a=new r(this.draco.HEAPF32.buffer,c,s).slice()}finally{this.draco._free(c)}return{value:a,size:n}}_deduceAttributeName(t,e){const r=t.unique_id;for(const[t,n]of Object.entries(e.extraAttributes||{}))if(n===r)return t;const n=t.attribute_type;for(const t in di){if(this.draco[t]===n)return di[t]}const s=e.attributeNameEntry||"name";return t.metadata[s]?t.metadata[s].string:"CUSTOM_ATTRIBUTE_".concat(r)}_getTopLevelMetadata(t){const e=this.decoder.GetMetadata(t);return this._getDracoMetadata(e)}_getAttributeMetadata(t,e){const r=this.decoder.GetAttributeMetadata(t,e);return this._getDracoMetadata(r)}_getDracoMetadata(t){if(!t||!t.ptr)return{};const e={},r=this.metadataQuerier.NumEntries(t);for(let n=0;n<r;n++){const r=this.metadataQuerier.GetEntryName(t,n);e[r]=this._getDracoMetadataField(t,r)}return e}_getDracoMetadataField(t,e){const r=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(t,e,r);const n=function(t){const e=t.size(),r=new Int32Array(e);for(let n=0;n<e;n++)r[n]=t.GetValue(n);return r}(r);return{int:this.metadataQuerier.GetIntEntry(t,e),string:this.metadataQuerier.GetStringEntry(t,e),double:this.metadataQuerier.GetDoubleEntry(t,e),intArray:n}}finally{this.draco.destroy(r)}}_disableAttributeTransforms(t){const{quantizedAttributes:e=[],octahedronAttributes:r=[]}=t,n=[...e,...r];for(const t of n)this.decoder.SkipAttributeTransform(this.draco[t])}_getQuantizationTransform(t,e){const{quantizedAttributes:r=[]}=e,n=t.attribute_type();if(r.map((t=>this.decoder[t])).includes(n)){const e=new this.draco.AttributeQuantizationTransform;try{if(e.InitFromAttribute(t))return{quantization_bits:e.quantization_bits(),range:e.range(),min_values:new Float32Array([1,2,3]).map((t=>e.min_value(t)))}}finally{this.draco.destroy(e)}}return null}_getOctahedronTransform(t,e){const{octahedronAttributes:r=[]}=e,n=t.attribute_type();if(r.map((t=>this.decoder[t])).includes(n)){const e=new 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e=this.getRequiredExtensions().find((e=>e===t));return e?this.getExtension(t):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(t,e){return(t.extensions||{})[e]}getScene(t){return this.getObject("scenes",t)}getNode(t){return this.getObject("nodes",t)}getSkin(t){return this.getObject("skins",t)}getMesh(t){return this.getObject("meshes",t)}getMaterial(t){return this.getObject("materials",t)}getAccessor(t){return this.getObject("accessors",t)}getTexture(t){return this.getObject("textures",t)}getSampler(t){return this.getObject("samplers",t)}getImage(t){return this.getObject("images",t)}getBufferView(t){return this.getObject("bufferViews",t)}getBuffer(t){return this.getObject("buffers",t)}getObject(t,e){if("object"==typeof e)return e;const r=this.json[t]&&this.json[t][e];if(!r)throw new Error("glTF file error: Could not find ".concat(t,"[").concat(e,"]"));return r}getTypedArrayForBufferView(t){const e=(t=this.getBufferView(t)).buffer,r=this.gltf.buffers[e];ra(r);const n=(t.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,n,t.byteLength)}getTypedArrayForAccessor(t){t=this.getAccessor(t);const e=this.getBufferView(t.bufferView),r=this.getBuffer(e.buffer).data,{ArrayType:n,length:s}=da(t,e);return new n(r,e.byteOffset+t.byteOffset,s)}getTypedArrayForImageData(t){t=this.getAccessor(t);const e=this.getBufferView(t.bufferView),r=this.getBuffer(e.buffer).data,n=e.byteOffset||0;return new Uint8Array(r,n,e.byteLength)}addApplicationData(t,e){return this.json[t]=e,this}addExtraData(t,e){return this.json.extras=this.json.extras||{},this.json.extras[t]=e,this}addObjectExtension(t,e,r){return t.extensions=t.extensions||{},t.extensions[e]=r,this.registerUsedExtension(e),this}setObjectExtension(t,e,r){(t.extensions||{})[e]=r}removeObjectExtension(t,e){const r=t.extensions||{},n=r[e];return delete r[e],n}addExtension(t,e={}){return ra(e),this.json.extensions=this.json.extensions||{},this.json.extensions[t]=e,this.registerUsedExtension(t),e}addRequiredExtension(t,e={}){return ra(e),this.addExtension(t,e),this.registerRequiredExtension(t),e}registerUsedExtension(t){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((e=>e===t))||this.json.extensionsUsed.push(t)}registerRequiredExtension(t){this.registerUsedExtension(t),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((e=>e===t))||this.json.extensionsRequired.push(t)}removeExtension(t){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,t),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,t),this.json.extensions&&delete this.json.extensions[t]}setDefaultScene(t){this.json.scene=t}addScene(t){const{nodeIndices:e}=t;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:e}),this.json.scenes.length-1}addNode(t){const{meshIndex:e,matrix:r}=t;this.json.nodes=this.json.nodes||[];const n={mesh:e};return