// Pannellum 2.2.1, https://github.com/mpetroff/pannellum
window.libpannellum=function(D,h,s){function P(B,d,p,la){function ea(a,e){return 1==a.level&&1!=e.level?-1:1==e.level&&1!=a.level?1:e.timestamp-a.timestamp}function P(a,e){return a.level!=e.level?a.level-e.level:a.diff-e.diff}function I(a,e,g,d,f,b){this.vertices=a;this.side=e;this.level=g;this.x=d;this.y=f;this.path=b.replace("%s",e).replace("%l",g).replace("%x",d).replace("%y",f)}function Y(a,e,h,k,f){var b;var t=e.vertices;b=T(a,t.slice(0,3));var l=T(a,t.slice(3,6)),q=T(a,t.slice(6,9)),t=T(a,t.slice(9,
12)),p=b[0]+l[0]+q[0]+t[0];-4==p||4==p?b=!1:(p=b[1]+l[1]+q[1]+t[1],b=-4==p||4==p?!1:4!=b[2]+l[2]+q[2]+t[2]);if(b){b=e.vertices;l=b[0]+b[3]+b[6]+b[9];q=b[1]+b[4]+b[7]+b[10];t=b[2]+b[5]+b[8]+b[11];p=Math.sqrt(l*l+q*q+t*t);t=Math.asin(t/p);l=Math.atan2(q,l)-k;l+=l>Math.PI?-2*Math.PI:l<-Math.PI?2*Math.PI:0;l=Math.abs(l);e.diff=Math.acos(Math.sin(h)*Math.sin(t)+Math.cos(h)*Math.cos(t)*Math.cos(l));l=!1;for(q=0;q<g.nodeCache.length;q++)if(g.nodeCache[q].path==e.path){l=!0;g.nodeCache[q].timestamp=g.nodeCacheTimestamp++;
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l&&e.y!=l){if(s=v=0.5,"d"==e.side||"u"==e.side)x=w=0.5}else e.x!=l&&e.y==l&&(A=c=0.5,"l"==e.side||"r"==e.side)&&(x=w=0.5);q<d.tileResolution&&(e.x==l&&(c=0,A=1,"l"==e.side||"r"==e.side)&&(w=0,x=1),e.y==l&&(v=0,s=1,"d"==e.side||"u"==e.side)&&(w=0,x=1));y=[b[0],b[1],b[2],b[0]*c+b[3]*A,b[1]*p+b[4]*r,b[2]*w+b[5]*x,b[0]*c+b[6]*A,b[1]*v+b[7]*s,b[2]*w+b[8]*x,b[0]*p+b[9]*r,b[1]*v+b[10]*s,b[2]*w+b[11]*x];y=new I(y,e.side,e.level+1,2*e.x,2*e.y,d.fullpath);t.push(y);e.x==l&&q<d.tileResolution||(y=[b[0]*c+b[3]*
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g.texture);a.texImage2D(a.TEXTURE_2D,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,e);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE);a.bindTexture(a.TEXTURE_2D,null);g.textureLoaded=!0;delete g.image},g.image.src=encodeURI(g.path+"."+d.extension))}function T(a,g){var d=[a[0]*g[0]+a[1]*g[1]+a[2]*g[2],a[4]*g[0]+a[5]*g[1]+
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d.fallbackPath;var b="frblud".split(""),t=0;e=function(){var a=h.createElement("canvas");a.className="pnlm-face pnlm-"+b[this.side]+"face";J.appendChild(a);var g=a.getContext("2d");a.style.width=this.width+4+"px";a.style.height=this.height+4+"px";a.width=this.width+4;a.height=this.height+4;g.drawImage(this,2,2);var c=g.getImageData(0,0,a.width,a.height),f=c.data,e,d;for(e=2;e<a.width-2;e++)for(d=0;4>d;d++)f[4*(e+a.width)+d]=f[4*(e+2*a.width)+d],f[4*(e+a.width*(a.height-2))+d]=f[4*(e+a.width*(a.height-
