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In lugnet.cad.ray, Larry Pieniazek wrote:
> A long time ago, Jeroen kindly rendered this image for me in POVRay
>
> http://miltontrainworks.com/MTW/images/MTWproductLine_1280x1024.jpg
>
> But the source got lost. Now I need it much much larger so I'm trying to
> recreate it. I am all the way there (all models positioned right, etc) except
> for the lighting/shadows. Which may well be the hardest part!
>
> I like how the shadows are, they are relatively light. I also like how the base
> reflection is set up (i.e. there is none)
>
> I've been trying a lot of different render settings and surface settings but I'm
> either getting large muddy shadows, or I'm getting a surface that reflects the
> models. Anyone have any clues on the best combination of surface materials (for
> the white plane that everything sits on) and light source settings? I thought
> maybe an area light was the way to go but it's not working well for me.
>
> Here's my current surface settings...
>
> texture {
> pigment{ rgb <1,1,1> }
> finish {
> reflection 0
> ambient 0.4
> diffuse 0.5
> roughness .01
> }
> }
>
> Am I even on the right track there?
>
> Thanks for any suggestions.
Looking at the lighting, I'm pretty sure he used radiosity and prolly his
FastRad library. I might still have a copy lemme poke around.
-Orion
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On 6/2/2011 3:33 PM, Orion Pobursky wrote:
> Looking at the lighting, I'm pretty sure he used radiosity and prolly his
> FastRad library. I might still have a copy lemme poke around.
>
> -Orion
FastRad is a good choice for this scene. I would also use a parallel
camera and lights.
Mike
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In lugnet.cad.ray, Michael Horvath wrote:
> On 6/2/2011 3:33 PM, Orion Pobursky wrote:
> > Looking at the lighting, I'm pretty sure he used radiosity and prolly his
> > FastRad library. I might still have a copy lemme poke around.
> >
> > -Orion
>
> FastRad is a good choice for this scene. I would also use a parallel
> camera and lights.
I am using an orthographic camera because I don't want perspective at all. I
didn't try parallel lights. (there are such? or do you mean area?) That may be
what I need to correct the shading differences.
One thing I'm still chasing is that I can't get the windows to have the "right"
transparency... either they are too light and it looks like the interiors are
"glowing" or if I turn the colors or transparency down, things get too gray. I'm
trying to get the same transparency as in the image I'm trying to mimic.
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On 6/22/2011 9:33 AM, Larry Pieniazek wrote:
> I am using an orthographic camera because I don't want perspective at all. I
> didn't try parallel lights. (there are such? or do you mean area?) That may be
> what I need to correct the shading differences.
>
> One thing I'm still chasing is that I can't get the windows to have the "right"
> transparency... either they are too light and it looks like the interiors are
> "glowing" or if I turn the colors or transparency down, things get too gray. I'm
> trying to get the same transparency as in the image I'm trying to mimic.
Yes, there are parallel lights that work just like orthographic cameras.
Check the docs. This way you will get uniform lighting on every object
in the scene.
Mike
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