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"earth-fs.glsl":"precision mediump float;uniform sampler2D uBufferL0A;uniform sampler2D uBufferL1A;uniform sampler2D uBufferL2A;uniform sampler2D uBufferLnA;varying float vFallbackA;varying vec2 vTCA;void main(){float fallback=floor(vFallbackA+0.5);if(fallback==0.0){gl_FragColor=texture2D(uBufferL0A,vTCA);}else if(fallback==1.0){gl_FragColor=texture2D(uBufferL1A,vTCA);}else if(fallback==2.0){gl_FragColor=texture2D(uBufferL2A,vTCA);}else if(fallback==-1.0){gl_FragColor=texture2D(uBufferLnA,vTCA);}else{discard;}}",
"earth-vs-overlay.glsl":"#define BUFF_SIDE 4.0\n#define BUFF_SIZE 16\n#define TERRAIN %TERRAIN_BOOL%\n#define BUFF_SIDE_T %BUFFER_SIDE_T_FLOAT%\n#define BUFF_SIZE_T int(BUFF_SIDE_T*BUFF_SIDE_T)\nprecision highp float;const float PI=3.1415927;const float PI2=6.2831855;const float EARTH_RADIUS=6378137.0;const float TERRAIN_MIN=-10000.0;const float TERRAIN_MAX=12000.0;attribute vec2 aVertexPosition;attribute vec2 aTextureCoord;uniform mat4 uMVPMatrix;uniform float uTileCount;uniform vec2 uOffset;uniform float uMetaL0A[BUFF_SIZE];uniform float uMetaL1A[BUFF_SIZE];uniform float uMetaL2A[BUFF_SIZE];uniform vec2 uOffLA[3];varying float vFallbackA;varying vec2 vTCA;uniform float uMetaL0B[BUFF_SIZE];uniform float uMetaL1B[BUFF_SIZE];uniform float uMetaL2B[BUFF_SIZE];uniform vec2 uOffLB[3];varying float vFallbackB;varying vec2 vTCB;\n#if TERRAIN\nuniform float uMetaL0T[BUFF_SIZE_T];uniform float uMetaL1T[BUFF_SIZE_T];uniform vec2 uOffLT[2];uniform sampler2D uBufferL0T;uniform sampler2D uBufferL1T;uniform sampler2D uBufferLnT;uniform float uDegradationT;bool validateOffsetT(vec2 off){return off.x>=0.0&&off.y>=0.0&&off.x<BUFF_SIDE_T&&off.y<BUFF_SIDE_T;}\n#endif\nbool validateOffset(vec2 off){return off.x>=0.0&&off.y>=0.0&&off.x<BUFF_SIDE&&off.y<BUFF_SIDE;}vec2 modFirst(vec2 x,float y){return vec2(x.x-y*floor(x.x/y),x.y);}void main(){vec2 phi=PI2*(aVertexPosition+uOffset)/uTileCount;vec2 tileCoords=vec2(mod(aVertexPosition.x-aTextureCoord.x+uOffset.x+uTileCount*0.5,uTileCount),-aTextureCoord.y-aVertexPosition.y-uOffset.y+uTileCount*0.5);float elev=0.0;\n#if TERRAIN\nvec2 TCT;float fallbackT=-1.0;float degradationModifier=exp2(uDegradationT);vec2 offT=modFirst(tileCoords/degradationModifier-uOffLT[0],uTileCount/degradationModifier);vec2 rawElev;if(validateOffsetT(offT)&&uMetaL0T[int(floor(offT.y)*BUFF_SIDE_T+offT.x)]==1.0){fallbackT=0.0;}else{offT=modFirst((tileCoords/(2.0*degradationModifier))-uOffLT[1],uTileCount/(2.0*degradationModifier));if(validateOffsetT(offT)&&uMetaL1T[int(floor(offT.y)*BUFF_SIDE_T+offT.x)]==1.0){fallbackT=1.0;}else{TCT=(tileCoords+aTextureCoord)/uTileCount;}}if(fallbackT>=0.0){TCT=(offT+aTextureCoord/(exp2(fallbackT)*degradationModifier)+mod(uOffLT[int(fallbackT)],BUFF_SIDE_T))/BUFF_SIDE_T;}TCT.y=1.0-TCT.y;if(fallbackT==0.0){rawElev=texture2D(uBufferL0T,TCT).rg;}else if(fallbackT==1.0){rawElev=texture2D(uBufferL1T,TCT).rg;}else{rawElev=texture2D(uBufferLnT,TCT).rg;}elev=((TERRAIN_MAX-TERRAIN_MIN)*(rawElev.r+rawElev.g/256.0)-TERRAIN_MAX)/EARTH_RADIUS;\n#endif\nfloat