30:T11ac,class _colorConverter { constructor() { this.r = 0; this.g = 0; this.b = 0; } RGB2XYZ() { var r = this.r/255; var g = this.g/255; var b = this.b/255; r = r > 0.04045 ? Math.pow((r+0.055)/1.055,2.4) : r / 12.92; g = g > 0.04045 ? Math.pow((g+0.055)/1.055,2.4) : g / 12.92; b = b > 0.04045 ? Math.pow((b+0.055)/1.055,2.4) : b / 12.92; r = r * 100; g = g * 100; b = b * 100; //Observer. = 2°, Illuminant = D65 this.X = r * 0.4124 + g * 0.3576 + b * 0.1805; this.Y = r * 0.2126 + g * 0.7152 + b * 0.0722; this.Z = r * 0.0193 + g * 0.1192 + b * 0.9505; this.x = this.X/(this.X + this.Y + this.Z); this.y = this.Y/(this.X + this.Y + this.Z); this.z = this.Z/(this.X + this.Y + this.Z); } XYZ2RGB() { var X = this.X / 100; var Y = this.Y / 100; var Z = this.Z / 100; var R = X * 3.2406 + Y * -1.5372 + Z * -0.4986 var G = X * -0.9689 + Y * 1.8758 + Z * 0.0415 var B = X * 0.0557 + Y * -0.2040 + Z * 1.0570 R = R > 0.0031308 ? 1.055 * ( Math.pow( R , 1 / 2.4 ) ) - 0.055 : R = 12.92 * R; G = G > 0.0031308 ? 1.055 * ( Math.pow( G , 1 / 2.4 ) ) - 0.055 : G = 12.92 * G; B = B > 0.0031308 ? 1.055 * ( Math.pow( B , 1 / 2.4 ) ) - 0.055 : B = 12.92 * B; this.R = R * 255 this.G = G * 255 this.B = B * 255 } RGB(colorArray) { this.r = colorArray[0]; this.g = colorArray[1]; this.b = colorArray[2]; return this; } XYZ(colorArray) { this.X = colorArray[0]; this.Y = colorArray[1]; this.Z = colorArray[2]; return this; } toRGB() { this.XYZ2RGB(); return ([this.R,this.G,this.B]); } toXYZ() { this.RGB2XYZ(); return ([this.X,this.Y,this.Z]); } toxyz() { return ([this.x,this.y,this.z]); } _xyYtoRGB(arr) { var x = arr[0]; var y = arr[1]; var z = 1-x-y; var Y = arr[2]; this.Y = 100 * Y; this.X = 100 *x * Y / y; this.Z = 100* z * Y / y; this.XYZ2RGB(); return [this.R, this.G, this.B]; } _RGBtoxyY(rgb) { this.r = rgb.r; this.g = rgb.g; this.b = rgb.b; this.RGB2XYZ(); return {x:this.x,y:this.y,Y:this.Y}; } getSpectrumValues(wl) { var specArray = [ [0.0014, 0.0000, 0.0065], [0.0022, 0.0001, 0.0105], [0.0042, 0.0001, 0.0201], [0.0076, 0.0002, 0.0362], [0.0143, 0.0004, 0.0679], [0.0232, 0.0006, 0.1102], [0.0435, 0.0012, 0.2074], [0.0776, 0.0022, 0.3713], [0.1344, 0.0040, 0.6456], [0.2148, 0.0073, 1.0391], [0.2839, 0.0116, 1.3856], [0.3285, 0.0168, 1.6230], [0.3483, 0.0230, 1.7471], [0.3481, 0.0298, 1.7826], [0.3362, 0.0380, 1.7721], [0.3187, 0.0480, 1.7441], [0.2908, 0.0600, 1.6692], [0.2511, 0.0739, 1.5281], [0.1954, 0.0910, 1.2876], [0.1421, 0.1126, 1.0419], [0.0956, 0.1390, 0.8130], [0.0580, 0.1693, 0.6162], [0.0320, 0.2080, 0.4652], [0.0147, 0.2586, 0.3533], [0.0049, 0.3230, 0.2720], [0.0024, 0.4073, 0.2123], [0.0093, 0.5030, 0.1582], [0.0291, 