3))+d];for(e=2;e<a.height-2;e++)for(d=0;4>d;d++)f[4*(e*a.width+1)+d]=f[4*(e*a.width+2)+d],f[4*((e+1)*a.width-2)+d]=f[4*((e+1)*a.width-3)+d];for(d=0;4>d;d++)f[4*(a.width+1)+d]=f[4*(2*a.width+2)+d],f[4*(2*a.width-2)+d]=f[4*(3*a.width-3)+d],f[4*(a.width*(a.height-2)+1)+d]=f[4*(a.width*(a.height-3)+2)+d],f[4*(a.width*(a.height-1)-2)+d]=f[4*(a.width*(a.height-2)-3)+d];for(e=1;e<a.width-1;e++)for(d=0;4>d;d++)f[4*e+d]=f[4*(e+a.width)+d],f[4*(e+a.width*(a.height-1))+d]=f[4*(e+a.width*(a.height-2))+d];for(e=
1;e<a.height-1;e++)for(d=0;4>d;d++)f[e*a.width*4+d]=f[4*(e*a.width+1)+d],f[4*((e+1)*a.width-1)+d]=f[4*((e+1)*a.width-2)+d];for(d=0;4>d;d++)f[d]=f[4*(a.width+1)+d],f[4*(a.width-1)+d]=f[4*(2*a.width-2)+d],f[a.width*(a.height-1)*4+d]=f[4*(a.width*(a.height-2)+1)+d],f[4*(a.width*a.height-1)+d]=f[4*(a.width*(a.height-1)-2)+d];g.putImageData(c,0,0);t++;6==t&&(ha=this.width,B.appendChild(J),D())};for(f=0;6>f;f++)Q=new Image,Q.crossOrigin="anonymous",Q.side=f,Q.onload=e,Q.src="multires"==p?encodeURI(N.replace("%s",
b[f])+"."+d.extension):encodeURI(d[f].src)}else{if(!a)throw console.log("Error: no WebGL support detected!"),{type:"no webgl"};d.fullpath=d.basePath?d.basePath+d.path:d.path;d.invTileResolution=1/d.tileResolution;var l=Z();aa=[];for(f=0;6>f;f++)aa[f]=l.slice(12*f,12*f+12),l=Z();if("equirectangular"==p){if(f=Math.max(d.width,d.height),l=a.getParameter(a.MAX_TEXTURE_SIZE),f>l)throw console.log("Error: The image is too big; it's "+f+"px wide, but this device's maximum supported width is "+l+"px."),{type:"webgl size error",
width:f,maxWidth:l};}else if("cubemap"==p&&(f=d[0].width,l=a.getParameter(a.MAX_CUBE_MAP_TEXTURE_SIZE),f>l))throw console.log("Error: The cube face image is too big; it's "+f+"px wide, but this device's maximum supported width is "+l+"px."),{type:"webgl size error",width:f,maxWidth:l};d.horizonPitch!==s&&d.horizonRoll!==s&&(L=[d.horizonPitch,d.horizonRoll]);f=a.TEXTURE_2D;a.viewport(0,0,r.width,r.height);var l=a.createShader(a.VERTEX_SHADER),q=k;"multires"==p&&(q=z);a.shaderSource(l,q);a.compileShader(l);
var q=a.createShader(a.FRAGMENT_SHADER),I=U;"cubemap"==p?(f=a.TEXTURE_CUBE_MAP,I=ya):"multires"==p&&(I=na);a.shaderSource(q,I);a.compileShader(q);g=a.createProgram();a.attachShader(g,l);a.attachShader(g,q);a.linkProgram(g);a.getShaderParameter(l,a.COMPILE_STATUS)||console.log(a.getShaderInfoLog(l));a.getShaderParameter(q,a.COMPILE_STATUS)||console.log(a.getShaderInfoLog(q));a.getProgramParameter(g,a.LINK_STATUS)||console.log(a.getProgramInfoLog(g));a.useProgram(g);g.drawInProgress=!1;g.texCoordLocation=
a.getAttribLocation(g,"a_texCoord");a.enableVertexAttribArray(g.texCoordLocation);"multires"!=p?(g.texCoordBuffer=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,g.texCoordBuffer),a.bufferData(a.ARRAY_BUFFER,new Float32Array([-1,1,1,1,1,-1,-1,1,1,-1,-1,-1]),a.STATIC_DRAW),a.vertexAttribPointer(g.texCoordLocation,2,a.FLOAT,!1,0,0),g.aspectRatio=a.getUniformLocation(g,"u_aspectRatio"),a.uniform1f(g.aspectRatio,r.width/r.height),g.psi=a.getUniformLocation(g,"u_psi"),g.theta=a.getUniformLocation(g,"u_theta"),
