Function rx2px

src/traces/sunburst/plot.js:168–170

(r, x)

    };
    // (radial px value, partition angle ('x'))  to px [x,y]
    var rx2px = function (r, x) {
        return [r * Math.cos(x), -r * Math.sin(x)];
    };
    // slice path generation fn
    var pathSlice = function (d) {
        return Lib.pathAnnulus(d.rpx0, d.rpx1, d.x0, d.x1, cx, cy);