0.6082, 0.1117], [0.0633, 0.7100, 0.0782], [0.1096, 0.7932, 0.0573], [0.1655, 0.8620, 0.0422], [0.2257, 0.9149, 0.0298], [0.2904, 0.9540, 0.0203], [0.3597, 0.9803, 0.0134], [0.4334, 0.9950, 0.0087], [0.5121, 1.0000, 0.0057], [0.5945, 0.9950, 0.0039], [0.6784, 0.9786, 0.0027], [0.7621, 0.9520, 0.0021], [0.8425, 0.9154, 0.0018], [0.9163, 0.8700, 0.0017], [0.9786, 0.8163, 0.0014], [1.0263, 0.7570, 0.0011], [1.0567, 0.6949, 0.0010], [1.0622, 0.6310, 0.0008], [1.0456, 0.5668, 0.0006], [1.0026, 0.5030, 0.0003], [0.9384, 0.4412, 0.0002], [0.8544, 0.3810, 0.0002], [0.7514, 0.3210, 0.0001], [0.6424, 0.2650, 0.0000], [0.5419, 0.2170, 0.0000], [0.4479, 0.1750, 0.0000], [0.3608, 0.1382, 0.0000], [0.2835, 0.1070, 0.0000], [0.2187, 0.0816, 0.0000], [0.1649, 0.0610, 0.0000], [0.1212, 0.0446, 0.0000], [0.0874, 0.0320, 0.0000], [0.0636, 0.0232, 0.0000], [0.0468, 0.0170, 0.0000], [0.0329, 0.0119, 0.0000], [0.0227, 0.0082, 0.0000], [0.0158, 0.0057, 0.0000], [0.0114, 0.0041, 0.0000], [0.0081, 0.0029, 0.0000], [0.0058, 0.0021, 0.0000], [0.0041, 0.0015, 0.0000], [0.0029, 0.0010, 0.0000], [0.0020, 0.0007, 0.0000], [0.0014, 0.0005, 0.0000], [0.0010, 0.0004, 0.0000], [0.0007, 0.0002, 0.0000], [0.0005, 0.0002, 0.0000], [0.0003, 0.0001, 0.0000], [0.0002, 0.0001, 0.0000], [0.0002, 0.0001, 0.0000], [0.0001, 0.0000, 0.0000], [0.0001, 0.0000, 0.0000], [0.0001, 0.0000, 0.0000], [0.0000, 0.0000, 0.0000] ] var index = (wl-380) / 5; return specArray[index]; } }31:Ta87,/* * color-blind * https://github.com/skratchdot/color-blind * * This source was copied from http://mudcu.be/sphere/js/Color.Blind.js * * It contains modifications for use in node.js. * * The original copyright is included below. * * Copyright (c) 2014 skratchdot * Licensed under the MIT license. */ function blind(rgb, type, anomalize) { var z, v, n, line, c, slope, yi, dx, dy, dX, dY, dZ, dR, dG, dB, _r, _g, _b, ngx, ngz, M, adjust; if (type === "achroma") { // D65 in sRGB z = rgb.R * 0.212656 + rgb.G * 0.715158 + rgb.B * 0.072186; z = {R: z, G: z, B: z}; if (anomalize) { v = 1.75; n = v + 1; z.R = (v * z.R + rgb.R) / n; z.G = (v * z.G + rgb.G) / n; z.B = (v * z.B + rgb.B) / n; } return z; } line = blinder[type]; c = convertXyzToXyy(convertRgbToXyz(rgb)); // The confusion line is between the source color and the confusion point slope = (c.y - line.y) / (c.x - line.x); yi = c.y - c.x * slope; // slope, and y-intercept (at x=0) // Find the change in the x and y dimensions (no Y change) dx = (line.yi - yi) / (slope - line.m); dy = (slope * dx) + yi; dY = 0; // Find the simulated colors XYZ coords z = {}; z.X = dx * c.Y / dy; z.Y = c.Y; z.Z = (1 - (dx + dy)) * c.Y / dy; // Calculate