Apparently in P7 they change "Scale" to Zoom and XTran, YTran became PanX, PanY. Whatever they're called, I believe those dials work the same as P6. Are you using the parameter dials, or are you spinning the camera controls on top of the pose preview window? They work differently. The camera controls on the pose preview don't work right for shadow cams - they seem disoriented to the actual camera. If you stop and think about it, that makes sense as the camera is not actually free to move or rotate. That would involve moving or rotating the light, which if you try it, you'll see the camera moves with it.

What the parameter dials do is translate the origin and scale of the shadow map itself, in other words imagine a plane suspended in front of the shadow cam with perpendicular alignment.  Now imagine a sheet of paper in this plane. You could change the scale of the paper, or slide it around the plane. This "sheet of paper" is your shadow map! You're not actually moving the camera at all with the PanX and PanY - you're moving the paper.

And regarding the shadow problem - I believe P7 is broken. This is one of the reasons I won't use it. At RDNA we've had discussions of several other bizarre new shadow problems that P6 just does not have. Perhaps you, like me, should stick to P6.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)