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Mark Wilson avatar image
Mark Wilson asked ·

My render starts fine, but displays in negative when finished - any ideas?

Hi, I'm trying to fine tune my render settings, trying various samples configurations, but just recently my renders have started fine, but at the moment of completion switch to a colour negative of the rendered image. I've looked through all my settings, but cannot find any obvious cause. Can anyone help please?

I'm running 3ds Max 2019 with Arnold (latest version) on a HP Pro 4300 SFF PC with 16GB RAM, 8-core 3.10 GHZ processor and a GeForce GTX 1050 Ti graphics card.

Thanks.

arnold
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Mr. T avatar image
Mr. T answered ·

Ive encountered a similar issue, if you have the Arnold Denoiser activated try disabling "Denoise on beauty" in the Denoiser Tab of the Render Settings

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Mark Wilson avatar image
Mark Wilson answered ·

Hi Stephen,

Below is a readout of the log. Hopefully you can make something of it.

00:00:00  3414MB         | log started Fri Oct 11 14:30:24 2019
00:00:00  3414MB         | Arnold 5.4.0.1 [197d4d5e] windows icc-17.0.2 oiio-2.1.0 osl-1.11.0 vdb-4.0.0 clm-1.0.3.513 rlm-12.4.2 optix-6.0.0 2019/09/12 15:17:56
00:00:00  3414MB         | running on 111AAA200-DESIGNER, pid=5876
00:00:00  3414MB         |  1 x Intel(R) Core(TM) i7-3770S CPU @ 3.10GHz (4 cores, 8 logical) with 16342MB
00:00:00  3414MB         |  NVIDIA driver version 436.30 (Optix 60500)
00:00:00  3414MB         |  GPU 0: GeForce GTX 1050 Ti @ 1417MHz (compute 6.1) with 4096MB (2940MB available) (NVLink:0)
00:00:00  3414MB         |  Windows 7 Professional Service Pack 1 (version 6.1, build 7601)
00:00:00  3414MB         |  soft limit for open files raised from 2048 to 2048
00:00:00  3414MB         | 
00:00:00  3414MB         | loading plugins from c:/programdata/autodesk/applicationplugins/maxtoa ...
00:00:00  3414MB         |  alembic_proc.dll: alembic uses Arnold 5.4.0.1
00:00:00  3414MB         |  cryptomatte.dll: cryptomatte uses Arnold 5.4.0.1
00:00:00  3414MB         |  cryptomatte.dll: cryptomatte_filter uses Arnold 5.4.0.1
00:00:00  3414MB         |  cryptomatte.dll: cryptomatte_manifest_driver uses Arnold 5.4.0.1
00:00:00  3414MB         |  MAXtoA_Adapter.dll: Max_Adapter uses Arnold 5.4.0.1
00:00:00  3414MB         |  MAXtoA_Shaders.dll: Max_UVGenerator uses Arnold 5.4.0.1
00:00:00  3414MB         |  MAXtoA_Shaders.dll: Max_PhysicalSunSky uses Arnold 5.4.0.1
00:00:00  3414MB         |  ProceduralOperator.dll: procedural_operator uses Arnold 5.4.0.1
00:00:00  3414MB         | loaded 8 plugins from 5 lib(s) in 0:00.03 
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I have resolved the problem - but without figuring it out.

I simply opened my max template and merged in my file; now it renders fine with no negative imagery.

I still don't know how it happened, but at least it's not affecting my work now.

Thanks for help, I may well be asking again!

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@Mark Wilson Could you attach the full log file? In the Render Settings, you can enable log to file.

The log is a good place for us to start.

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Stephen Blair avatar image
Stephen Blair answered ·

Can you post an Arnold log?

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