Visible artifacts, flickering splotches or dark spots in animation renderings with Chaos Vantage

As a ray-tracing renderer, Vantage can produce flickering or splotchy render results when using High Quality Render for animations. 

 

Flickering in animation is most commonly caused by: 

  • Not enough Samples per pixel. Interior projects may need a lot more samples than exterior ones. Using values between 1000 and 2000 can result in flicker/splotchy-free rendering results. 
UI Path: Tools > High Quality Render

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  • The default Light Cache Sample limit might be insufficient. Similar to the Samples per pixel, interior projects may need a lot more Light Cache samples than exterior ones. Using values around 1000 or more can help to get flicker/splotchy-free rendering results.
UI Path: Render Settings > Advanced 

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  • Outdated Nvidia Drivers. Such drivers can introduce artifacts when denoising the final image. It is best to use the recommended NVIDIA driver version shown here.

 

Additional options for troubleshooting:

  • Try rendering a few frames without a denoiser.
  • Turn off the Enable dynamic textures option (in Render tab > Advanced).
  • Increase the Light Cache’s Retrace threshold to 3.

Use the Reduce flickering option (in Tools menu > High Quality Render).

 

Archive and send the files to Chaos Support if any additional help is needed. 

 

Files required for additional troubleshooting by Chaos Support:

  • Vantage project file, and  .vrscene file associated with the Vantage project file; 
  • Project file from the 3D platform used to initiate the Live-Link connection or to export the .vrscene file.
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