[vtkusers] Clarification needed for Volume Rendering using vtk

[puneet agrawal]

hi,
  Thanks for the suggestion i tried this but i need more quality
improvement.So, Is there anything i can do that will increase the
smoothness.any help like selective supersampling with vtk fixed point
raycast mapper.
Thanks


On Sat, Jun 6, 2009 at 4:42 PM, Kevin H. Hobbs<hobbsk at ohiou.edu> wrote:
> puneet agrawal wrote:
>>
>> hi all,
>> I am using VTK fixed ray cast Mapper for rendering my medical image
>> data.But I need to improve its quality.Can Anyone help me out on
>> this.Is there technique.What about supersampling.is vtk fixed raycast
>> mapper uses supersampling or is there any way we can use this
>> supersampling.
>> I also use VTKEdge fixed raycast mapper but it just gives me
>> performance improvement with no quality improvement.
>>
>> Thanks
>> puneet
>> _______________________________________________
>>
>
>
> I find it usefull to :
>   vol_mapper->SetImageSampleDistance( 0.25 );
>   vol_mapper->SetSampleDistance( pix_diag / 5.0 );
>
> and :
>
>   vol_prop->SetScalarOpacityUnitDistance( pix_diag );
>
>
>
>