@pnext/three-loader
Version:
Potree loader for ThreeJS, converted and adapted to Typescript.
1 lines • 150 kB
JavaScript
!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e(require("three")):"function"==typeof define&&define.amd?define("potree",["three"],e):"object"==typeof exports?exports.potree=e(require("three")):t.potree=e(t.three)}(self,t=>(()=>{"use strict";var e={91:(t,e,n)=>{n.d(e,{A:()=>o});var i=n(512),r=n.n(i);function o(){return r()('(()=>{"use strict";var t;!function(t){t[t.POSITION_CARTESIAN=0]="POSITION_CARTESIAN",t[t.COLOR_PACKED=1]="COLOR_PACKED",t[t.COLOR_FLOATS_1=2]="COLOR_FLOATS_1",t[t.COLOR_FLOATS_255=3]="COLOR_FLOATS_255",t[t.NORMAL_FLOATS=4]="NORMAL_FLOATS",t[t.FILLER=5]="FILLER",t[t.INTENSITY=6]="INTENSITY",t[t.CLASSIFICATION=7]="CLASSIFICATION",t[t.NORMAL_SPHEREMAPPED=8]="NORMAL_SPHEREMAPPED",t[t.NORMAL_OCT16=9]="NORMAL_OCT16",t[t.NORMAL=10]="NORMAL"}(t||(t={}));const e={ordinal:1,size:4},n={ordinal:2,size:1},r={ordinal:3,size:1};function i(t,e,n){return{name:t,type:e,numElements:n,byteSize:n*e.size}}const s=i(t.COLOR_PACKED,n,4),a={POSITION_CARTESIAN:i(t.POSITION_CARTESIAN,e,3),RGBA_PACKED:s,COLOR_PACKED:s,RGB_PACKED:i(t.COLOR_PACKED,n,3),NORMAL_FLOATS:i(t.NORMAL_FLOATS,e,3),FILLER_1B:i(t.FILLER,r,1),INTENSITY:i(t.INTENSITY,{ordinal:5,size:2},1),CLASSIFICATION:i(t.CLASSIFICATION,r,1),NORMAL_SPHEREMAPPED:i(t.NORMAL_SPHEREMAPPED,r,2),NORMAL_OCT16:i(t.NORMAL_OCT16,r,2),NORMAL:i(t.NORMAL,e,3)};class o{constructor(t){this.versionMinor=0,this.version=t;const e=-1===t.indexOf(".")?t.length:t.indexOf(".");this.versionMajor=parseInt(t.substr(0,e),10),this.versionMinor=parseInt(t.substr(e+1),10),isNaN(this.versionMinor)&&(this.versionMinor=0)}newerThan(t){const e=new o(t);return this.versionMajor>e.versionMajor||this.versionMajor===e.versionMajor&&this.versionMinor>e.versionMinor}equalOrHigher(t){const e=new o(t);return this.versionMajor>e.versionMajor||this.versionMajor===e.versionMajor&&this.versionMinor>=e.versionMinor}upTo(t){return!this.newerThan(t)}}class u{constructor(t){this.tmp=new ArrayBuffer(4),this.tmpf=new Float32Array(this.tmp),this.tmpu8=new Uint8Array(this.tmp),this.u8=new Uint8Array(t)}getUint32(t){return this.u8[t+3]<<24|this.u8[t+2]<<16|this.u8[t+1]<<8|this.u8[t]}getUint16(t){return this.u8[t+1]<<8|this.u8[t]}getFloat32(t){const e=this.tmpu8,n=this.u8,r=this.tmpf;return e[0]=n[t+0],e[1]=n[t+1],e[2]=n[t+2],e[3]=n[t+3],r[0]}getUint8(t){return this.u8[t]}}const f=Math.sign||function(t){return 0==(t=+t)||t!=t?t:t<0?-1:1};function A(e,n){const r=function(e,n){switch(e.name){case t.POSITION_CARTESIAN:return function(t,e){const n=new ArrayBuffer(4*e.numPoints*3),r=new Float32Array(n);for(let t=0;t<e.numPoints;t++){let n,i,s;e.version.newerThan("1.3")?