[vtkusers] How do I get with/height from BMPReader?

Fri Apr 25 10:22:43 EDT 2003

Hi Ingo,

On Fri, 25 Apr 2003, De Boer Ingo wrote:

> 
> Hi,
> 
> > 	I don't think you could get a width/height from a bmp 
> > file, right ?
> > 	*BUT* an imagedata has a width/height !
> Tried that. But idim is {0,0,0} !
> 
> greets
>   Ingo
> 
> 
> // Read bitmap from file
> vtkBMPReader *pvtkBMPReader = vtkBMPReader::New();
> pvtkBMPReader->SetFileName(cStrFilename);

I'd put an update right here because vtk is demand driven:

pvtkBMPReader->Update();

> 
> int idim[3];
> pvtkBMPReader->GetOutput()->GetDimensions(idim);
> 
> // delete objects
> pvtkBMPReader->Delete();
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-chris