exp_2y=exp(2.0*phi.y);float tanh=((exp_2y-1.0)/(exp_2y+1.0));float cosy=sqrt(1.0-tanh*tanh);vec3 pos=vec3(sin(phi.x)*cosy,tanh,cos(phi.x)*cosy);gl_Position=uMVPMatrix*vec4(pos*(1.0+elev),1.0);if(abs(phi.y)>PI){vFallbackA=-1.0e3;return;}vFallbackA=-1.0;vec2 off=modFirst(tileCoords-uOffLA[0],uTileCount);if(validateOffset(off)&&uMetaL0A[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackA=0.0;}else{off=modFirst((tileCoords/2.0)-uOffLA[1],uTileCount/2.0);if(validateOffset(off)&&uMetaL1A[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackA=1.0;}else{off=modFirst((tileCoords/4.0)-uOffLA[2],uTileCount/4.0);if(validateOffset(off)&&uMetaL2A[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackA=2.0;}}}if(vFallbackA>=0.0){vTCA=(off+aTextureCoord/exp2(vFallbackA)+mod(uOffLA[int(vFallbackA)],BUFF_SIDE))/BUFF_SIDE;}else{vTCA=(tileCoords+aTextureCoord)/uTileCount;}vTCA.y=1.0-vTCA.y;vFallbackB=-1.0;off=modFirst(tileCoords-uOffLB[0],uTileCount);if(validateOffset(off)&&uMetaL0B[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackB=0.0;}else{off=modFirst((tileCoords/2.0)-uOffLB[1],uTileCount/2.0);if(validateOffset(off)&&uMetaL1B[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackB=1.0;}else{off=modFirst((tileCoords/4.0)-uOffLB[2],uTileCount/4.0);if(validateOffset(off)&&uMetaL2B[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackB=2.0;}}}if(vFallbackB>=0.0){vTCB=(off+aTextureCoord/exp2(vFallbackB)+mod(uOffLB[int(vFallbackB)],BUFF_SIDE))/BUFF_SIDE;}else{vTCB=(tileCoords+aTextureCoord)/uTileCount;}vTCB.y=1.0-vTCB.y;}",
"earth-vs.glsl":"#define BUFF_SIDE 8.0\n#define BUFF_SIZE 64\n#define TERRAIN %TERRAIN_BOOL%\n#define BUFF_SIDE_T %BUFFER_SIDE_T_FLOAT%\n#define BUFF_SIZE_T int(BUFF_SIDE_T*BUFF_SIDE_T)\nprecision highp float;const float PI=3.1415927;const float PI2=6.2831855;const float EARTH_RADIUS=6378137.0;const float TERRAIN_MIN=-10000.0;const float TERRAIN_MAX=12000.0;attribute vec2 aVertexPosition;attribute vec2 aTextureCoord;uniform mat4 uMVPMatrix;uniform float uTileCount;uniform vec2 uOffset;uniform float uMetaL0A[BUFF_SIZE];uniform float uMetaL1A[BUFF_SIZE];uniform float uMetaL2A[BUFF_SIZE];uniform vec2 uOffLA[3];varying float vFallbackA;varying vec2 vTCA;\n#if TERRAIN\nuniform float uMetaL0T[BUFF_SIZE_T];uniform float uMetaL1T[BUFF_SIZE_T];uniform vec2 uOffLT[2];uniform sampler2D uBufferL0T;uniform sampler2D uBufferL1T;uniform sampler2D uBufferLnT;uniform float uDegradationT;bool validateOffsetT(vec2 off){return off.x>=0.0&&off.y>=0.0&&off.x<BUFF_SIDE_T&&off.y<BUFF_SIDE_T;}\n#endif\nbool validateOffset(vec2 off){return off.x>=0.0&&off.y>=0.0&&off.x<BUFF_SIDE&&off.y<BUFF_SIDE;}vec2 modFirst(vec2 x,float y){return vec2(x.x-y*floor(x.x/y),x.y);}void main(){vec2 phi=PI2*(aVertexPosition+uOffset)/uTileCount;vec2 tileCoords=vec2(mod(aVertexPosition.x-aTextureCoord.x+uOffset.x+uTileCount*0.5,uTileCount),-aTextureCoord.y-aVertexPosition.y-uOffset.y+uTileCount*0.5);float elev=0.0;\n#if TERRAIN\nvec2 TCT;float fallbackT=-1.0;float degradationModifier=exp2(uDegradationT);vec2 offT=modFirst(tileCoords/degradationModifier-uOffLT[0],uTileCount/degradationModifier);vec2 