Function transformOutsideText

src/traces/pie/plot.js:847–864

(textBB, pt)

}

function transformOutsideText(textBB, pt) {
    var x = pt.pxmid[0];
    var y = pt.pxmid[1];
    var dx = textBB.width / 2;
    var dy = textBB.height / 2;

    if (x < 0) dx *= -1;
    if (y < 0) dy *= -1;

    return {
        scale: 1,
        rCenter: 1,
        rotate: 0,
        x: dx + (Math.abs(dy) * (dx > 0 ? 1 : -1)) / 2,
        y: dy / (1 + (x * x) / (y * y)),
        outside: true
    };
}

function positionTitleInside(cd0) {
    var textDiameter = Math.sqrt(cd0.titleBox.width * cd0.titleBox.width + cd0.titleBox.height * cd0.titleBox.height);