[Maposmatic-dev] [task #10660] Add "GeoHash" layout

[David Decotigny]

URL:
  <http://savannah.nongnu.org/task/?10660>

                 Summary: Add "GeoHash" layout
                 Project: MapOSMatic
            Submitted by: daviddecotigny
            Submitted on: Wed 06 Oct 2010 04:24:22 PM GMT
         Should Start On: Wed 06 Oct 2010 12:00:00 AM GMT
   Should be Finished on: Wed 06 Oct 2010 12:00:00 AM GMT
                Category: ocitysmap
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00

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Details:


>From E. Legoupil on contact ml, in French:
«
1. L'utilisateur peut choisir s'il veut inclure une grille carre bataille
navale (et la pas de changement avec le systeme actuel) ou une grille Geohash
(on creerait donc un deuxieme scenario)
2. S'il choisit Geohash, il peut éventuellement définir le niveau de
précision de la grille
3. Sur la carte, la reference Geohash de chaque case est imprime dans un
style léger
4. Meme dans le cas de grille Geohash, il faudrait garder la numerotation
style bataille navale de la grille et qui serait utilise comme dans l'index
actuel
»

The "battleship" grid for the index corresponds to the topmost geohash grid
represented on the page. And the geohash grid precision (nb of bits) could
automagically be determined such that lsb is roughly 1/50th the smallest
dimension of the page. Additionally, the CSV index could also mention the
full-precision geohash (hash length 8) coordinates of the items, in addition
to the battleship grid coordinates.

In maposmatic, it would also be nice to be able to enter a bbox as a geohash
instead of a city name or lat/long bbox.

Core devs: relevant thread is
http://lists.nongnu.org/mailman/private/maposmatic-contact/2010-October/000900.html




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