rawElev;if(validateOffsetT(offT)&&uMetaL0T[int(floor(offT.y)*BUFF_SIDE_T+offT.x)]==1.0){fallbackT=0.0;}else{offT=modFirst((tileCoords/(2.0*degradationModifier))-uOffLT[1],uTileCount/(2.0*degradationModifier));if(validateOffsetT(offT)&&uMetaL1T[int(floor(offT.y)*BUFF_SIDE_T+offT.x)]==1.0){fallbackT=1.0;}else{TCT=(tileCoords+aTextureCoord)/uTileCount;}}if(fallbackT>=0.0){TCT=(offT+aTextureCoord/(exp2(fallbackT)*degradationModifier)+mod(uOffLT[int(fallbackT)],BUFF_SIDE_T))/BUFF_SIDE_T;}TCT.y=1.0-TCT.y;if(fallbackT==0.0){rawElev=texture2D(uBufferL0T,TCT).rg;}else if(fallbackT==1.0){rawElev=texture2D(uBufferL1T,TCT).rg;}else{rawElev=texture2D(uBufferLnT,TCT).rg;}elev=((TERRAIN_MAX-TERRAIN_MIN)*(rawElev.r+rawElev.g/256.0)-TERRAIN_MAX)/EARTH_RADIUS;\n#endif\nfloat exp_2y=exp(2.0*phi.y);float tanh=((exp_2y-1.0)/(exp_2y+1.0));float cosy=sqrt(1.0-tanh*tanh);vec3 pos=vec3(sin(phi.x)*cosy,tanh,cos(phi.x)*cosy);gl_Position=uMVPMatrix*vec4(pos*(1.0+elev),1.0);if(abs(phi.y)>PI){vFallbackA=-1.0e3;return;}vFallbackA=-1.0;vec2 off=modFirst(tileCoords-uOffLA[0],uTileCount);if(validateOffset(off)&&uMetaL0A[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackA=0.0;}else{off=modFirst((tileCoords/2.0)-uOffLA[1],uTileCount/2.0);if(validateOffset(off)&&uMetaL1A[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackA=1.0;}else{off=modFirst((tileCoords/4.0)-uOffLA[2],uTileCount/4.0);if(validateOffset(off)&&uMetaL2A[int(floor(off.y)*BUFF_SIDE+off.x)]==1.0){vFallbackA=2.0;}}}if(vFallbackA>=0.0){vTCA=(off+aTextureCoord/exp2(vFallbackA)+mod(uOffLA[int(vFallbackA)],BUFF_SIDE))/BUFF_SIDE;}else{vTCA=(tileCoords+aTextureCoord)/uTileCount;}vTCA.y=1.0-vTCA.y;}",
"halo-fs.glsl":"precision lowp float;uniform sampler2D uGradient;varying vec2 vCoords;void main(){float distance=vCoords.x*vCoords.x+vCoords.y*vCoords.y;if(distance<0.98){discard;}else{gl_FragColor=texture2D(uGradient,vec2((sqrt(distance)-1.0)/0.1,0.5));}}","halo-vs.glsl":"precision lowp float;attribute vec2 aVertexPosition;uniform mat4 uMVMatrix;uniform mat4 uPMatrix;varying vec2 vCoords;void main(){gl_Position=uPMatrix*(uMVMatrix[3]+uMVMatrix[0]*aVertexPosition.x+uMVMatrix[1]*aVertexPosition.y);gl_Position.z=0.0;vCoords=aVertexPosition;}"};function Eg(a){return a in Dg?Dg[a]:Ab("../we/shaders/"+a)};function Fg(a){var c;this.a=a.a;c=this.g=a.a.g,a=c;this.Fh=a.createBuffer();a.bindBuffer(a.ARRAY_BUFFER,this.Fh);a.bufferData(a.ARRAY_BUFFER,new Float32Array([1.1,1.1,-1.1,1.1,1.1,-1.1,-1.1,-1.1]),a.STATIC_DRAW);this.Eg=a.createTexture();var b=new Uint8Array([224,224,255,255,207,218,250,220,179,194,245,180,137,166,237,145,84,123,221,110,51,94,198,75,25,67,178,30,13,53,161,0]);a.bindTexture(a.TEXTURE_2D,this.Eg);a.texImage2D(a.TEXTURE_2D,0,a.RGBA,8,1,0,a.RGBA,a.UNSIGNED_BYTE,b);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);b=Eg("halo-fs.glsl");a=Eg("halo-vs.glsl");b=Cg(this.a,b,this.g.FRAGMENT_SHADER);a=Cg(this.a,a,this.g.VERTEX_SHADER);this.La=this.g.createProgram();x(this.La)&&e(Error("Unknown"));this.g.attachShader(this.La,a);this.g.attachShader(this.La,b);this.g.bindAttribLocation(this.La,0,"aVertexPosition");
