Rendering und Multipass
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 THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED On 26/09/2006 at 23:17, xxxxxxxx wrote: User Information: 
 Cinema 4D Version: 9.6
 Platform: Windows ;
 Language(s) : C++ ;--------- 
 Hi,My VideoPost plug-in needs to render sub pictures, that's why I call RenderDocument in the method execute and then copy the result picture in VPBUFFER_RGB. It works for a normal rendering. 
 The problem are coming as soon as the user wants to output the Alpha Channel or some Multipass.
 VPBUFFER_RGB is a MultipassBitpmat so I tried to understand its contain. As I was expecting, the layer count is 1 during a normal rendering and more if the user wants multipass (count = multipass effect +1), alpha layer count is 1 if the user wants the alpha channel.I thoughts that maybe if I create a MultipassBitmap with the same layers in it, renderdocument would maybe render thode data too in my sub pictures, but it doesn't work. Well I need those data in my sub pictures. I need sometime to save them. How can I get them ? thanks, Vincent