On 02/09/2011 11:16 AM, Trevor G Quayle wrote:
> A few sources I have for .hdrs:
> http://www.hdrlabs.com/sibl/archive.html (recent find with lots of good quality
> ones)
> http://www.openfootage.net/?cat=15 (also a fairly good quality resource)
> there are many other out there, but these are my favourites at present (I
> currently have over 350 in my collection).
> 
> For example I have attached a scene that I have rendered with 3 different
> environments: a) plain sky sphere, b) LDR (jpg version of the HDR used) c) HDR.
> For this scene, I have only used a single point light, which doesn't
> necessarilty match the lighting expected from the environment mpa.
> 
> 
> You should be able to see how the environment makes the textures more
> interesting, and how the HDR shows the highlights better.
> 
> Standard implementation would be mapping it to a sky_sphere or to a large
> physical sphere (hollow for media to work).   I prefer the physical sphere, as I
> can use 'ambient' to increase/decrease the brightness of the map used.
> 
> sphere{0, 12000 hollow
>   pigment{image_map {hdr "HDR.hdr" map_type 1}}
>   finish{diffuse 0 ambient 1}
> }

hey thanks for the links and the little demo ... i'm thinking that part
of my problem is the "cubic" environment i'm working with. going to try
a single wall behind the objects, with a spherical env ... maybe this is
why i can't seem to finish a scene (i'm always messing with my setup)

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