[vtkusers] approach to overlay drawing on a 2D image
Alexis H. Rivera-Rios
ahrivera at yahoo.com
Sat Feb 26 15:13:33 EST 2005
I will appreciate if someone can tell me an approach
to do the following:
I want to visualize the output of an image processing
algorithm which detects objets on an image. After the
algorithm runs I want to draw the 2D gray scale input
image and colored circles around the detections.
Using vtkImageData, I'm able to draw the image. But I
don't know what to do about the circles.
I'd like to be able to add them as actors in the scene
so I can control their position.
I tried using the vtkImageCanvasSource2D, but I didn't
have any luck specifying the image.
Has anybody done something similar? Any ideas on how
to approach this problem?
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