difference between sim color and neutral color ngx = 0.312713 * c.Y / 0.329016; // find neutral grey using D65 white-point ngz = 0.358271 * c.Y / 0.329016; dX = ngx - z.X; dZ = ngz - z.Z; // find out how much to shift sim color toward neutral to fit in RGB space M = matrixXyzRgb; dR = dX * M[0] + dY * M[3] + dZ * M[6]; // convert d to linear RGB dG = dX * M[1] + dY * M[4] + dZ * M[7]; dB = dX * M[2] + dY * M[5] + dZ * M[8]; z.R = z.X * M[0] + z.Y * M[3] + z.Z * M[6]; // convert z to linear RGB z.G = z.X * M[1] + z.Y * M[4] + z.Z * M[7]; z.B = z.X * M[2] + z.Y * M[5] + z.Z * M[8]; _r = ((z.R < 0 ? 0 : 1) - z.R) / dR; _g = ((z.G < 0 ? 0 : 1) - z.G) / dG; _b = ((z.B < 0 ? 0 : 1) - z.B) / dB; _r = (_r > 1 || _r < 0) ? 0 : _r; _g = (_g > 1 || _g < 0) ? 0 : _g; _b = (_b > 1 || _b < 0) ? 0 : _b; adjust = _r > _g ? _r : _g; if (_b > adjust) { adjust = _b; } // shift proportionally... z.R += adjust * dR; z.G += adjust * dG; z.B += adjust * dB; // apply gamma and clamp simulated color... z.R = 255 * (z.R <= 0 ? 0 : z.R >= 1 ? 1 : Math.pow(z.R, 1 / gammaCorrection)); z.G = 255 * (z.G <= 0 ? 0 : z.G >= 1 ? 1 : Math.pow(z.G, 1 / gammaCorrection)); z.B = 255 * (z.B <= 0 ? 0 : z.B >= 1 ? 1 : Math.pow(z.B, 1 / gammaCorrection)); // if (anomalize) { v = 1.75; n = v + 1; z.R = (v * z.R + rgb.R) / n; z.G = (v * z.G + rgb.G) / n; z.B = (v * z.B + rgb.B) / n; } // return z; }; 32:T8d7,spectrumXYZCoordinates = [ [0.0014, 0.0000, 0.0065], [0.0022, 0.0001, 0.0105], [0.0042, 0.0001, 0.0201], [0.0076, 0.0002, 0.0362], [0.0143, 0.0004, 0.0679], [0.0232, 0.0006, 0.1102], [0.0435, 0.0012, 0.2074], [0.0776, 0.0022, 0.3713], [0.1344, 0.0040, 0.6456], [0.2148, 0.0073, 1.0391], [0.2839, 0.0116, 1.3856], [0.3285, 0.0168, 1.6230], [0.3483, 0.0230, 1.7471], [0.3481, 0.0298, 1.7826], [0.3362, 0.0380, 1.7721], [0.3187, 0.0480, 1.7441], [0.2908, 0.0600, 1.6692], [0.2511, 0.0739, 1.5281], [0.1954, 0.0910, 1.2876], [0.1421, 0.1126, 1.0419], [0.0956, 0.1390, 0.8130], [0.0580, 0.1693, 0.6162], [0.0320, 0.2080, 0.4652], [0.0147, 0.2586, 0.3533], [0.0049, 0.3230, 0.2720], [0.0024, 0.4073, 0.2123], [0.0093, 0.5030, 0.1582], [0.0291, 0.6082, 0.1117], [0.0633, 0.7100, 0.0782], [0.1096, 0.7932, 0.0573], [0.1655, 0.8620, 0.0422], [0.2257, 0.9149, 0.0298], [0.2904, 0.9540, 0.0203], [0.3597, 0.9803, 0.0134], [0.4334, 0.9950, 0.0087], [0.5121, 1.0000, 0.0057], [0.5945, 0.9950, 0.0039], [0.6784, 0.9786, 0.0027], [0.7621, 0.9520, 0.0021], [0.8425, 0.9154, 0.0018], [0.9163, 0.8700, 0.0017], [0.9786, 0.8163, 0.0014], [1.0263, 0.7570, 0.0011], [1.0567, 0.6949, 0.0010], [1.0622, 0.6310, 0.0008], [1.0456, 0.5668, 0.0006], [1.0026, 0.5030, 0.0003], [0.9384, 0.4412, 