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[Maposmatic-dev] [bug #35211] The same amenity should appear only once i

From: David Mentré
Subject: [Maposmatic-dev] [bug #35211] The same amenity should appear only once in index
Date: Sun, 01 Jan 2012 18:24:39 +0000
User-agent: Mozilla/5.0 (Ubuntu; X11; Linux x86_64; rv:8.0) Gecko/20100101 Firefox/8.0


                 Summary: The same amenity should appear only once in index
                 Project: MapOSMatic
            Submitted by: dmentre
            Submitted on: dim. 01 janv. 2012 19:24:38 CET
                Category: ocitysmap
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: Confirmed
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: None
         Planned Release: None



Sometimes, an amenity is visible as several OSM polygons, e.g. for a town
hall. As far as I know, this is correct OSM practice. When the index is build,
those polygons are in the same grid square and thus the amenity appears
several times.

As an example, "Mairie" of "Mondevert" map appears three times in D4:
  Mondevert map:

We should avoid such duplicated amenities (same name, same grid square).

When doing database request we should filter out such duplicated amenities, or
do it in a post-process phase.


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