// Pannellum 2.5.6, https://github.com/mpetroff/pannellum
window.libpannellum=function(E,g,p){function Ba(K){function ja(a,e){return 1==a.level&&1!=e.level?-1:1==e.level&&1!=a.level?1:e.timestamp-a.timestamp}function Q(a,e){return a.level!=e.level?a.level-e.level:a.diff-e.diff}function ka(a,e,c,g,l,h){this.vertices=a;this.side=e;this.level=c;this.x=g;this.y=l;this.path=h.replace("%s",e).replace("%l",c).replace("%x",g).replace("%y",l)}function Ja(a,e,g,p,l){var h;var d=e.vertices;h=la(a,d.slice(0,3));var u=la(a,d.slice(3,6)),x=la(a,d.slice(6,9)),d=la(a,d.slice(9,
12)),t=h[0]+u[0]+x[0]+d[0];-4==t||4==t?h=!1:(t=h[1]+u[1]+x[1]+d[1],h=-4==t||4==t?!1:4!=h[2]+u[2]+x[2]+d[2]);if(h){h=e.vertices;u=h[0]+h[3]+h[6]+h[9];x=h[1]+h[4]+h[7]+h[10];d=h[2]+h[5]+h[8]+h[11];t=Math.sqrt(u*u+x*x+d*d);d=Math.asin(d/t);u=Math.atan2(x,u)-p;u+=u>Math.PI?-2*Math.PI:u<-Math.PI?2*Math.PI:0;u=Math.abs(u);e.diff=Math.acos(Math.sin(g)*Math.sin(d)+Math.cos(g)*Math.cos(d)*Math.cos(u));u=!1;for(x=0;x<c.nodeCache.length;x++)if(c.nodeCache[x].path==e.path){u=!0;c.nodeCache[x].timestamp=c.nodeCacheTimestamp++;
c.nodeCache[x].diff=e.diff;c.currentNodes.push(c.nodeCache[x]);break}u||(e.timestamp=c.nodeCacheTimestamp++,c.currentNodes.push(e),c.nodeCache.push(e));if(e.level<c.level){var d=m.cubeResolution*Math.pow(2,e.level-m.maxLevel),u=Math.ceil(d*m.invTileResolution)-1,x=d%m.tileResolution*2,k=2*d%m.tileResolution;0===k&&(k=m.tileResolution);0===x&&(x=2*m.tileResolution);t=0.5;if(e.x==u||e.y==u)t=1-m.tileResolution/(m.tileResolution+k);var y=1-t,d=[],s=t,z=t,D=t,I=y,A=y,B=y;if(k<m.tileResolution)if(e.x==
u&&e.y!=u){if(A=z=0.5,"d"==e.side||"u"==e.side)B=D=0.5}else e.x!=u&&e.y==u&&(I=s=0.5,"l"==e.side||"r"==e.side)&&(B=D=0.5);x<=m.tileResolution&&(e.x==u&&(s=0,I=1,"l"==e.side||"r"==e.side)&&(D=0,B=1),e.y==u&&(z=0,A=1,"d"==e.side||"u"==e.side)&&(D=0,B=1));k=[h[0],h[1],h[2],h[0]*s+h[3]*I,h[1]*t+h[4]*y,h[2]*D+h[5]*B,h[0]*s+h[6]*I,h[1]*z+h[7]*A,h[2]*D+h[8]*B,h[0]*t+h[9]*y,h[1]*z+h[10]*A,h[2]*D+h[11]*B];k=new ka(k,e.side,e.level+1,2*e.x,2*e.y,m.fullpath);d.push(k);e.x==u&&x<=m.tileResolution||(k=[h[0]*s+
h[3]*I,h[1]*t+h[4]*y,h[2]*D+h[5]*B,h[3],h[4],h[5],h[3]*t+h[6]*y,h[4]*z+h[7]*A,h[5]*D+h[8]*B,h[0]*s+h[6]*I,h[1]*z+h[7]*A,h[2]*D+h[8]*B],k=new ka(k,e.side,e.level+1,2*e.x+1,2*e.y,m.fullpath),d.push(k));e.x==u&&x<=m.tileResolution||e.y==u&&x<=m.tileResolution||(k=[h[0]*s+h[6]*I,h[1]*z+h[7]*A,h[2]*D+h[8]*B,h[3]*t+h[6]*y,h[4]*z+h[7]*A,h[5]*D+h[8]*B,h[6],h[7],h[8],h[9]*s+h[6]*I,h[10]*t+h[7]*y,h[11]*D+h[8]*B],k=new ka(k,e.side,e.level+1,2*e.x+1,2*e.y+1,m.fullpath),d.push(k));e.y==u&&x<=m.tileResolution||
(k=[h[0]*t+h[9]*y,h[1]*z+h[10]*A,h[2]*D+h[11]*B,h[0]*s+h[6]*I,h[1]*z+h[7]*A,h[2]*D+h[8]*B,h[9]*s+h[6]*I,h[10]*t+h[7]*y,h[11]*D+h[8]*B,h[9],h[10],h[11]],k=new ka(k,e.side,e.level+1,2*e.x,2*e.y+1,m.fullpath),d.push(k));for(e=0;e<d.length;e++)Ja(a,d[e],g,p,l)}}}function ta(){return[-1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,-1,1,1,1,1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,1,1,-1,1,1,1,1,-1,1,1,-1,-1]}function ua(a,e,c){var g=Math.sin(e);e=Math.cos(e);
