/*
 * Ben Postlethwaite
 * January 2013
 * License MIT
 */
'use strict';
let colorMap = new (function () {
    function createColormap(spec) {
        /*
         * Default Options
         */
        var indicies, fromrgba, torgba,
            nsteps, cmap, colormap, format,
            nshades, colors, alpha, i;

        if (!spec) spec = {};

        nshades = (spec.nshades || 72) - 1;
        format = spec.format || 'hex';

        colormap = spec.colormap;
        if (!colormap) colormap = 'jet';

        if (typeof colormap === 'string') {
            colormap = colormap.toLowerCase();
            if (!colorScale[colormap]) {
                throw Error(colormap + ' not a supported colorscale');
            }

            cmap = colorScale[colormap];

        } else if (Array.isArray(colormap)) {
            cmap = colormap.slice();

        } else {
            throw Error('unsupported colormap option', colormap);
        }

        if (cmap.length > nshades + 1) {
            throw new Error(
                colormap + ' map requires nshades to be at least size ' + cmap.length
            );
        }

        if (!Array.isArray(spec.alpha)) {

            if (typeof spec.alpha === 'number') {
                alpha = [spec.alpha, spec.alpha];

            } else {
                alpha = [1, 1];
            }

        } else if (spec.alpha.length !== 2) {
            alpha = [1, 1];

        } else {
            alpha = spec.alpha.slice();
        }

        // map index points from 0..1 to 0..n-1
        indicies = cmap.map(function (c) {
            return Math.round(c.index * nshades);
        });

        // Add alpha channel to the map
        alpha[0] = Math.min(Math.max(alpha[0], 0), 1);
        alpha[1] = Math.min(Math.max(alpha[1], 0), 1);

        var steps = cmap.map(function (c, i) {
            var index = cmap[i].index

            var rgba = cmap[i].rgb.slice();

            // if user supplies their own map use it
            if (rgba.length === 4 && rgba[3] >= 0 && rgba[3] <= 1) {
                return rgba
            }
            rgba[3] = alpha[0] + (alpha[1] - alpha[0]) * index;

            return rgba
        })


        /*
         * map increasing linear values between indicies to
         * linear steps in colorvalues
         */
        var colors = []
        for (i = 0; i < indicies.length - 1; ++i) {
            nsteps = indicies[i + 1] - indicies[i];
            fromrgba = steps[i];
            torgba = steps[i + 1];

            for (var j = 0; j < nsteps; j++) {
                var amt = j / nsteps
                colors.push([
                    Math.round(lerp(fromrgba[0], torgba[0], amt)),
                    Math.round(lerp(fromrgba[1], torgba[1], amt)),
                    Math.round(lerp(fromrgba[2], torgba[2], amt)),
                    lerp(fromrgba[3], torgba[3], amt)
                ])
            }
        }

        //add 1 step as last value
        colors.push(cmap[cmap.length - 1].rgb.concat(alpha[1]))

        if (format === 'hex') colors = colors.map(rgb2hex);
        else if (format === 'rgbaString') colors = colors.map(rgbaStr);
        else if (format === 'float') colors = colors.map(rgb2float);

        return colors;
    };

    function rgb2float(rgba) {
        return [
            rgba[0] / 255,
            rgba[1] / 255,
            rgba[2] / 255,
            rgba[3]
        ]
    }

    function rgb2hex(rgba) {
        var dig, hex = '#';
        for (var i = 0; i < 3; ++i) {
            dig = rgba[i];
            dig = dig.toString(16);
            hex += ('00' + dig).substr(dig.length);
        }
        return hex;
    }

    function rgbaStr(rgba) {
        return 'rgba(' + rgba.join(',') + ')';
    }

    function lerp(v0, v1, t) {
        return v0 * (1 - t) + v1 * t
    }
    let colorScale = {
        "jet": [{"index": 0, "rgb": [0, 0, 131]}, {"index": 0.125, "rgb": [0, 60, 170]}, {
            "index": 0.375,
            "rgb": [5, 255, 255]
        }, {"index": 0.625, "rgb": [255, 255, 0]}, {"index": 0.875, "rgb": [250, 0, 0]}, {
            "index": 1,
            "rgb": [128, 0, 0]
        }],

