- 法向量
- 法向矢量, 标准矢量
- 法向向量
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normal vector中文什么意思
例句与用法
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- This algorithm has higher efficient than the method which uses tool path envelope intersection with normal vector of surface of geometry model and has higher verification precise than the method that uses tool path envelope intersection with z direction vectors
其运行效率高于用几何模型法向量与刀具扫掠体求交的方法，验证精度大于用z坐标方向矢量与刀具扫掠体求交的算法。 - By means of the transformation from the focal coordinate system to the observation system , we obtained the external normal vector of the focal fault plane expressed in its observation system , and obtained the macrodamage degree of the researched block , which is calculated in dyadic
由震源坐标系表示的震源断层面换算到观测坐标系得到其外法向矢量，可求得研究地块以地震裂纹密度张量计算的宏观损伤度的变化。 - First , all topological features in the original mesh model are stored , then sort all the edges according to the importance of vertex , finally delete the edges which lead to sliver triangle and which lead to the discontinuity of triangle normal vectors
该算法首先保存原始网格模型中所有顶点的拓扑特征,然后根据顶点的重要度对所有的边进行排序,通过检查是否产生狭长三角形和三角片的法矢是否连续来判断边是否被删除。 - The approach to exactly calculate geometric parameters of subdivision surface , such as limiting point , tangent vector and normal vector , are illustrated . ( 2 ) the number of geometric elements ( vertex , edge , facet ) within control mesh grows exponentially as the increase of subdivision levels in general subdivision schemes
( 2 )在正常的曲面细分过程中，控制网格上几何元素(顶点、边、面)的数量是按照几何级数增加的，会产生庞大的冗余数据。 - Then a new system of nonlinear equations can be formed from the variation gray of same point in multiple images and the optimum solution of the system can be obtained from gauss - newton and levenberg - marquardt algorithms , so that the normal vector at that point of the surface can be defined
再根据多幅图像上固定位置一点的灰度值变化列多个非线性方程，以gauss - newton算法和levenberg - marquardt算法为基础求非线性方程组的最优近似解，将选取点的法向量确定下来。