[vtkusers] raycasting problem

[Bill Lorensen]

Origin and spacing can be floats.

As for docs, you should have received an error message.

At 02:26 PM 12/8/02 -0200, rik.f wrote:
>> vtk volume rendering can only render unsigned short or unsigned char data. 
>>  
> 
>Thanks! 
>And the origin and spacing of the grid must also be integers. 
>Right? Where's all this in the docs or vtk book? 
> 
>Rikk 
>
> 
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