POV-Ray : Newsgroups : povray.general : Soft Shadows? : Re: Soft Shadows? Server Time
5 Jul 2024 11:56:36 EDT (-0400)
  Re: Soft Shadows?  
From: clipka
Date: 8 Feb 2015 15:07:48
Message: <54d7c214$1@news.povray.org>
Am 08.02.2015 um 17:02 schrieb IronLogic:

> Also you can have soft shadows with point lights (or in fact any light), many
> other render engines do it. You just have to trace a bunch of shadow rays up
> towards the light rather than just one, and give them a semi-random offset
> between the direction of the light and a user defined maximum (which defines how
> soft the shadow is). The more rays you trace the cleaner it will be.

Well, that's /exactly/ what POV-Ray area lights do in the "circular 
orient jitter" mode - except that POV-Ray uses stratified sampling in 
that mode rather than purely random offsets, and that it also still 
supports adaptive supersampling in that mode.


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