[vtkusers] VTK data structure to C-array

[Romain LEGUAY]

Hi everyone,

I try to convert all points of a vtkImageData to a C-array. 
My purpose is to use this array Inside OpenCL for example.

My method actually is to read all points of the vtkImageData using  vtkImageData::ComputePointId and vtkImageData ::GetPoint but this method is too slow.

I don’t find any documentation on this.

Thanks,

Romain

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