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How to control the strength of the shadow
i use a rgbspectrum in transmission with glassmaterial and use fake shadows
i want control the shadow strength without change light and opacity

Hi carterner,
I guess that the more accurate way is to activate Render Pass/ Render Layers/ Colored Shadow. In this way you have the colored shadow in a separate layer in Photoshop and you could adjust it as you want
Here is a link to the Render Layers documentation in c4dOctane:
https://docs.otoy.com/manuals/products/ ... er-passes/
Video tutorial by InlifThrill on Vimeo:
[vimeo]http://www.vimeo.com/119848103[/vimeo]
and a discussion about Render Layers in general:
viewtopic.php?f=51&t=44267
ciao beppe

bepeg4d wrote:Hi carterner,
I guess that the more accurate way is to activate Render Pass/ Render Layers/ Colored Shadow. In this way you have the colored shadow in a separate layer in Photoshop and you could adjust it as you want
Here is a link to the Render Layers documentation in c4dOctane:
https://docs.otoy.com/manuals/products/ ... er-passes/
Video tutorial by InlifThrill on Vimeo:
[vimeo]http://www.vimeo.com/119848103[/vimeo]
and a discussion about Render Layers in general:
viewtopic.php?f=51&t=44267
ciao beppe

thank you very much