[vtkusers] Add data to vtkImageData object

[salmon monviola]

Hi,

I'm newbie in VTK, so it's perhaps a basic question :

How add data to a cell to store them in a vtkImageData (and write it in 
a vti file)

// Create an image data
   vtkSmartPointer<vtkImageData> imageData =
     vtkSmartPointer<vtkImageData>::New();

   // Specify the size of the image data
   imageData->SetDimensions(2,3,1);

   int* dims = imageData->GetDimensions();

  for (int z = 0; z < dims[2]; z++)
     {
     for (int y = 0; y < dims[1]; y++)
       {
       for (int x = 0; x < dims[0]; x++)
         {
         // ???? _HOW TO ADD HERE DATA like a 2 D ARRAY TO THE CELL (or 
point) of x,y,z coordinates ????_
         }
       }
     }

     vtkSmartPointer<vtkXMLImageDataWriter> writer =
     vtkSmartPointer<vtkXMLImageDataWriter>::New();
     writer->SetFileName(outputFilename.c_str());
     writer->SetInput(imageData);
     writer->Write();


Thank you,

Jordy
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