3.2.1

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C4DtoA 3.2.1 uses Arnold 6.1.0.1 and is a minor feature release introducing enhancements of displaying layer_rgba shader blending modes, more controls of loading file sequences in procedurals and volumes and a variety of fixes, including fixes for the Arnold Scatter object.

Installation

Autodesk Network Licensing in Arnold 6 requires new license files with an updated 2020 version. Please follow the instructions on this page to generate your license file. More info about Arnold 6 licensing can be found here. 

System Requirements

  • Cinema 4D
    • R20.057 and above
    • R21.026 and above
    • S22.016 and above
    • R23.008 and above

  • Windows 7 or later, with the Visual Studio 2019 redistributable.
  • Linux with at least glibc 2.12 and libstdc++ 3.4.13 (gcc 4.4.7). This is equivalent to RHEL/CentOS 6.
  • OSX 10.11 to 10.15. Note that macOS 11 Big Sur is not certified.
  • CPUs need to support the SSE4.1 instruction set.
  • GPU rendering works on Windows and Linux only and requires an NVIDIA GPU of the Turing, Volta, Pascal, or Maxwell architecture. We recommend using the 455.38 or higher drivers on Linux and 457.09 (Quadro), 457.30 (GeForce) or higher on Windows. See Getting Started with Arnold GPU for more information.
  • Optix™ denoiser requires an NVidia GPU with CUDA™ Compute Capability 5.0 and above.

Enhancements

  • Grouped layer_rgba blending modes: Blending modes (operations) in the layer_rgba shader are grouped by their effect (e.g. darken. lighten, contrast, etc.) instead of just listing them alphabetically. (c4dtoa#2176)
  • Default layer_rgba operation changed to overwrite: The default operation in the layer_rgba shader is new 'overwrite' instead of 'over' to be consistent with the other layer shaders. (c4dtoa#2249)
  • Export variance filter of non-beauty AOVs: Non-beauty AOVS (e.g. diffuse, etc.) can now be denoised with the Arnold denoiser after exporting a sequence with the Arnold EXR driver and 'Output Arnold Denoiser AOVs' turned on. (c4dtoa#2257)
  • Make sequence detection in path optional for procedurals and volumes: A new Animation checkbox is added to the Arnold Procedural and Arnold Volume objects. A sequence is loaded only when Animation is turned on. Numbers in paths are not replaced with #### character automatically.  (c4dtoa#2268)
  • Remove auto sequence detection from the scene export dialog: Numbers in paths are now not replaced with #### characters automatically when selected in the Scene Export dialog. (c4dtoa#2285)
  • Add animation setting to Render Selected Objects: Animation settings (frame start, frame end, etc.) are added to the Background Image field of the Render Selected Objects feature in the render settings, which allows to load a sequence of images as the background. (c4dtoa#2286)

Bug Fixes

  • c4dtoa#2258 Renders trigger breakpoints when debugging from Visual Studio

  • c4dtoa#2262 IPR does not update sometimes when editing imagers in the IPR window

  • c4dtoa#2266 New available plugin version is not detected in R23

  • c4dtoa#2269 Wrong normals in Arnold Scatter object with a polygon selection tag

  • c4dtoa#2270 Cannot get instance color from a texture in Arnold Scatter

  • c4dtoa#2271 Crash when changing VDB to relative path in Asset Manager

  • c4dtoa#2284 GPU IPR crashes when editing a mesh light under a cloner

  • core#10125 Bad chromaticity detection when linear and narrow color space are the same
  • core#9979 Crash when missing config in color_manager_ocio
  • core#10140 Crash with quad_light and IPR
  • core#9634 [GPU] OSL texture lookup crashing on a subsequent renders
  • core#10050 [GPU] Crash in displacement in when using tracing shaders in the scene
  • core#10128 [GPU] Curvature shader slows down render
  • core#10060 [GPU] Improve handling of stack overflow exceptions
  • core#10118 [GPU] Improve NVML detection
  • core#10196 [GPU] Light disappears during GPU IPR after modified
  • core#10163 [GPU] Single channel float texture artifacts
  • core#10231 [GPU] Texture and exception handling errors using multiple GPUs without NVLink
  • core#10146 Fixed a hang in crash handler
  • core#10175 Mix of two standard_surfaces with transmission hangs the render
  • core#9982 Negative values with thin_film and transmission
  • core#10165 [OSL] Artifacts when using randomwalk_bssrdf in OSL
  • core#10159 Random crash in subdivision after render interruption
  • core#10124 Surfaces with transmission depth can disappear with nested dielectrics on CPU
  • usd#592 Invalid face-varying primvars crash the render delegate
  • usd#596 Invalid USD is produced if polymesh is made of triangles and nsides is empty
  • usd#481 std::string, TfToken, and SdfAssetPath typed VtArrays are not converted when setting primvars

 

There's a known bug in Cinema 4D R23.008, that plugins are not loaded automatically in Team Render Client and Commandline render. The plugins folder (e.g. c:\Program Files\Maxon Cinema 4D R23\plugins) has to be added manually.

 

In Team Render Client go to File -> Preferences... -> Plugins -> Search Paths -> Add Folder...

 

For Commandline, specify the g_additionalModulePath environment variable.

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