Crease splitting enabled
当曲线有锐角点时,通过这些曲线产生的曲面会有锐边。CreaseSplitting 指令控制建立曲面的指令是否沿着曲面的锐边分割曲面。
When the input curve has a kink, the resulting surface will have a crease.
See: CreaseSplitting.