[mkgmap-dev] Has anyone added a USA TIMEZONE overlay ontop of their custom maps?From greg crago gregcrago at gmail.com on Thu Jun 9 01:05:55 BST 2016
Great, how do I use a SHAPEFILE and assign it to a linetype 0x19 (a TIMEZONE linetype I have waiting) Greg On Wed, Jun 8, 2016 at 1:42 PM, Bill <bill-mkgmap at halibut.com> wrote: > > I found a shapefile of the timezones of the world: > http://efele.net/maps/tz/world/ > > > On 06/08/2016 03:17 AM, Colin Smale wrote: > >> >> According to wikipedia, timezone boundaries seems to be a rather complex >> subject in the USA, with some communities using an unofficial time as well >> as many variations of the application of Daylight Savings time... Indiana >> specifically is described in some detail on wikipedia . >> >> I agree with Marko, it would be good to have this in OSM. One way of >> doing it would be that the whole state of Indiana gets a "default" timezone >> with exceptions on the level of individual counties, but this would require >> some processing for the use case of "give the current UTC offset for this >> location". I think having a separate system of boundary relations >> (type=boundary, boundary=timezone) would be easier to process. But there >> will be many, many more than just the well-known timezones >> Eastern/Central/Mountain/Pacific/Alaska/Hawaii... >> >> //colin >> >>  https://en.wikipedia.org/wiki/Time_in_the_United_States >> >> On 2016-06-08 11:38, Marko Mäkelä wrote: >> >> On Tue, Jun 07, 2016 at 09:36:37PM -0400, greg crago wrote: >>> >>>> I do not know how to add adminstrative boundaries or relations, but it >>>> would be nice if these were added to the USA. INDIANA is divided >>>> between cities and county boarders. I was just hoping someone had done this >>>> and I would like to add this info to my maps. >>>> >>> >>> Indiana http://www.openstreetmap.org/relation/161816 does not have a >>> timezone=* yet. Maybe someone who is familiar with JOSM and the timezones >>> could do this? Because I do not live in the US, I am reluctant to change >>> the data myself. But I guess I could do it if nobody else steps up, and if >>> you can provide me with a comprehensive list of states (counties, cities) >>> and timezones. >>> >>> You see, I would want this data to be present in OSM, to benefit also >>> other users than those using mkgmap-generated maps. If we have the data in >>> OSM and if mkgmap starts to interpret it, then you would get the timezone >>> borders "out of the box". I do not think that timezone borders would add >>> any significant clutter to the map, so IMO they should be included in the >>> default style. >>> >>> Marko >>> _______________________________________________ >>> mkgmap-dev mailing list >>> mkgmap-dev at lists.mkgmap.org.uk <mailto:mkgmap-dev at lists.mkgmap.org.uk> >>> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev >>> >> >> >> _______________________________________________ >> mkgmap-dev mailing list >> mkgmap-dev at lists.mkgmap.org.uk >> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev >> > > _______________________________________________ > mkgmap-dev mailing list > mkgmap-dev at lists.mkgmap.org.uk > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.mkgmap.org.uk/pipermail/mkgmap-dev/attachments/20160608/dfea2a0f/attachment.html>
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