Hello everyone, If I have a 2D line in a renderwindow is there an easy way to find the x,y in display coordinates where the line intersects a given edge of the renderwindow? Beau -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20050713/eacc6fd2/attachment.htm>