Majelika: groups

Showing posts with label groups. Show all posts

Showing posts with label groups. Show all posts

Tuesday, February 17, 2015

Tip Tree Map Example Display colors of groups based on condition

function f() {
    var colorScale;

    var cd = this.chartDefinition;
    cd.legend = false;

    cd.leaf_fillStyle = function(scene) {
        /*
        if(!colorScale) {
            colorScale = pv.ramp(red, blue);

            var extent = this.chart.data.dimensions(size).extent();
            if(extent)
                colorScale.domain(extent.min.value, extent.max.value);
        }
*/
        // Is colorScale created ?
    if(!colorScale) {
        colorScale = pv.Scale.linear().range("red", "black", "blue","#708090");

        var extent = this.chart.data.dimensions(size).extent();
        if(extent) {
            var min = extent.min.value;
            var b=500;
            var c=1000;
            var max = extent.max.value;

            //colorScale.domain(min, (min + max) / 2, max);
            colorScale.domain(min,b,c,max);
        }
        }

        var size = scene.getSize();
        return colorScale(size);
    };
}

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