Re: Diffuse Color/Albedo Only Render Pass (Very limited...)

[todd akita <takita(at)earthlink.net>]

You'll have to plug it in yourself but this'll insert an "Albedo" render 
channel on selected Materials.
It'll also check and see if you actually have an "Albedo" framebuffer 
and if not it'll make it (python)

### begin

RendOpts = xsi.Dictionary.GetObject ('Passes.RenderOptions')
myChannels = []
for N in RendOpts.RenderChannels:
   myChannels.append(N.Name)
   
if "Albedo" not in myChannels:
   RendOpts.CreateRenderChannel( 'Albedo', c.siRenderChannelColorType )

for Sel in xsi.Selection:
   isMat = ( xsi.ClassName(Sel))
   if( isMat != "Material" ):
       xsi.logmessage (str(Sel) + " isn't a Material")
   else:
       myShader = Sel.Shaders
       myMix = 
xsi.CreateObjectFromPreset('Shaders\\Texture\\Mixers\\Mix_2colors.Preset')
       myMix.Name = 'Buffers'
       Sel.Surface.Connect( myMix )
       myMix.base_color.Connect( myShader(0) )
       Sel.Shadow.Connect( myMix )
       Sel.Photon.Connect( myMix )
       myMix.inuse1.Value = 1    
       myColorChannel = 
xsi.CreateObjectFromPreset('Shaders\\Texture\\Render_Channels\\Color_StoreInChannel.Preset')
       myColorChannel.channel.Value = 'Albedo'
       myMix.color1.Connect( myColorChannel )
       myMix.weight1.red.Value = 0
       myMix.weight1.green.Value = 0
       myMix.weight1.blue.Value = 0

### end

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