National Map 45% open

What data is expected?

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.

What data is available

•   Openly licensed? No (No URL given)
•   Is the data available for free? Yes
•   Is the data machine readable? No (n/a)
•   Available in bulk? Yes
•   Is the data provided on a timely and up to date basis? Unsure
•   Publicly available? Yes(as Digital Topographic Map (B100k-OM) published by Survey and Mapping Office , Lands Department)
•   Is data in digital form? Yes
•   Is the data available online? Yes (Here)
•   Does the data exist? Yes

Details

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.