Chaos Group 推出 VRscans 扫描服务
Chaos Group又推出新项目，扫描服务，获取真实世界的材质，主要用于产品设计和可视化行业。
.vrscan文件 都支持Vray渲染，for Max和Maya。
Chaos Group has launched VRscans, a new service for creating accurate digital representations of real-world materials, aimed primarily at the product design and visualisation industries.Unlike readymade online material libraries like Substance Share or Quixel’s work-in-progress Megascans, scanning is performed on demand to a user’s specifications.Ultra-accurate digital representations of fine material surface detailsUsers can send in physical samples of the materials they want scanned, and Chaos Group will send back a .vrscan file that can be rendered in V-Ray for 3ds Max or V-Ray for Maya.The .vrscan format implements a bidirectional texture function (BTF): a six-dimensional representation of how a material’s surface appearance changes according to viewing angle and the angle of illumination.(For comparison, the BRDF function emulated by standard shading models such as Blinn, Ward and GGX, is a four-dimensional representation of a material’s surface properties.)In practice, that means sub-millimetre-accurate representations of fine surface detail like bumps and scratches.According to Chaos Group, “VRscans combines precise optical hardware with proprietary software material’s … surface texture, reflectivity, dimensionality, and its unique response to light.”官网：http://www.vrscans.com/
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