        "hsv": [{"index": 0, "rgb": [255, 0, 0]}, {"index": 0.169, "rgb": [253, 255, 2]}, {
            "index": 0.173,
            "rgb": [247, 255, 2]
        }, {"index": 0.337, "rgb": [0, 252, 4]}, {"index": 0.341, "rgb": [0, 252, 10]}, {
            "index": 0.506,
            "rgb": [1, 249, 255]
        }, {"index": 0.671, "rgb": [2, 0, 253]}, {"index": 0.675, "rgb": [8, 0, 253]}, {
            "index": 0.839,
            "rgb": [255, 0, 251]
        }, {"index": 0.843, "rgb": [255, 0, 245]}, {"index": 1, "rgb": [255, 0, 6]}],

        "hot": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 0.3, "rgb": [230, 0, 0]}, {
            "index": 0.6,
            "rgb": [255, 210, 0]
        }, {"index": 1, "rgb": [255, 255, 255]}],

        "cools": [{"index": 0, "rgb": [0, 255, 255]}, {"index": 1, "rgb": [255, 0, 255]}],

        "wwww": [
            {"index": 0, "rgb": [78, 255, 0]},
            {"index": 1, "rgb": [255, 56, 56]}],
        "wwww2": [
            {"index": 0, "rgb": [0, 0, 255]},
            {"index": 0.3225, "rgb": [0, 153, 255]},
            {"index": 0.3871, "rgb": [0, 255, 255]},
            {"index": 0.4516, "rgb": [0, 255, 140]},
            {"index": 0.5161, "rgb": [0, 255, 76]},
            {"index": 0.5806, "rgb": [0, 255, 0]},
            {"index": 0.6451, "rgb": [104, 255, 0]},
            {"index": 0.71, "rgb": [255, 255, 0]},
            {"index": 0.774, "rgb": [255, 204, 0]},
            {"index": 0.84, "rgb": [255, 112, 0]},
            {"index": 1, "rgb": [255, 0, 0]}
        ],

        "spring": [{"index": 0, "rgb": [255, 0, 255]}, {"index": 1, "rgb": [255, 255, 0]}],

        "summer": [{"index": 0, "rgb": [0, 128, 102]}, {"index": 1, "rgb": [255, 255, 102]}],

        "autumn": [{"index": 0, "rgb": [255, 0, 0]}, {"index": 1, "rgb": [255, 255, 0]}],

        "winter": [{"index": 0, "rgb": [0, 0, 255]}, {"index": 1, "rgb": [0, 255, 128]}],

        "bone": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 0.376, "rgb": [84, 84, 116]}, {
            "index": 0.753,
            "rgb": [169, 200, 200]
        }, {"index": 1, "rgb": [255, 255, 255]}],

        "copper": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 0.804, "rgb": [255, 160, 102]}, {
            "index": 1,
            "rgb": [255, 199, 127]
        }],

        "greys": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 1, "rgb": [255, 255, 255]}],

        "yignbu": [{"index": 0, "rgb": [8, 29, 88]}, {"index": 0.125, "rgb": [37, 52, 148]}, {
            "index": 0.25,
            "rgb": [34, 94, 168]
        }, {"index": 0.375, "rgb": [29, 145, 192]}, {"index": 0.5, "rgb": [65, 182, 196]}, {
            "index": 0.625,
            "rgb": [127, 205, 187]
        }, {"index": 0.75, "rgb": [199, 233, 180]}, {"index": 0.875, "rgb": [237, 248, 217]}, {
            "index": 1,
            "rgb": [255, 255, 217]
        }],

        "greens": [{"index": 0, "rgb": [0, 68, 27]}, {"index": 0.125, "rgb": [0, 109, 44]}, {
            "index": 0.25,
            "rgb": [35, 139, 69]
        }, {"index": 0.375, "rgb": [65, 171, 93]}, {"index": 0.5, "rgb": [116, 196, 118]}, {
            "index": 0.625,
            "rgb": [161, 217, 155]
        }, {"index": 0.75, "rgb": [199, 233, 192]}, {"index": 0.875, "rgb": [229, 245, 224]}, {
            "index": 1,
            "rgb": [247, 252, 245]
        }],

        "yiorrd": [{"index": 0, "rgb": [128, 0, 38]}, {"index": 0.125, "rgb": [189, 0, 38]}, {
            "index": 0.25,
            "rgb": [227, 26, 28]
        }, {"index": 0.375, "rgb": [252, 78, 42]}, {"index": 0.5, "rgb": [253, 141, 60]}, {
            "index": 0.625,
            "rgb": [254, 178, 76]
        }, {"index": 0.75, "rgb": [254, 217, 118]}, {"index": 0.875, "rgb": [255, 237, 160]}, {
            "index": 1,
            "rgb": [255, 255, 204]
        }],