this.g.linkProgram(this.La);this.g.getProgramParameter(this.La,this.g.LINK_STATUS)||e(Error("Shader program err: "+this.g.getProgramInfoLog(this.La)));this.Zd=this.g.getAttribLocation(this.La,"aVertexPosition");this.g.enableVertexAttribArray(this.Zd);this.ij=this.g.getUniformLocation(this.La,"uMVMatrix");this.zj=this.g.getUniformLocation(this.La,"uPMatrix");this.qi=this.g.getUniformLocation(this.La,"uGradient")}
Fg.prototype.draw=function(){this.g.useProgram(this.La);this.g.bindBuffer(this.g.ARRAY_BUFFER,this.Fh);this.g.vertexAttribPointer(this.Zd,2,this.g.FLOAT,!1,0,0);this.g.activeTexture(this.g.TEXTURE0);this.g.bindTexture(this.g.TEXTURE_2D,this.Eg);this.g.uniform1i(this.qi,0);var a=new Float32Array(eb(ng(this.a.Ba.sa).Td())),b=new Float32Array(eb(ng(this.a.Bc).Td()));this.g.uniformMatrix4fv(this.ij,!1,a);this.g.uniformMatrix4fv(this.zj,!1,b);this.g.drawArrays(this.g.TRIANGLE_STRIP,0,4)};function Gg(a){this.f=a;this.yb=this.ob=0;this.ga=1E7;this.qh=this.Gb=this.Wc=0}C(Gg,W);s=Gg.prototype;s.setPosition=function(a,b){this.ob=I(a,-1.57,1.57);this.yb=Bb(b);this.dispatchEvent(new Hg(Ig))};function Jg(a,b,c){function d(a){var d=c;c=d*Math.cos(a)-2*b*Math.sin(a);b=d*Math.sin(a)/2+b*Math.cos(a)}d(a.qh);b/=Math.max(Math.abs(Math.cos(a.Gb)),0.1);d(a.Wc);a.setPosition(a.ob+b,a.yb+c)}s.getPosition=function(){return[this.ob,this.yb]};
function Kg(a,b){a.ga=I(b,250,1E7);a.dispatchEvent(new Hg(Lg))}s.Tc=function(){return Mg(this.f,this.f.a.fb/2,this.f.a.eb/2,!0)};s.setHeading=ba("Wc");s.setTilt=ba("Gb");s.getHeading=p("Wc");s.getTilt=p("Gb");var Ig="poschanged",Lg="altchanged";function Hg(a){R.call(this,a)}C(Hg,R);function Ng(a,b,c,d,f){function g(a,b,c,d){return a?b:Math.max(1,Math.pow(2,Math.ceil(Math.log(b/Math.max(1,Math.sqrt(c*c+d*d)))/Math.LN2)))}a=a.g;this.cb=[];this.Mc=[];this.v=[];for(var h=-b/2;h<b/2;++h)for(var j=-c/2;j<c/2;++j){var k=g(f,d,h,j);Og(this,h,j,k,[j+1<c/2&&g(f,d,h,j+1)>k,h+1<b/2&&g(f,d,h+1,j)>k,j-1>-c/2&&g(f,d,h,j-1)>k,h-1>-b/2&&g(f,d,h-1,j)>k])}this.Ke=a.createBuffer();this.Ie=a.createBuffer();this.Qg=a.createBuffer();a.bindBuffer(a.ARRAY_BUFFER,this.Ke);a.bufferData(a.ARRAY_BUFFER,
new Float32Array(this.cb),a.STATIC_DRAW);this.Ke.uf=2;a.bindBuffer(a.ARRAY_BUFFER,this.Ie);a.bufferData(a.ARRAY_BUFFER,new Float32Array(this.Mc),a.STATIC_DRAW);this.Ie.uf=2;a.bindBuffer(a.ELEMENT_ARRAY_BUFFER,this.Qg);a.bufferData(a.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.v),a.STATIC_DRAW);this.mj=this.v.length}
function Og(a,b,c,d,f){for(var g=a.cb.length/2,h=0;h<=d;++h)for(var j=0;j<=d;++j)a.cb.push(b+j/d,c+h/d),a.Mc.push(j/d,1-h/d);var k=[0,0,0,0];if(f[0]){k[0]=a.cb.length/2;for(j=0;j<d;++j)a.cb.push(b+(j+0.5)/d,c+1),a.Mc.push((j+0.5)/d,0)}if(f[1]){k[1]=a.cb.length/2;for(h=0;h<d;++h)a.cb.push(b+1,c+(h+0.5)/d),a.Mc.push(1,1-(h+0.5)/d)}if(f[2]){k[2]=a.cb.length/2;for(j=0;j<d;++j)a.cb.push(b+(j+0.5)/d,c),a.Mc.push((j+0.5)/d,1)}if(f[3]){k[3]=a.cb.length/2;for(h=0;h<d;++h)a.cb.push(b,c+(h+0.5)/d),a.Mc.push(0,
