In this paper, a new method is put forward, which aims at the complicated problem about space Angle calculation appearing in mechanical engineering and its application is analysed.
本文针对机械工程中出现的复杂度较高的空间角度计算问题，提出了一种解决的新途径即球面图法，并着重分析了它的应用。
Compared with the whole attitude Angle matching recognition methods, the proposed method need small memory space and small calculation time.
与一维距离像全姿态角匹配识别方法比较，具有计算量、存贮量较小的特点。
Applying MDT API, the method of the developing CAD system is discussed with emphasis on. The spherical triangle arithmetic is presented hi the fixture assembled vision calculation of space Angle.
重点讨论了应用MDTAPI进行CAD系统的开发方法，提出了球面三角算法在夹具组装中空间角度的可视化计算中的应用方法。
Applying MDT API, the method of the developing CAD system is discussed with emphasis on. The spherical triangle arithmetic is presented hi the fixture assembled vision calculation of space Angle.
重点讨论了应用MDTAPI进行CAD系统的开发方法，提出了球面三角算法在夹具组装中空间角度的可视化计算中的应用方法。
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