[vtkusers] Problems with RedHat 7.3 and python

[Christian Pfaffel]

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Hi,

I have got the following problem. I have compiled and installed vtk on
redhat 7.3. Simple examples (e.g. cone.py) do work. The following code
snippet though produces an error:

python2 <<EOF
import Numeric
from vtkpython import *

bfield = vtkFloatArray()
bfield_data = Numeric.reshape((1), (1, 1))
bfield.SetVoidArray(bfield_data,1,0)

points = vtkPoints()
verts = vtkCellArray()
points.InsertNextPoint(0,0,0)
verts.InsertNextCell(1)
verts.InsertCellPoint(0)
    
torus = vtkPolyData()
torus.SetPoints(points)
torus.SetVerts(verts)
torus.GetPointData().SetScalars(bfield)
   
writer = vtkPolyDataWriter()
writer.SetFileName('testout.vtk')
writer.SetInput(torus)                    # <- Here it fails
writer.Write()                  
EOF

It fails with:
...
Traceback (most recent call last):
  File "<stdin>", line 21, in ?
ValueError: method requires a VTK object

execution of the same lines on redhat 7.2 produces the desired
testfile. I do not know what else to do.  I tried release 4.0, and cvs
from 20020925.

Help will be very much appreciated. 

Best regards and thanks in advance,

Christian Pfaffel

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