Hi, Well I can't help you, but the mapper works fine in 5.0.2 release. Works with vs2005 and Cbuilder 6 for me. Did you try with a simple console example? Regards, Michael -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20080828/2724e081/attachment.htm>