[HOT] Getting current satellite data after an emergency

Ortiz, Andres - (p) andreso at telenav.com
Fri Sep 18 17:58:02 UTC 2015

Hi Edwin,

We’re actually facing this exact same issue for an earthquake simulation we’re doing tomorrow in Mexico City [1].

Please also consider this; as far as I know, satellite Image providers (like Digital Globe) could provide their data the fastest way as WMS , however that’s only useful for editing with JOSM and not with ID editor.
Another thing you have to consider is that the satellite image is provided already ortorectified otherwise that’s another step you need to perform on the images before jumping to use them.

Mapbox provides their satellite image layers over TMS

Take a look at this article[2], they talk about the use of the images from Digital Globe for Turkey’s earthquake HOT OSM activation.


Andres Ortiz Haro
Telenav Mexico

[1] https://wiki.openstreetmap.org/wiki/EN:Mexico_Earhquake_Drill_2015
[2] http://hotosm.org/fr/node/86

From: Severin Menard [mailto:severin.menard at gmail.com]
Sent: Friday, September 18, 2015 2:53 AM
To: Edwin Wisse
Cc: hot at openstreetmap.org
Subject: Re: [HOT] Getting current satellite data after an emergency

Hi Edwin,
A few people are testing the use of Sentinel imagery for potentiel use in OSM and I guess they will provide some feedback afterwards.

On Mon, Sep 14, 2015 at 10:14 PM, Edwin Wisse <edwin at kandedifang.com<mailto:edwin at kandedifang.com>> wrote:

In the past i have participated in some missing maps and hotosm tasks. However, i have often found it difficult to distinguish between terrain types in areas i do not know. For example, along a river in Central Africa vegetation marks the low water river banks, the area behind it can flood during high water. In a missing maps task the task was to map these areas to identify sleeping sickness vulnerable areas. This cannot be done well using a single dataset for a single date of aerial images. The instructions in the task descriptions are very helpful but sometimes not enough. One needs more information than aerial photos provide.

Presently there is an increasing number of satellites providing more and more information. The european Sentinel series provides both radar and visual imagery and various dataproducts derived from that imagery. These information products are used in emergency situations. The humanitarian openstreetmap tasks benefit from a simple mapping client like the in-browser iD editor. id gives the user a choice in background layers, by default a user can choose between bing, mapbox and mapquest.

Do you think it would be beneficial if satellite data products like Sentinel derived information were available in an in-browser openstreetmap editor like iD? I think information products like vegetation maps, soil moisture, etc would provide useful background information and could be described well enough in the task instructions.

Best regards,
Edwin Wisse

Edwin Wisse
N 52 48'02.69"   E 6 3'16.33"

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