0.0002], [0.8544, 0.3810, 0.0002], [0.7514, 0.3210, 0.0001], [0.6424, 0.2650, 0.0000], [0.5419, 0.2170, 0.0000], [0.4479, 0.1750, 0.0000], [0.3608, 0.1382, 0.0000], [0.2835, 0.1070, 0.0000], [0.2187, 0.0816, 0.0000], [0.1649, 0.0610, 0.0000], [0.1212, 0.0446, 0.0000], [0.0874, 0.0320, 0.0000], [0.0636, 0.0232, 0.0000], [0.0468, 0.0170, 0.0000], [0.0329, 0.0119, 0.0000], [0.0227, 0.0082, 0.0000], [0.0158, 0.0057, 0.0000], [0.0114, 0.0041, 0.0000], [0.0081, 0.0029, 0.0000], [0.0058, 0.0021, 0.0000], [0.0041, 0.0015, 0.0000], [0.0029, 0.0010, 0.0000], [0.0020, 0.0007, 0.0000], [0.0014, 0.0005, 0.0000], [0.0010, 0.0004, 0.0000], [0.0007, 0.0002, 0.0000], [0.0005, 0.0002, 0.0000], [0.0003, 0.0001, 0.0000], [0.0002, 0.0001, 0.0000], [0.0002, 0.0001, 0.0000] ] 33:[] 2e:{"title":"Color utils","cells":[{"id":0,"value":"md`# Color utils`","pinned":true,"hidden":false,"mode":"ojs"},{"id":61,"value":"/* Exported items\n colorConverter : class that facilitates color conversion between reference systems\n blind: converts a color into the color seen bi a color blind person\n changeConfusionFocus\n getConfusuinFocus\n getDaltonicLine\n getSpectrumCoordinates\n convertRgbToXyz\n convertXyzToXyy\n convertXYZtoRGB\n */\n ","pinned":true,"hidden":false,"mode":"ojs"},{"id":58,"value":"colorConverter = _colorConverter","pinned":true,"hidden":false,"mode":"ojs"},{"id":47,"value":"$30","pinned":true,"hidden":false,"mode":"ojs"},{"id":49,"value":"function changeConfusionFocus(point) {\n\n\tblinder[defaultColorBlindType].x = point.x;\n\tblinder[defaultColorBlindType].y = point.y;\n\n}\n","pinned":true,"hidden":false,"mode":"ojs"},{"id":51,"value":"\n\nfunction getConfusionFocus() {\n\tvar point = {\n\t\t\"x\": \tblinder[defaultColorBlindType].x,\n\t\t\"y\": \tblinder[defaultColorBlindType].y,\n\t}\n\n\treturn point;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":43,"value":"function getDaltonicLine() {\n\tvar params = {\n\t\t\"m\": \tblinder[defaultColorBlindType].m,\n\t\t\"yi\": \tblinder[defaultColorBlindType].yi,\n\t}\n\n\treturn params;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":24,"value":"gammaCorrection = 2.2;","pinned":true,"hidden":false,"mode":"ojs"},{"id":32,"value":"colorProfile = 'sRGB';","pinned":true,"hidden":false,"mode":"ojs"},{"id":45,"value":"defaultColorBlindType = \"deutan\";","pinned":true,"hidden":false,"mode":"ojs"},{"id":34,"value":"matrixXyzRgb = [\n\t3.240712470389558, -0.969259258688888, 0.05563600315398933,\n\t-1.5372626602963142, 1.875996969313966, -0.2039948802843549,\n\t-0.49857440415943116, 0.041556132211625726, 1.0570636917433989\n];\n","pinned":true,"hidden":false,"mode":"ojs"},{"id":35,"value":"matrixRgbXyz = [\n\t0.41242371206635076, 0.21265606784927693, 0.019331987577444885,\n\t0.3575793401363035, 0.715157818248362, 0.11919267420354762,\n\t0.1804662232369621, 0.0721864539171564, 0.9504491124870351\n];","pinned":true,"hidden":false,"mode":"ojs"},{"id":30,"value":"function convertRgbToXyz(o) {\n\tvar M = matrixRgbXyz;\n\tvar z = {};\n\tvar R = o.R / 255;\n\tvar G = o.G / 255;\n\tvar B = o.B / 255;\n\tif (colorProfile === 'sRGB') {\n\t\tR = (R > 0.04045) ? Math.pow(((R + 0.055) / 1.055), 2.4) : R / 12.92;\n\t\tG = (G > 0.04045) ? Math.pow(((G + 0.055) / 1.055), 2.4) : G / 12.92;\n\t\tB = (B > 0.04045) ? Math.pow(((B + 0.055) / 1.055), 2.4) : B / 12.92;\n\t} else {\n\t\tR = Math.pow(R, gammaCorrection);\n\t\tG = Math.pow(G, gammaCorrection);\n\t\tB = Math.pow(B, gammaCorrection);\n\t}\n\tz.X = R * M[0] + G * M[3] + B * M[6];\n\tz.Y = R * M[1] + G * M[4] + B * M[7];\n\tz.Z = R * M[2] + G * M[5] + B * M[8];\n\treturn z;\n};","pinned":true,"hidden":false,"mode":"ojs"},{"id":54,"value":"function convertXYZtoRGB(XYZ) {\n\tvar M = matrixRgbXyz;\n\n\tvar X = XYZ.X;\n\tvar Y = XYZ.Y;\n\tvar Z = XYZ.Z;\n\n\tvar R = X * M[0] + Y * M[3] + Z * M[6];\n\tvar G = X * M[1] + Y * M[4] + Z * M[7];\n\tvar B = X * M[2] + Y * M[5] + Z * M[8];\n\n\tR = R > 0.0031308 ? 1.055 * ( Math.pow( R , 1 / 2.4 ) ) - 0.055 : 12.92 * R;\n\tG = G > 0.0031308 ? 1.055 * ( Math.pow( G , 1 / 2.4 ) ) - 0.055 : 12.92 * G;\n\tB = B > 0.0031308 ? 1.055 * ( Math.pow( B , 1 / 2.4 ) ) - 0.055 : 12.92 * B;\n\t\n\tvar RGB = {\n\t\tR : R * 255,\n\t\tG : G * 255,\n\t\tB : B * 255\n\t}\n\n\treturn RGB;\n};\n","pinned":true,"hidden":false,"mode":"ojs"},{"id":28,"value":"function convertXyzToXyy(o) {\n\tvar n = o.X + o.Y + o.Z;\n\tif (n === 0) {\n\t\treturn {x: 0, y: 0, Y: o.Y};\n\t}\n\treturn {x: o.X / n, y: o.Y / n, Y: o.Y};\n};","pinned":true,"hidden":false,"mode":"ojs"},{"id":26,"value":"blinder = ({\n\tprotan: {\n\t\tx: 0.7465,\n\t\ty: 0.2535,\n\t\tm: 1.273463,\n\t\tyi: -0.073894\n\t},\n\tdeutan: {\n\t\tx: 1.4,\n\t\ty: -0.4,\n\t\tm: 0.968437,\n\t\tyi: 0.003331\n\t},\n\ttritan: {\n\t\tx: 0.1748,\n\t\ty: 0,\n\t\tm: 0.062921,\n\t\tyi: 0.292119\n\t},\n\tcustom: {\n\t\tx: 0.735,\n\t\ty: 0.265,\n\t\tm: -1.059259,\n\t\tyi: 1.026914\n\t}\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":38,"value":"blind({R:255, G:255, B:0}, \"deutan\", false)","pinned":true,"hidden":false,"mode":"ojs"},{"id":22,"value":"$31","pinned":true,"hidden":false,"mode":"ojs"},{"id":12,"value":"function getSpectrumCoordinates() {\n\tvar xyYCordinates = _.map(spectrumXYZCoordinates, d=> { \n\t\tvar x = d[0]/(d[0]+d[1]+d[2]);\n\t\tvar y = d[1]/(d[0]+d[1]+d[2]);\n\t\tvar