[Radiance-general] Fw: How to increase the rendering speed?

[atelier iebele abel]

Hi Huangwx,

You can find the default settings of rpict with the -defaults option, 
just type:
$ rpict  -defaults

-Iebele

Huangwx wrote:

> I do not know why the server deleted the text part of my letter. here 
> is the letter. 
> Dear all:
>  
> I am trying to render an interior scene in daytime and nighttime. I 
> would like to render many images with different material colors and 
> textures in this scene, that means the geometry and 
> illumination remain the same, but the materials on the wall, ceiling 
> ,floor and so on change. The image size I need is very small(175*255 
> pixels). I need to render the images as faster as possible. So I 
> wonder is there any way to increase the rendering speed?
>  
> I am using the Desktop Radiance2.0, I found it renders my model much 
> faster than the Radiance 3.6 in cygwin. (2 min vs. 12 min. on same 
> computer), and the results are different, the floor rendered by 
> Radiance 3.6 in cygwin seems too much reflective. Are there 
> any differences in the default settings of them? or is there something 
> wrong with my installation? (Actually I just copy the model to cygwin 
> directory and inpute the command: $ ./day.bat )
>  
> You can find my model here:
> http://munemoto-lab.archi.kyoto-u.ac.jp/storage/huang/12.7.rar
>  
> I think it may be not easy to answer these questions, but your reply 
> will be great help for me.
>  
> Yours,
> Huang
>
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