r&&(n.matrix=r),this.json.nodes.push(n),this.json.nodes.length-1}addMesh(t){const{attributes:e,indices:r,material:n,mode:s=4}=t,i={primitives:[{attributes:this._addAttributes(e),mode:s}]};if(r){const t=this._addIndices(r);i.primitives[0].indices=t}return Number.isFinite(n)&&(i.primitives[0].material=n),this.json.meshes=this.json.meshes||[],this.json.meshes.push(i),this.json.meshes.length-1}addPointCloud(t){const e={primitives:[{attributes:this._addAttributes(t),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(e),this.json.meshes.length-1}addImage(t,e){const r=Yo(t),n=e||(null==r?void 0:r.mimeType),s={bufferView:this.addBufferView(t),mimeType:n};return this.json.images=this.json.images||[],this.json.images.push(s),this.json.images.length-1}addBufferView(t){const e=t.byteLength;ra(Number.isFinite(e)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(t);const r={buffer:0,byteOffset:this.byteLength,byteLength:e};return this.byteLength+=J(e,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(r),this.json.bufferViews.length-1}addAccessor(t,e){const r={bufferView:t,type:la(e.size),componentType:e.componentType,count:e.count,max:e.max,min:e.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(r),this.json.accessors.length-1}addBinaryBuffer(t,e={size:3}){const r=this.addBufferView(t);let n={min:e.min,max:e.max};n.min&&n.max||(n=this._getAccessorMinMax(t,e.size));const s={size:e.size,componentType:ha(t),count:Math.round(t.length/e.size),min:n.min,max:n.max};return this.addAccessor(r,Object.assign(s,e))}addTexture(t){const{imageIndex:e}=t,r={source:e};return this.json.textures=this.json.textures||[],this.json.textures.push(r),this.json.textures.length-1}addMaterial(t){return this.json.materials=this.json.materials||[],this.json.materials.push(t),this.json.materials.length-1}createBinaryChunk(){var t,e;this.gltf.buffers=[];const r=this.byteLength,n=new ArrayBuffer(r),s=new Uint8Array(n);let i=0;for(const t of this.sourceBuffers||[])i=P(t,s,i);null!==(t=this.json)&&void 0!==t&&null!==(e=t.buffers)&&void 0!==e&&e[0]?this.json.buffers[0].byteLength=r:this.json.buffers=[{byteLength:r}],this.gltf.binary=n,this.sourceBuffers=[n]}_removeStringFromArray(t,e){let r=!0;for(;r;){const n=t.indexOf(e);n>-1?t.splice(n,1):r=!1}}_addAttributes(t={}){const e={};for(const r in t){const n=t[r],s=this._getGltfAttributeName(r),i=this.addBinaryBuffer(n.value,n);e[s]=i}return e}_addIndices(t){return this.addBinaryBuffer(t,{size:1})}_getGltfAttributeName(t){switch(t.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return t}}_getAccessorMinMax(t,e){const r={min:null,max:null};if(t.length<e)return r;r.min=[],r.max=[];const n=t.subarray(0,e);for(const t of n)r.min.push(t),r.max.push(t);for(let n=e;n<t.length;n+=e)for(let s=0;s<e;s++)r.min[0+s]=Math.min(r.min[0+s],t[n+s]),r.max[0+s]=Math.max(r.max[0+s],t[n+s]);return r}}const ma="object"!=typeof WebAssembly,pa="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",Ba="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Ha="KHR_materials_unlit";const Ja="KHR_techniques_webgl";function Pa(t,e){const r=Object.assign({},t.values);return Object.keys(t.uniforms||{}).forEach((e=>{t.uniforms[e].value&&!(e in r)&&(r[e]=t.uniforms[e].value)})),Object.keys(r).forEach((t=>{"object"==typeof r[t]&&void 0!==r[t].index&&(r[t].texture=e.getTexture(r[t].index))})),r}const ja=[va,_a,Da,Ua,Na,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(t){const e=new Aa(t),{json:r}=e;e.removeExtension(Ha);for(const t of r.materials||[]){t.extensions&&t.extensions.KHR_materials_unlit&&(t.unlit=!0),e.removeObjectExtension(t,Ha)}},encode:function(t){const e=new Aa(t),{json:r}=e;if(e.materials)for(const t of r.materials||[])t.unlit&&(delete t.unlit,e.addObjectExtension(t,Ha,{}),e.addExtension(Ha))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(t){const e=new Aa(t),{json:r}=e,n=e.getExtension(Ja);if(n){const t=function(t,e){const{programs:r=[],shaders:n=[],techniques:s=[]}=t,i=new TextDecoder;return n.forEach((t=>{if(!Number.isFinite(t.bufferView))throw new Error("KHR_techniques_webgl: no shader code");t.code=i.decode(e.getTypedArrayForBufferView(t.bufferView))})),r.forEach((t=>{t.fragmentShader=n[t.fragmentShader],t.vertexShader=n[t.vertexShader]})),s.forEach((t=>{t.program=r[t.program]})),s}(n,e);for(const n of r.materials||[]){const r=e.getObjectExtension(n,Ja);r&&(n.technique=Object.assign({},r,t[r.technique]),n.technique.values=Pa(n.technique,e)),e.removeObjectExtension(n,Ja)}e.removeExtension(Ja)}},encode:async function(t,e){}})];function ka(t,e){var r;const n=(null==e||null===(r=e.gltf)||void 0===r?void 0:r.excludeExtensions)||{};return!(t in n&&!n[t])}const Va="KHR_binary_glTF";const Ka={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},Qa={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class qa{constructor(){p(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),p(this,"json",void 0)}normalize(t,e){this.json=t.json;const r=t.json;switch(r.asset&&r.