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Why your contribution matters This project helps geotag photos of the Ebola outbreak so they can be displayed on a map.
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How to geolocalize an image
Locating a region
If you are unsure of the region where the photo was taken, we recommended perusing the
source article for any hints. If you do find the name of the location where the photo
was taken, you can use
(the Search tool) to quickly zoom in on it.
Changing the view mode
By default, you are presented with a map view that may not be useful in cases where you would
like to have a clearer view of the terrain. In these instances, it is possible to switch to either satellite
imagery with (the Satellite Imagery toggle)
or aerial imagery with
(the Aerial Imagery toggle). The downside to both satellite and aerial views is that imagery data may not always
be available. While this is particularly apparent for satellite imagery, in almost all cases, aerial imagery
can be used as a complement. In other words, try switching to the aerial view when no satellite imagery is available.
To switch back to the map view, you can use
(the Map View toggle).
Selecting an area of interest
Once you have located an area you would like to geolocalize, the goal is to draw an outline around it
as accurately as possible. To begin, start by clicking a point on the map to toggle draw mode.
This mode will allow you to draw a polygon around your area of interest. To finish drawing, you can
either double-click the last point of the outline, or click its first point to close the loop.
Please remember that only one outline can be drawn at a time. If the process is restarted, any
existing polygons will be deleted. You can also remove any drawings by
using (the Eraser tool).
If your viewport is too small, you can switch to full-screen with
(the Full-screen toggle). This tool is not available if your browser does not support full-screen mode!
Can you geo-localize the photo?
If you do not know how to answer this question, get some
You can learn more about this photo by visiting its source.
PROTIP In addition to and you can use the mouse wheel to zoom in and out.
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