It has a definite value for raising the accuracy of triangulation in mountain area.
对提高山区三角高程测量的精度有一定的实用价值。
The triangulation method with using a laser is the most widely-used one in this area.
激光三角法测量原理是目前光学测量应用最广泛的方法之一。
Then triangulation is used for the calculation of a polygon's surface area, and viewshed analysis is carried out using the method of reference plane.
设计方案中对已有的数字高程模型进行加密内插，使用三角化方法来计算地表曲面面积，采用参考平面法实现区域通视分析。
Then triangulation is used for the calculation of a polygon's surface area, and viewshed analysis is carried out using the method of reference plane.
设计方案中对已有的数字高程模型进行加密内插，使用三角化方法来计算地表曲面面积，采用参考平面法实现区域通视分析。
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