(n=e.data.getUint32(e.currentOffset+t*e.pointAttributes.byteSize+0)*e.scale,i=e.data.getUint32(e.currentOffset+t*e.pointAttributes.byteSize+4)*e.scale,s=e.data.getUint32(e.currentOffset+t*e.pointAttributes.byteSize+8)*e.scale):(n=e.data.getFloat32(t*e.pointAttributes.byteSize+0)+e.nodeOffset[0],i=e.data.getFloat32(t*e.pointAttributes.byteSize+4)+e.nodeOffset[1],s=e.data.getFloat32(t*e.pointAttributes.byteSize+8)+e.nodeOffset[2]),r[3*t+0]=n,r[3*t+1]=i,r[3*t+2]=s,e.mean[0]+=n/e.numPoints,e.mean[1]+=i/e.numPoints,e.mean[2]+=s/e.numPoints,e.tightBoxMin[0]=Math.min(e.tightBoxMin[0],n),e.tightBoxMin[1]=Math.min(e.tightBoxMin[1],i),e.tightBoxMin[2]=Math.min(e.tightBoxMin[2],s),e.tightBoxMax[0]=Math.max(e.tightBoxMax[0],n),e.tightBoxMax[1]=Math.max(e.tightBoxMax[1],i),e.tightBoxMax[2]=Math.max(e.tightBoxMax[2],s)}return{buffer:n,attribute:t}}(e,n);case t.COLOR_PACKED:return function(t,e){const n=new ArrayBuffer(3*e.numPoints),r=new Uint8Array(n);for(let t=0;t<e.numPoints;t++)r[3*t+0]=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+0),r[3*t+1]=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+1),r[3*t+2]=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+2);return{buffer:n,attribute:t}}(e,n);case t.INTENSITY:return function(t,e){const n=new ArrayBuffer(4*e.numPoints),r=new Float32Array(n);for(let t=0;t<e.numPoints;t++)r[t]=e.data.getUint16(e.currentOffset+t*e.pointAttributes.byteSize);return{buffer:n,attribute:t}}(e,n);case t.CLASSIFICATION:return function(t,e){const n=new ArrayBuffer(e.numPoints),r=new Uint8Array(n);for(let t=0;t<e.numPoints;t++)r[t]=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize);return{buffer:n,attribute:t}}(e,n);case t.NORMAL_SPHEREMAPPED:return function(t,e){const n=new ArrayBuffer(4*e.numPoints*3),r=new Float32Array(n);for(let t=0;t<e.numPoints;t++){let n=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+0)/255*2-1,i=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+1)/255*2-1,s=1;const a=n*-n+i*-i+1*s;s=a,n*=Math.sqrt(a),i*=Math.sqrt(a),n*=2,i*=2,s=2*s-1,r[3*t+0]=n,r[3*t+1]=i,r[3*t+2]=s}return{buffer:n,attribute:t}}(e,n);case t.NORMAL_OCT16:return function(t,e){const n=new ArrayBuffer(4*e.numPoints*3),r=new Float32Array(n);for(let t=0;t<e.numPoints;t++){const n=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+0)/255*2-1,i=e.data.getUint8(e.currentOffset+t*e.pointAttributes.byteSize+1)/255*2-1;let s=1-Math.abs(n)-Math.abs(i),a=0,o=0;s>=0?(a=n,o=i):(a=-(i/f(i)-1)/f(n),o=-(n/f(n)-1)/f(i));const u=Math.sqrt(a*a+o*o+s*s);a/=u,o/=u,s/=u,r[3*t+0]=a,r[3*t+1]=o,r[3*t+2]=s}return{buffer:n,attribute:t}}(e,n);case t.NORMAL:return function(t,e){const n=new ArrayBuffer(4*e.numPoints*3),r=new Float32Array(n);for(let t=0;t<e.numPoints;t++){const n=e.data.getFloat32(e.currentOffset+t*e.pointAttributes.byteSize+0),i=e.data.getFloat32(e.currentOffset+t*e.pointAttributes.byteSize+4),s=e.data.getFloat32(e.currentOffset+t*e.pointAttributes.byteSize+8);r[3*t+0]=n,r[3*t+1]=i,r[3*t+2]=s}return{buffer:n,attribute:t}}(e,n);default:return}}(e,n);void 0!