dongqingtree 

A professional geodetic calculation libary about coordinate system's definition, conversion, projection, transformation functions of geodetic datum such as ITRF, WGS84, BDCS, ETRS, etc. This is a C# .net standard class library containing some professional geodetic algorithms on ellipsoid... More information

A basic libary about basic geodetic algorithm such as matrix, linear equation, adjustment, filter, etc. This is a C# class library containing some basic geodetic algorithms producted by Zhengzhou Insititute of Surveying and Mapping.

A basic libary about basic GNSS data processer such as NMEA 0183, Beidou message, etc. This is a C# class library containing some basic geodetic algorithms producted by Zhengzhou Insititute of Surveying and Mapping.

A basic libary about basic GNSS control network data proesser such as level net, triangle net, space net, etc. This is a C# class library containing some basic geodetic algorithms producted by Zhengzhou Insititute of Surveying and Mapping.