sounds good. I think some of the county borders are already in the map as overlapping Ways, and I was planning on cleaning those up eventually.
On Wed, Oct 19, 2011 at 9:05 AM, Metcalf, Calvin (DOT) <calvin.metc...@state.ma.us> wrote: > Yeah ways on top of ways would be bad, I grabbed the massgis arcs from survey > points without coast which is a file that has just the linework with off > shore boundaries, the ways are currently already split at junctions, my > method is going to be > 1. take out counties boundaries and state boundary > 2. take out boundaries already in > 3. check to see if anything already there corresponds to the border (river > etc) > > Would that be helpful or am I missing the source of duplicate ways/need for > splitting? > >>-----Original Message----- >>From: peter.dobr...@gmail.com [mailto:peter.dobr...@gmail.com] >>On Behalf Of Peter Dobratz >>Sent: Wednesday, October 19, 2011 8:56 AM >>To: Metcalf, Calvin >>Cc: talk-us@openstreetmap.org; impo...@openstreetmap.org >>Subject: Re: [Talk-us] Mass towns >> >>http://wiki.openstreetmap.org/wiki/Shp-to-osm.jar >> >>It's basically just a Java command-line program that reads in a .shp >>file and produces an .osm file. It can use a configuration (rules) >>file that allows you to map attributes in the .shp to tags in the >>.osm, but I just create an empty rules file and add appropriate tags >>manually. >> >>If you find it easier to add Ways without Relations first that would >>be useful. But I would avoid adding Ways on top of each other, as it >>would seem like just as much work to start from scratch instead of >>having to split Ways and delete duplicate Ways before adding them to >>Relations. >> >>On Wed, Oct 19, 2011 at 8:14 AM, Metcalf, Calvin (DOT) >><calvin.metc...@state.ma.us> wrote: >>> So on ubuntu you can open up a self extracting exe with >>archive manager (I smacked myself in the head when I learned >>that, turns out massgis makes them on linux). I'm not >>familiar with shp-to-osm.jar link? I've been using Merkaartor >>to convert, but that usually forces me to then use kate or >>gedit to clean up the tags it makes. I wasn't going to add any >>extra tags except maybe population (so that a renderer could >>use the relations to label). Would it make sense for me to >>add the ways now with relations to come as people are able, or >>does that sound like it wouldn't save much time? >>> >>>>-----Original Message----- >>>>From: peter.dobr...@gmail.com [mailto:peter.dobr...@gmail.com] >>>>On Behalf Of Peter Dobratz >>>>Sent: Wednesday, October 19, 2011 8:06 AM >>>>To: Metcalf, Calvin >>>>Subject: Re: [Talk-us] Mass towns >>>> >>>>I had just added Tyngsborough and Dunstable and my plan was to work >>>>along the NH/MA border downward, especially over the winter when it's >>>>harder to go out and see things with the snow accumulation. I also >>>>plan on continuing to clean up NH towns as people often import them >>>>such that you have lots of overlapping Ways. >>>> >>>>For NH towns, I had been starting with the TIGER shapefiles. >>>>Generally I open the .shp file in QuantumGIS, then select a town and >>>>save it as a .shp file using EPSG:4326 - WGS 84 coordinates. Then I >>>>run this .shp file through Shp-to-osm.jar with a blank rules.txt. >>>>This gives me an OSM file without tags that I can open in JOSM in a >>>>separate layer. If there's already a Way in the map (mostly from a >>>>border of a neighboring town), then I split and re-use part of the >>>>existing way and add them to a relation. If there are 2 or more >>>>overlapping Ways in the map, then I delete all but one of >>them and add >>>>it to multiple relations. If the way doesn't exist yet, >>then I either >>>>merge a portion from my other layer or for straight lines I >>just merge >>>>the 2 end-points instead of the tens of points all along a straight >>>>line from TIGER. >>>> >>>>On the Way itself, I add boundary=administrative and admin_level=4 >>>>(state), admin_level=6 (county), admin_level=4 (city/town). On the >>>>relation, I add type=boundary, boundary=administrative, name=(actual >>>>name of the town), admin_level=(4, 6, or 8), wikipedia=(appropriate >>>>article link). Each way of the border is added to the relation with >>>>role as outer (unless there's an unusual border where an inner is >>>>necessary to make a whole in the town or county). Note: it >>looks like >>>>you could just as well use type=multipolygon on the relation as the >>>>values for the roles are identical (inner/outer). >>>> >>>>Rather than deleting Ways or Relations in the database, I would >>>>instead split existing Ways and edit existing Relations if they are >>>>not right. >>>> >>>>For MA, I had also been using TIGER as I looked at MassGIS, but the >>>>only download I could find was an EXE and wasn't sure how to extract >>>>it on Mac or Ubuntu. If you can point me to how to get an .osm file >>>>from this on a non-Windows system, that would be helpful. >>>> >>>>It is annoying that MassGIS tends to use hundreds of points to >>>>represent roads where 10 or so would suffice, and I've been deleting >>>>hundreds of points on roads near what I happen to be editing. Also, >>>>if you do end up pulling stuff from MassGIS, try to avoid adding tens >>>>of tags to each way just because there is a MassGIS database >>field, as >>>>they are probably not all relevant. >>>> >>>>As far as Boston goes, I would think you'd put the whole city in a >>>>relation with admin_level=8. There's no convention to map smaller >>>>divisions within a city or town. Looks like the >>non-agreement on this >>>>has been summarized on the wiki: >>>> >>>>http://wiki.openstreetmap.org/wiki/Neighborhood >>>> >>>>Peter >>>> >>>>On Wed, Oct 19, 2011 at 7:11 AM, Metcalf, Calvin (DOT) >>>><calvin.metc...@state.ma.us> wrote: >>>>> As towns are the primary division in MA that peole tend to >>>>use I'd like to add them to osm. From what I can tell a few >>>>have been put in near NH as boundary relations (tyngsborough >>>>and dunstable) one has been put in as a closed way (stow) and >>>>10 or so have been put in in the south west as multipolygon >>relations. >>>>> Looking for some suggestions on the best way to do it, seems >>>>to me after playing around a bit last night that it would be >>>>something along the lines of taking the town boundary arcs >>>>from massgis, probably simplifing them, deleting any arc >>>>already up (county boundery, state boundary coast), uploading >>>>those arcs as ways with boundary=admin and admin_level=8, add >>>>admin_level=8 to the current 4 and 6 ways, a/d then longer >>>>term putting in the relations. >>>>> Is there a better or easier way? Which of the 3 ways used so >>>>far is prefered (if any). And if I wanted to add cambridge >>>>and boston neiborhoods how would I tag that (cambridge I made >>>>myself as cambridge gis somehow figured out how to embed a pdf >>>>inside a kml). >>>>> Sent with Verizon Mobile Email >>>>> _______________________________________________ >>>>> Talk-us mailing list >>>>> Talk-us@openstreetmap.org >>>>> http://lists.openstreetmap.org/listinfo/talk-us >>>>> >>>> >> _______________________________________________ Talk-us mailing list Talk-us@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-us