        "bluered": [{"index": 0, "rgb": [0, 0, 255]}, {"index": 1, "rgb": [255, 0, 0]}],

        "rdbu": [{"index": 0, "rgb": [5, 10, 172]}, {"index": 0.35, "rgb": [106, 137, 247]}, {
            "index": 0.5,
            "rgb": [190, 190, 190]
        }, {"index": 0.6, "rgb": [220, 170, 132]}, {"index": 0.7, "rgb": [230, 145, 90]}, {
            "index": 1,
            "rgb": [178, 10, 28]
        }],

        "picnic": [{"index": 0, "rgb": [0, 0, 255]}, {"index": 0.1, "rgb": [51, 153, 255]}, {
            "index": 0.2,
            "rgb": [102, 204, 255]
        }, {"index": 0.3, "rgb": [153, 204, 255]}, {"index": 0.4, "rgb": [204, 204, 255]}, {
            "index": 0.5,
            "rgb": [255, 255, 255]
        }, {"index": 0.6, "rgb": [255, 204, 255]}, {"index": 0.7, "rgb": [255, 153, 255]}, {
            "index": 0.8,
            "rgb": [255, 102, 204]
        }, {"index": 0.9, "rgb": [255, 102, 102]}, {"index": 1, "rgb": [255, 0, 0]}],

        "rainbow": [{"index": 0, "rgb": [150, 0, 90]}, {"index": 0.125, "rgb": [0, 0, 200]}, {
            "index": 0.25,
            "rgb": [0, 25, 255]
        }, {"index": 0.375, "rgb": [0, 152, 255]}, {"index": 0.5, "rgb": [44, 255, 150]}, {
            "index": 0.625,
            "rgb": [151, 255, 0]
        }, {"index": 0.75, "rgb": [255, 234, 0]}, {"index": 0.875, "rgb": [255, 111, 0]}, {
            "index": 1,
            "rgb": [255, 0, 0]
        }],

        "portland": [{"index": 0, "rgb": [12, 51, 131]}, {"index": 0.25, "rgb": [10, 136, 186]}, {
            "index": 0.5,
            "rgb": [242, 211, 56]
        }, {"index": 0.75, "rgb": [242, 143, 56]}, {"index": 1, "rgb": [217, 30, 30]}],

        "blackbody": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 0.2, "rgb": [230, 0, 0]}, {
            "index": 0.4,
            "rgb": [230, 210, 0]
        }, {"index": 0.7, "rgb": [255, 255, 255]}, {"index": 1, "rgb": [160, 200, 255]}],

        "earth": [{"index": 0, "rgb": [0, 0, 130]}, {"index": 0.1, "rgb": [0, 180, 180]}, {
            "index": 0.2,
            "rgb": [40, 210, 40]
        }, {"index": 0.4, "rgb": [230, 230, 50]}, {"index": 0.6, "rgb": [120, 70, 20]}, {
            "index": 1,
            "rgb": [255, 255, 255]
        }],

        "electric": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 0.15, "rgb": [30, 0, 100]}, {
            "index": 0.4,
            "rgb": [120, 0, 100]
        }, {"index": 0.6, "rgb": [160, 90, 0]}, {"index": 0.8, "rgb": [230, 200, 0]}, {
            "index": 1,
            "rgb": [255, 250, 220]
        }],

        "alpha": [{"index": 0, "rgb": [255, 255, 255, 0]}, {"index": 1, "rgb": [255, 255, 255, 1]}],

        "viridis": [{"index": 0, "rgb": [68, 1, 84]}, {"index": 0.13, "rgb": [71, 44, 122]}, {
            "index": 0.25,
            "rgb": [59, 81, 139]
        }, {"index": 0.38, "rgb": [44, 113, 142]}, {"index": 0.5, "rgb": [33, 144, 141]}, {
            "index": 0.63,
            "rgb": [39, 173, 129]
        }, {"index": 0.75, "rgb": [92, 200, 99]}, {"index": 0.88, "rgb": [170, 220, 50]}, {
            "index": 1,
            "rgb": [253, 231, 37]
        }],

        "inferno": [{"index": 0, "rgb": [0, 0, 4]}, {"index": 0.13, "rgb": [31, 12, 72]}, {
            "index": 0.25,
            "rgb": [85, 15, 109]
        }, {"index": 0.38, "rgb": [136, 34, 106]}, {"index": 0.5, "rgb": [186, 54, 85]}, {
            "index": 0.63,
            "rgb": [227, 89, 51]
        }, {"index": 0.75, "rgb": [249, 140, 10]}, {"index": 0.88, "rgb": [249, 201, 50]}, {
            "index": 1,
            "rgb": [252, 255, 164]
        }],

