[vtkusers] converting java array to vtkimage data

[Sebastien Jourdain]

Red, not white ???

If so, it is just because you didn't set the proper lookuptable range that
should be linked to your mapper. (You might need to update scalar range on
the mapper too)

On Sun, Apr 25, 2010 at 3:18 PM, nikhil singhania <niksinghania at gmail.com>wrote:

> Sir,
> I am using Vtkimagedata and reading a java array.After rendering it in
> spite of viewing data its just viewing red slab of given dimension.
>          image = new vtkImageData();
>          image.SetExtent(0,499,0, 499,0, 49);
>          image.SetSpacing(0.33,0.33,1.0);
>          image.SetScalarTypeToChar();
>          image.SetNumberOfScalarComponents(0);
>          image.AllocateScalars();
>
>          array = image.GetPointData().GetScalars();
>
>          for(int iZ = 0; iZ < 50; iZ++){
>              for(int iY= 0; iY < 500; iY++){
>                  for(int iX = 0; iX < 500; iX++){
>                         array.InsertNextTuple1(arr[iZ][iY][iX]);
>                     }
>                }
>          }
>
> Please help.
>
> With regards,
> Nikhil
>
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