Thanks Matt, If I get time I'll run through that to see what gets thrown up.
Also thanks Manny, This is not on Sp1, just 2015. Thanks both Chris On 15 October 2015 at 01:59, Matt Lind <[email protected]> wrote: > Given a deformation on a NURBS Surface, my first suspicion would be a > triangle being squished to the point it has zero area. Mental ray doesn't > like triangles with zero area. Another way to trouble shoot is to change > the parameterization settings for rendering away from parametric and use > view dependent subdivision. This will force triangulation to be rendered > per the camera's point of view and perhaps give more granularity where > needed to avoid the problem. > > In any event, Mental ray is pretty good at dumping information to reveal > the cause if you set it up to do so: > > 1) In your render settings, go to the mental ray "diagnostics" tab and > activate all the check boxes under "logged messages". This will put mental > ray in full verbose mode and dump everything it does to the script log. > This will also slow rendering down drastically, but the purpose here it so > find a problem, not make pretty pictures. > > 2) In your scripting preferences, activate "real-time message logging", > and "log to file" while also specifying the log filename. This will ensure > whatever mental ray logs will get stored in a file on your hard drive and > remain accessible in the event Softimage crashes. > > 3) render your image > > 4) inspect results of the script log. If you crash, open a windows > explorer and navigate to the script logfile and rename it to a new file > name. You do this because the moment you restart Softimage, Softimage will > erase the script log in preparation for the new session. Renaming the file > before restarting softimage ensures you still have the debug data from > mental ray. > > 5) comb through the logged data and look for errors, usually labeled > 'fatal'. The true error will always be one or more lines above the where > fatal error message appears. > > I can help decipher the log if needed. > > > Matt > > > > > Date: Wed, 14 Oct 2015 15:27:11 +0100 > From: Chris Marshall <[email protected]> > Subject: Mental Ray Fatal error > To: "[email protected]" > <[email protected]> > > > > Hi All, > I have a nurbs object that's deformed with a lattice. I'm doing some shape > animation on the lattice, but when I render a sequence, I get a Mental Ray > fatal error after it completes rendering frame 1. I've remade the lattice > animation on a new lattice, but I get the same error. If I delete the > lattice, it renders ok. So it looks like an issue with nurbs/lattices/shape > animation. Is this a known problem? Any thoughts/workarounds? > > Thanks > Chris > -- Chris Marshall Mint Motion Limited 029 20 37 27 57 07730 533 115 www.mintmotion.co.uk www.dot3d.com
