Cinema4D阿诺德是一款高级的蒙特卡洛光线追踪渲染器，专为长篇动画和视觉效果的要求而编写。

更新支持Cinema 4D R19,SolidAngle C4DtoA 2.2.3使用Arnold 5.0.2.2 。

最初与索尼影业联合Imageworks开发，现在是他们的主要渲染器,阿诺德用于全世界超过300个工作室，包括ILM,Framestore, MPC, The Mill和Digic Pictures。

阿诺德是主要的渲染器在多的电影。

可作为一个独立的渲染器运行在Linux,Windows和Mac OS X,或者作为Cinema 4d r19，Maya, Softimage, Houdini 和 Katana插件。

C4DtoA 2.1版本开始不再支持C4D R16，增加支持C4D R19，如果安装后C4D 打不开，请先卸载插件，然后把C4D更新到最新版本，最后重新安装插件即可

新功能：

Add UI to run noice from the application

性能提升：

Add Displacement and Subdivision options to the procedural parameter overrides

Allow overriding the whole shader array on the procedural parameter overrides GUI

Add a checkbox to the EXR driver to create all AOVs for noice

Add ‘Uniform scale’ option to triplanar, uv_transform and image shaders

Support for the Parallel, Isometric and Dimetric camera projections

Support default OCIO color spaces

Add Install Trial License dialog

Bug修复：

Optix denoiser conflicts with other plugins

Render error with older Nvidia driver

Inconsistent object mask AOV filter

Export polygon selections when no shader is assigned to them

Thin Walled SSS geometry is destroying mattes

IPR does not update when an instanced procedural is removed

Crash with AOVs when rendering takes in Team Render

Crash on OSX when taking a snapshot in the IPR while adaptive sampling is higher than 9

Crash in the IPR when rendering AA_inv_density AOV with a heatmap filter

Light linking does not work with Box and Sphere type volumes

Crash when ASS export is interrupted

Do not use the global namespace for procedurals

The Left, Front, Top, etc. camera projections do not respect the viewport rotation

Use the default string of the AOV type parameters as the AOV name

Crash on exit when procedural parameter overrides are used

IPR crash with instances in a heavy scene

Do not animate Alembic in the viewport by default

X-Particles scene renders extremely slowly when you enable motion blur

Scene with XP Generator object and XP group crashes when exporting to ASS

Set the current working directory when loading or changing a scene