        "magma": [{"index": 0, "rgb": [0, 0, 4]}, {"index": 0.13, "rgb": [28, 16, 68]}, {
            "index": 0.25,
            "rgb": [79, 18, 123]
        }, {"index": 0.38, "rgb": [129, 37, 129]}, {"index": 0.5, "rgb": [181, 54, 122]}, {
            "index": 0.63,
            "rgb": [229, 80, 100]
        }, {"index": 0.75, "rgb": [251, 135, 97]}, {"index": 0.88, "rgb": [254, 194, 135]}, {
            "index": 1,
            "rgb": [252, 253, 191]
        }],

        "plasma": [{"index": 0, "rgb": [13, 8, 135]}, {"index": 0.13, "rgb": [75, 3, 161]}, {
            "index": 0.25,
            "rgb": [125, 3, 168]
        }, {"index": 0.38, "rgb": [168, 34, 150]}, {"index": 0.5, "rgb": [203, 70, 121]}, {
            "index": 0.63,
            "rgb": [229, 107, 93]
        }, {"index": 0.75, "rgb": [248, 148, 65]}, {"index": 0.88, "rgb": [253, 195, 40]}, {
            "index": 1,
            "rgb": [240, 249, 33]
        }],

        "warm": [{"index": 0, "rgb": [125, 0, 179]}, {"index": 0.13, "rgb": [172, 0, 187]}, {
            "index": 0.25,
            "rgb": [219, 0, 170]
        }, {"index": 0.38, "rgb": [255, 0, 130]}, {"index": 0.5, "rgb": [255, 63, 74]}, {
            "index": 0.63,
            "rgb": [255, 123, 0]
        }, {"index": 0.75, "rgb": [234, 176, 0]}, {"index": 0.88, "rgb": [190, 228, 0]}, {
            "index": 1,
            "rgb": [147, 255, 0]
        }],

        "cool": [{"index": 0, "rgb": [125, 0, 179]}, {"index": 0.13, "rgb": [116, 0, 218]}, {
            "index": 0.25,
            "rgb": [98, 74, 237]
        }, {"index": 0.38, "rgb": [68, 146, 231]}, {"index": 0.5, "rgb": [0, 204, 197]}, {
            "index": 0.63,
            "rgb": [0, 247, 146]
        }, {"index": 0.75, "rgb": [0, 255, 88]}, {"index": 0.88, "rgb": [40, 255, 8]}, {
            "index": 1,
            "rgb": [147, 255, 0]
        }],

        "rainbow-soft": [{"index": 0, "rgb": [125, 0, 179]}, {"index": 0.1, "rgb": [199, 0, 180]}, {
            "index": 0.2,
            "rgb": [255, 0, 121]
        }, {"index": 0.3, "rgb": [255, 108, 0]}, {"index": 0.4, "rgb": [222, 194, 0]}, {
            "index": 0.5,
            "rgb": [150, 255, 0]
        }, {"index": 0.6, "rgb": [0, 255, 55]}, {"index": 0.7, "rgb": [0, 246, 150]}, {
            "index": 0.8,
            "rgb": [50, 167, 222]
        }, {"index": 0.9, "rgb": [103, 51, 235]}, {"index": 1, "rgb": [124, 0, 186]}],

        "bathymetry": [{"index": 0, "rgb": [40, 26, 44]}, {"index": 0.13, "rgb": [59, 49, 90]}, {
            "index": 0.25,
            "rgb": [64, 76, 139]
        }, {"index": 0.38, "rgb": [63, 110, 151]}, {"index": 0.5, "rgb": [72, 142, 158]}, {
            "index": 0.63,
            "rgb": [85, 174, 163]
        }, {"index": 0.75, "rgb": [120, 206, 163]}, {"index": 0.88, "rgb": [187, 230, 172]}, {
            "index": 1,
            "rgb": [253, 254, 204]
        }],

        "cdom": [{"index": 0, "rgb": [47, 15, 62]}, {"index": 0.13, "rgb": [87, 23, 86]}, {
            "index": 0.25,
            "rgb": [130, 28, 99]
        }, {"index": 0.38, "rgb": [171, 41, 96]}, {"index": 0.5, "rgb": [206, 67, 86]}, {
            "index": 0.63,
            "rgb": [230, 106, 84]
        }, {"index": 0.75, "rgb": [242, 149, 103]}, {"index": 0.88, "rgb": [249, 193, 135]}, {
            "index": 1,
            "rgb": [254, 237, 176]
        }],

