The example of surface fairing demonstrates that this method is efficient and successful for evaluating the energy of subdivision surfaces.
曲面光顺实例表明，用该方法计算细分曲面能量高效可行。
This method includes two steps: surface fitting based on fairing constraint and adding offset to form the threshold surface.
这种方法首先对背景进行光顺限制的曲面拟合，再通过设置一个偏移量来形成阈值曲面。
The new method is calculated simply, the extended curve and surface is more fairing, and have less energy and more smooth curvature variation.
新方法具有计算量小，所得到的延伸曲线曲面更为光顺，并且具有更小的应变能和曲率变化率的优点。
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