> I just begin to learn TCL and I try to open a tcl file, but it said" %can't > find package vtk". You have to add every Wrapping/Tcl/* directory into your TCLLIBPATH, such as /path/to/vtk/Wrapping/Tcl/vtkCommon /path/to/vtk/Wrapping/Tcl/vtkGraphics , etc Nate