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A Discussion of the Conversion between Two Kinds of Coordinate System

YU Zhi-lu

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Abstract

The second national land survey result data needs to use Xi′an geodetic coordinate system 1980,while the original coordinate system of surveying results is Beijing geodetic coordinate system 1954.In order to realize full,simple and convenient conversion of results between two types of coordinate system,and easy conversion parameter solving,this paper summarizes the conversion model and derives new parameter,facilitates the programming of coordinate conversion,and improves the accuracy of conversion.

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What this paper is about

The second national land survey result data needs to use Xi′an geodetic coordinate system 1980,while the original coordinate system of surveying results is Beijing geodetic coordinate system 1954.In order to realize full,simple and convenient conversion of results between two types of coordinate system,and easy conversion parameter solving,this paper summarizes the conversion model and derives new parameter,facilitates the programming of coordinate conversion,and improves the accuracy of conversion.

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Available abstract

The second national land survey result data needs to use Xi′an geodetic coordinate system 1980,while the original coordinate system of surveying results is Beijing geodetic coordinate system 1954.In order to realize full,simple and convenient conversion of results between two types of coordinate system,and easy conversion parameter solving,this paper summarizes the conversion model and derives new parameter,facilitates the programming of coordinate conversion,and improves the accuracy of conversion.

Key concepts: Coordinate system, Geographic coordinate conversion, Geodetic datum, Elliptic coordinate system, Ellipsoidal coordinates, Computer science, Data conversion, Coordinate space

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