View Full Version : Serious Rendering problem

09 September 2004, 01:30 PM
Hi Fellas,

We had tried the new 30 days trial of Foundation. We ran into a serious problem immediately.

We have the following scene:

One wall with a window opening in it.
One plane acting as a ground.
One light lighting through the window.

Now the problem is that there is A LIGHT SPOT around the projection of the window, as the light goes through the wall...

Many thanks guys,

09 September 2004, 02:20 PM
- Try turning the umbra on your light down to zero.

09 September 2004, 02:24 PM
Thanks Ed,

I`ve just realized that this case is just the usual RTFM case. We did it.

09 September 2004, 02:26 PM
By the way. How MR is affected by the scale of the scene? I was a LW user before, and I`ve used to work in real world unit, but in XSI I see only units. Somewhere I read that XSI uses 10 cm as 1 unit. Is it right?

Thanks again

09 September 2004, 02:44 PM
It's what most of us use. A XSI unit can be ANY size, but 10cm works fine. Although it still depends on the scale of your scene object. Also dynamics work with the values of 10 (gravity and such)
Modelling a virus you would be lost scaling 1 unit down to a nanometer ;)
Also the skeleton/rigging tools don't like it whne you scale them too much.

Hope this helps,


09 September 2004, 02:45 PM
- Really, really large scenes and really, really small scenes can cause clipping/accuracy problems.
- XSI Units can be what ever you want them to be, where I work we use 1 unit as 1 foot.

09 September 2004, 02:51 PM
Hi Ed,

Over here we do the occasional architectural modelling, so 1 unit = 10 cm and and my hacked primitives spdl's creating objects of size 10, I don't have to calculate that much ;)



09 September 2004, 03:09 PM
Thanks guys, nice to be here!

09 September 2004, 08:23 PM
It's good to have you! :)
The more the merrier.

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