The shimmer and sheen of both fabric and skin depend on the geometry of their internalstructuresthe exact arrangement of threads or protein fibres.
皮肤和面料的微光及光泽都取决于它们内部的几何结构织线或蛋白纤维的精确排列。
This is hard to model accurately.
这种模型很难精确地建立。
Steve Marschner and his colleagues at Cornell University have, though, come up with a wayto get round that problem.
不过康奈尔大学的史蒂夫?马施纳及其同事们发现了一个解决此问题的方法。
Instead of modelling, they are copying.
他们不是建立模型而是采用拷贝技术。
They are using computerised tomography to analyse the structures of fabrics at highresolution and then plugging the results into CGI.
他们利用电脑断层扫描术以高分辨率分析面料的结构,然后将结果输入到计算机影像生成系统。
That, allied to the laws of optics and some heavy-duty computer power, seems to do thetrick.
结合光学定律和强大的计算机处理能力,这种方法似乎能够达到理想效果。
Computerised tomography is most familiar as a medical technique for examining people sinsides.
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