Quote:
Originally Posted by StefanH
this might be a dumb question, because i did already quite some renders. But most of the time i use simple spotlights and ambient occlusion to do the job.
What exactly is the job of the light tracer?
Skylight seems to work just fine without it. only on normal mapped objects it's fcked up. Is that because i never used light tracer?
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If I got it right the light tracer is basically a somewhat cheaper radiosity render (I think it's just not trying to do everything a 100% pshysically correct, but I don't know for sure). you get the GI look and color bleed if you want it and a bunch more settings to play with. I usually get the rendering time down quite a bit without loosing much image quality compared to a standard skylight by just tweaking the values. definitely worth a look in the reference files.