THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 01/04/2007 at 14:33, xxxxxxxx wrote:
User Information:
Cinema 4D Version: R9.6 +
Platform: Windows ; Mac ; Mac OSX ;
Language(s) : C++ ;
---------
Hi All,
how i can sample the alpha channel of a BaseChannel?
Really i don't find it :)
Cheers
Renato
THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 04/04/2007 at 00:57, xxxxxxxx wrote:
You have to set the TEX_ALPHA flag. For a PluginShader it looks like this:
Vector BitmapData::Output(PluginShader *chn, ChannelData *cd)
{
if (!shader) return 1.0;
LONG flags = cd->texflag;
cd->texflag |= TEX_ALPHA;
Vector res=shader->Sample(cd);
cd->texflag = flags;
return res;
}
cheers,
Matthias
THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 04/04/2007 at 01:26, xxxxxxxx wrote:
Hi Matthias,
So, to sample the alpha channel from a basechannel i just need to set TEX_ALPHA then sample it?
I'll make some my test
Thanks for now.
Renato