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基于网格模型的三维区域面积测量 被引量:1

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摘要 提出一种基于网格模型的物体区域面积计算方法,首先通过人机交互选取区域特征点,根据特征点生成整个区域的边界,采用平面与网格求交线的方法生成两点间最直的测地线,用测地线圈划整个区域的边界。重建被切割后的区域网格,通过区域生长法得到区域内所有三角面片的拓扑信息和坐标信息,将所有小面片的面积相加得到整个所选区域的面积。创新之处在于运用改进的网格切割算法,在切割过程中通过不断修正切割面使生成的切割线达到最优。实验证明,所提方法可行,可有效计算三维物体表面的区域面积,相对误差较小。
出处 《软件导刊》 2016年第2期98-101,共4页 Software Guide
基金 国家自然科学基金项目(81372057)
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参考文献12

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