Page History

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ROI Type	Functionality	Parameters	Comments
Pixel	single pixel mask	position
Line	pixels along line	position1, position2	Q: width?
RectRectangle		position(T,L), size (W,H), rotation
Ellipse		position(center), size (W,H), rotation
Closed Poly-linePolyline		position[N-points]
Arche		3-points like in AMI2
Q: Circle?		position and radius	Q: subcase of Ellipse
Q: Square?		position, size, rotation	Q: subcase of Rectangle
Q: Polygone?			Q: subcase of Polyline
Q: Anything else?

Behavior

Q: how many handles per ROI - minimal or in each corner?

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select ROI type from GUI - draws default ROI - then move and re-shape it (like in ami2 or Chuck's app Psocake) - intuitive but needs more clicks...
select ROI type from GUI - then click and drag on image - less intuitive but less number of clicks (like in Power point, AutoCAD)

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