1-(h+0.5)/d)}b=A(aa(),a);c=d+1;for(h=0;h<d;++h)for(j=0;j<d;++j){var l=g+h*c+j;a.v.push(l);var o=h==0&&f[2],m=j==0&&f[3];o&&!m?(a.v.push(k[2]+j),a.v.push(l+c),b(),a.v.push(k[2]+j)):m&&!o?(a.v.push(l+1),a.v.push(k[3]+h),b(),a.v.push(k[3]+h)):m&&o&&(a.v.push(k[2]+j),a.v.push(k[3]+h),b(),a.v.push(k[3]+h),a.v.push(k[2]+j),a.v.push(l+c),b(),a.v.push(k[2]+j));a.v.push(l+1);a.v.push(l+c);b();a.v.push(l+c+1);o=h==d-1&&f[0];m=j==d-1&&f[1];o&&!m?(a.v.push(k[0]+j),a.v.push(l+1),b(),a.v.push(k[0]+j)):m&&!o?(a.v.push(l+
c),a.v.push(k[1]+h),b(),a.v.push(k[1]+h)):o&&m&&(a.v.push(k[0]+j),a.v.push(k[1]+h),b(),a.v.push(k[1]+h),a.v.push(k[0]+j),a.v.push(l+1),b(),a.v.push(k[0]+j));a.v.push(l+c);a.v.push(l+1);b()}};function Pg(a,b,c,d){b=b.g;this.D=a;this.Zd=b.getAttribLocation(this.D,"aVertexPosition");b.enableVertexAttribArray(this.Zd);this.zh=b.getAttribLocation(this.D,"aTextureCoord");b.enableVertexAttribArray(this.zh);this.jj=$(b,this.D,"uMVPMatrix");this.Ti=$(b,this.D,"uMetaL0A");this.Wi=$(b,this.D,"uMetaL1A");this.Zi=$(b,this.D,"uMetaL2A");this.Ki=$(b,this.D,"uOffLA");this.Rh=$(b,this.D,"uBufferL0A");this.Uh=$(b,this.D,"uBufferL1A");this.Xh=$(b,this.D,"uBufferL2A");this.Zh=$(b,this.D,"uBufferLnA");if(c)this.Ui=
$(b,this.D,"uMetaL0B"),this.Xi=$(b,this.D,"uMetaL1B"),this.$i=$(b,this.D,"uMetaL2B"),this.Li=$(b,this.D,"uOffLB"),this.Sh=$(b,this.D,"uBufferL0B"),this.Vh=$(b,this.D,"uBufferL1B"),this.Yh=$(b,this.D,"uBufferL2B"),this.cj=$(b,this.D,"uMixFactor");if(d)this.ii=$(b,this.D,"uDegradationT"),this.Vi=$(b,this.D,"uMetaL0T"),this.Yi=$(b,this.D,"uMetaL1T"),this.Mi=$(b,this.D,"uOffLT"),this.Th=$(b,this.D,"uBufferL0T"),this.Wh=$(b,this.D,"uBufferL1T"),this.$h=$(b,this.D,"uBufferLnT");this.Qj=$(b,this.D,"uTileCount");
this.nj=$(b,this.D,"uOffset")}function $(a,b,c){a=a.getUniformLocation(b,c);x(a)&&e(Error("Invalid name "+c));return a};function Qg(a){this.Fb=new lb;this.vc=[];this.Oj=512;this.ug=new Ee(2E4);T(this.ug,Ge,this.bi,!1,this);this.ug.start();Rg(this,a)}function Rg(a,b){a.Ah=B();a.Ha=b;gb(a.Fb,function(a){a.j()});a.Fb.clear();a.vc=[]}s=Qg.prototype;s.Ha=n;s.Ah=0;s.Pj=v;
s.bi=function(){var a=Sa(this.Fb.Rb(),function(a){return a.state==20||a.state==Fa||a.state==-10});for(cb(a,function(a,b){return a.$b-b.$b});this.Fb.df()>this.Oj&&a.length>0;){var b=a.shift();b.state==Fa&&Xa(this.vc,b);this.Fb.remove(b.zoom+"_"+b.x+"_"+b.y);b.j()}};s.Rj=function(a){a.$b<this.Ah?(a.state=-10,this.Fb.remove(a.zoom+"_"+a.x+"_"+a.y),a.j()):this.Pj(a)};
function Sg(a){cb(a.vc,function(a,b){return a.$b-b.$b});for(var b=Math.min(a.vc.length,5-a.Ha.Zc),c=0;c<b;c++)tb(a.Ha,a.vc.pop(),A(a.Rj,a))};function Tg(a,b,c,d){this.hb=b;this.Jb=[];this.s=c;this.Ha=a;this.dg=new Qg(a);this.wa=d;this.Ga=1<<this.wa;this.Oc=this.s>=this.Ga;this.Ab=this.yc=0;this.buffer=n;this.ta=[];Ug(this)}function Ug(a){a.ta=[];for(var b=0;b<a.s;++b)a.ta.push(Array(a.s));a.buffer&&a.buffer.clear()}Tg.prototype.disable=function(){this.Jb=[];Ug(this);this.buffer=n};Tg.prototype.Lb=function(a){this.Ha=a;Rg(this.dg,a);this.Jb=[];Ug(this)};
function Vg(a){a.Jb=[];for(var b=A(function(a,b){var c=(this.Oc?this.Ga:this.s)/2;a+=c;b+=c;this.ta[b][a]!==1&&Wg(this,this.yc+a,this.Ab+b,d)},a),c=A(function(a,c){for(var d=-c;d<c;++d)b(d,-c),b(d,c-1);for(d=-c;d<c;++d)b(-c,d),b(c-1,d)},a),d=B(),a=Math.min(a.s,a.Ga)/2;a>0;--a)c(d+a,a)}
