Help!!! Argh! Bagginsbill, what am I doing wrong? I'm using your shadow catcher material in a scene I'm working on, following your instructions from the other thread, but somethings's terribly wrong.
I have 3 lights in my scene, only one of which I have set to cast a shadow. It's a bright daylight scene, and in the background picture, the sun is directly overhead, so I want the character in my scene to be lit in a similar manner. When I move the light to an overhead position, my character casts no shadow at all. However, when the light is set low, as it would look if the sun was going down, it casts a fine shadow.  I don't get it. I've been messing with the settings for "calibrate black" and "calibrate white" to no avail. Moving the light itself, seems to add or delete the shadow, and it's so frustrating. What am I doing wrong?
I've attached a picture to illustrate it. The only thing different in the scenes is the lighting, which I've circled in red. I've been messing with it for hours - I'm so frustrated I'mabout ready to just give up.

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