public String aoiToCartesianString() throws NoninvertibleTransformException {
Dimension size = getSize();
Point2D.Double lu = awtScreen2Cartesian(new Point(0, 0));
Point2D.Double br = awtScreen2Cartesian(new Point(size.width, size.height));
return "Area of interest in cartesian:\n"
+ "\tleft up corner: "
+ lu.toString()
+ "\n"
+ "\tright bottom corner"
+ br.toString();
}
