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- 2018
椭球面上图斑面积计算方法的改进
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Abstract:
由于高斯投影存在面积变形，当面积精度要求较高时，需要在地球椭球面上进行图斑面积计算。通过对图斑椭球面积计算方法进行研究，改进了图斑面积的定积分近似计算方法，并利用改进的矩形法进行了实证分析。研究结果显示，与常规矩形法相比，改进的矩形法具有较高的计算效率，可以替代图斑椭球面积计算方法中的中间层算法和底层算法，简化图斑椭球面积的计算过程。借助C#语言的十进制数类型变量，利用改进算法获得了椭球面梯形面积的高精度可靠值。利用改进算法可以计算任意一大梯形图块的椭球面积，进而方便地计算任意图斑的椭球面积
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