Y = d[1];\n\t\treturn {\"x\" : x, \"y\": y, \"Y\": Y }\n\t});\n\n\treturn _.slice(xyYCordinates, 0, 70)\n}\t","pinned":true,"hidden":false,"mode":"ojs"},{"id":71,"value":"\tfunction convertRGB2xyY(rgb) {\n\t\tvar cc = new colorConverter();\n\t\t\n\t\tvar xyY = cc._RGBtoxyY({r:rgb.r, g:rgb.g, b:rgb.b});\n\n\t\treturn { x:xyY.x, y:xyY.y, Y:xyY.Y }\n\n\t}","pinned":true,"hidden":false,"mode":"ojs"},{"id":73,"value":"function convertxyl2RGB(options) {\n\t\tvar x = options.x;\n\t\tvar y = options.y;\n\t\tvar l = options.l;\n\n\t\tvar cc = new colorConverter();\n\t\t\n\t\tvar rawRGB = cc._xyYtoRGB([x,y,l]) \n\n\t\tif (rawRGB[0] >= 0 && rawRGB[1] >= 0 && rawRGB[2] >= 0) {\n\n\t\t\trawRGB[0] = rawRGB[0] < 255 ? rawRGB[0] : 255;\n\t\t\trawRGB[1] = rawRGB[1] < 255 ? rawRGB[1] : 255;\n\t\t\trawRGB[2] = rawRGB[2] < 255 ? rawRGB[2] : 255;\n\n\n\t\t\tvar tmp_rgb = d3.rgb(rawRGB[0],rawRGB[1],rawRGB[2]);\n\t\t\tvar tmp_hsl = d3.hsl(tmp_rgb);\n\t\t\tvar hslColor = d3.hsl(tmp_hsl.h, tmp_hsl.s, 0.5);\n\n\t\t\t//var rgb = d3.rgb(hslColor)\n\t\t\tvar rgb = tmp_rgb;\n\n\t\t\tif (rgb.r > 255 || rgb.g >255 || rgb.b > 255) {\n\t\t\t\tconsole.log(\"ANOMALY\", rgb);\n\t\t\t}\n\n\t\t\treturn {r:rgb.r, g:rgb.g, b:rgb.b}\n\t\t} else {\n\t\t\treturn null\n\t\t}\n\n\t}","pinned":true,"hidden":false,"mode":"ojs"},{"id":96,"value":"function convertxyl2RGBXtended(options) {\n\t\tvar x = options.x;\n\t\tvar y = options.y;\n\t\tvar l = options.l;\n\n\t\tvar cc = new colorConverter();\n\t\t\n\t\tvar rawRGB = cc._xyYtoRGB([x,y,l]) \n\n\t\tif (rawRGB[0] >= 0 && rawRGB[1] >= 0 && rawRGB[2] >= 0) {\n\n\t\t\trawRGB[0] = rawRGB[0] < 255 ? rawRGB[0] : 255;\n\t\t\trawRGB[1] = rawRGB[1] < 255 ? rawRGB[1] : 255;\n\t\t\trawRGB[2] = rawRGB[2] < 255 ? rawRGB[2] : 255;\n\n\n\t\t\tvar tmp_rgb = d3.rgb(rawRGB[0],rawRGB[1],rawRGB[2]);\n\t\t\tvar tmp_hsl = d3.hsl(tmp_rgb);\n\t\t\tvar hslColor = d3.hsl(tmp_hsl.h, tmp_hsl.s, 0.5);\n\n\t\t\t//var rgb = d3.rgb(hslColor)\n\t\t\tvar rgb = tmp_rgb;\n\n\t\t\tif (rgb.r > 255 || rgb.g >255 || rgb.b > 255) {\n\t\t\t\tconsole.log(\"ANOMALY\", rgb);\n\t\t\t}\n\n\t\t\treturn {r:rgb.r, g:rgb.g, b:rgb.b}\n\t\t} else {\n\t\t\treturn null\n\t\t}\n\n\t}","pinned":true,"hidden":false,"mode":"ojs"},{"id":99,"value":"convertRGB2xyY({r:255, g:255, b:255})","pinned":true,"hidden":false,"mode":"ojs"},{"id":77,"value":"rgbTriangleSides = {\n const red_xy =convertRGB2xyY({r:255, g:0, b:0});\n const green_xy =convertRGB2xyY({r:0, g:255, b:0});\n const blue_xy = convertRGB2xyY({r:0, g:0, b:255});\n \n const br_m = (red_xy.y - blue_xy.y) / (red_xy.x - blue_xy.x);\n const br_yi = red_xy.y - br_m*red_xy.x;\n \n const bg_m = (green_xy.y - blue_xy.y) / (green_xy.x - blue_xy.x);\n const bg_yi = green_xy.y - bg_m*green_xy.x;\n \n \n const rg_m = (green_xy.y - red_xy.y) / (green_xy.x - red_xy.x);\n const rg_yi = green_xy.y - rg_m*green_xy.x;\n \n return {\n br : {m: br_m, yi: br_yi},\n bg : {m: bg_m, yi: bg_yi}, \n rg : {m: rg_m, yi: rg_yi},\n red_xy : red_xy,\n green_xy : green_xy,\n blue_xy : blue_xy\n }\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":79,"value":"function estimateY(x,y) {\n const cc = new colorConverter()\n \n let Y = 0.01;\n \n function validate(arr) {\n return arr[0] <= 255 && arr[1] <= 255 && arr[2] <= 255\n }\n \n let RGB = [0,0,0]\n let prevY = Y;\n do {\n prevY = Y;\n Y = Y+0.01;\n RGB = cc._xyYtoRGB([x, y, Y])\n }\n while (validate(RGB));\n \n return prevY\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":81,"value":" function sign (p1, p2, p3)\n {\n return (p1.x - p3.x) * (p2.y - p3.y) - (p2.x - p3.x) * (p1.y - p3.y);\n }","pinned":true,"hidden":false,"mode":"ojs"},{"id":83,"value":"function insideRGBTriangle(point) {\n let d1, d2, d3;\n let has_neg, has_pos;\n\n d1 = sign(point, rgbTriangleSides.red_xy, rgbTriangleSides.green_xy);\n d2 = sign(point, rgbTriangleSides.green_xy, rgbTriangleSides.blue_xy);\n d3 = sign(point, rgbTriangleSides.blue_xy, rgbTriangleSides.red_xy);\n\n has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0);\n has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0);\n\n return !(has_neg && has_pos);\n\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":85,"value":"function insideBGLine(point) {\n return insideRGBTriangle && sign(point, rgbTriangleSides.green_xy, rgbTriangleSides.blue_xy) > 0\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":86,"value":"function insideRGLine(point) {\n return sign(point, rgbTriangleSides.green_xy, rgbTriangleSides.red_xy) < 0\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":93,"value":"function RGBCoords() {\n\t\tvar rX = 0.4124, rY = 0.2126, rZ = 0.0193,\n\t\t\tgX = 0.3576, gY = 0.7152, gZ = 0.1192,\n\t\t\tbX = 0.1805, bY = 0.0722, bZ = 0.9505\n\t\t\n\t\tvar rx = rX / (rX + rY + rZ),\n\t\t\try = rY / (rX + rY + rZ),\n\t\t\tgx = gX / (gX + gY + gZ),\n\t\t\tgy = gY / (gX + gY + gZ),\t\t\t\n\t\t\tbx = bX / (bX + bY + bZ),\n\t\t\tby = bY / (bX + bY + bZ)\n\n\n\n\t\treturn [[rx,ry], [gx,gy], [bx,by]]\n\t}","pinned":true,"hidden":false,"mode":"ojs"},{"id":10,"value":"$32","pinned":false,"hidden":false,"mode":"ojs"},{"id":75,"value":"d3 = require(\"d3\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":14,"value":"_ = require(\"lodash\")","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W33","stdlib":"1","titling":"auto"}