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Lands Department

Web-based Datum Transformation Tool

Physical

The Web-based Transformation Tool provides an instant conversion between various coordinate systems / datums. The Transformation Tool uses the conversion methods, parameters and formulas listed in the "Explanatory Notes on Geodetic Datums in Hong Kong" (PDF) and the "Datum Transformation and Transformation Parameters" (The "7-parameters") (PDF) as well as the Geoid Model established by the Hong Kong Polytechnic University. It can convert up to 10 point coordinates at one time. It is only applicable for coordinates within Hong Kong.

Category
Risk - Physical
Format
PDF
HTML
Data Owner
Lands Department
Possible Use Case
Location Risk Assessment
Physical Risk Assessment
Geographical Location
Local
Data Resource(s)
Title
Format
Transformation Tool (Version 3.4)
API
User Manual
PDF
Last update : 07 December 2023
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