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(r.asset.version))}if(!e.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(r),this._convertTopLevelObjectsToArrays(r),function(t){const e=new Aa(t),{json:r}=e;for(const t of r.images||[]){const r=e.getObjectExtension(t,Va);r&&Object.assign(t,r),e.removeObjectExtension(t,Va)}r.buffers&&r.buffers[0]&&delete r.buffers[0].uri,e.removeExtension(Va)}(t),this._convertObjectIdsToArrayIndices(r),this._updateObjects(r),this._updateMaterial(r)}_addAsset(t){t.asset=t.asset||{},t.asset.version="2.0",t.asset.generator=t.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(t){for(const e in Ka)this._convertTopLevelObjectToArray(t,e)}_convertTopLevelObjectToArray(t,e){const r=t[e];if(r&&!Array.isArray(r)){t[e]=[];for(const n in r){const s=r[n];s.id=s.id||n;const i=t[e].length;t[e].push(s),this.idToIndexMap[e][n]=i}}}_convertObjectIdsToArrayIndices(t){for(const e in Ka)this._convertIdsToIndices(t,e);"scene"in t&&(t.scene=this._convertIdToIndex(t.scene,"scene"));for(const e of t.textures)this._convertTextureIds(e);for(const e of t.meshes)this._convertMeshIds(e);for(const e of t.nodes)this._convertNodeIds(e);for(const e of t.scenes)this._convertSceneIds(e)}_convertTextureIds(t){t.source&&(t.source=this._convertIdToIndex(t.source,"image"))}_convertMeshIds(t){for(const e of t.primitives){const{attributes:t,indices:r,material:n}=e;for(const e in t)t[e]=this._convertIdToIndex(t[e],"accessor");r&&(e.indices=this._convertIdToIndex(r,"accessor")),n&&(e.material=this._convertIdToIndex(n,"material"))}}_convertNodeIds(t){t.children&&(t.children=t.children.map((t=>this._convertIdToIndex(t,"node")))),t.meshes&&(t.meshes=t.meshes.map((t=>this._convertIdToIndex(t,"mesh"))))}_convertSceneIds(t){t.nodes&&(t.nodes=t.nodes.map((t=>this._convertIdToIndex(t,"node"))))}_convertIdsToIndices(t,e){t[e]||(console.warn("gltf v1: json doesn't contain attribute ".concat(e)),t[e]=[]);for(const r of t[e])for(const t in r){const e=r[t],n=this._convertIdToIndex(e,t);r[t]=n}}_convertIdToIndex(t,e){const r=Qa[e];if(r in this.idToIndexMap){const n=this.idToIndexMap[r][t];if(!Number.isFinite(n))throw new Error("gltf v1: failed to resolve ".concat(e," with id ").concat(t));return n}return t}_updateObjects(t){for(const t of this.json.buffers)delete t.type}_updateMaterial(t){for(const e of t.materials){e.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=e.values&&e.values.tex,n=t.textures.findIndex((t=>t.id===r));-1!==n&&(e.pbrMetallicRoughness.baseColorTexture={index:n})}}}const za={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Wa={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Ya=10240,Xa=10241,Za=10242,$a=10243,tc=10497,ec={magFilter:Ya,minFilter:Xa,wrapS:Za,wrapT:$a},rc={[Ya]:9729,[Xa]:9986,[Za]:tc,[$a]:tc};class nc{constructor(){p(this,"baseUri",""),p(this,"json",{}),p(this,"buffers",[]),p(this,"images",[])}postProcess(t,e={}){const{json:r,buffers:n=[],images:s=[],baseUri:i=""}=t;return ra(r),this.baseUri=i,this.json=r,this.buffers=n,this.images=s,this._resolveTree(this.json,e),this.json}_resolveTree(t,e={}){t.bufferViews&&(t.bufferViews=t.bufferViews.map(((t,e)=>this._resolveBufferView(t,e)))),t.images&&(t.images=t.images.map(((t,e)=>this._resolveImage(t,e)))),t.samplers&&(t.samplers=t.samplers.map(((t,e)=>this._resolveSampler(t,e)))),t.textures&&(t.textures=t.textures.map(((t,e)=>this._resolveTexture(t,e)))),t.accessors&&(t.accessors=t.accessors.map(((t,e)=>this._resolveAccessor(t,e)))),t.materials&&(t.materials=t.materials.map(((t,e)=>this._resolveMaterial(t,e)))),t.meshes&&(t.meshes=t.meshes.map(((t,e)=>this._resolveMesh(t,e)))),t.nodes&&(t.nodes=t.nodes.map(((t,e)=>this._resolveNode(t,e)))),t.skins&&(t.skins=t.skins.map(((t,e)=>this._resolveSkin(t,e)))),t.scenes&&(t.scenes=t.scenes.map(((t,e)=>this._resolveScene(t,e)))),void 0!==t.scene&&(t.scene=t.scenes[this.json.scene])}getScene(t){return this._get("scenes",t)}getNode(t){return this._get("nodes",t)}getSkin(t){return this._get("skins",t)}getMesh(t){return this._get("meshes",t)}getMaterial(t){return this._get("materials",t)}getAccessor(t){return this._get("accessors",t)}getCamera(t){return null}getTexture(t){return this._get("textures",t)}getSampler(t){return this._get("samplers",t)}getImage(t){return this._get("images",t)}getBufferView(t){return this._get("bufferViews",t)}getBuffer(t){return this._get("buffers",t)}_get(t,e){if("object"==typeof e)return e;const r=this.json[t]&&this.json[t][e];return r||console.warn("glTF file error: Could not find ".concat(t,"[").concat(e,"]")),r}_resolveScene(t,e){return t.id=t.id||"scene-".concat(e),t.nodes=(t.nodes||[]).map((t=>this.getNode(t))),t}_resolveNode(t,e){return t.id=t.id||"node-".concat(e),t.children&&(t.children=t.children.map((t=>this.getNode(t)))),void 0!