Chaos Corona Forum

Chaos Corona for Cinema 4D => [C4D] General Discussion => Topic started by: lenogre on 2018-01-26, 12:08:44

Title: image+shadows
Post by: lenogre on 2018-01-26, 12:08:44
Is there a way to have with corona the image on a layer without shadows and a layer with only shadows ?
A customer asks me for shadows less dark and I don't want to add lights for this.

I'm using SourceColor+RawComponent but it's not perfect : materials without color (metal) are black.
Title: Re: image+shadows
Post by: lenogre on 2018-01-30, 09:55:47
layer image
above layer RawComponent > Invert > Density Color - > 20% opacity

Not perfect but enough I hope.
Title: Re: image+shadows
Post by: houska on 2018-01-30, 10:24:50
Corona Multipass, add a shadow pass and then add the shadow pass to the beauty pass in post.
Title: Re: image+shadows
Post by: lenogre on 2018-01-31, 15:03:39
The Shadow layer in Corona doesn't look as a shadow layer in AdvancedRender. I'm impossible to tell what it is, I'm unable to do anything with it.
Title: Re: image+shadows
Post by: TomG on 2018-01-31, 15:54:46
See https://help.c4d.corona-renderer.com/support/solutions/articles/12000023596-what-multi-pass-channels-are-available-


"
Shadows

Shows the shadows (energy subtracted from the image due to shadow ray occlusion). This is the complement to the beauty pass, showing white where there are black shadows. If this pass is linearly added to the beauty pass, it negates the visible shadows. Note that currently the shadows from environment lighting are always shown, resulting in a washed-out pass in typical interior renders.
"

So the more of that pass you add in to the beauty image (Linear Add in Photoshop), the less strong the shadows will be (this may be the opposite of what you expect the shadow pass to be). Also see the note about environment lighting though, as that could be relevant.