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Welcome to RenderMan for Houdini 22!

This release of RenderMan for Houdini 22 (RfH), includes a number of new features to address feedback as well as many improvements to RenderMan for Houdini workflow and performance.

  • Rendering with RenderMan will not operate on Houdini Apprentice editions, see Side FX's website for options that allow Third Party Rendering
  • Houdini Indie is only compatible with 17.5, you must be using at least version 17.5.210 or higher


RfH minimum supported platform is now Houdin 17.5.360 for 22.7+


What's New

Miscellaneous and Important Changes 

  • View RIB tools for debugging added

    • "View Selected RIB" menu tool only works in versions of Houdini 17.5.229 and later
  • Added interactively edit hider:minsamples, hider:maxsamples, hider:minextrasamples, and Ri:PixelVariance
  • Support added for vector3, vector4, matrix4x4 parameter tags
  • We now disable checkpointing when ipr rendering
  • Added correct pixel filter settings globally
  • Allow a coordinate system with Null node

Fixes

  • A bug that prevented the use of DWAa and DWAb EXR compression has been addressed

  • Fix extraneous warnings created when rendering motion blur on alembic geometry imported into Houdini
  • Bug fix pxrshadowsamplefilter Shader Type = output
  • Fixed a bug on Linux where Houdini could crash if rendering to 'it' after having rendered in the Render View
  • Fixed a bug that did not unhide geometry when subnet became visible
  • Mesh light bug fixes including issues with referenced geometry
  • Fix sun direction manipulator to prevent invalid directions
  • Allow/Fix point, vector, matrix, normal osl parameters to render correctly
  • Correctly reverse NURBS orientation
  • First iteration now obeys crop window settings

Known Issues

  • Phantom objects are removed from all rays, not just camera rays
  • Applying undo of deleted nodes or collapsing to subnet may not work as expected
  • Interactive Render Regions may require adjustment to start rendering
  • Rewiring subnet indirect inputs
  • Auto camera creation for IPR
  • RenderMan clipping planes
  • If a light instance's master is disabled, the first render/update will still show the master

Known Limitations

  • Tractor Integration
  • Rendering with Mantra lights not possible
  • Bypassing shader nodes
  • Rendering with Houdini VOPs