Function y2rpx

src/traces/sunburst/plot.js:164–166

(y)

    // partition span ('y') to sector radial px value
    var maxY = Math.min(maxHeight, maxDepth);
    var y2rpx = function (y) {
        return ((y - yOffset) / maxY) * rMax;
    };
    // (radial px value, partition angle ('x'))  to px [x,y]
    var rx2px = function (r, x) {
        return [r * Math.cos(x), -r * Math.sin(x)];