Function groupScale

src/traces/pie/plot.js:1117–1167

(cdModule, scaleGroups)

}

function groupScale(cdModule, scaleGroups) {
    var cd0, i, trace;

    // scale those that are grouped
    for (var k = 0; k < scaleGroups.length; k++) {
        var min = Infinity;
        var g = scaleGroups[k];

        for (i = 0; i < cdModule.length; i++) {
            cd0 = cdModule[i][0];
            trace = cd0.trace;

            if (trace.scalegroup === g) {
                var area;
                if (trace.type === 'pie') {
                    area = cd0.r * cd0.r;
                } else if (trace.type === 'funnelarea') {
                    var rx, ry;

                    if (trace.aspectratio > 1) {
                        rx = cd0.r;
                        ry = rx / trace.aspectratio;
                    } else {
                        ry = cd0.r;
                        rx = ry * trace.aspectratio;
                    }

                    rx *= (1 + trace.baseratio) / 2;

                    area = rx * ry;
                }

                min = Math.min(min, area / cd0.vTotal);
            }
        }

        for (i = 0; i < cdModule.length; i++) {
            cd0 = cdModule[i][0];
            trace = cd0.trace;
            if (trace.scalegroup === g) {
                var v = min * cd0.vTotal;
                if (trace.type === 'funnelarea') {
                    v /= (1 + trace.baseratio) / 2;
                    v /= trace.aspectratio;
                }

                cd0.r = Math.sqrt(v);
            }
        }
    }
}

function setCoords(cd) {
    var cd0 = cd[0];