Function used for generating treemap node color gradients

TreemapGradients.js

window.myfunc = function(p) {
    var sColor1, sColor2;
    var iDiff = p.maxValueSize - p.minValueSize;
    
    if (p.valueSize >= p.minValueSize && p.valueSize < p.minValueSize+iDiff/20) {
        sColor1 = colorFromValue(p.valueSize, p.minValueSize, p.minValueSize+iDiff/20, '#660000', '#cc0000');
        console.log(sColor1);
        sColor2 = '#330000';
    } else if (p.valueSize >= p.minValueSize+iDiff/20 && p.valueSize < p.minValueSize+2*iDiff/10) {
        sColor1 = colorFromValue(p.valueSize, p.minValueSize+iDiff/20, p.minValueSize+2*iDiff/10, '#666600', '#cccc00');
        sColor2 = '#333300';
    } else if (p.valueSize >= p.minValueSize+2*iDiff/10 && p.valueSize < p.minValueSize+7*iDiff/10) {
        sColor1 = colorFromValue(p.valueSize, p.minValueSize+2*iDiff/10, p.minValueSize+7*iDiff/10, '#006600', '#00cc00');
        sColor2 = '#003300';
    } else {
        sColor1 = colorFromValue(p.valueSize, p.minValueSize+7*iDiff/10, p.maxValueSize, '#000066', '#0000cc');
        sColor2 = '#000033';
    }
        
    var o = {
        backgroundColor : sColor1 + ' ' + sColor2,
        tooltip : {
            backgroundColor : sColor1
        }
    };
    
    return o;
}