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三维网格的直接剪切-粘贴

Keywords: 最小二乘法,重建,模型,剪切-粘贴

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Abstract:

为了方便快捷地对三维网格模型进行剪切-粘贴,提出了一种新的适用于三维三角形网格的剪切-粘贴方法,该方法把选取的源曲面的特征部分直接粘贴到目标曲面上.通过2个对应平面,源曲面的特征部分被转移到粘贴位置;利用局部网格表示的方法,在最小二乘意义下重建源网格;最后连接源曲面特征区域的边缘顶点和目标曲面上的粘贴区域受影响的顶点.该算法简单,交互性强,适用于任意拓扑结构的源网格,并且结果自然、失真很小.

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