==r&&(n.attributeBuffers[r.attribute.name]=r,n.transferables.push(r.buffer))}onmessage=function(e){const n=e.data.buffer,r=e.data.pointAttributes,i={attributeBuffers:{},currentOffset:0,data:new u(n),mean:[0,0,0],nodeOffset:e.data.offset,numPoints:e.data.buffer.byteLength/r.byteSize,pointAttributes:r,scale:e.data.scale,tightBoxMax:[Number.NEGATIVE_INFINITY,Number.NEGATIVE_INFINITY,Number.NEGATIVE_INFINITY],tightBoxMin:[Number.POSITIVE_INFINITY,Number.POSITIVE_INFINITY,Number.POSITIVE_INFINITY],transferables:[],version:new o(e.data.version)};for(const t of i.pointAttributes.attributes)A(t,i),i.currentOffset+=t.byteSize;const s=new ArrayBuffer(4*i.numPoints),f=new Uint32Array(s);for(let t=0;t<i.numPoints;t++)f[t]=t;i.attributeBuffers[t.CLASSIFICATION]||function(e){const n=new ArrayBuffer(4*e.numPoints),r=new Float32Array(n);for(let t=0;t<e.numPoints;t++)r[t]=0;e.attributeBuffers[t.CLASSIFICATION]={buffer:n,attribute:a.CLASSIFICATION}}(i);const O={buffer:n,mean:i.mean,attributeBuffers:i.attributeBuffers,tightBoundingBox:{min:i.tightBoxMin,max:i.tightBoxMax},indices:s};postMessage(O,i.transferables)}})();\n',"Worker",void 0,void 0)}},168:(t,e,n)=>{n.d(e,{A:()=>i});const i="precision highp float;\nprecision highp int;\n\nuniform mat4 viewMatrix;\nuniform vec3 cameraPosition;\n\nuniform mat4 projectionMatrix;\nuniform float opacity;\n\nuniform float blendHardness;\nuniform float blendDepthSupplement;\nuniform float fov;\nuniform float spacing;\nuniform float pcIndex;\nuniform float screenWidth;\nuniform float screenHeight;\n\nuniform sampler2D depthMap;\n\n#if defined (clip_horizontally) || defined (clip_vertically)\n\tuniform vec4 clipExtent;\n#endif\n\n#ifdef use_texture_blending\n\tuniform sampler2D backgroundMap;\n#endif\n\n\n#ifdef use_point_cloud_mixing\n\tuniform int pointCloudMixingMode;\n\tuniform float pointCloudID;\n\tuniform float pointCloudMixAngle;\n\tuniform float stripeDistanceX;\n\tuniform float stripeDistanceY;\n\n\tuniform float stripeDivisorX;\n\tuniform float stripeDivisorY;\n#endif\n\n#ifdef highlight_point\n\tuniform vec4 highlightedPointColor;\n#endif\n\nin vec3 vColor;\n\n#if !defined(color_type_point_index)\n\tin float vOpacity;\n#endif\n\n#if defined(weighted_splats)\n\tin float vLinearDepth;\n#endif\n\n#if !defined(paraboloid_point_shape) && defined(use_edl)\n\tin float vLogDepth;\n#endif\n\n#if defined(color_type_phong) && (MAX_POINT_LIGHTS > 0 || MAX_DIR_LIGHTS > 