This thesis also presents an explicit formula that converts a triangular SBGB patch of degree n to a degenerate rectangular SBGB patch of degree nxn by reparametrization and the SBGB dual bases.
利用SBGB型基函数的对偶泛函，推导出SBGB三角曲面片到退化矩形曲面片的顶点转化公式。
This thesis also presents an explicit formula that converts a triangular SBGB patch of degree n to a degenerate rectangular SBGB patch of degree nxn by reparametrization and the SBGB dual bases.
利用SBGB型基函数的对偶泛函，推导出SBGB三角曲面片到退化矩形曲面片的顶点转化公式。
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