g.f=a.getUniformLocation(g,"u_f"),g.h=a.getUniformLocation(g,"u_h"),g.v=a.getUniformLocation(g,"u_v"),g.vo=a.getUniformLocation(g,"u_vo"),g.rot=a.getUniformLocation(g,"u_rot"),a.uniform1f(g.h,N/(2*Math.PI)),a.uniform1f(g.v,e/Math.PI),a.uniform1f(g.vo,Q/Math.PI*2),g.texture=a.createTexture(),a.bindTexture(f,g.texture),"cubemap"==p?(a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_X,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d[1]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_X,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d[3]),a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_Y,
0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d[4]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_Y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d[5]),a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_Z,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d[0]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_Z,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d[2])):a.texImage2D(f,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d),a.texParameteri(f,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(f,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(f,a.TEXTURE_MIN_FILTER,a.LINEAR),a.texParameteri(f,a.TEXTURE_MAG_FILTER,
a.LINEAR)):(g.vertPosLocation=a.getAttribLocation(g,"a_vertCoord"),a.enableVertexAttribArray(g.vertPosLocation),g.cubeVertBuf=a.createBuffer(),g.cubeVertTexCoordBuf=a.createBuffer(),g.cubeVertIndBuf=a.createBuffer(),a.bindBuffer(a.ARRAY_BUFFER,g.cubeVertTexCoordBuf),a.bufferData(a.ARRAY_BUFFER,new Float32Array([0,0,1,0,1,1,0,1]),a.STATIC_DRAW),a.bindBuffer(a.ELEMENT_ARRAY_BUFFER,g.cubeVertIndBuf),a.bufferData(a.ELEMENT_ARRAY_BUFFER,new Uint16Array([0,1,2,0,2,3]),a.STATIC_DRAW),g.perspUniform=a.getUniformLocation(g,
"u_perspMatrix"),g.cubeUniform=a.getUniformLocation(g,"u_cubeMatrix"),g.level=-1,g.currentNodes=[],g.nodeCache=[],g.nodeCacheTimestamp=0);if(0!==a.getError())throw console.log("Error: Something went wrong with WebGL!"),{type:"webgl error"};D()}};this.destroy=function(){B!==s&&(r!==s&&B.removeChild(r),J!==s&&B.removeChild(J))};this.resize=function(){var d=D.devicePixelRatio||1;r.width=r.clientWidth*d;r.height=r.clientHeight*d;a&&(a.viewport(0,0,r.width,r.height),"multires"!=p&&a.uniform1f(g.aspectRatio,
r.width/r.height))};this.resize();this.render=function(h,e,k,z){var f;if(a||"multires"!=p&&"cubemap"!=p){if("multires"!=p){k=2*Math.atan(Math.tan(0.5*k)/(r.width/r.height));k=1/Math.tan(0.5*k);if("equirectangular"==p&&L!==s){f=L[0];var b=L[1],t=h,l=e,q=Math.cos(b)*Math.sin(h)*Math.sin(f)+Math.cos(h)*(Math.cos(f)*Math.cos(e)+Math.sin(b)*Math.sin(f)*Math.sin(e)),B=-Math.sin(h)*Math.sin(b)+Math.cos(h)*Math.cos(b)*Math.sin(e);h=Math.cos(b)*Math.cos(f)*Math.sin(h)+Math.cos(h)*(-Math.cos(e)*Math.sin(f)+
