Simplygon 9 Documentation

# Simplygon 9.1 Release Notes

# Latest Simplygon 9.1 release 9.1.29600.0

  • Blender
    • Fix loading/saving pipelines in Blender 2.93
  • 3ds Max/Maya/Unity
    • Fix loading legacy settings
  • 3ds Max
    • Billboard cloud is now using the correct up vector
  • UE4
    • Improved flatten material texture quality
    • Fix, user section data is now restored when generating skeletal mesh LODs
    • Fix, applying new LODs to skeletal mesh was causing memory leaks
  • Unity
    • Added support for USD package 3.0
    • Added UI logger tab
  • Added COM Initialization to Simplygon Grid
    • API user, who wish to use BC4 (DDS), are required to add CoInitialize and CoUninitialize call in the host application.

# Older Simplygon 9.1 releases

# 9.1.27400.0

  • Max/Maya
    • Added UI logger tab
      • Added tooltips for entries
      • Added sorting and filtering of entries
      • Added export to file
      • Added copy to clipboard
      • Added context menus for copy, copy all, clear all
    • Updated Max dark style
    • Redirected and improved logging from Max and Maya to UI
    • Added logging of invalid pipelines
    • Simplygon Houdini nodes in Max/Maya are now supported
  • Unity/USD
    • Fixed infinite hang when reporting progress from another thread
    • Now hooks back constant vertex color field as constant (allows material fallback to vertex color in Unity.USD)
    • Fixed vertex color issue in some specific circumstances
  • UE4
    • Improved IncrediBuild support for LOD Recipe
    • Fix, sometimes plugin modules prevented UE editor to close cleanly
    • Fix, baking materials for meshes with unordered sections should now give correct mapping in the baked material
    • Fix, LOD recipes with multiple material bakes should now map resulting material correctly to each LOD
  • More user friendly out-of-memory messages
  • Fix hang when running occlusion mesh processor
  • Add option for grid agent to write log to file
  • Billboard cloud performance improvements
  • Add diffuse channel fallback in glTF importer
  • Mapping image is now available as expected after running pipelines in new or distributed process
  • Added support for TIFF files with deflate compression

# 9.1.25200.0

  • Unity
    • Plugin now creates a prefab for each LOD in a pipeline
    • Added support for scene nodes with identical scene paths
  • Maya
    • Added support for Maya 2022
    • Added more standard material channels (translucence, translucenceDepth, translucenceFocus)
    • Fixed color management overriding sRGB incorrectly
    • Disabled sRGB for transparency
  • UE4
    • New LOD Recipe feature: "Allow Morph Targets" - use it to decide whether or not to allow morph target in the LODs
    • Improved IncrediBuild support for Standin
    • New plugin setting to be able to choose distribution system (Simplygon Grid, FASTBuild or IncrediBuild)
    • Optimizations to mesh and texture data conversions
    • Fixed so a mesh that already belongs to a LOD recipe is now properly removed when the mesh is added to a new LOD Recipe
    • Fixed SimplygonEditorCommands crash bug
  • Blender
    • Pipeline loading stability fixes
    • Add default file extension to exported pipeline if missing in file name
    • Added Simplygon version to UI
  • Set weights crash fix
  • Improved memory usage for scenes with large amounts of materials
  • Processors preserve the texcoord levels of named texcoord fields when possible
  • Improved remesher memory allocation failure logging
  • Empty input material tables now throws an assert
  • Improved logging and output from Grid Agent service
  • Fix crash when using a geometry field node together with a filter node in a shading network
  • Fixed invalid black output when using a color caster on an FBX exported by Simplygon

# 9.1.22400.0

  • 3ds Max/Maya
    • Added TextureDirectory button and browser
    • Fixed issue when passing TextureOutputDirectory between UI and plug-in
  • Unity
    • Fix for material names in GeometryDataCaster
    • Support for prefab creation
  • FBX
    • Read material channel colors from FBX files
  • UE4
    • Fixed hardcoded path to SimplygonSDK inside the Simplygon module. The plugin should now work properly when putting it in project plugins folder.
    • Fixed plugin compile issues when disabling PCH usage
    • Added pipeline error checks. Errors should now be reported to the output log if a simplygon pipeline fails.
    • Removed redundant processing timer. Pipeline execution time is now reported once to the output log.
  • Fixed inconsistent UV borders for ReductionProcessor
  • Python SDK stability improvements
  • Move installer, Uninstall.exe and SimplyUpdate.exe to .NET 5 to avoid random start-up failures
  • Fix for field index verification in ShadingGeometryFieldNode

# 9.1.20400.0

  • 3ds Max
    • Preserving unmapped vertex color fields
  • Maya
    • Added support for color management
  • Unity
    • Texcoords now imported even if not used
    • Support for casting to other file format than PNG
    • Fix for invalid number of submeshes in LOD
    • Import method extended to better support custom scripting
  • 3ds Max, Maya and Unity
    • Fix for failing to import cascaded pipelines in UI
  • Support for indexed textures with bit depth 1
  • Support for Python 3.9

# 9.1.19200.0

  • 3ds Max
    • Support for materials with the same name
  • 3ds Max and Maya
    • Texture output directory option now available in the UI
    • Select processed meshes option now available in the UI
  • glTF
    • Fixed crashes when exporting skinned assets
  • New console input parameter for license application -DontSendTelemetry

# 9.1.17700.0

  • Blender
    • Extended BSDF material support
  • glTF
    • Added support for KHR_materials_clearcoat
    • Added support for KHR_materials_transmission
  • Fix for incorrect blending when using ETextureBlendType::Over
  • Memory usage optimizations
  • Added memory tracking tool

