[vtkusers] Clarification needed for Volume Rendering using vtk

[Kevin H. Hobbs]

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 );



-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 259 bytes
Desc: OpenPGP digital signature
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20090606/77020143/attachment.pgp>