Obligatory disclaimer: This is my first post on blender.stackexchange so forgive me if my post isn't on par with what's usually asked here.


I'm running v.2.80 of Blender currently and I have a video that's already been tracked, and my scene has been set up so that this tile sits on the wall of the building. enter image description here

However the shadow of the tile doesn't match up with the rest of the scene (which is just the default shadow catcher). I currently have a compositor node set up in another file that I want to use in order to get the following result:

enter image description here


How can I set up the shadow catcher so that only the part of the video that it's casting over will be affected by the compositor node?

Edit 1: The scene has been set up with a Sun, and the world's color has been set to blue those are the only two sources of light. I've tried using a area light instead of global lighting and the results are the same.

  • $\begingroup$ Hi. By "tile", do you mean that you've replaced the wall with a textured plane or something? $\endgroup$
    – Millard
    Aug 28, 2019 at 20:04
  • 2
    $\begingroup$ Oh, now I understand what your talking about, I was confused by the fact that you had a separate image of the wall texture. :) I think that all you have to do is change the lighting your using in your 3D scene. the i believe that the problem is that your shadow isn't tinged blue, so maybe add blue sky lighting? $\endgroup$
    – Millard
    Aug 28, 2019 at 20:08
  • $\begingroup$ The sky lighting in the scene is actually blue already, but that doesn't effect that shadow catcher. Also, notice the difference in contrast between the parts of the wall that are casted in shadow and those that are not, there's clear highlights, mids, and shadows on one, and not another, which is why I have the node tree that I want to use. $\endgroup$ Aug 29, 2019 at 12:34
  • 1
    $\begingroup$ You might be interested in this method. $\endgroup$
    – Leander
    Aug 29, 2019 at 13:15
  • $\begingroup$ well, I don't know that much about vfx, so I'm not sure I can help. $\endgroup$
    – Millard
    Aug 29, 2019 at 13:54


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