[vtkusers] vtkTkRenderWidget fails when trying to locate vtkLoadPythonTkWidget.dll

[jeremiah newbie]

Hi all,

I'm new to the list and I'm having problems trying to install vtk 
on my windows 2000 machine.  So far I've sucessfully installed 
python 2.1 on my machine though their install program.  When 
trying to install vtk I followed this procedure:

1) I first ran vtk40Core.exe to install core libraries
2) I then ran vtk40Python.exe to install Python wrapper for vtk
3) I went to Les Schaffer's webpage and got his vtk4-python21-
dlls.zip package.  I unzipped it with its directory structure, 
allowing all the files to be placed properly.  However, 
originally, his package unzips all the .dll files in a "/vtk4" 
directory.  I moved all those .dll files into the "/vtk40" 
directory where the installation programs from steps 1 & 2 
originally installed the vtk library.
4) I edited my registery to add the path of the "/python21/vtk" 
and "/vtk40" directories to the PYTHONPATH environment variable.

My intention is to run MayaVi from its source, so I used 
their "test_vtk.py" script to test my installation of vtk.  It can 
import the vtk library and utilize it to render a scene.  However, 
when it tries to implement a scene using vtkRenderWidget the 
scripts exits with an error.  

After looking at the script, I can see that it fails when it calls 
the "vtkTkRenderWidget()" method, because that method fails to 
load the "vtkLoadPythonTkWidgets.dll" library.

I am completely boggled by this problem and have spent a good 
portion of the day trying to solve it.  From the installation 
information I've found on this newsgroup's archies i seem to be 
doing the right thing, so I don't know where to begin.  Any help 
would be appreciated.

Thanks in advance.

Jeremy

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