==t.mesh?t.mesh=this.getMesh(t.mesh):void 0!==t.meshes&&t.meshes.length&&(t.mesh=t.meshes.reduce(((t,e)=>{const r=this.getMesh(e);return t.id=r.id,t.primitives=t.primitives.concat(r.primitives),t}),{primitives:[]})),void 0!==t.camera&&(t.camera=this.getCamera(t.camera)),void 0!==t.skin&&(t.skin=this.getSkin(t.skin)),t}_resolveSkin(t,e){return t.id=t.id||"skin-".concat(e),t.inverseBindMatrices=this.getAccessor(t.inverseBindMatrices),t}_resolveMesh(t,e){return t.id=t.id||"mesh-".concat(e),t.primitives&&(t.primitives=t.primitives.map((t=>{const e=(t={...t}).attributes;t.attributes={};for(const r in e)t.attributes[r]=this.getAccessor(e[r]);return void 0!==t.indices&&(t.indices=this.getAccessor(t.indices)),void 0!==t.material&&(t.material=this.getMaterial(t.material)),t}))),t}_resolveMaterial(t,e){if(t.id=t.id||"material-".concat(e),t.normalTexture&&(t.normalTexture={...t.normalTexture},t.normalTexture.texture=this.getTexture(t.normalTexture.index)),t.occlusionTexture&&(t.occlustionTexture={...t.occlustionTexture},t.occlusionTexture.texture=this.getTexture(t.occlusionTexture.index)),t.emissiveTexture&&(t.emmisiveTexture={...t.emmisiveTexture},t.emissiveTexture.texture=this.getTexture(t.emissiveTexture.index)),t.emissiveFactor||(t.emissiveFactor=t.emmisiveTexture?[1,1,1]:[0,0,0]),t.pbrMetallicRoughness){t.pbrMetallicRoughness={...t.pbrMetallicRoughness};const e=t.pbrMetallicRoughness;e.baseColorTexture&&(e.baseColorTexture={...e.baseColorTexture},e.baseColorTexture.texture=this.getTexture(e.baseColorTexture.index)),e.metallicRoughnessTexture&&(e.metallicRoughnessTexture={...e.metallicRoughnessTexture},e.metallicRoughnessTexture.texture=this.getTexture(e.metallicRoughnessTexture.index))}return t}_resolveAccessor(t,e){var r,n;if(t.id=t.id||"accessor-".concat(e),void 0!==t.bufferView&&(t.bufferView=this.getBufferView(t.bufferView)),t.bytesPerComponent=(r=t.componentType,Wa[r]),t.components=(n=t.type,za[n]),t.bytesPerElement=t.bytesPerComponent*t.components,t.bufferView){const e=t.bufferView.buffer,{ArrayType:r,byteLength:n}=da(t,t.bufferView),s=(t.bufferView.byteOffset||0)+(t.byteOffset||0)+e.byteOffset;let i=e.arrayBuffer.slice(s,s+n);t.bufferView.byteStride&&(i=this._getValueFromInterleavedBuffer(e,s,t.bufferView.byteStride,t.bytesPerElement,t.count)),t.value=new r(i)}return t}_getValueFromInterleavedBuffer(t,e,r,n,s){const i=new Uint8Array(s*n);for(let o=0;o<s;o++){const s=e+o*r;i.set(new Uint8Array(t.arrayBuffer.slice(s,s+n)),o*n)}return i.buffer}_resolveTexture(t,e){return t.id=t.id||"texture-".concat(e),t.sampler="sampler"in t?this.getSampler(t.sampler):rc,t.source=this.getImage(t.source),t}_resolveSampler(t,e){t.id=t.id||"sampler-".concat(e),t.parameters={};for(const e in t){const r=this._enumSamplerParameter(e);void 0!==r&&(t.parameters[r]=t[e])}return t}_enumSamplerParameter(t){return ec[t]}_resolveImage(t,e){t.id=t.id||"image-".concat(e),void 0!==t.bufferView&&(t.bufferView=this.getBufferView(t.bufferView));const r=this.images[e];return r&&(t.image=r),t}_resolveBufferView(t,e){const r=t.buffer,n={id:"bufferView-".concat(e),...t,buffer:this.buffers[r]},s=this.buffers[r].arrayBuffer;let i=this.buffers[r].byteOffset||0;return"byteOffset"in t&&(i+=t.byteOffset),n.data=new Uint8Array(s,i,t.byteLength),n}_resolveCamera(t,e){return t.id=t.id||"camera-".concat(e),t.perspective,t.orthographic,t}}const sc=1735152710,ic=1313821514,oc=5130562,ac=!0;function cc(t,e,r=0,n={}){const s=new DataView(e),i=function(t,e=0){return"".concat(String.fromCharCode(t.getUint8(e+0))).concat(String.fromCharCode(t.getUint8(e+1))).concat(String.fromCharCode(t.getUint8(e+2))).concat(String.fromCharCode(t.getUint8(e+3)))}(s,r+0),a=s.getUint32(r+4,ac),c=s.getUint32(r+8,ac);switch(Object.assign(t,{header:{byteOffset:r,byteLength:c,hasBinChunk:!1},type:i,version:a,json:{},binChunks:[]}),r+=12,t.version){case 1:return function(t,e,r){o(t.header.byteLength>20);const n=e.getUint32(r+0,ac),s=e.getUint32(r+4,ac);return r+=8,o(0===s),uc(t,e,r,n),r+=n,r+=lc(t,e,r,t.header.byteLength)}(t,s,r);case 2:return function(t,e,r,n){return o(t.header.byteLength>20),function(t,e,r,n){for(;r+8<=t.header.byteLength;){const s=e.getUint32(r+0,ac),i=e.getUint32(r+4,ac);switch(r+=8,i){case ic:uc(t,e,r,s);break;case oc:lc(t,e,r,s);break;case 0:n.strict||uc(t,e,r,s);break;case 1:n.strict||lc(t,e,r,s)}r+=J(s,4)}}(t,e,r,n),r+t.header.byteLength}(t,s,r,{});default:throw new Error("Invalid GLB version ".concat(t.version,". Only supports v1 and v2."))