        "chlorophyll": [{"index": 0, "rgb": [18, 36, 20]}, {"index": 0.13, "rgb": [25, 63, 41]}, {
            "index": 0.25,
            "rgb": [24, 91, 59]
        }, {"index": 0.38, "rgb": [13, 119, 72]}, {"index": 0.5, "rgb": [18, 148, 80]}, {
            "index": 0.63,
            "rgb": [80, 173, 89]
        }, {"index": 0.75, "rgb": [132, 196, 122]}, {"index": 0.88, "rgb": [175, 221, 162]}, {
            "index": 1,
            "rgb": [215, 249, 208]
        }],

        "density": [{"index": 0, "rgb": [54, 14, 36]}, {"index": 0.13, "rgb": [89, 23, 80]}, {
            "index": 0.25,
            "rgb": [110, 45, 132]
        }, {"index": 0.38, "rgb": [120, 77, 178]}, {"index": 0.5, "rgb": [120, 113, 213]}, {
            "index": 0.63,
            "rgb": [115, 151, 228]
        }, {"index": 0.75, "rgb": [134, 185, 227]}, {"index": 0.88, "rgb": [177, 214, 227]}, {
            "index": 1,
            "rgb": [230, 241, 241]
        }],

        "freesurface-blue": [{"index": 0, "rgb": [30, 4, 110]}, {
            "index": 0.13,
            "rgb": [47, 14, 176]
        }, {"index": 0.25, "rgb": [41, 45, 236]}, {"index": 0.38, "rgb": [25, 99, 212]}, {
            "index": 0.5,
            "rgb": [68, 131, 200]
        }, {"index": 0.63, "rgb": [114, 156, 197]}, {"index": 0.75, "rgb": [157, 181, 203]}, {
            "index": 0.88,
            "rgb": [200, 208, 216]
        }, {"index": 1, "rgb": [241, 237, 236]}],

        "freesurface-red": [{"index": 0, "rgb": [60, 9, 18]}, {"index": 0.13, "rgb": [100, 17, 27]}, {
            "index": 0.25,
            "rgb": [142, 20, 29]
        }, {"index": 0.38, "rgb": [177, 43, 27]}, {"index": 0.5, "rgb": [192, 87, 63]}, {
            "index": 0.63,
            "rgb": [205, 125, 105]
        }, {"index": 0.75, "rgb": [216, 162, 148]}, {"index": 0.88, "rgb": [227, 199, 193]}, {
            "index": 1,
            "rgb": [241, 237, 236]
        }],

        "oxygen": [{"index": 0, "rgb": [64, 5, 5]}, {"index": 0.13, "rgb": [106, 6, 15]}, {
            "index": 0.25,
            "rgb": [144, 26, 7]
        }, {"index": 0.38, "rgb": [168, 64, 3]}, {"index": 0.5, "rgb": [188, 100, 4]}, {
            "index": 0.63,
            "rgb": [206, 136, 11]
        }, {"index": 0.75, "rgb": [220, 174, 25]}, {"index": 0.88, "rgb": [231, 215, 44]}, {
            "index": 1,
            "rgb": [248, 254, 105]
        }],

        "par": [{"index": 0, "rgb": [51, 20, 24]}, {"index": 0.13, "rgb": [90, 32, 35]}, {
            "index": 0.25,
            "rgb": [129, 44, 34]
        }, {"index": 0.38, "rgb": [159, 68, 25]}, {"index": 0.5, "rgb": [182, 99, 19]}, {
            "index": 0.63,
            "rgb": [199, 134, 22]
        }, {"index": 0.75, "rgb": [212, 171, 35]}, {"index": 0.88, "rgb": [221, 210, 54]}, {
            "index": 1,
            "rgb": [225, 253, 75]
        }],

        "phase": [{"index": 0, "rgb": [145, 105, 18]}, {"index": 0.13, "rgb": [184, 71, 38]}, {
            "index": 0.25,
            "rgb": [186, 58, 115]
        }, {"index": 0.38, "rgb": [160, 71, 185]}, {"index": 0.5, "rgb": [110, 97, 218]}, {
            "index": 0.63,
            "rgb": [50, 123, 164]
        }, {"index": 0.75, "rgb": [31, 131, 110]}, {"index": 0.88, "rgb": [77, 129, 34]}, {
            "index": 1,
            "rgb": [145, 105, 18]
        }],