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function Yg(a){var b=a.wb;b.bindTexture(b.TEXTURE_2D,a.Ma);b.pixelStorei(b.UNPACK_FLIP_Y_WEBGL,1);b.texImage2D(b.TEXTURE_2D,0,b.RGBA,a.hg,a.qf,0,b.RGBA,b.UNSIGNED_BYTE,n);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,Zg?b.LINEAR_MIPMAP_LINEAR:b.LINEAR);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,Zg?b.LINEAR_MIPMAP_LINEAR:b.LINEAR)}Xg.prototype.clear=function(){this.wb.deleteTexture(this.Ma);this.Ma=this.wb.createTexture();Yg(this)};function $g(a,b,c){function d(b){g.isTexture(h)&&!(b.Ag>=3)&&ub(a,b,f,d)}function f(c){if(g.isTexture(h)){g.bindTexture(g.TEXTURE_2D,h);try{g.texSubImage2D(g.TEXTURE_2D,0,c.x*k,(j-c.y-1)*k,g.RGBA,g.UNSIGNED_BYTE,c.sd?n:c.Sb)}catch(l){a.Te()&&(a.Uf(b.Hd)||!(c.Sb&&c.Sb.src.lastIndexOf(b.Hd,0)==0))?ub(a,c,f,d):b.Hf()}}}var g=this.wb=b.g,h=g.createTexture();this.Ma=h;var j=1<<c,k=a.tileSize;g.bindTexture(g.TEXTURE_2D,h);g.pixelStorei(g.UNPACK_FLIP_Y_WEBGL,1);g.texImage2D(g.TEXTURE_2D,0,g.RGBA,k*j,k*j,
0,g.RGBA,g.UNSIGNED_BYTE,n);g.texParameteri(g.TEXTURE_2D,g.TEXTURE_MAG_FILTER,g.LINEAR);g.texParameteri(g.TEXTURE_2D,g.TEXTURE_MIN_FILTER,g.LINEAR);for(var l=0;l<j;++l)for(var o=0;o<j;++o)tb(a,new Ea(c,l,o),f,d)}C($g,D);$g.prototype.h=function(){this.wb.deleteTexture(this.Ma)};function ah(a,b,c,d,f,g,h){this.hb=b;this.s=c;this.Ka=f;this.te=g;this.Ha=a;var j=a.tileSize;this.rb=[];for(var k=0;k<d;++k)this.rb.push(new Xg(b,this.s*j,this.s*j));for(this.aa=[];f<=g;++f)this.aa.push(new Tg(a,b,c,f));for(k=0;k<d;++k)this.aa[k].buffer=this.rb[k];this.Oa=0;this.Cd=h?n:new $g(a,b,2)}ah.prototype.Lb=function(a){if(!x(this.Cd))this.Cd.j(),this.Cd=new $g(a,this.hb,2);this.Ha=a;var b=this.s*a.tileSize;H(this.rb,function(a){a.Be(b,b)});H(this.aa,function(b){b.Lb(a)});bh(this)};
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function fh(a,b,c){if(b>a.te)return Array(2*c);for(var d=[],f=b-a.Ka;f>b-a.Ka-c;--f)d.push(Math.round(a.aa[Math.max(0,f)].yc),Math.round(a.aa[Math.max(0,f)].Ab));return d}
function bh(a){for(var b=Array(a.rb.length),c=0;c<a.rb.length;c++){var d=a.aa[a.Oa+c],f=gh((0.5-d.Ab/d.Ga)*2*Math.PI),g=gh((0.5-(d.Ab+d.s)/d.Ga)*2*Math.PI);b[c]=new vb(d.Oc?0:gh((0.5-(d.Ab+d.s/2)/d.Ga)*2*Math.PI),d.Oc?0:((d.yc+d.s/2)/d.Ga-0.5)*2*Math.PI,d.Oc?Math.PI/2:Math.abs(f-g),d.Oc?Math.PI:d.s/d.Ga*2*Math.PI,d.wa)}a.Ha.Fj(b)};function hh(a,b){this.a=a.a;this.n=a;this.Sa=b||new Af;this.Da=new ah(this.Sa,this.a,8,3,1,19);this.ia=this.rd=n;this.yj=0;this.Hc=!1;this.Lb(this.Sa,!0);this.Ic=1;this.Ff=[0,0];this.sh=[new Ng(this.a,1,1,1),new Ng(this.a,4,4,16,!0),new Ng(this.a,6,6,8,!0),new Ng(this.a,8,8,8,!0),new Ng(this.a,10,10,8),new Ng(this.a,64,64,this.Hc?8:4)];this.Ni=ih(this,!1);this.Oi=ih(this,!0);this.wa=n;T(this.n.d,Lg,this.ig,!1,this)}s=hh.prototype;
s.Lb=function(a,b,c){if(a)a.ci=A(this.n.gg,this.n);if(c)if(this.rd=a)this.ia!=n?this.ia.Lb(a):(this.Da=new ah(this.Sa,this.a,4,3,1,19),this.ia=new ah(this.rd,this.a,4,3,0,15));else{if(this.ia!=n)this.Da=new ah(this.Sa,this.a,8,3,1,19),this.ia=n}else{if(!a)return;this.Da.Lb(a);this.Sa=a}b!==!0&&(Ag(this.n),this.n.gg(),this.setZoom(this.getZoom()))};function jh(a,b){return b?a.rd:a.Sa}