}}function uc(t,e,r,n){const s=new Uint8Array(e.buffer,r,n),i=new TextDecoder("utf8").decode(s);return t.json=JSON.parse(i),J(n,4)}function lc(t,e,r,n){return t.header.hasBinChunk=!0,t.binChunks.push({byteOffset:r,byteLength:n,arrayBuffer:e.buffer}),J(n,4)}async function hc(t,e,r=0,n,s){var i,o,a,c;!function(t,e,r,n){n.uri&&(t.baseUri=n.uri);if(e instanceof ArrayBuffer&&!function(t,e=0,r={}){const n=new DataView(t),{magic:s=sc}=r,i=n.getUint32(e,!1);return i===s||i===sc}(e,r,n)){e=(new TextDecoder).decode(e)}if("string"==typeof e)t.json=U(e);else if(e instanceof ArrayBuffer){const s={};r=cc(s,e,r,n.glb),ra("glTF"===s.type,"Invalid GLB magic string ".concat(s.type)),t._glb=s,t.json=s.json}else ra(!1,"GLTF: must be ArrayBuffer or string");const s=t.json.buffers||[];if(t.buffers=new Array(s.length).fill(null),t._glb&&t._glb.header.hasBinChunk){const{binChunks:e}=t._glb;t.buffers[0]={arrayBuffer:e[0].arrayBuffer,byteOffset:e[0].byteOffset,byteLength:e[0].byteLength}}const i=t.json.images||[];t.images=new Array(i.length).fill({})}(t,e,r,n),function(t,e={}){(new qa).normalize(t,e)}(t,{normalize:null==n||null===(i=n.gltf)||void 0===i?void 0:i.normalize}),function(t,e={},r){const n=ja.filter((t=>ka(t.name,e)));for(const i of n){var s;null===(s=i.preprocess)||void 0===s||s.call(i,t,e,r)}}(t,n,s);const u=[];if(null!=n&&null!==(o=n.gltf)&&void 0!==o&&o.loadBuffers&&t.json.buffers&&await async function(t,e,r){const n=t.json.buffers||[];for(let o=0;o<n.length;++o){const a=n[o];if(a.uri){var s,i;const{fetch:n}=r;ra(n);const c=na(a.uri,e),u=await(null==r||null===(s=r.fetch)||void 0===s?void 0:s.call(r,c)),l=await(null==u||null===(i=u.arrayBuffer)||void 0===i?void 0:i.call(u));t.buffers[o]={arrayBuffer:l,byteOffset:0,byteLength:l.byteLength},delete a.uri}}}(t,n,s),null!=n&&null!==(a=n.gltf)&&void 0!==a&&a.loadImages){const e=async function(t,e,r){const n=function(t){const e=new Set,r=t.json.textures||[];for(const t of r)void 0!==t.source&&e.add(t.source);return Array.from(e).sort()}(t),s=t.json.images||[],i=[];for(const o of n)i.push(dc(t,s[o],o,e,r));return await Promise.all(i)}(t,n,s);u.push(e)}const l=async function(t,e={},r){const n=ja.filter((t=>ka(t.name,e)));for(const i of n){var s;await(null===(s=i.decode)||void 0===s?void 0:s.call(i,t,e,r))}}(t,n,s);return u.push(l),await Promise.all(u),null!=n&&null!==(c=n.gltf)&&void 0!==c&&c.postProcess?function(t,e){return(new nc).postProcess(t,e)}(t,n):t}async function dc(t,e,r,n,s){const{fetch:i,parse:o}=s;let a;if(e.uri){const t=na(e.uri,n),r=await i(t);a=await r.arrayBuffer()}if(Number.isFinite(e.bufferView)){const r=function(t,e,r){const n=t.bufferViews[r];ra(n);const s=e[n.buffer];ra(s);const i=(n.byteOffset||0)+s.byteOffset;return new Uint8Array(s.arrayBuffer,i,n.byteLength)}(t.json,t.buffers,e.bufferView);a=H(r.buffer,r.byteOffset,r.byteLength)}ra(a,"glTF image has no data");let c=await o(a,[Zo,So],{mimeType:e.mimeType,basis:n.basis||{format:Ro()}},s);c&&c[0]&&(c={compressed:!0,mipmaps:!1,width:c[0].width,height:c[0].height,data:c}),t.images=t.images||[],t.images[r]=c}const fc={name:"glTF",id:"gltf",module:"gltf",version:"3.1.4",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(t,e={},r){(e={...fc.options,...e}).gltf={...fc.options.gltf,...e.gltf};const{byteOffset:n=0}=e;return await hc({},t,n,e,r)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};const Ac=0,mc=1;function pc(t,e,r,n){t.rotateYtoZ=!0;const s=t.byteOffset+t.byteLength-r;if(0===s)throw new Error("glTF byte length must be greater than 0.");return t.gltfUpAxis=n["3d-tiles"]&&n["3d-tiles"].assetGltfUpAxis?n["3d-tiles"].assetGltfUpAxis:"Y",t.gltfArrayBuffer=H(e,r,s),t.gltfByteOffset=0,t.gltfByteLength=s,r%4==0||console.warn("".concat(t.type,": embedded glb is not aligned to a 4-byte boundary.")),t.byteOffset+t.byteLength}async function Bc(t,e,r,n){const s=r["3d-tiles"]||{};if(function(t,e,r){switch(e){case Ac:const e=new Uint8Array(t.gltfArrayBuffer,t.gltfByteOffset),r=(new TextDecoder).decode(e);t.gltfUrl=r.replace(/[\s\0]+$/,""),delete t.gltfArrayBuffer,delete t.gltfByteOffset,delete t.gltfByteLength;break;case mc:break;default:throw new Error("b3dm: Illegal glTF format field")}}(t,e),s.loadGLTF){const{parse:e,fetch:s}=n;t.gltfUrl&&(t.gltfArrayBuffer=await s(t.gltfUrl,r),t.gltfByteOffset=0),t.gltfArrayBuffer&&(t.gltf=await e(t.gltfArrayBuffer,fc,r,n),delete t.gltfArrayBuffer,delete t.gltfByteOffset,delete t.gltfByteLength)}}async function gc(t,e,r,n,s){var i;r=function(t,e,r,n,s){r=Vi(t,e,r),r=Qi(t,e,r),r=qi(t,e,r),r=pc(t,e,r,n);const i=new Ri(t.featureTableJson,t.featureTableBinary);return t.rtcCenter=i.getGlobalProperty("RTC_CENTER",Ti.FLOAT,3),r}(t,e,r,n),await Bc(t,mc,n,s);const o=null==t||null===(i=t.gltf)||void 0===i?void 0:i.extensions;return o&&o.CESIUM_RTC&&(t.rtcCenter=o.CESIUM_RTC.center),r}async function yc(t,e,r,n,s){return r=function(t,e,r,n,s){if(r=Vi(t,e,r),1!