[vtkusers] volume rendering transfer functions

[Charl P. Botha]

Sean McInerney wrote:
> mapped. However, I am unsure how the gradient opacity interacts with the 
> scalar opacity to produce the mapped opacity. Without necessarily 

Last time I went through the code, the two were simply multiplied.  I.e. 
for a single voxel mapped opacity = scalar opacity * gradient opacity.

Regards,
Charl

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