[Paraview] Error importing numpy [Windows]

[DParker at chromalloy.com]

I finally got back around to this problem and was able to correct the 
issue. The primary issue seemed to be that I was trying to import 32-bit 
numpy into a 64-bit Python interpreter installed with 64-bit Paraview. A 
secondary issue was a lack of understanding of how to use PYTHONPATH. 

I removed the 64-bit version of Paraview, and installed the 32-bit 
version. I then added a 'numpy.pth' file to the Paraview Python 
site-packages folder with the path to my previously installed Python 
site-packages folder (with numpy module). Now I can use numpy and the 
Python calculator and programmable filter!

David Parker 
Chromalloy - TDAG



From:   Dave Partyka <dave.partyka at kitware.com>
To:     DParker at chromalloy.com
Cc:     paraview at paraview.org
Date:   11/01/2010 06:31 AM
Subject:        Re: [Paraview] Error importing numpy [Windows]
Sent by:        paraview-bounces at paraview.org



That is a strange error. Usually it prints what library it had an issue 
with. That said, I am assuming you're numpy was built against lapack/blas 
or clapack? Are those dlls in your path as well?

On Fri, Oct 29, 2010 at 12:19 PM, <DParker at chromalloy.com> wrote:
I'm attempting to use an existing installation of numpy in Paraview on 
Windows. I installed Paraview from a binary installer onto Windows. 
Paraview installed it's own Python version without numpy. I tried 
appending the path to an existing numpy installation on the computer to 
the PYTHONPATH within the Paraview Python shell, but I cannot import numpy 
(see Python shell traceback): 

ImportError: DLL load failed: %1 is not a valid Win32 application. 

Both the Paraview and Windows Python versions are 2.6. Any ideas on how to 
proceed? 

David Parker 
Chromalloy - TDAG
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