Render a Flat background

#1

Hello,
I’m rendering a scene in LW and I want that the floor and the wall render with a flat white color(whitout the calculation of the light sources). Anyway I want that the objects inside the scene, cast his shadow to the wall/floor.
here an example of what I mean:
http://www.lightwavesystems.com/products/boompoles/images/Lightwave-G5NewsBPCollars_1.jpg

(ex: In CINEMA 4d there is a check box called COMPOSITING BACKGROUND that do the trick)

Thanks in advance,
Claudio.

#2

Set plane alpha to shadow alpha + comp work.
Denis got some shadow node thing, maybe that can do something cool.
http://pagesperso-orange.fr/dpont/plugins/nodes/Shadows.html

#3

Thanks walfridson, could you please add some details(where I set the shadow alpha)?

I would like to have just the flat background, I hope it is possible in a fast and easy way, whitout any other node stuff or plugin or whatever

#4

go to surface editor (f5)
select plane and go to tab advanced
on the alpha channel choose shadow density
render :slight_smile:

#5

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