enricocerica wrote:It seems that luxrender is becoming quite usable and I'm surprised by the result I achieved with this "not yet finished" version.
However, I couldn't use the bidir and I had a lot of white dots all over the image with pathtracing so I finally used directlight/metropolis settings which has probably an impact on the final result but anyway it is near my expectations.
Hi enrico, very nice render
regarding 'bidirectional', it's not the best integrator for an outdoor scene (in any engine),
'path' (eg standard path tracing) is always faster for exteriors.
one thing which is strange is the white dots you speak of, it's not something i've seen.
Maybe you are thinking in indigo parameters and use a maxdepth = 1000 (default for bidirectional in blendigo) ?
that will not work well in lux and path tracing as we've different rr termination code.
1000 is only usefull for SSS with bidirectional which we don't support yet.
you should be able to get good results with path tracing and depth = 8 or so and metropolis (best use the medium or final RECOMMENDED presets)
directlighting is quite handy, but don't use metropolis sampler with it.
MLT is only good for mutating complex indirect lightpaths, so it has no effect on the directlighting integrator other than make it REALLY SLOW.
if you want to use directlighting only, use the lowdiscrepancy sampler with lowdiscrepancy pixelsampler,
or use the preset (BIASED - directlighting/raytracing), it should be MANY times faster (maybe up to 7x orso
i suggest you try with the medium recommended or final recommended preset, that should be very good for this scene.
i can render animations with directlighting and lowdiscrepancy (with tile pixelsampler) at 4 minutes per frame noisefree.
i know it's not easy to adapt to a different engine and the lux stuff works a bit differently,
that's why i've created a lot of presets.
gengibre wrote:Hi everyone, this is my entry for the Splash contest, and my first try with LuxRender...
it's very nice
i'd tilt the camera a bit upwards since half of the picture is black cobblestones.
maybe try to get to see a bit of sky blue colour too