Welcome to RenderMan for Houdini 23.3!
This release of RenderMan for Houdini 23 (RfH), includes a number of new features and bug fixes that address feedback.
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New Features in 23.3
RenderMan for Houdini now supports rendering packed USD geometry within the geometry context.
- Added new ROP options to enable illumination baking.
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- Fixed a crash when merging vdbsVDBs
- Fixed a bug where primvars are dropped when material is applied on SOP
- Fixed an issue preventing render updates for keyframed parameters on light shaders
- Fixed an issue that would prevent a an interactive render from stopping if an abort was issues issued in the "it" display
- Fixed an issue that was causing the IPR Render shelf tool to read the ROP display rather than always starting an IPR session
- Fixed a bug that could cause Pixel Filter mode to remain pinned to "importance"
- Fixed a bug that would cause interactive rendering to crash when modifying materials or the timeline
- Packed Geometry:
- Fixed a bug where unpacked primitive geometry would not get material attribute applied
- Fixed a bug where velocity motion blur was not applied when packed SOP was not time-dependent
- Fixed some motion blur bugs with packed geo
- We now export packed alembic string attributes as user attributes
- Instancing:
- Fixed an issue to more closely match Mantra behavior when ptinstance = off
- Fixed a crash when instances would be created from points out of a POP or DOP node
- Numerous other bugs when using instancing have been addressed
- Preset Browser:
- Fixed logging bug when using the preset browser with textures
- A bug causing importing and exporting shader networks with PxrOSL shaders to the preset browser has been fixed
- A bug causing importing and exporting nodes with arrays to the preset browser has been fixed
- Address an issue when where the preset browser would not import material assets with textures correctly
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- oslbuilder now shows up in PxrMaterialBuilder
- Added support for ptmotionblur="deform" on Instance OBJ
- Added RFH_USER_LOG_DIR, RFH_USER_OTLS_DIR, RFH_USER_PREF_DIR
- Reorganized ROP for illumination baking options
- The "darkfalloff" option has been added back to the adaptive sampling options
- Added biasR, biasT, rawId, and dPcameradtime AOVs to LOPs, ROPs, and TOPs
- Parameters with unknown widget types still being added to hda with a default UI.
Known
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Limitations
RenderMan for Houdini
- Display edits cannot be changed from the image tool to mplay
- Cross-frame denoising pdg support
- 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
- Rewiring subnet indirect inputs
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- Rendering with Mantra lights or VOPs not possible
- Bypassing shader nodes
- Auto camera creation for IPR
- RenderMan clipping planes
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