September 11, 2015

This version uses Arnold 4.2.9.0

Enhancements

  • More robust IPR.
  • Direct and indirect AOVs for volume and SSS.
  • Improved OpenVDB plugin, standard and image shaders.
  • Adaptive tessellation also works in object space.
  • Faster volumes, curves, deep EXR writing, subdivision, and rendering of opacity-mapped objects.

Linux installation notes

  • Starting from SItoA 3.6.0  (which uses Arnold 4.2.6.0), the minimum requirements for Linux have been raised to the equivalent of RHEL/CentOS 6 for glibc and libstdc++.
    However, Softimage ships with a legacy libstdc++ that is put in the LD_LIBRARY_PATH and that hijacks the system one, making it impossible to load the Arnold DSO.
    To fix this, one solution is to preload the system libstdc++ before launching Softimage:

     

     

    Another solution is to remove the libstdc++ from the Softimage install and let the system one take over, for example:
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