Shadow cams have no affect on ray-traced shadows, only depth-mapped shadows. Perhaps you're not using depth-mapped?

In any case, if you're interested in detail and in realism, depth-mapped shadows have no place for you. Use ray-traced shadows.

This is for people who have very weak computers and no patience.

Look at the original posting date - February 2006 - that is 3 years ago.

Computers, even if you have an "old" one, are 3 years farther than when I wrote this. That's about 4 to 10 times faster than 2006.

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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)