average = new Line(0, 0, 0, 0);
average.setStrokeWidth(pathWidth);
average.setStrokeColor(averageColor);
canvas.add(average);
minDot = new Circle(0, 0, 1);
minDot.setStrokeWidth(pathWidth);
minDot.setStrokeColor(minColor);
canvas.add(minDot);
maxDot = new Circle(0, 0, 1);
maxDot.setStrokeColor(maxColor);
canvas.add(maxDot);
endDot = new Circle(0, 0, 1);
endDot.setStrokeColor(valueColor);
canvas.add(endDot);
}