[Radiance-general] ambient light

[Bei Xiao]

Hi, 
No, i  didn't set it. HOw did you set it in .rif file? I am rendering hyperspectral images. 
So i have to passing these  values in .rif to use rad commend to render them.  Thanks. 

Bei 

 
> 
> Hi Bei,
> 
> Did you set the -st paramater (specular treshhold) ?
> If you have a specular value of, say, 0.01, your -st value should be also 0.01, otherwise you will not see any
> specular reflections.
> 
> Succes,
> 
> Iebele
> 
> 
> 
> Bei Xiao wrote:
> 
> > Hi,
> >  I am using Radiance to simulate objects with various glossy  parameters.
> > But I found no matter how did I set up the material properties of the
> > objects, they all look the same under the light. I guess there must be
> > too much ambient light so the highlights on the objects are invisible. I
> > want to turn off the ambient light in the scene and only keep a few area
> > light sources. How shall I set up the parameters? Also, how do I include these parametesr in the .rad file?
> > thanks.
> >
> > Bei
> >
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> 
> 
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