s.draw=function(){var a=this.a.g;this.Ic=1<<this.getZoom();var b=this.n.d.getPosition(),c=this.n.d.Tc()||b;this.Ff[0]=Math.floor(b[1]/(2*Math.PI)*this.Ic);this.Ff[1]=I(Math.floor(sb(b[0])/(Math.PI*2)*this.Ic),-this.Ic/2,this.Ic/2);ch(this.Da,c[0],c[1],b[0],b[1],Math.floor(this.getZoom()));this.ia&&ch(this.ia,c[0],c[1],b[0],b[1],Math.floor(this.getZoom()));this.Hc&&ch(this.Nb,c[0],c[1],b[0],b[1],Math.floor(this.getZoom())-5);c=Math.floor(this.getZoom());this.Ic=1<<c;b=this.ia?this.Oi:this.Ni;a.useProgram(b.D);
a.activeTexture(a.TEXTURE0);a.bindTexture(a.TEXTURE_2D,eh(this.Da,c,0));a.uniform1i(b.Rh,0);a.activeTexture(a.TEXTURE1);a.bindTexture(a.TEXTURE_2D,eh(this.Da,c,1));a.uniform1i(b.Uh,1);a.activeTexture(a.TEXTURE2);a.bindTexture(a.TEXTURE_2D,eh(this.Da,c,2));a.uniform1i(b.Xh,2);a.activeTexture(a.TEXTURE3);a.bindTexture(a.TEXTURE_2D,this.Da.Cd.Ma);a.uniform1i(b.Zh,3);a.uniform1fv(b.Ti,new Float32Array(dh(this.Da,c,0)));a.uniform1fv(b.Wi,new Float32Array(dh(this.Da,c,1)));a.uniform1fv(b.Zi,new Float32Array(dh(this.Da,
c,2)));a.uniform2fv(b.Ki,new Float32Array(fh(this.Da,c,3)));this.ia&&(a.activeTexture(a.TEXTURE4),a.bindTexture(a.TEXTURE_2D,eh(this.ia,c,0)),a.uniform1i(b.Sh,4),a.activeTexture(a.TEXTURE5),a.bindTexture(a.TEXTURE_2D,eh(this.ia,c,1)),a.uniform1i(b.Vh,5),a.activeTexture(a.TEXTURE6),a.bindTexture(a.TEXTURE_2D,eh(this.ia,c,2)),a.uniform1i(b.Yh,6),a.uniform1fv(b.Ui,new Float32Array(dh(this.ia,c,0))),a.uniform1fv(b.Xi,new Float32Array(dh(this.ia,c,1))),a.uniform1fv(b.$i,new Float32Array(dh(this.ia,c,2))),
a.uniform2fv(b.Li,new Float32Array(fh(this.ia,c,3))),a.uniform1f(b.cj,this.yj));if(this.Hc){var d=I(c-5,2,this.He.maxZoom);a.uniform1f(b.ii,c-d);a.activeTexture(a.TEXTURE7);a.bindTexture(a.TEXTURE_2D,eh(this.Nb,d,0));a.uniform1i(b.Th,7);a.activeTexture(a.TEXTURE8);a.bindTexture(a.TEXTURE_2D,eh(this.Nb,d,1));a.uniform1i(b.Wh,8);a.activeTexture(a.TEXTURE9);a.bindTexture(a.TEXTURE_2D,this.Nb.Cd.Ma);a.uniform1i(b.$h,9);a.uniform1fv(b.Vi,new Float32Array(dh(this.Nb,d,0)));a.uniform1fv(b.Yi,new Float32Array(dh(this.Nb,
d,1)));a.uniform2fv(b.Mi,new Float32Array(fh(this.Nb,d,2)))}d=new Float32Array(eb(ng(Bg(this.a)).Td()));c=this.sh[Math.min(c,this.sh.length-1)];a.bindBuffer(a.ARRAY_BUFFER,c.Ke);a.vertexAttribPointer(b.Zd,c.Ke.uf,a.FLOAT,!1,0,0);a.bindBuffer(a.ARRAY_BUFFER,c.Ie);a.vertexAttribPointer(b.zh,c.Ie.uf,a.FLOAT,!1,0,0);a.uniformMatrix4fv(b.jj,!1,d);a.uniform1f(b.Qj,this.Ic);a.uniform2fv(b.nj,new Float32Array(this.Ff));a.bindBuffer(a.ELEMENT_ARRAY_BUFFER,c.Qg);a.drawElements(a.TRIANGLES,c.mj,a.UNSIGNED_SHORT,
0)};
function ih(a,b){var c=a.a.g,d=Eg("earth-fs"+(b?"-overlay":"")+".glsl"),f=Eg("earth-vs"+(b?"-overlay":"")+".glsl"),f=f.replace("%TERRAIN_BOOL%",a.Hc?"1":"0");a.Hc&&(f=f.replace("%BUFFER_SIDE_T_FLOAT%",a.Nb.s.toFixed(1)));var d=Cg(a.a,d,c.FRAGMENT_SHADER),f=Cg(a.a,f,c.VERTEX_SHADER),g=c.createProgram();x(g)&&e(Error("Unknown"));c.attachShader(g,f);c.attachShader(g,d);c.bindAttribLocation(g,0,"aVertexPosition");c.linkProgram(g);c.getProgramParameter(g,c.LINK_STATUS)||e(Error("Shader program err: "+c.getProgramInfoLog(g)));
