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：

Split large still images over frames

性能提升：

Set light as the viewport camera in the Light Manager

Customize columns in the Light Manager

Customize visibility of IPR toolbar items

Add reload textures button to the IPR toolbar

Center render region in the IPR

Add link to the Arnold Answers site to the Help menu

Support for the C4D render region in the IPR

Support for the Noise shader in the C4D material alpha channel

Support for Invert and Image Alpha in the C4D Material alpha channel shaders

Set ASS export ‘Export Object Hierarchy’ flag via python plugin

Bug修复：

IPR crash with Lathe object instances

IPR does not update properly when a light is used as the camera

Docked Light Manager cannot be saved in a layout

XP particle color does not match the IPR and PV

Cached XParticles are not exported to ASS file

Can not use a relative path in Arnold drivers with Render Queue

Can not begin paths with an environment variable

Display proper error message for TurbulenceFD Learning Edition