[OSM-talk] Vandalism

[Mike Thompson]

On Sun, Feb 28, 2016 at 3:17 AM, Jean-Marc Liotier <jm at liotier.org> wrote:

> On 26/02/2016 22:21, Mike Thompson wrote:
>
>> Thanks!  I haven't found any valid edits from this user.  He/she has been
>> tagging any patch of bare ground as building=house.  In some cases there
>> might be a building inside that bare patch of ground (difficult to tell
>> with the imagery), but in most cases there is nothing.
>>
>
> Be careful about that - imagery in the less privileged parts of the world
> often lags quite a bit... On the ground in Dakar I see quite a different
> picture from what I get from Bing orbital imagery.
>
> But I haven't looked at that particular user.
>
Good advice, but in this case I don't think that is what was going on.
* The "buildings" they drew are irregular shaped.
* The "buildings" roughly match the shape of clearings in the forest on the
2013 DG imagery provided for the project in the HOT Tasking Manager.

Mike
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