Ordnance Surveyâs OS Terrain 5 Contour is a dataset representing the physical shape of the real world. The dataset includes contours (5 metre interval), spot heights, and high and low water marks. The DTM data is captured from Ordnance Surveyâs large scale aerial imagery. The product is updated and maintained quarterly.
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FAQ
Frequently Asked Questions
Some basic informations about API Store ®.
Operation and development of APIs are currently fully funded by company Apitalks and its usage is for free.
Yes, you can.
All important information such as time of last update, license and other information are in response of each API call.
In case of major update that would not be compatible with previous version of API, we keep for 30 days both versions so you will have enough time to transfer to new version. We will inform you about the changes in advance by e-mail.