loramel wrote:...on my AMD Phenom X4 @2.4Ghz, 64bit Linux, 8GB RAM.
Abel wrote:2. I've been curious about the performance of LuxRender on the Phenom, would you mind running the benchmark? (http://www.luxrender.net/wiki/index.php ... Benchmarks)
Poncho wrote:What about using path?
I always try to avoid big boxes around the objects because they slow down. If you want a white/grey reflection from the surrounding box, you could try an environment map or change the color of the environment in blender.
Poncho wrote: ...btw, there is a velvet (cloth material) on material database you could perhaps use. http://www.luxrender.net/lrmdb/en/material/view/54
rusted wrote:looking quiet good.in the photo gold is looking more saturated.any info on lighting setup and materials?
jeanphi wrote:Pure gold is a pretty unusual material, I've only seen once a sample of pure gold. You can have white gold with >90% pure gold, and standard yellow gold with only 75% pure gold.
Also, I think there is too much roughness, the exponent should be set higher.
In practice you also usually have a thin oily film of those that touched it or due to the cleaning products used, ... which tend to bend light towards surface normal when it hits the gold material and saturates the color (this is the same effect than on oiled or varnished, or even wet, wood).
I think that your pearl material is pretty good looking given the pretty basic materials lux currently has for this kind of objects. You might try to use the thin film feature to create more realistic interference patterns.
loramel wrote:Thanks jeanphi. The explanation about the oily film is valuable. Do you have any tips how to simulate this with the current lux materials.
loramel wrote:I already tried this, but decided to focus on materials later in the project. The problem with thin film is, that its only available with shinymetal, mirror and glass, which leads to doing some tricks with proper mixing of materials, where I only use the thin film property.
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