# 9.1.16600.0

  • Blender
    • Reduction template now works in Blender 2.91 and 2.92
  • Unity
    • All Simplygon namespaces are now available in the Simplygon.Unity.EditorPlugin.dll and can be used for scripting
    • The SPL/ini dependency is now removed from the editor plugin src for easy compilation
    • Fix for missing environment variables when running Simplygon in Unity for the first time
  • UE4
    • Fixed section info mapping for LODs with no material baking
  • FBXExporter
    • Fix for preserving scene units
  • GLTFImporter
    • Default material is now added to avoid crash if materials are missing
  • Added STL file format support
  • Fixed memory leak in color caster and DDS writer

# 9.1.14300.0

  • Welcoming Simplygon Free users to Simplygon 9
  • Unity / USD
    • Added support for texture wrapping (repeat, clamp, mirror) to USD
    • Path, WrapMode and SRGB are now texture specific
    • Fixed issue when using Unity's Unlit shader (caused by invalid color values in USD)
    • Fixes for root node rotation and scaling issues
    • Always add base color when using automatic casters
    • Fix for metallic/smoothness automatic casters and material channel name
    • Added check for USD 2.0 installation status
    • Documentation updates
    • Knows issues:
      • Unity.USD.Export ignores SRGB - USD implementation limited to detecting normal maps
      • Unity.USD.Import ignores WrapMode - USD fully support WrapMode
      • Unity.USD does not export offset and tiling - USD does not seem to support these
  • Blender
    • Fix crash when processing an asset without basecolor texture in Blender
    • Added warnings for unsupported material channels
    • Added checkboxes to the different reduction targets for StopCondition to function properly
    • Added processing progress tracking
    • Fixed automatic material casters
    • Fixed SingleViewImpostor view direction
    • Material caster deserialization fix
    • Fixes for processing issues with cascaded and non-cascaded processings
    • Documentation updates
  • Maya
    • Removed length limit of field names for UVs and vertex colors
  • GLTFExporter
    • Fix for opacity in basecolor alpha channel
    • Fix crash when exporting asset without basecolor texture
  • Add ability to run Simplygon Grid Agent as a service
  • Add option for setting FBX file format version when using FBXExporter
  • Added possibility to zoom images in documentation
  • Fix crash when trying to run a remeshing with ERemeshingMode::Inside on a mesh without an inside
  • Fix crash when processing in Houdini (add support for GlobalAttributes in bgeo files)
  • Fix material section info when processing static meshes via LOD recipes in UE4

# 9.1.9100.0

  • Support passthrough of animation data in glTF
  • Read access violation fix
  • Houdini plugin fixes;
    • Fix memory leak in HoudiniExporter
    • Fix for missing temp dir in HDA scripts
    • Added early check for triangulated input in HoudiniImporter
    • Fix for temp dir cleanup
  • Changes to ERemeshingMode::Manual due to known issues with the implementation in 9.1 (will be fixed in 9.2). See ERemeshingMode for more information.
  • UE plugin fixes;
    • Fix, incorrect section info mapping when using reduction pipeline from LOD Recipe
    • Fix, crash when using the plugin without a valid license
    • Fix, material baking settings was not reset correctly when removing all material property casters
    • Fix, reset mapping image settings when material baking is disabled
    • Chart aggregator is now using correct default values (same as aggregation)
    • Added LOD streaming settings to LOD Recipe
  • Fix serialization of tangent space global settings
  • General Unity plugin improvements related to material mapping, transparency, skinning and impostor processor support. Upgrade to Unity.USD 2.0.
  • General Blender plugin improvements including UI cleanup, progress tracking and normal maping fixes etc.
  • Improved memory usage for long running processes using Simplygon
  • Fixed issue with MaxEdgeLength causing bad outputs. Default is now REAL_MAX and setting removed from integration UIs.

# 9.1.6600.0

  • Support for Unity USD package 2.0
  • Fixed crash when appending packed geometry with very few vertices
  • Fixed issue with OpacityInAlpha in color caster

# 9.1.6200.0

# 9.1.5200.0

  • glTF texture packing improvements
  • Fixed crash in legacy remesher

# 9.1.4100.0

  • Blender 2.91 support
  • Fix for 3ds Max multi-material mapping issue
  • Fix for morph target issue
  • Unity impostor fix

# 9.1.3200.0

  • Blender fixes
  • glTF texture name handling

# Initial release (9.1.2600.0)

# Major updates

  • Standalone UE4 plugin
  • New impostor processor
  • Autodesk 3ds Max plugin (Max 2021 in preview)
  • FASTBuild and Incredibuild support
  • New integrations as previews: Blender, Houdini & Unity
  • New file formats: USD and Alembic

# Simplygon API updates

  • Ability to use opacity as transparency in material casters
  • Foliage processor is now part of impostor processor type: billboard cloud
  • Added posibilty to add meshes to CameraSelectionSets
  • Visibility support in new remeshing processor
  • Added method to dump a settings object as JSON
  • Added geometry field shading node
  • Added missing rotation methods to texture shading node interface

# Pipeline updates

  • Added batch API
  • Added support for metadata in pipeline settings
  • Added cascaded pipeline support in pipeline settings path
  • Arbitrary pipeline in cascade mode as intermediate
  • New setting for unique material names in pipelines

# Max plugin updates

  • Camera support for visibility
  • Automatic export of active selection sets
  • New impostor pipeline
  • Added support for legacy INI settings
  • Added support for physical material system in Max 2021 preview

# Maya plugin updates

  • Camera support for visibility
  • Automatic export of active selection sets
  • New impostor pipeline
  • ShaderFX/Stingray PBS documentation
  • Added support for legacy INI settings

# File format updates

  • Support for glTF KHR_texture_transform
  • Skinning support for glTF
  • glTF: Support for separate wrap modes
  • Support for Alembic and USD

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