Web-based Transformation Tool

Version 3.4

  Geodetic Survey Section
  Lands Department
Coordinates Transformation API
This is a service to conduct coordinates transformation using HTTP request. For more details, please refer to manual
Note:
1. WGS84 (ITRF96) reference frame refers to epoch 1998:121
2. Vertical Datum transformation is only available between WGS84 (ITRF96) Geographic Coordinates and HK1980 Grid Coordinates
Please complete the following selection.
Transform From:
Transform To:
Datum (Vertical)
Data Input
Microsoft Internet Explorer does not support File Upload option.
User Selection
Transform From:
Transform To:
Note:
Vertical Transformation Geoid model refers to HKGEOID2016_SMO20170726
Note:
Ellipsoidal Height is set to zero for computation
User Keyin Table

Point ID

Zone

Zone

Zone

Zone

Remark

Step 1: Select File
Note:
1. Your submitted file MUST contains column

.
2. Name of column is case insensitive.
3. The order of columns is insignificant.
4. Vertical Transformation Geoid model refers to HKGEOID2016_SMO20170726
Error:
Please check the header of your submitted file.
Error:
The size of submitted file must be less than 1 MB.
Error:
Unknown error. Please contact geodetic@landsd.gov.hk for support.
Step 2: Computation

Step 3: File Download
Processing... Please Wait.
Only the first 10000 records were computed.