[HOT] West Africa Ebola Outbreak - Task Manager job for Kayes, Mali
ceyockey at comcast.net
Sun Oct 26 17:09:38 UTC 2014
This is a general issue with _areas_ where the entire area is potentially traversable and would benefit from being tagged as being permissive for vehicular traffic. In developed areas, this applies to, for instance, large expanses of concrete as in parking lots or tarmacs. Wondering what a general solution might be for tagging an expanse as generally traversable as opposed to selecting one or another specific path through such a generally traversable area. Regards --ceyockey
----- Original Message -----
From: "Pierre Béland" <pierzenh at yahoo.fr>
To: "HOT Discussion list" <hot at openstreetmap.org>
Sent: Saturday, October 25, 2014 5:18:41 PM
Subject: Re: [HOT] West Africa Ebola Outbreak - Task Manager job for Kayes, Mali
Upon activation for Mali in early 2013, we had had to trace the road network in sandy areas. Our African colleagues familiar with these conditions at the rainy season where the drivers go in all directions to avoid the ruts , leave traces that resemble spaghetti .
For mapping Kayes , Task 711, I see this same situation. When you trace the road netwrok, you need to think about what is important to represent among all the traces that you see. If a driver avoids the center of the road and set a new trace , then a second, third , etc. or another takes a shortcut , we should not represent all these derivations on the map.
See the example below where the too many traces resembles to spaghetti . Be careful and retain what is significant .
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