One simple tip for modeling the wood slates was to tessellate the faces and then add a small noise on the vertex so we can get a nice random surface that gives some realistic look of old wood.

再创建木板有一条小建议：在表面附上纹理并在顶点加一些噪点，这样表面更随机看起来像真实的老木头。

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Interpolation to vertex positions and normals is one of important contents in parametric surface modeling.

顶点位置和法向插值是参数曲面造型的重要内容。

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But surface generation requests through a series of curves, and it finally produces control vertex and node vector satisfied with surface request.

而蒙面曲面的生成则要求生成的曲面通过一系列的曲线，它最终生成曲面所需要的控制顶点和相应的节点矢量。

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