Help shadows and alpha channel in GI
i have character moving on a scene, the render is done in Global illumination
i have the shadows of the character on the floor, and i want to composite it without the floor , but only with the shadows.
i did put the alpha channel property of the floor to shadow density in the surface editor
but i got nothing in the alpha channel in the render, (maybe the shadow is too diffuse)
if anyone has a clue on how to get the shadows of a render in GI....
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