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function(e,c){a.texture=e;a.textureLoaded=c?2:1},va.crossOrigin)}function la(a,e){var c=[a[0]*e[0]+a[1]*e[1]+a[2]*e[2],a[4]*e[0]+a[5]*e[1]+a[6]*e[2],a[11]+a[8]*e[0]+a[9]*e[1]+a[10]*e[2],1/(a[12]*e[0]+a[13]*e[1]+a[14]*e[2])],g=c[0]*c[3],l=c[1]*c[3],c=c[2]*c[3],h=[0,0,0];-1>g&&(h[0]=-1);1<g&&(h[0]=1);-1>l&&(h[1]=-1);1<l&&(h[1]=1);if(-1>c||1<c)h[2]=1;return h}function Ea(){console.log("Reducing canvas size due to error 1286!");A.width=Math.round(A.width/2);A.height=Math.round(A.height/2)}var A=g.createElement("canvas");
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y+" vs. "+m[t].width)):E=!0;"cubemap"==z&&0!==(y&y-1)&&(navigator.userAgent.toLowerCase().match(/(iphone|ipod|ipad).* os 8_/)||navigator.userAgent.toLowerCase().match(/(iphone|ipod|ipad).* os 9_/)||navigator.userAgent.toLowerCase().match(/(iphone|ipod|ipad).* os 10_/)||navigator.userAgent.match(/Trident.*rv[ :]*11\./))||(a||(a=A.getContext("experimental-webgl",{alpha:!1,depth:!1})),a&&1286==a.getError()&&Ea());if(!a&&("multires"==z&&m.hasOwnProperty("fallbackPath")||"cubemap"==z)&&("WebkitAppearance"in
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(a.width*(a.height-3)+2)+d],c[4*(a.width*(a.height-1)-2)+d]=c[4*(a.width*(a.height-2)-3)+d];for(b=1;b<a.width-1;b++)for(d=0;4>d;d++)c[4*b+d]=c[4*(b+a.width)+d],c[4*(b+a.width*(a.height-1))+d]=c[4*(b+a.width*(a.height-2))+d];for(b=1;b<a.height-1;b++)for(d=0;4>d;d++)c[b*a.width*4+d]=c[4*(b*a.width+1)+d],c[4*((b+1)*a.width-1)+d]=c[4*((b+1)*a.width-2)+d];for(d=0;4>d;d++)c[d]=c[4*(a.width+1)+d],c[4*(a.width-1)+d]=c[4*(2*a.width-2)+d],c[a.width*(a.height-1)*4+d]=c[4*(a.width*(a.height-2)+1)+d],c[4*(a.width*
a.height-1)+d]=c[4*(a.width*(a.height-1)-2)+d];e.putImageData(h,0,0);D.call(this)};var D=function(){0<this.width?($===p&&($=this.width),$!=this.width&&console.log("Fallback faces have inconsistent widths: "+$+" vs. "+this.width)):E=!0;S++;6==S&&($=this.width,K.appendChild(R),d())},E=!1;for(t=0;6>t;t++)h=new Image,h.crossOrigin=va.crossOrigin?va.crossOrigin:"anonymous",h.side=t,h.onload=l,h.onerror=D,h.src="multires"==z?H.replace("%s",Q[t])+"."+m.extension:m[t].src;x($)}else{if(!a)throw console.log("Error: no WebGL support detected!"),
{type:"no webgl"};"cubemap"==z&&x(y);m.fullpath=m.basePath?m.basePath+m.path:m.path;m.invTileResolution=1/m.tileResolution;L=ta();wa=[];for(t=0;6>t;t++)wa[t]=L.slice(12*t,12*t+12),L=ta();L=0;if("equirectangular"==z){if(L=a.getParameter(a.MAX_TEXTURE_SIZE),Math.max(m.width/2,m.height)>L)throw console.log("Error: The image is too big; it's "+m.width+"px wide, but this device's maximum supported size is "+2*L+"px."),{type:"webgl size error",width:m.width,maxWidth:2*L};}else if("cubemap"==z&&y>a.getParameter(a.MAX_CUBE_MAP_TEXTURE_SIZE))throw console.log("Error: The image is too big; it's "+
y+"px wide, but this device's maximum supported size is "+L+"px."),{type:"webgl size error",width:y,maxWidth:L};u===p||u.horizonPitch===p&&u.horizonRoll===p||(ga=[u.horizonPitch==p?0:u.horizonPitch,u.horizonRoll==p?0:u.horizonRoll]);y=a.TEXTURE_2D;a.viewport(0,0,a.drawingBufferWidth,a.drawingBufferHeight);a.getShaderPrecisionFormat&&(e=a.getShaderPrecisionFormat(a.FRAGMENT_SHADER,a.HIGH_FLOAT))&&1>e.precision&&(oa=oa.replace("highp","mediump"));U=a.createShader(a.VERTEX_SHADER);e=s;"multires"==z&&