==t.version)throw new Error("Instanced 3D Model version ".concat(t.version," is not supported"));r=Qi(t,e,r);const i=new DataView(e);if(t.gltfFormat=i.getUint32(r,!0),r=qi(t,e,r+=4),r=pc(t,e,r,n),0===t.featureTableJsonByteLength)throw new Error("i3dm parser: featureTableJsonByteLength is zero.");const o=new Ri(t.featureTableJson,t.featureTableBinary),a=o.getGlobalProperty("INSTANCES_LENGTH");if(o.featuresLength=a,!Number.isFinite(a))throw new Error("i3dm parser: INSTANCES_LENGTH must be 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e.Color(.92105,.31489,.05475)],[.93,new e.Color(.81608,.18462,.01809)],[1,new e.Color(.66449,.08436,.00424)]],RAINBOW:[[0,new e.Color(.278,0,.714)],[1/6,new e.Color(0,0,1)],[2/6,new e.Color(0,1,1)],[.5,new e.Color(0,1,0)],[4/6,new e.Color(1,1,0)],[5/6,new e.Color(1,.64,0)],[1,new e.Color(1,0,0)]],CONTOUR:[[0,new e.Color(0,0,0)],[.03,new e.Color(0,0,0)],[.04,new e.Color(1,1,1)],[1,new e.Color(1,1,1)]]};var Vc,Kc,Qc;t.PointCloudColoring=void 0,(Vc=t.PointCloudColoring||(t.PointCloudColoring={}))[Vc.Intensity=1]="Intensity",Vc[Vc.Classification=2]="Classification",Vc[Vc.Elevation=3]="Elevation",Vc[Vc.RGB=4]="RGB",Vc[Vc.White=5]="White",t.Shading=void 0,(Kc=t.Shading||(t.Shading={}))[Kc.FlatTexture=1]="FlatTexture",Kc[Kc.ShadedTexture=2]="ShadedTexture",Kc[Kc.ShadedNoTexture=3]="ShadedNoTexture",t.GeoTransform=void 0,(Qc=t.GeoTransform||(t.GeoTransform={}))[Qc.Reset=1]="Reset",Qc[Qc.Mercator=2]="Mercator",Qc[Qc.WGS84Cartesian=3]="WGS84Cartesian";const qc="undefined"!=typeof document?Hc(kc.RAINBOW):null,zc="undefined"!=typeof document?Hc(kc.GRAYSCALE):null,Wc={throttleRequests:!0,maxRequests:64,updateInterval:.1,maxConcurrency:1,maximumScreenSpaceError:16,maximumMemoryUsage:32,viewDistanceScale:1,skipLevelOfDetail:!1,updateTransforms:!0,shading:t.Shading.FlatTexture,transparent:!1,pointCloudColoring:t.PointCloudColoring.White,pointSize:1,worker:!0,wireframe:!1,debug:!1,basisTranscoderPath:null,dracoDecoderPath:null,material:null,computeNormals:!1,shaderCallback:null,geoTransform:t.GeoTransform.Reset,preloadTilesCount:null};function Yc(t){var e,r,n,s;(null===(e=null==t?void 0:t.uniforms)||void 0===e?void 0:e.map)?null===(n=null===(r=null==t?void 0:t.uniforms)||void 0===r?void 0:r.map.value)||void 0===n||n.dispose():t.map&&(null===(s=t.map)||void 0===s||s.dispose()),t.dispose()}function Xc(t){t.traverse((t=>{if(t.isMesh)if(t.geometry.dispose(),t.material.isMaterial)Yc(t.material);else for(const e of t.material)Yc(e)}));for(let e=t.children.length-1;e>=0;e--){const r=t.children[e];t.remove(r)}}t.Loader3DTiles=class{static load(o){return i(this,void 0,void 0,(function*(){const a=Object.assign(Object.assign({},Wc),o.options),{url:c}=o,u=a.updateInterval,l={};if(a.cesiumIONToken){l["cesium-ion"]={accessToken:a.cesiumIONToken};const t=yield Nc.preload(c,l);l.fetch={headers:t.headers}}o.loadingManager&&o.loadingManager.itemStart(c);const h=yield ie(c,xc,Object.assign({},l)),d={},f={},A=[],m=new e.Group,p=new e.Group;a.debug||(p.visible=!1);const B={pointSize:{type:"f",value:a.pointSize},gradient:{type:"t",value:qc},grayscale:{type:"t",value:zc},rootCenter:{type:"vec3",value:new e.Vector3},rootNormal:{type:"vec3",value:new e.Vector3},coloring:{type:"i",value:a.pointCloudColoring},hideGround:{type:"b",value:!0},elevationRange:{type:"vec2",value:new e.Vector2(0,400)},maxIntensity:{type:"f",value:1},intensityContrast:{type:"f",value:1},alpha:{type:"f",value:1}},g=new e.ShaderMaterial({uniforms:B,vertexShader:"\n  varying vec3 vColor;\n  uniform sampler2D gradient;\n  uniform sampler2D grayscale;\n  attribute float intensity;\n  attribute float classification;\n  uniform vec3 rootCenter;\n  uniform vec3 rootNormal;\n  uniform vec2 elevationRange;\n  uniform int coloring;\n  uniform bool hideGround;\n  uniform float maxIntensity;\n  uniform float intensityContrast;\n  uniform float pointSize;\n\n  #ifdef USE_COLOR\n  vec3 getRGB() {\n      vec3 rgb = color;\n      return rgb;\n  }\n  #endif\n\n  vec3 getElevation(){\n    vec4 world = modelMatrix * vec4( position, 1.0 );\n    float diff = abs(dot(rootNormal, (vec3(world) - rootCenter)));\n    float w = max(diff - elevationRange.x,0.0) / max(elevationRange.y - elevationRange.x,1.0);\n    vec3 cElevation = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\n    return cElevation;\n  }\n\n  vec3 getIntensity(){\n    // TODO: real contrast enhancement. Check https://github.com/yuki-koyama/enhancer/blob/master/shaders/enhancer.fs\n    float intmod = pow(intensity, intensityContrast);\n    vec3 cIntensity = texture2D(grayscale, vec2(intmod / maxIntensity ,1.0-(intmod / maxIntensity))).rgb;\n    return cIntensity;\n  }\n\n  vec3 getClassification(){\n    float classNormalized = classification / 255.0;\n    vec3 cClassification = texture2D(gradient, vec2(classNormalized * 5.0,1.0-classNormalized * 5.0)).rgb;\n    return cClassification;\n  }\n\n  vec3 getColor(){\n      vec3 color;\n      if (hideGround && classification == 2.0) {\n         return vec3(0.0, 0.0, 0.0);               \n      }\n\n      if (coloring == 1) {\n        color = getIntensity();\n      }\n      else if (coloring == 2) {\n        color = getClassification();\n      } else if (coloring == 3) {\n        color = getElevation();\n      } \n      #ifdef USE_COLOR\n      else if (coloring == 4) {\n        color = getRGB();\n      }\n      #endif\n      else {\n        color = vec3(1.0, 1.0, 1.0);\n      }\n      return color;\n  }\n\n  void main() {\n      vColor = getColor();\n\n      gl_PointSize = pointSize;\n      gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n  }\n",fragmentShader:"\n  varying vec3 vColor;\n  uniform float alpha;\n\n  void main() {\n    if (vColor == vec3(0.0, 0.0, 0.0)) {\n      discard;\n    } else {\n      gl_FragColor = vec4( vColor, alpha);\n    }\n  }\n",transparent:a.transparent,vertexColors:!0});let y=null,C=null;const b=new r.GLTFLoader;let w,T;a.basisTranscoderPath&&(w=new s.KTX2Loader,w.detectSupport(o.renderer),w.setTranscoderPath(a.basisTranscoderPath+"/"),w.setWorkerLimit(1),b.setKTX2Loader(w)),a.dracoDecoderPath&&(T=new n.DRACOLoader,T.setDecoderPath(a.dracoDecoderPath+"/"),T.setWorkerLimit(a.maxConcurrency),b.setDRACOLoader(T));const E=new e.MeshBasicMaterial({transparent:a.transparent}),M={maximumMemoryUsage:a.maximumMemoryUsage,maximumScreenSpaceError:a.maximumScreenSpaceError,viewDistanceScale:a.viewDistanceScale,skipLevelOfDetail:a.skipLevelOfDetail,updateTransforms:a.updateTransforms,throttleRequests:a.throttleRequests,maxRequests:a.maxRequests,contentLoader:r=>i(this,void 0,void 0,(function*(){let n=null;switch(r.type){case Xn:n=function(t,r,n,s){const i={rtc_center:t.content.rtcCenter,points:t.content.attributes.positions,intensities:t.content.attributes.intensity,classifications:t.content.attributes.classification,rgb:null,rgba:null},{colors:o}=t.content.attributes;o&&3===o.size&&(i.rgb=o.value);o&&4===o.size&&(i.rgba=o.value);const a=new e.BufferGeometry;a.setAttribute("position",new e.Float32BufferAttribute(i.points,3));const c=(new e.Matrix4).fromArray(t.computedTransform).premultiply(s);i.rgba?a.setAttribute("color",new e.Float32BufferAttribute(i.rgba,4)):i.rgb&&a.setAttribute("color",new e.Uint8BufferAttribute(i.rgb,3,!0));i.intensities&&a.setAttribute("intensity",new e.BufferAttribute(i.intensities,1,!0));i.classifications&&a.setAttribute("classification",new e.Uint8BufferAttribute(i.classifications,1,!1));const u=new e.Points(a,n.material||r);if(i.rtc_center){const t=i.rtc_center;c.multiply((new e.Matrix4).makeTranslation(t[0],t[1],t[2]))}return u.applyMatrix4(c),u}(r,g,a,H);break;case Yn:case Zn:n=yield function(r,n,s,o,a){return i(this,void 0,void 0,(function*(){return new Promise(((i,c)=>{var u;const l=(new e.Matrix4).makeRotationAxis(new e.Vector3(1,0,0),Math.PI/2),h="Z"!==(null===(u=n.tileset.asset)||void 0===u?void 0:u.gltfUpAxis),d=(new e.Matrix4).fromArray(n.computedTransform).premultiply(a);h&&d.multiply(l),r.parse(n.content.gltfArrayBuffer,n.contentUrl?n.contentUrl.substr(0,n.contentUrl.lastIndexOf("/")+1):"",(e=>{const r=e.scenes[0];r.applyMatrix4(d),r.traverse((e=>{if("Mesh"==e.type){const r=e,n=r.material,i=n.map;o.material?(r.material=o.material.clone(),n.dispose()):o.shading==t.Shading.FlatTexture&&(r.material=s.clone(),n.dispose()),o.shading!=t.Shading.ShadedNoTexture?"ShaderMaterial"==r.material.type?r.material.uniforms.map={value:i}:r.material.map=i:(i&&i.dispose(),r.material.map=null),o.shaderCallback&&(r.onBeforeRender=o.shaderCallback),r.material.wireframe=o.wireframe,o.computeNormals&&r.geometry.computeVertexNormals()}})),i(r)}),(t=>{c(new Error(`error parsing gltf in tile ${n.id}: ${t}`))}))}))}))}(b,r,E,a,H)}if(n&&(n.visible=!1,d[r.id]=n,m.add(d[r.id]),a.debug)){const t=Pc(r);p.add(t),f[r.id]=t}})),onTileLoad:t=>i(this,void 0,void 0,(function*(){v&&(!D&&(null==t?void 0:t.depth)<=5&&J(t),v._frameNumber++,j(v,d,C,y))})),onTileUnload:t=>{A.push(t)},onTileError:(t,e)=>{console.error("Tile error",t.id,e)}},v=new Ss(h,Object.assign(Object.assign({},M),{loadOptions:Object.assign(Object.assign({},l),{maxConcurrency:a.maxConcurrency,worker:a.worker,gltf:{loadImages:!1},"3d-tiles":{loadGLTF:!1}})})),I=new e.Matrix4,_=new e.Matrix4,F=new e.Vector3;let D=!1;if(v.root.boundingVolume?