0) || defined(paraboloid_point_shape)\n\tin vec3 vViewPosition;\n#endif\n\n#if defined(weighted_splats) || defined(paraboloid_point_shape)\n\tin float vRadius;\n#endif\n\n#if defined(color_type_phong) && (MAX_POINT_LIGHTS > 0 || MAX_DIR_LIGHTS > 0)\n\tin vec3 vNormal;\n#endif\n\n#ifdef highlight_point\n\tin float vHighlight;\n#endif\n\nout vec4 outFragColor;\n\nfloat specularStrength = 1.0;\n\nvoid main() {\n\tvec3 color = vColor;\n\tfloat depth = gl_FragCoord.z;\n\n\t#if defined (clip_horizontally) || defined (clip_vertically)\n\tvec2 ndc = vec2((gl_FragCoord.x / screenWidth), 1.0 - (gl_FragCoord.y / screenHeight));\n\n\tif(step(clipExtent.x, ndc.x) * step(ndc.x, clipExtent.z) < 1.0)\n\t{\n\t\tdiscard;\n\t}\n\n\tif(step(clipExtent.y, ndc.y) * step(ndc.y, clipExtent.w) < 1.0)\n\t{\n\t\tdiscard;\n\t}\n\t#endif \n\n\t#if defined(circle_point_shape) || defined(paraboloid_point_shape) || defined (weighted_splats)\n\t\tfloat u = 2.0 * gl_PointCoord.x - 1.0;\n\t\tfloat v = 2.0 * gl_PointCoord.y - 1.0;\n\t#endif\n\n\t#if defined(circle_point_shape) || defined (weighted_splats)\n\t\tfloat cc = u*u + v*v;\n\t\tif(cc > 1.0){\n\t\t\tdiscard;\n\t\t}\n\t#endif\n\n\t#if defined weighted_splats\n\t\tvec2 uv = gl_FragCoord.xy / vec2(screenWidth, screenHeight);\n\t\tfloat sDepth = texture(depthMap, uv).r;\n\t\tif(vLinearDepth > sDepth + vRadius + blendDepthSupplement){\n\t\t\tdiscard;\n\t\t}\n\t#endif\n\n\t#if defined color_type_point_index\n\t\toutFragColor = vec4(color, pcIndex / 255.0);\n\t#else\n\t\toutFragColor = vec4(color, vOpacity);\n\t#endif\n\n\t#ifdef use_point_cloud_mixing\n\t\tbool discardFragment = false;\n\n\t\tif (pointCloudMixingMode == 1) { // Checkboard\n\t\t\tfloat vPointCloudID = pointCloudID > 10. ? pointCloudID/10.: pointCloudID;\n\t\t\tdiscardFragment = mod(gl_FragCoord.x, vPointCloudID) > 0.5 && mod(gl_FragCoord.y, vPointCloudID) > 0.5;\n\t\t}\n\t\telse if (pointCloudMixingMode == 2) { // Stripes\n\t\t\tfloat angle = pointCloudMixAngle * pointCloudID / 180.;\n\t\t\tfloat u = cos(angle) * gl_FragCoord.x + sin(angle) * gl_FragCoord.y;\n\t\t\tfloat v = -sin(angle) * gl_FragCoord.x + cos(angle) * gl_FragCoord.y;\n\n\t\t\tdiscardFragment = mod(u, stripeDistanceX) >= stripeDistanceX/stripeDivisorX && mod(v, stripeDistanceY) >= stripeDistanceY/stripeDivisorY;\n\t\t}\n\t\tif (discardFragment) {\n\t\t\tdiscard;\n\t\t}\n\t#endif\n\n\t#ifdef use_texture_blending\n\t\tvec2 vUv = gl_FragCoord.xy / vec2(screenWidth, screenHeight);\n\n\t\tvec4 tColor = texture(backgroundMap, vUv);\n\t\toutFragColor = vec4(vOpacity * color, 1.) + vec4((1. - vOpacity) * tColor.rgb, 0.);\n\t#endif\n\n\t#if defined(color_type_phong)\n\t\t#if MAX_POINT_LIGHTS > 0 || MAX_DIR_LIGHTS > 0\n\t\t\tvec3 normal = normalize( vNormal );\n\t\t\tnormal.z = abs(normal.z);\n\n\t\t\tvec3 viewPosition = normalize( vViewPosition );\n\t\t#endif\n\n\t\t// code taken from three.js phong light fragment shader\n\n\t\t#if MAX_POINT_LIGHTS > 0\n\n\t\t\tvec3 pointDiffuse = vec3( 0.0 );\n\t\t\tvec3 pointSpecular = vec3( 0.0 );\n\n\t\t\tfor ( int i = 0; i < MAX_POINT_LIGHTS; i ++ ) {\n\n\t\t\t\tvec4 lPosition = viewMatrix * vec4( pointLightPosition[ i ], 1.0 );\n\t\t\t\tvec3 lVector = lPosition.xyz + vViewPosition.xyz;\n\n\t\t\t\tfloat lDistance = 1.0;\n\t\t\t\tif ( pointLightDistance[ i ] > 0.0 )\n\t\t\t\t\tlDistance = 1.0 - min( ( length( lVector ) / pointLightDistance[ i ] ), 1.0 );\n\n\t\t\t\tlVector = normalize( lVector );\n\n\t\t\t\t\t\t// diffuse\n\n\t\t\t\tfloat dotProduct = dot( normal, lVector );\n\n\t\t\t\t#ifdef WRAP_AROUND\n\n\t\t\t\t\tfloat pointDiffuseWeightFull = max( dotProduct, 0.0 );\n\t\t\t\t\tfloat pointDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\n\n\t\t\t\t\tvec3 pointDiffuseWeight = mix( vec3( pointDiffuseWeightFull ), vec3( pointDiffuseWeightHalf ), wrapRGB );\n\n\t\t\t\t#else\n\n\t\t\t\t\tfloat pointDiffuseWeight = max( dotProduct, 0.0 );\n\n\t\t\t\t#endif\n\n\t\t\t\tpointDiffuse += diffuse * pointLightColor[ i ] * pointDiffuseWeight * lDistance;\n\n\t\t\t\t// specular\n\n\t\t\t\tvec3 pointHalfVector = normalize( lVector + viewPosition );\n\t\t\t\tfloat pointDotNormalHalf = max( dot( normal, pointHalfVector ), 0.0 );\n\t\t\t\tfloat pointSpecularWeight = specularStrength * max( pow( pointDotNormalHalf, shininess ), 0.0 );\n\n\t\t\t\tfloat specularNormalization = ( shininess + 2.0 ) / 8.0;\n\n\t\t\t\tvec3 schlick = specular + vec3( 1.0 - specular ) * pow( max( 1.0 - dot( lVector, pointHalfVector ), 0.0 ), 5.0 );\n\t\t\t\tpointSpecular += schlick * pointLightColor[ i ] * pointSpecularWeight * pointDiffuseWeight * lDistance * specularNormalization;\n\t\t\t\tpointSpecular = vec3(0.0, 0.0, 0.0);\n\t\t\t}\n\n\t\t#endif\n\n\t\t#if MAX_DIR_LIGHTS > 0\n\n\t\t\tvec3 dirDiffuse = vec3( 0.0 );\n\t\t\tvec3 dirSpecular = vec3( 0.0 );\n\n\t\t\tfor( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {\n\n\t\t\t\tvec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );\n\t\t\t\tvec3 dirVector = normalize( lDirection.xyz );\n\n\t\t\t\t\t\t// diffuse\n\n\t\t\t\tfloat dotProduct = dot( normal, dirVector );\n\n\t\t\t\t#ifdef WRAP_AROUND\n\n\t\t\t\t\tfloat dirDiffuseWeightFull = max( dotProduct, 0.0 );\n\t\t\t\t\tfloat dirDiffuseWeightHalf = max( 0.5 * dotProduct + 0.5, 0.0 );\n\n\t\t\t\t\tvec3 dirDiffuseWeight = mix( vec3( dirDiffuseWeightFull ), vec3( dirDiffuseWeightHalf ), wrapRGB );\n\n\t\t\t\t#else\n\n\t\t\t\t\tfloat dirDiffuseWeight = max( dotProduct, 0.0 );\n\n\t\t\t\t#endif\n\n\t\t\t\tdirDiffuse += diffuse * directionalLightColor[ i ] * dirDiffuseWeight;\n\n\t\t\t\t// specular\n\n\t\t\t\tvec3 dirHalfVector = normalize( dirVector + viewPosition );\n\t\t\t\tfloat dirDotNormalHalf = max( dot( normal, dirHalfVector ), 0.0 );\n\t\t\t\tfloat dirSpecularWeight = specularStrength * max( pow( dirDotNormalHalf, shininess ), 0.0 );\n\n\t\t\t\tfloat specularNormalization = ( shininess + 2.0 ) / 8.0;\n\n\t\t\t\tvec3 schlick = specular + vec3( 1.0 - specular ) * pow( max( 1.0 - dot( dirVector, dirHalfVector ), 0.0 ), 5.0 );\n\t\t\t\tdirSpecular += schlick * directionalLightColor[ i ] * dirSpecularWeight * dirDiffuseWeight * specularNormalization;\n\t\t\t}\n\n\t\t#endif\n\n\t\tvec3 totalDiffuse = vec3( 0.0 );\n\t\tvec3 totalSpecular = vec3( 0.0 );\n\n\t\t#if MAX_POINT_LIGHTS > 0\n\n\t\t\ttotalDiffuse += pointDiffuse;\n\t\t\ttotalSpecular += pointSpecular;\n\n\t\t#endif\n\n\t\t#if MAX_DIR_LIGHTS > 0\n\n\t\t\ttotalDiffuse += dirDiffuse;\n\t\t\ttotalSpecular += dirSpecular;\n\n\t\t#endif\n\n\t\toutFragColor.xyz = outFragColor.xyz * ( emissive + totalDiffuse + ambientLightColor * ambient ) + totalSpecular;\n\n\t#endif\n\n\t#if defined weighted_splats\n\t //float w = pow(1.0 - (u*u + v*v), blendHardness);\n\n\t\tfloat wx = 2.0 * length(2.0 * gl_PointCoord - 1.0);\n\t\tfloat w = exp(-wx * wx * 0.5);\n\n\t\t//float distance = length(2.0 * gl_PointCoord - 1.0);\n\t\t//float w = exp( -(distance * distance) / blendHardness);\n\n\t\toutFragColor.rgb = outFragColor.rgb * w;\n\t\toutFragColor.a = w;\n\t#endif\n\n\t#if defined paraboloid_point_shape\n\t\tfloat wi = 0.0 - ( u*u + v*v);\n\t\tvec4 pos = vec4(vViewPosition, 1.0);\n\t\tpos.z += wi * vRadius;\n\t\tfloat linearDepth = -pos.z;\n\t\tpos = projectionMatrix * pos;\n\t\tpos = pos / pos.w;\n\t\tfloat expDepth = pos.z;\n\t\tdepth = (pos.z + 1.0) / 2.0;\n\t\tgl_FragDepth = depth;\n\n\t\t#if defined(color_type_depth)\n\t\t\toutFragColor.r = linearDepth;\n\t\t\toutFragColor.g = expDepth;\n\t\t#endif\n\n\t\t#if defined(use_edl)\n\t\t\toutFragColor.a = log2(linearDepth);\n\t\t#endif\n\n\t#else\n\t\t#if defined(use_edl)\n\t\t\toutFragColor.a = vLogDepth;\n\t\t#endif\n\t#endif\n\n\t#ifdef highlight_point\n\t\tif (vHighlight > 0.0) {\n\t\t\toutFragColor = highlightedPointColor;\n\t\t}\n\t#endif\n}\n"},218:(t,e,n)=>{n.d(e,{A:()=>o});var i=n(512),r=n.n(i);function o(){return r()('(()=>{"use strict";const 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contrast) {\n\treturn (1.0158730158730156 * (contrast + 1.0)) / (1.0158730158730156 - contrast);\n}\n\nvec3 getRGB() {\n\t\n\t#ifdef color_rgba\n\t\tvec3 rgb = rgba.rgb;\n\t#else\t\n\t\tvec3 rgb = color;\n\t#endif\t\t\n\n\t#if defined(use_rgb_gamma_contrast_brightness)\n\t\trgb = pow(rgb, vec3(rgbGamma));\n\t\trgb = rgb + rgbBrightness;\n\t\trgb = (rgb - 0.5) * getContrastFactor(rgbContrast) + 0.5;\n\t\trgb = clamp(rgb, 0.0, 1.0);\n\t\treturn rgb;\n\t#else\n\t\treturn rgb;\n\t#endif\n}\n\nfloat getIntensity() {\n\tfloat w = (intensity - intensityRange.x) / (intensityRange.y - intensityRange.x);\n\tw = pow(w, intensityGamma);\n\tw = w + intensityBrightness;\n\tw = (w - 0.5) * getContrastFactor(intensityContrast) + 0.5;\n\tw = clamp(w, 0.0, 1.0);\n\n\treturn w;\n}\n\nvec3 getElevation() {\n\tvec4 world = modelMatrix * vec4( position, 1.0 );\n\tfloat w = (world.z - heightMin) / (heightMax-heightMin);\n\tvec3 cElevation = texture(gradient, vec2(w,1.0-w)).rgb;\n\n\treturn cElevation;\n}\n\nvec4 getClassification() {\n\tvec2 uv = vec2(classification / 255.0, 0.5);\n\tvec4 classColor = texture(classificationLUT, uv);\n\n\treturn classColor;\n}\n\nvec3 getReturnNumber() {\n\tif (numberOfReturns == 1.0) {\n\t\treturn vec3(1.0, 1.0, 0.0);\n\t} else {\n\t\tif (returnNumber == 1.0) {\n\t\t\treturn vec3(1.0, 0.0, 0.0);\n\t\t} else if (returnNumber == numberOfReturns) {\n\t\t\treturn vec3(0.0, 0.0, 1.0);\n\t\t} else {\n\t\t\treturn vec3(0.0, 1.0, 0.0);\n\t\t}\n\t}\n}\n\nvec3 getSourceID() {\n\tfloat w = mod(pointSourceID, 10.0) / 10.0;\n\treturn texture(gradient, vec2(w, 1.0 - w)).rgb;\n}\n\nvec3 getCompositeColor() {\n\tvec3 c;\n\tfloat w;\n\n\tc += wRGB * getRGB();\n\tw += wRGB;\n\n\tc += wIntensity * getIntensity() * vec3(1.0, 1.0, 1.0);\n\tw += wIntensity;\n\n\tc += wElevation * getElevation();\n\tw += wElevation;\n\n\tc += wReturnNumber * getReturnNumber();\n\tw += wReturnNumber;\n\n\tc += wSourceID * getSourceID();\n\tw += wSourceID;\n\n\tvec4 cl = 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screenHeight / (slope * mvPosition.z);\n\n\t#if defined fixed_point_size\n\t\tpointSize = size;\n\t#elif defined attenuated_point_size\n\t\tpointSize = size * spacing * projFactor;\n\t#elif defined adaptive_point_size\n\t\tfloat worldSpaceSize = 2.0 * size * spacing / getPointSizeAttenuation();\n\t\tpointSize = worldSpaceSize * projFactor;\n\t#endif\n\n\tpointSize = max(minSize, pointSize);\n\tpointSize = min(maxSize, pointSize);\n\n\t#if defined(weighted_splats) || defined(paraboloid_point_shape)\n\t\tvRadius = pointSize / projFactor;\n\t#endif\n\n\tgl_PointSize = pointSize;\n\n\t// ---------------------\n\t// HIGHLIGHTING\n\t// ---------------------\n\n\t#ifdef highlight_point\n\t\tvec4 mPosition = modelMatrix * vec4(position, 1.0);\n\t\tif (enablePointHighlighting && abs(mPosition.x - highlightedPointCoordinate.x) < 0.0001 &&\n\t\t\tabs(mPosition.y - highlightedPointCoordinate.y) < 0.0001 &&\n\t\t\tabs(mPosition.z - highlightedPointCoordinate.z) < 0.0001) {\n\t\t\tvHighlight = 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