(e=k);a.shaderSource(U,e);a.compileShader(U);V=a.createShader(a.FRAGMENT_SHADER);e=pa;"cubemap"==z?(y=a.TEXTURE_CUBE_MAP,e=qa):"multires"==z&&(e=bb);a.shaderSource(V,e);a.compileShader(V);c=a.createProgram();a.attachShader(c,U);a.attachShader(c,V);a.linkProgram(c);a.getShaderParameter(U,a.COMPILE_STATUS)||console.log(a.getShaderInfoLog(U));a.getShaderParameter(V,a.COMPILE_STATUS)||console.log(a.getShaderInfoLog(V));a.getProgramParameter(c,a.LINK_STATUS)||console.log(a.getProgramInfoLog(c));a.useProgram(c);
c.drawInProgress=!1;e=u.backgroundColor?u.backgroundColor:[0,0,0];a.clearColor(e[0],e[1],e[2],1);a.clear(a.COLOR_BUFFER_BIT);c.texCoordLocation=a.getAttribLocation(c,"a_texCoord");a.enableVertexAttribArray(c.texCoordLocation);"multires"!=z?(ca||(ca=a.createBuffer()),a.bindBuffer(a.ARRAY_BUFFER,ca),a.bufferData(a.ARRAY_BUFFER,new Float32Array([-1,1,1,1,1,-1,-1,1,1,-1,-1,-1]),a.STATIC_DRAW),a.vertexAttribPointer(c.texCoordLocation,2,a.FLOAT,!1,0,0),c.aspectRatio=a.getUniformLocation(c,"u_aspectRatio"),
a.uniform1f(c.aspectRatio,a.drawingBufferWidth/a.drawingBufferHeight),c.psi=a.getUniformLocation(c,"u_psi"),c.theta=a.getUniformLocation(c,"u_theta"),c.f=a.getUniformLocation(c,"u_f"),c.h=a.getUniformLocation(c,"u_h"),c.v=a.getUniformLocation(c,"u_v"),c.vo=a.getUniformLocation(c,"u_vo"),c.rot=a.getUniformLocation(c,"u_rot"),a.uniform1f(c.h,H/(2*Math.PI)),a.uniform1f(c.v,l/Math.PI),a.uniform1f(c.vo,h/Math.PI*2),"equirectangular"==z&&(c.backgroundColor=a.getUniformLocation(c,"u_backgroundColor"),a.uniform4fv(c.backgroundColor,
e.concat([1]))),c.texture=a.createTexture(),a.bindTexture(y,c.texture),"cubemap"==z?(a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_X,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m[1]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_X,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m[3]),a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_Y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m[4]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_Y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m[5]),a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_Z,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m[0]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_Z,
0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m[2])):m.width<=L?(a.uniform1i(a.getUniformLocation(c,"u_splitImage"),0),a.texImage2D(y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m)):(a.uniform1i(a.getUniformLocation(c,"u_splitImage"),1),H=g.createElement("canvas"),H.width=m.width/2,H.height=m.height,H=H.getContext("2d"),H.drawImage(m,0,0),l=H.getImageData(0,0,m.width/2,m.height),a.texImage2D(y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,l),c.texture2=a.createTexture(),a.activeTexture(a.TEXTURE1),a.bindTexture(y,c.texture2),a.uniform1i(a.getUniformLocation(c,
