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FME 坐标系使用（二）----关于Beijing54坐标系和Xian80坐标系说明的补充
http://blog.163.com/antufme@126/blog/static/14049249220105308434902/根据坐标系的定义规则，这两种坐标系都定义了椭球体参数，基准面参数和投影参数。以75度带为中央经度线，高斯投影为例，具体如下：一、Beijing54坐标系1. 椭球体参数：Ellipsoid Parameter转载 2012-08-26 10:29:43 · 3961 阅读 · 0 评论 -
WGS 84 EGM96 15-Minute Geoid Height File and Coefficient File
http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm96/egm96.htmlWGS 84 EGM96 15-Minute Geoid Height File and Coefficient FileThe NGA/NASA Geoid Height File consists of a 15-minute grid of转载 2013-10-17 21:07:06 · 3259 阅读 · 0 评论