(v.root.header.boundingVolume.region&&(console.warn("Cannot apply a model matrix to bounding volumes of type region. Tileset stays in original geo-coordinates."),a.geoTransform=t.GeoTransform.WGS84Cartesian),_.setPosition(v.root.boundingVolume.center[0],v.root.boundingVolume.center[1],v.root.boundingVolume.center[2])):console.warn("Bounding volume not found, no transformations applied"),a.debug){const t=Pc(v.root);p.add(t),f[v.root.id]=t}let G=!1,R=!1;B.rootCenter.value.copy(F),B.rootNormal.value.copy(new e.Vector3(0,0,1).normalize()),v.stats.get("Loader concurrency").count=a.maxConcurrency,v.stats.get("Maximum SSE").count=a.maximumScreenSpaceError,v.stats.get("Maximum mem usage").count=a.maximumMemoryUsage;let S=0;const O=(new e.Matrix4).makeTranslation(1/0,1/0,1/0);let x=null;const U=new e.Vector3(1/0,1/0,1/0);let L=null;m.updateMatrixWorld(!0);const N=(new e.Matrix4).copy(m.matrixWorld),H=(new e.Matrix4).copy(N).invert();if(J(v.root),P(),a.debug&&(f[v.root.id].applyMatrix4(I),p.matrixWorld.copy(m.matrixWorld)),a.geoTransform==t.GeoTransform.Mercator){const t=function(t,r){const n=2*Math.PI*6378137/2,s=r*n/180;let i=Math.log(Math.tan((90+t)*Math.PI/360))/(Math.PI/180);return i=i*n/180,new e.Vector2(s,i)}(v.cartographicCenter[1],v.cartographicCenter[0]);F.set(t.x,0,-t.y),m.position.copy(F),m.rotation.set(-Math.PI/2,0,0),m.updateMatrixWorld(!0)}else a.geoTransform==t.GeoTransform.WGS84Cartesian&&(m.applyMatrix4(_),m.updateMatrixWorld(!0),F.copy(m.position));function J(t){if(!t.boundingVolume.halfAxes)return;const r=t.boundingVolume.halfAxes,n=(new e.Matrix4).extractRotation(jc(r)).premultiply((new e.Matrix4).extractRotation(H));if(!(new e.Euler).setFromRotationMatrix(n).equals(new e.Euler)){D=!0;const t=new e.Vector3(_.elements[12],_.elements[13],_.elements[14]);_.extractRotation(n),_.setPosition(t),P()}}function P(){a.geoTransform!=t.GeoTransform.WGS84Cartesian&&(I.copy(_).invert(),I.premultiply(N),I.copy(N).multiply((new e.Matrix4).copy(_).invert()),v.modelMatrix=new rr(I.toArray()))}function j(t,r,n,s){if(G)return;if(!L||s.aspect!=x){const t=new Sn({fov:s.fov/180*Math.PI,aspectRatio:s.aspect,near:s.near,far:s.far});L=t.sseDenominator,x=s.aspect,a.debug&&console.log("Updated sse denonimator:",L)}const i=Jc(s).planes.map((t=>new bn(t.normal.toArray(),t.constant))),c=new Mn(i),u=new e.Vector2;n.getSize(u);const l={camera:{position:U.toArray()},height:u.y,frameNumber:t._frameNumber,sseDenominator:L,cullingVolume:c,viewport:{id:0}};t._cache.reset(),t._traverser.traverse(t.root,l,t.options);for(const e of t.tiles)e.selected?r[e.id]?r[e.id].visible=!0:console.error("TILE SELECTED BUT NOT LOADED!!",e.id):r[e.id]&&(r[e.id].visible=!1);for(;A.length>0;){const t=A.pop();r[t.id]&&t.contentState==jn&&(m.remove(r[t.id]),Xc(r[t.id]),delete r[t.id]),f[t.id]&&(Xc(f[t.id]),p.remove(f[t.id]),delete f[t.id])}const h=t.stats.get("Tiles Loaded").count,d=t.stats.get("Tiles Loading").count;return o.onProgress&&o.onProgress(h,h+d),o.loadingManager&&!R&&0==d&&(null==a.preloadTilesCount||h>=a.preloadTilesCount)&&(R=!0,o.loadingManager.itemEnd(o.url)),l}return{model:m,runtime:{getTileset:()=>v,getStats:()=>v.stats,showTiles:t=>{p.visible=t},setWireframe:t=>{a.wireframe=t,m.traverse((r=>{r instanceof e.Mesh&&(r.material.wireframe=t)}))},setDebug:t=>{a.debug=t,p.visible=t},setShading:t=>{a.shading=t},getTileBoxes:()=>p,setViewDistanceScale:t=>{v.options.viewDistanceScale=t,v._frameNumber++,j(v,d,C,y)},setHideGround:t=>{B.hideGround.value=t},setPointCloudColoring:t=>{B.coloring.value=t},setElevationRange:t=>{B.elevationRange.value.set(t[0],t[1])},setMaxIntensity:t=>{B.maxIntensity.value=t},setIntensityContrast:t=>{B.intensityContrast.value=t},setPointAlpha:t=>{B.alpha.value=t},getLatLongHeightFromPosition:t=>{const r=v.ellipsoid.cartesianToCartographic((new e.Vector3).copy(t).applyMatrix4((new e.Matrix4).copy(I).invert()).toArray());return{lat:r[1],long:r[0],height:r[2]}},getPositionFromLatLongHeight:t=>{const r=v.ellipsoid.cartographicToCartesian([t.long,t.lat,t.height]);return new e.Vector3(...r).applyMatrix4(I)},getCameraFrustum:t=>{const r=Jc(t).planes.map((t=>new bn(t.normal.toArray(),t.constant))).map((t=>function(t){const r=new e.Group,n=new e.PlaneGeometry(10,5),s=new e.Vector3(...t.projectPointOntoPlane([0,0,0])),i=new e.Vector3(t.normal.x,t.normal.y,t.normal.z),o=(new e.Vector3).copy(s).add(i);n.lookAt(o),n.translate(s.x,s.y,s.z);const a=new e.MeshBasicMaterial({color:65535,side:e.DoubleSide}),c=new e.Mesh(n,a),u=new e.ArrowHelper(i,s,5,16776960);return r.add(u),r.add(c),r}(t))),n=new e.Group;for(const t of r)n.add(t);return n},update:function(t,r,n){if(y=n,C=r,S+=t,v&&S>=u){if(!N.equals(m.matrixWorld)){N.copy(m.matrixWorld),P();const t=(new e.Vector3).setFromMatrixPosition(N);B.rootCenter.value.copy(t),B.rootNormal.value.copy(new e.Vector3(0,0,1).applyMatrix4(N).normalize()),H.copy(N).invert(),a.debug&&(f[v.root.id].matrixWorld.copy(I),f[v.root.id].applyMatrix4(N))}!(n.matrixWorld.equals(O)&&n.aspect==x)&&(S=0,v._frameNumber++,n.getWorldPosition(U),O.copy(n.matrixWorld),j(v,d,r,n))}},dispose:function(){for(G=!0,v._destroy();m.children.length>0;){const t=m.children[0];Xc(t),m.remove(t)}for(;p.children.length>0;){const t=p.children[0];p.remove(t),t.geometry.dispose(),t.material.dispose()}w&&w.dispose(),T&&T.dispose()}}}}))}},Object.defineProperty(t,"__esModule",{value:!0})}));
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