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Aerial Photo Flight Index Data Sheet

Product Name Aerial Photo Flight Index
Description The aerial photo flight index shows the aerial photo and flight information, including photo number, shooting position, photo coverage, date of flight, flying height etc., of the aerial photographs taken by Survey and Mapping Office (SMO).
Coverage Whole Territory of Hong Kong
File Formats .KML
.KMZ
.XLS (97-2003) / .XLSX – only shows the aerial photo information
File Name < year of flight >
e.g. 2016.KML
File Size .KML – about 450 MB
.KMZ – about 30 MB
.XLS (97 – 2003) / .XLSX – about 30 MB
Update Frequency On yearly basis
Data Attributes
1. PhotoNo: A unique ID for aerial photo
2. Easting: Hong Kong 1980 Grid Coordinates in metre
3. Northing: Hong Kong 1980 Grid Coordinates in metre
4. Longitude: WGS 84 Geographic Coordinates in decimal degree
5. Latitude: WGS 84 Geographic Coordinates in decimal degree
6. LocationEnglish: Location name in English
7. LocationChinese: Location name in Chinese
8. FlyingHeight: Flying height in feet
9. DateOfFlight: Year / Month / Day
10. Oblique: Indicating whether the aerial photo is oblique or no
11. FlightDirection: Direction of flight measured clockwise from north
12. PhotoScale: Scale of the aerial photo (For aerial photo taken before June 2016, photo scale only apply to DAP-L0 and full frame 1X paper aerial photograph)
13-14. Footprint1_Easting,
Footprint1_Northing:		 Hong Kong 1980 Grid Coordinates of photo coverage corner 1 in metre
15-16. Footprint2_Easting,
Footprint2_Northing:		 Hong Kong 1980 Grid Coordinates of photo coverage corner 2 in metre
17-18. Footprint3_Easting,
Footprint3_Northing:		 Hong Kong 1980 Grid Coordinates of photo coverage corner 3 in metre
19-20. Footprint4_Easting,
Footprint4_Northing:		 Hong Kong 1980 Grid Coordinates of photo coverage corner 4 in metre
21-22. Footprint1_Longitude,
Footprint1_Latitude:		 WGS 84 Geographic Coordinates of photo coverage corner 1 in decimal degree
23-24. Footprint2_Longitude,
Footprint2_Latitude:		 WGS 84 Geographic Coordinates of photo coverage corner 2 in decimal degree
25-26. Footprint3_Longitude,
Footprint3_Latitude:		 WGS 84 Geographic Coordinates of photo coverage corner 3 in decimal degree
27-28. Footprint4_Longitude,
Footprint4_Latitude:		 WGS 84 Geographic Coordinates of photo coverage corner 4 in decimal degree
Geo-referencing The file in KML and KMZ file format is geo-referenced to World Geodetic System (WGS84).
Navigation Tour The file in KML and KMZ file format provide a navigation tour along the flight lines.
Hyperlink The file in KML and KMZ file format provide a hyperlink to access Hong Kong Map Service 2.0’s website. Users can purchase the required aerial photos if needed.