how to have render layer only to render shadow catcher? I have a building model with complete material and uv setup. Everything is fine, but now i want to render separate shadow layer. HOw can i have seperate layer which only turn on shadow catcher ? when i turn shadow catcher it will apply globally. Is it possible to have 2 render layer in sama scene where first layer render all object while the second layer render only shadow ? THe only thing i can do here, is to duplicate the project into another file just to render the shadow.

Thanks
First, create two separate render layers.



Second, duplicate all your objects to the second render layer. Then on the first layer in all your lamp settings turn off "Cast Shadow".



On the second layer, turn all your objects into shadow catchers.



Once your done, hit F12 and Blender will render both your images!