= 'rgba(100, 140, 230, 0.1)';
        context.fill();

        context.beginPath();
        drawDegreeOuterDial(polygonRotating);
        context.stroke();

        drawDegreeDialTicks(polygonRotating);
        drawDegreeTickDial(polygonRotating);
        drawDegreeAnnotations(polygonRotating);
    }

    function redraw() {
        context.clearRect(0, 0, canvas.width, canvas.height);
        drawGrid('lightgray', 10, 10);
        drawPolygons();
    }

    // Polygons......................................