return new Pg(g,a.a,b,a.Hc)}s.setZoom=function(a){this.wa=I(a,this.Sa.zd(),this.Sa.maxZoom);Kg(this.n.d,kh(this,this.wa,this.n.d.ob))};s.ig=function(){this.wa=n};s.getZoom=function(){x(this.wa)&&lh(this);return this.wa};function lh(a,b){var c=a.n.d,c=Math.log(Math.cos(Math.abs(c.ob))*2*Math.PI/(2*(c.ga/6378137)*Math.tan(a.a.nc/2)/a.n.Qd))/Math.LN2;return b?c:(a.wa=I(c,a.Sa.zd(),a.Sa.maxZoom),a.wa)}
function kh(a,b,c){return 1/Math.tan(a.a.nc/2)*(Math.cos(Math.abs(c))*2*Math.PI/Math.pow(2,b)*a.n.Qd/2)*6378137}function mh(a,b,c,d){var f=Math.sin((c-a)/2),b=Math.sin((d-b)/2);return 6378137*2*Math.asin(Math.sqrt(f*f+Math.cos(a)*Math.cos(c)*b*b))};function nh(a,b,c){this.x=w(a)?a:0;this.y=w(b)?b:0;this.G=w(c)?c:0}nh.prototype.ja=function(){return new nh(this.x,this.y,this.G)};nh.prototype.Td=function(){return[this.x,this.y,this.G]};function oh(a,b,c){this.x=a;this.y=b;this.G=c}C(oh,nh);s=oh.prototype;s.ja=function(){return new oh(this.x,this.y,this.G)};s.scale=function(a){this.x*=a;this.y*=a;this.G*=a;return this};s.normalize=function(){return this.scale(1/Math.sqrt(this.x*this.x+this.y*this.y+this.G*this.G))};s.add=function(a){this.x+=a.x;this.y+=a.y;this.G+=a.G;return this};s.bg=function(a){this.x-=a.x;this.y-=a.y;this.G-=a.G;return this};s.equals=function(a){return this==a||!!a&&this.x==a.x&&this.y==a.y&&this.G==a.G};function ph(a,b,c,d,f,g){if(x(d))return n;a=d.multiply(new Z([[a/f*2-1],[1-2*b/g],[c*2-1],[1]]));if(og(a,3,0)==0)return n;a=a.multiply(1/og(a,3,0));return new oh(og(a,0,0),og(a,1,0),og(a,2,0))};var Zg=!0,qb=1.4844222297453324;function qh(a,b,c,d,f,g){this.a=a;this.Rg=b||n;this.hc=c||document.createElement("div");if(!w(c))a=this.a.canvas,a.parentNode&&a.parentNode.insertBefore(this.hc,a.nextSibling);this.Ud=d||document.createElement("img");if(!w(d))d=this.hc,d.parentNode&&d.parentNode.insertBefore(this.Ud,d.nextSibling);this.Mh=g||n;this.d=new Gg(this);this.I=new hh(this,f);this.ri=new Fg(this);this.Qd=0;Ag(this);this.gg()}
qh.prototype.gg=function(){x(this.hc)||(Oc(this.hc),Cb(this.hc,this.Mh),jh(this.I).nd(this.hc),jh(this.I,!0)&&(Cb(this.hc,Q("br"),Q("strong",{},"Overlay data:"),Q("br")),jh(this.I,!0).nd(this.hc)));if(!x(this.Ud))x(n)?this.Ud.style.visibility="hidden":(this.Ud.src=n,this.Ud.style.visibility="visible")};function rh(a){return Math.max(1,jh(a.I).zd())}function Ag(a){a.Qd=0.7*a.a.canvas.height/jh(a.I).tileSize}
qh.prototype.draw=function(){var a=this.a.g;if(!x(this.Rg)){for(var b=this.Rg,c=zb(this.d.ob).toFixed(4)+"; "+zb(this.d.yb).toFixed(4)+" @ "+this.d.ga.toFixed(0)+"m -> z="+this.I.getZoom().toFixed(3)+"; ",d=this.I,f=d.Da,g="",h=0;h<f.aa.length;++h)g+=h+f.Ka+":"+f.aa[h].Jb.length+" ";f="BufferQueue size: "+g+"; Loading tiles: "+d.Sa.Zc;d.rd&&(f+=" + "+d.rd.Zc);b.innerHTML=c+f}b=this.d.ga/6378137;c=this.a;c.ae=0.25*b;c.$d=1+b;zg(c);a.enable(a.BLEND);a.disable(a.DEPTH_TEST);b=Math.sin((Math.PI-this.a.nc)/
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