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I can rendering with renderman but I can't find the renderman menu button on top-level menu. June 18, 2019, 5:06 a.m.

Set the renderman values as the first in sequence for ur variables (ahead of other variables- in this case Arnold)

For me the menu magically appeared after doing that.

Renderman 22.5 for Houdini 17.5 issue on start May 25, 2019, 9:40 a.m.

Make sure that the Houdini path variable has RenderMan lines first in the list if you have multiple entries.

I had the same issue and put the RenderMan line first ( before Redshift and Octane lines which I have installed as well )

That fixed the issue.

Render Comparison Redshift, Arnold, V-Ray, Mantra, RenderMan, Octane May 23, 2019, 12:59 p.m.

Thank you for this.

It's possible that the shader setups might be slightly different for each renderer which might explain the discrepancies between each Renderer's shader quality results.

That said, Vray and Redshift, while faster than the others (CPU(+GPU?) and GPU respectively) also look underwhelming esp where transparent Shaders are concerned. This is persistent with my own experiments with these two renderers.

Octane is finicky at times but just like Arnold, I prefer it's out of the box results. Octane's transparent shader results look the sharpest and to me, the most believable. Even Arnold is muddled in some of these results ( not to mention the less than stellar rendering times )

PS: How did you setup Renderman 22 for Houdini? I have installed it but I don't see options that are different than the existing integration of the 20/21 defaults in Houdini.