This data category requires a high level national map. To satisfy this category, the following minimum criteria must be met:
- Scale of 1:250,000 (1 cm = 2.5km).
- Markings of national roads
- National borders
- Marking of streams, rivers, lakes, mountains.
- Updated at least once a year.
Data Location
https://www.landsd.gov.hk/mapping/en/download/openmaps.htmComments
Digital Topographic Map (B100k-OM) The B100k-OM is a topographic map of the Hong Kong Special Administrative Region. It shows the key geographical features and is suitable for map applications in 1:100 000 scale. The image for download is geo-referenced to the local coordinate system in Hong Kong 1980 Grid.
Digital Orthophoto Map (DOPM100-L0-OM) The DOPM100-L0-OM is an orthophoto map of the Hong Kong Special Administrative Region. It is mosaicked from geometrically rectified aerial photographs and constructed for measurement accurate to 1:100 000 scale. The image for download is geo-referenced to the local coordinate system in Hong Kong 1980 Grid. (Remark: The area beyond the Hong Kong territory is produced from Landsat-7 satellite image.)
Reviewer comments
The data is digital, public, free, online, and available in bulk, however, it is not machine readable, or openly licensed, and it is unclear as to updates.
Data Availability
Key:
- Yes
- No
- Unsure
- No data
Details
Date the data became available | Unknown |
Format of data | Unknown |
Reviewer | Gil Zaretzer |
Submitters | Rob Davidson |
Last modified | Wed Sep 23 2015 03:09:54 GMT+0000 (UTC) |