Hi everyone: I want to visualize a object , use the mouse to kick one point of the object and get the position of the point. Wish for anyone to help me!! Thanks in advance!!!!! Longfei -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20040819/4b2ce46e/attachment.htm>