        "salinity": [{"index": 0, "rgb": [42, 24, 108]}, {"index": 0.13, "rgb": [33, 50, 162]}, {
            "index": 0.25,
            "rgb": [15, 90, 145]
        }, {"index": 0.38, "rgb": [40, 118, 137]}, {"index": 0.5, "rgb": [59, 146, 135]}, {
            "index": 0.63,
            "rgb": [79, 175, 126]
        }, {"index": 0.75, "rgb": [120, 203, 104]}, {"index": 0.88, "rgb": [193, 221, 100]}, {
            "index": 1,
            "rgb": [253, 239, 154]
        }],

        "temperature": [{"index": 0, "rgb": [4, 35, 51]}, {"index": 0.13, "rgb": [23, 51, 122]}, {
            "index": 0.25,
            "rgb": [85, 59, 157]
        }, {"index": 0.38, "rgb": [129, 79, 143]}, {"index": 0.5, "rgb": [175, 95, 130]}, {
            "index": 0.63,
            "rgb": [222, 112, 101]
        }, {"index": 0.75, "rgb": [249, 146, 66]}, {"index": 0.88, "rgb": [249, 196, 65]}, {
            "index": 1,
            "rgb": [232, 250, 91]
        }],

        "turbidity": [{"index": 0, "rgb": [34, 31, 27]}, {"index": 0.13, "rgb": [65, 50, 41]}, {
            "index": 0.25,
            "rgb": [98, 69, 52]
        }, {"index": 0.38, "rgb": [131, 89, 57]}, {"index": 0.5, "rgb": [161, 112, 59]}, {
            "index": 0.63,
            "rgb": [185, 140, 66]
        }, {"index": 0.75, "rgb": [202, 174, 88]}, {"index": 0.88, "rgb": [216, 209, 126]}, {
            "index": 1,
            "rgb": [233, 246, 171]
        }],

        "velocity-blue": [{"index": 0, "rgb": [17, 32, 64]}, {"index": 0.13, "rgb": [35, 52, 116]}, {
            "index": 0.25,
            "rgb": [29, 81, 156]
        }, {"index": 0.38, "rgb": [31, 113, 162]}, {"index": 0.5, "rgb": [50, 144, 169]}, {
            "index": 0.63,
            "rgb": [87, 173, 176]
        }, {"index": 0.75, "rgb": [149, 196, 189]}, {"index": 0.88, "rgb": [203, 221, 211]}, {
            "index": 1,
            "rgb": [254, 251, 230]
        }],

        "velocity-green": [{"index": 0, "rgb": [23, 35, 19]}, {"index": 0.13, "rgb": [24, 64, 38]}, {
            "index": 0.25,
            "rgb": [11, 95, 45]
        }, {"index": 0.38, "rgb": [39, 123, 35]}, {"index": 0.5, "rgb": [95, 146, 12]}, {
            "index": 0.63,
            "rgb": [152, 165, 18]
        }, {"index": 0.75, "rgb": [201, 186, 69]}, {"index": 0.88, "rgb": [233, 216, 137]}, {
            "index": 1,
            "rgb": [255, 253, 205]
        }],

        "cubehelix": [{"index": 0, "rgb": [0, 0, 0]}, {"index": 0.07, "rgb": [22, 5, 59]}, {
            "index": 0.13,
            "rgb": [60, 4, 105]
        }, {"index": 0.2, "rgb": [109, 1, 135]}, {"index": 0.27, "rgb": [161, 0, 147]}, {
            "index": 0.33,
            "rgb": [210, 2, 142]
        }, {"index": 0.4, "rgb": [251, 11, 123]}, {"index": 0.47, "rgb": [255, 29, 97]}, {
            "index": 0.53,
            "rgb": [255, 54, 69]
        }, {"index": 0.6, "rgb": [255, 85, 46]}, {"index": 0.67, "rgb": [255, 120, 34]}, {
            "index": 0.73,
            "rgb": [255, 157, 37]
        }, {"index": 0.8, "rgb": [241, 191, 57]}, {"index": 0.87, "rgb": [224, 220, 93]}, {
            "index": 0.93,
            "rgb": [218, 241, 142]
        }, {"index": 1, "rgb": [227, 253, 198]}]
    }

    return {
        createColormap: createColormap
    }
})