Pixar 公布 RenderMan 21

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皮克斯透露了一些RenderMan 21的新功能细节，下一版重量级产品渲染器，包括GPU加速降噪，并支持开源着色语言(OSL)。

Pixar has released details of some of the features coming up in RenderMan 21, the next release of its heavyweight production renderer, including GPU-accelerated Denoise and support for Open Shading Language.

A ‘game-changing’ releaseIn its latest community newsletter, Pixar describes RenderMan 21 as a “game-changer and the biggest RenderMan release in years”, including over 60 new features.

Of the 60, the newsletter only lists nine, but there are some interesting things in there, including GPU support for Denoise, the so-called “make pretty” button introduced in RenderMan 20.

Denoise enables users to set lower sampling values for raytracing renders, resulting in a faster but noisier raw image, which Denoise then cleans up as a post-process.

Pixar cited a speed boost of 2-10x for the original CPU-based implementation of Denoise over simply cranking up the sampling values, so it will be interesting to see how much difference the GPU makes.

Support for OSL and Pixar’s in-house materials and lightsOther notable features include support for Open Shading Language, developed at Sony Pictures Imageworks, and currently supported in Arnold, V-Ray and Blender’s Cycles renderer.

The newsletter also mentions new materials and lighting workflows featuring the same presets used in production at Pixar; improved displacement; and performance boosts when rendering volumes.

Of the bridging plugins to other DCC tools, the user interface of RenderMan for Maya gets a “comprehensive redesign”, and RenderMan for Katana gets an “improved live render experience”.

官网：http://us5.campaign-archive2.com/?u=3c3aeb982758865db63ad4334&id=4b889e9c75

xianao

很不错的渲染神器！感恩站长！