[mkgmap-dev] Tags hiding roads?From SomeoneElse lists at mail.atownsend.org.uk on Mon Nov 7 13:15:32 GMT 2011
David Fletcher wrote: > I'm getting the impression that, for an ordinary user who wants to > make contributions to the Open Street Map community then reap the > reward of free mapping, what I will call "the system" as a whole is a > little inaccessible. > As for Open Street Map / Garmin maps, I think that if a road is > rendered as expected on the web site, it is reasonable to expect that > same road to appear on my Garmin device without an ordinary user / > contributor having to go delving into the technicalities to get it to > work properly. Part of the problem is that OSM isn't "a map" but instead "some data". The default mapnik rendering on www.openstreetmap.org is just one example of a map that can be created from that data. It doesn't render everything and it wouldn't make sense for it to. The same's true of Garmin maps - no one Garmin map can be ideal for everyone (for my own use I create different ones for walking and driving, for example) > At this time, I have no idea at all what a style is or how it affects > the working of mkgmap. The beginners' documentation for mkgmap isn't very newbie-friendly, though http://wiki.openstreetmap.org/wiki/Mkgmap/help/How_to_create_a_map and http://wiki.openstreetmap.org/wiki/Mkgmap/help/Custom_styles are definitely worth a read if you've not seen them already. Without doing anything too complicated it's possible to figure out how to add new entries to one of the style files so that "thing X" gets rendered a bit like "thing Y" but as a different Garmin item. As well as this list there's also the OSM help site http://help.openstreetmap.org/ and the Garmin forum on the OSM forum site http://forum.openstreetmap.org/viewforum.php?id=26 of course. The help site (and probably the forum too) gets users of all levels of familiarity with the software from "someone told me I can get free Garmin maps here" upwards. Cheers, Andy
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