"u_image1"),1),H.drawImage(m,-m.width/2,0),l=H.getImageData(0,0,m.width/2,m.height),a.texImage2D(y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,l),a.texParameteri(y,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(y,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(y,a.TEXTURE_MIN_FILTER,a.LINEAR),a.texParameteri(y,a.TEXTURE_MAG_FILTER,a.LINEAR),a.activeTexture(a.TEXTURE0)),a.texParameteri(y,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(y,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(y,a.TEXTURE_MIN_FILTER,
a.LINEAR),a.texParameteri(y,a.TEXTURE_MAG_FILTER,a.LINEAR)):(c.vertPosLocation=a.getAttribLocation(c,"a_vertCoord"),a.enableVertexAttribArray(c.vertPosLocation),Fa||(Fa=a.createBuffer()),Y||(Y=a.createBuffer()),na||(na=a.createBuffer()),a.bindBuffer(a.ARRAY_BUFFER,Y),a.bufferData(a.ARRAY_BUFFER,new Float32Array([0,0,1,0,1,1,0,1]),a.STATIC_DRAW),a.bindBuffer(a.ELEMENT_ARRAY_BUFFER,na),a.bufferData(a.ELEMENT_ARRAY_BUFFER,new Uint16Array([0,1,2,0,2,3]),a.STATIC_DRAW),c.perspUniform=a.getUniformLocation(c,
"u_perspMatrix"),c.cubeUniform=a.getUniformLocation(c,"u_cubeMatrix"),c.level=-1,c.currentNodes=[],c.nodeCache=[],c.nodeCacheTimestamp=0);H=a.getError();if(0!==H)throw console.log("Error: Something went wrong with WebGL!",H),{type:"webgl error"};d()}};this.destroy=function(){K!==p&&(A!==p&&K.contains(A)&&K.removeChild(A),R!==p&&K.contains(R)&&K.removeChild(R));if(a){var c=a.getExtension("WEBGL_lose_context");c&&c.loseContext()}};this.resize=function(){var g=E.devicePixelRatio||1;A.width=A.clientWidth*
g;A.height=A.clientHeight*g;a&&(1286==a.getError()&&Ea(),a.viewport(0,0,a.drawingBufferWidth,a.drawingBufferHeight),"multires"!=z&&a.uniform1f(c.aspectRatio,A.clientWidth/A.clientHeight))};this.resize();this.setPose=function(a,c){ga=[a,c]};this.render=function(g,e,k,s){var l,h=0;s===p&&(s={});s.roll&&(h=s.roll);if(ga!==p){l=ga[0];var d=ga[1],u=g,x=e,t=Math.cos(d)*Math.sin(g)*Math.sin(l)+Math.cos(g)*(Math.cos(l)*Math.cos(e)+Math.sin(d)*Math.sin(l)*Math.sin(e)),E=-Math.sin(g)*Math.sin(d)+Math.cos(g)*
Math.cos(d)*Math.sin(e);g=Math.cos(d)*Math.cos(l)*Math.sin(g)+Math.cos(g)*(-Math.cos(e)*Math.sin(l)+Math.cos(l)*Math.sin(d)*Math.sin(e));g=Math.asin(Math.max(Math.min(g,1),-1));e=Math.atan2(E,t);l=[Math.cos(u)*(Math.sin(d)*Math.sin(l)*Math.cos(x)-Math.cos(l)*Math.sin(x)),Math.cos(u)*Math.cos(d)*Math.cos(x),Math.cos(u)*(Math.cos(l)*Math.sin(d)*Math.cos(x)+Math.sin(x)*Math.sin(l))];d=[-Math.cos(g)*Math.sin(e),Math.cos(g)*Math.cos(e)];d=Math.acos(Math.max(Math.min((l[0]*d[0]+l[1]*d[1])/(Math.sqrt(l[0]*
l[0]+l[1]*l[1]+l[2]*l[2])*Math.sqrt(d[0]*d[0]+d[1]*d[1])),1),-1));0>l[2]&&(d=2*Math.PI-d);h+=d}if(a||"multires"!=z&&"cubemap"!=z){if("multires"!=z)k=2*Math.atan(Math.tan(0.5*k)/(a.drawingBufferWidth/a.drawingBufferHeight)),k=1/Math.tan(0.5*k),a.uniform1f(c.psi,e),a.uniform1f(c.theta,g),a.uniform1f(c.rot,h),a.uniform1f(c.f,k),!0===F&&"equirectangular"==z&&(a.bindTexture(a.TEXTURE_2D,c.texture),a.texImage2D(a.TEXTURE_2D,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m)),a.drawArrays(a.TRIANGLES,0,6);else{l=a.drawingBufferWidth/
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