[vtkusers] Importing Numarray object with vtkImageImport

[Mathieu Malaterre]

Bruno,

	Please go into:

  VTK / Wrapping / Python / vtk / util

And look for vtkImageImportFromArray.py

HTH
mathieu

Bruno wrote:
> Hi,
> 
> I'm trying to import a Numarray object passing it direct do
> vtkImageImport
> it is like:
> 
> import numarray
> a = numarray.array([...], 'type')
> i = vtkImageImport()
> ...
> i.CopyImportVoidPointer(a, size)
> 
> TypeError: argument 1 must be string or read-only buffer, not NumArray
> 
> I knowm that's possible to do it with Numeric python(and it was
> mentioned
> in this list as the 'Numeric trick' some months ago), but when I try
> with Numarray, that what happens. But if I do:
> 
> i.CopyImportVoidPointer(a._data, size)
> 
> it works!!! How can I do to direct pass the numarray object, whithout
> messing whith the protected methods (a._data)??? Do I have to change the
> 
> numarray implementation or the vtkImageImport.cxx class??
> 
> thank's...
> 
> Bruno Sousa Martin
> Centro de Pesquisas Renato Archer
> Campinas - Sao Paulo - Brasil
> 
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Mathieu Malaterre
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