面积量算工具，用于高斯投影下的多边形面积量算，其中包括两种数学计算方法。-the area-measurement tool is used to measure a polygon s area in gauss projection.it includes two kinds of mathematical algorithm

这是两年前做的东西，刚刚开始学习gis时导师布置的一个作业：莫霍面的一些分析处理！对初学者有用，呵呵～里面有坐标系的关键转换技术，自己建的数学模型自己实现，还有配套的文章发表，呵呵～-That was two years ago so things just started learning gis instructor at the layout of a work : Moho some analysis! Useful for beginners, Ha ha ~ coordinate s

Mathematical modeling of source

gis中实现栅格计算器的功能，对多个删格图层进行各种数学运算，ArcGIS Engine 开发平台-gis achieve grid calculator function, a plurality of layers Raster various mathematical operations, ArcGIS Engine Development Platform