On Fri, 10 Oct 2003, Rene Brun wrote: >It is not clear if your question is related to basic graphics in the pad >or to the GUI. > >In attachement, you will find a script drawing triangles in a canvas >and showing some simple action when you click on one triangle. In your example one needs to click on the _outline_ of a triangle. Is there a way to easily extend that so that we can click on the _inside_ of the triangle (it's usually what we want). For the moment I calculate whether I'm inside or outside from the mouse position. That's easy enough for a square, but it can be useful to extend that to a closed TPolyline(3D) in general... Carlos
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