Math.cos(f)*Math.sin(b)*Math.sin(e));h=Math.asin(h);e=Math.atan2(B,q);f=[Math.cos(t)*(Math.sin(b)*Math.sin(f)*Math.cos(l)-Math.cos(f)*Math.sin(l)),Math.cos(t)*Math.cos(b)*Math.cos(l),Math.cos(t)*(Math.cos(f)*Math.sin(b)*Math.cos(l)+Math.sin(l)*Math.sin(f))];b=[-Math.cos(h)*Math.sin(e),Math.cos(h)*Math.cos(e)];b=Math.acos((f[0]*b[0]+f[1]*b[1])/(Math.sqrt(f[0]*f[0]+f[1]*f[1]+f[2]*f[2])*Math.sqrt(b[0]*b[0]+b[1]*b[1])));0>f[2]&&(b=2*Math.PI-b);a.uniform1f(g.rot,b)}a.uniform1f(g.psi,e);a.uniform1f(g.theta,
h);a.uniform1f(g.f,k);!0===la&&"equirectangular"==p&&(a.bindTexture(a.TEXTURE_2D,g.texture),a.texImage2D(a.TEXTURE_2D,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,d));a.drawArrays(a.TRIANGLES,0,6)}else{f=r.width/r.height;b=2*Math.atan(Math.tan(k/2)*r.height/r.width);b=1/Math.tan(b/2);f=[b/f,0,0,0,0,b,0,0,0,0,100.1/-99.9,20/-99.9,0,0,-1,0];for(b=1;b<d.maxLevel&&r.width>d.tileResolution*Math.pow(2,b-1)*Math.tan(k/2)*0.707;)b++;g.level=b;b=[1,0,0,0,1,0,0,0,1];b=$(b,-h,"x");b=$(b,e,"y");b=[b[0],b[1],b[2],0,b[3],b[4],
b[5],0,b[6],b[7],b[8],0,0,0,0,1];a.uniformMatrix4fv(g.perspUniform,!1,new Float32Array(ga(f)));a.uniformMatrix4fv(g.cubeUniform,!1,new Float32Array(ga(b)));b=[f[0]*b[0],f[0]*b[1],f[0]*b[2],0,f[5]*b[4],f[5]*b[5],f[5]*b[6],0,f[10]*b[8],f[10]*b[9],f[10]*b[10],f[11],-b[8],-b[9],-b[10],0];g.nodeCache.sort(ea);200<g.nodeCache.length&&g.nodeCache.length>g.currentNodes.length+50&&g.nodeCache.splice(200,g.nodeCache.length-200);g.currentNodes=[];t="fbudlr".split("");for(f=0;6>f;f++)l=new I(aa[f],t[f],1,0,0,
d.fullpath),Y(b,l,h,e,k);g.currentNodes.sort(P);for(h=0;h<g.currentNodes.length;h++)if(!g.currentNodes[h].texture){setTimeout(ma(g.currentNodes[h]),0);break}if(!g.drawInProgress){g.drawInProgress=!0;for(h=0;h<g.currentNodes.length;h++)g.currentNodes[h].textureLoaded&&(a.bindBuffer(a.ARRAY_BUFFER,g.cubeVertBuf),a.bufferData(a.ARRAY_BUFFER,new Float32Array(g.currentNodes[h].vertices),a.STATIC_DRAW),a.vertexAttribPointer(g.vertPosLocation,3,a.FLOAT,!1,0,0),a.bindBuffer(a.ARRAY_BUFFER,g.cubeVertTexCoordBuf),
a.vertexAttribPointer(g.texCoordLocation,2,a.FLOAT,!1,0,0),a.bindTexture(a.TEXTURE_2D,g.currentNodes[h].texture),a.drawElements(a.TRIANGLES,6,a.UNSIGNED_SHORT,0));g.drawInProgress=!1}}if(z!==s)return r.toDataURL("image/png")}else for(f=ha/2,z={f:"translate3d(-"+(f+2)+"px, -"+(f+2)+"px, -"+f+"px)",b:"translate3d("+(f+2)+"px, -"+(f+2)+"px, "+f+"px) rotateX(180deg) rotateZ(180deg)",u:"translate3d(-"+(f+2)+"px, -"+f+"px, "+(f+2)+"px) rotateX(270deg)",d:"translate3d(-"+(f+2)+"px, "+f+"px, -"+(f+2)+"px) rotateX(90deg)",
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