Function readPixel

src/traces/parcoords/lines.js:639–648

(canvasX, canvasY)

    }

    function readPixel(canvasX, canvasY) {
        regl.read({
            x: canvasX,
            y: canvasY,
            width: 1,
            height: 1,
            data: dataPixel
        });
        return dataPixel;
    }

    function readPixels(canvasX, canvasY, width, height) {
        var pixelArray = new Uint8Array(4 * width * height);