[vtkusers] volume rendering transfer functions

[Charl P. Botha]

Sean McInerney wrote:

> Thanks Charl,
> 
>   Always nice when something boils down so simply. Absolutely brilliant. 
> Do you recall if this was within the volume mapper code?

Have a look at the vtkVolumeRayCastCompositeFunction source.  Text 
search/grep for "*= gradient_opacity". :)

Regards,
Charl

-- 
charl p. botha http://cpbotha.net/ http://visualisation.tudelft.nl/