Ok thank you very much. I didn't know that openstreetmap site, API and core db interface were in ruby. Thank you for that piece that proves for a sufficient database storage precision for our indoor mapping project !!!
This is cool and both Lars and you answered quickly thanks. Jonathan On Mon, Nov 30, 2009 at 4:34 AM, Lars Francke <[email protected]>wrote: > > The only thing I see potentially getting in your way is that the OSM > > database doesn't store enough significant digits of lat/lon > > coordinates to make indoor mapping viable, but perhaps it does. I > > couldn't find documentation on how many digits it stores and how that > > translates approximately into real-world meters/centimeters. Perhaps > > someone else can chime in with that information? > > The code is here: > http://svn.openstreetmap.org/sites/rails_port/lib/geo_record.rb > Seven fractional digits are saved. That should be somewhere in the 1-3 > centimeter range depending on where you are and I believe that'll be > enough for indoor mapping :) > > Lars > > _______________________________________________ > dev mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/dev >
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