POV-Ray : Newsgroups : povray.tools.poser : Poseray: what controls the specular size? : Re: Poseray: what controls the specular size? Server Time
27 Nov 2022 20:38:47 EST (-0500)
  Re: Poseray: what controls the specular size?  
From: Thomas de Groot
Date: 19 Jul 2007 02:29:49
Message: <469f04dd$1@news.povray.org>
Thank you indeed FlyerX!
This fully answers my question and the DS bug explains the puzzle I hit 


"FlyerX" <fly### [at] yahoocom> schreef in bericht 
> Thomas,
> There is a specular size that controls the roughness value in the 
> materials tab of PoseRay. PoseRay uses specular+roughness for highlights. 
> In Poser this is controlled by the highlight size and in DAZ|Studio it is 
> the glossiness in the advanced tab for each surface.
> DAZ|Studio has a bug that results in exported scenes with full specular 
> strength. Specular strength in DAZ|Studio is a multiplier of the highlight 
> color. The only reason I see this parameter exists is for changing the 
> amount of highlight without changing the RGB ratio of the highlight. 
> Rather useless.
> later,
> FlyerX
> Thomas de Groot wrote:
>> This is a question of general interest I think.
>> I have a couple of objects (coming originally from Daz3D) of which the 
>> materials' specular sizes are translated to 100 in Poseray, and from 
>> there to roughness values of 0.2xxx in POV-Ray, even after I have 
>> modified the materials, both in Poser and in Silo. The high roughness 
>> makes the materials look washed out.
>> I have been looking into the parameters in all the applications, but I 
>> cannot discover what exactly triggers this anomalously high setting.
>> Any idea?
>> Thomas

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