[vtkusers] How to get image dimensions

[John Mosso]

Greetings!

I'm trying to get the dimension of a bmp file using vtkBMPReader. I'm using GetDataExtent but I only get a vector with zeros.
This is the code I'm using for:

bmpReader = vtkBMPReader::New();
bmpReader->SetFileName("C:\\MyFile.bmp");

int Extent[6];
bmpReader->GetDataExtent(Extent);

Thanks in advance
John Mosso.
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