Great work Calvin, regarding the coastline you may want to check to see if it is the average high water mark which is used for the [natural=coastline<http://wiki.openstreetmap.org/wiki/Tag:natural%3Dcoastline>], just a heads up. When I can, I'll lend my help to the NH/Mass border, etc.
Andrew On Thu, Oct 20, 2011 at 12:26, Metcalf, Calvin (DOT) < [email protected]> wrote: > > All right so http://dl.dropbox.com/u/37626989/admin.zip > It retags all ways that make up counties to be admin_level=6;8 > It adds a way with admin_level=8 and boundary=administrative to any town > boarder that currently doesn't have one > All ways are non overlapping and are split based on where they need to be > so that the same way can be used for both towns on the boarder > > To do once this is done > -Redo the ways that make up both the ma outside boarder and the ma counties > boarders. So that they are they are shared and not overlapping. > -check out the coastline and see if it makes sense to replace it with the > massgis one (it is probably going to be more accurate, the new boarders are > significantly better then the old ones) > -Start create relations for all the towns. > >-----Original Message----- > >From: Metcalf, Calvin (DOT) [mailto:[email protected]] > >Sent: Thursday, October 20, 2011 10:09 AM > >To: 'Richard Weait' > >Cc: [email protected]; [email protected] > >Subject: Re: [Imports] [Talk-us] MA towns > > > >So I did do that with stow as a test, I deleted the current > >boarder added the new one, turned it into a relation, and > >merged each of the overlapping county boarders into it. > >What I intended to do was to import admin data only where > >there was not already existing data, but didn't notice that a > >few of the counties were only tagged as admin=6 in the > >relation but not in the underlying ways. > > > >So what I can do is go through and take those out and then > >edit the ways that make up those relations to add the correct > >tags to the way. > > > >A thing to point out is that with the exception of the > >counties (which are a bit of a mess as it looks like whoever > >uploaded them used polygons, so there are double ways at each > >border.) There is not much of the internal boundaries in ma > >already, and I'm hoping these new one will make it > >significantly easier for people to edit and add boundary > >relations for their own towns. > > > >Does that make sense ? > > > >>-----Original Message----- > >>From: Richard Weait [mailto:[email protected]] > >>Sent: Thursday, October 20, 2011 9:50 AM > >>To: Metcalf, Calvin > >>Cc: [email protected]; [email protected] > >>Subject: Re: [Talk-us] [Imports] MA towns > >> > >>On Thu, Oct 20, 2011 at 9:10 AM, Metcalf, Calvin (DOT) > >><[email protected]> wrote: > >>> If nobody objects I'll start uploading the towns from the > >>admin8 file and stow file > >> > >>Dear Calvin, > >> > >>I have an objection and a suggestion. See below. > >> > >>> I noticed that a couple of the counties are only relations > >>(i.e. the ways aren't tagged admin_level=6) so no lines are > >>going to go in there. > >> > >>I'm not sure I understand what you say here. Are you saying that some > >>admin areas are only tagged on the relations? Are you also saying you > >>object to such tagging only on the relations? Or are you saying that > >>you won't upload into areas that are tagged only on the relations? > >> > >>> With this done all borders in Mass will be represented by a > >>tagged way, if that looks good I can put in the new counties > >>and state boarder files that don't include any overlaps. > >> > >>I believe that this thread (perhaps the other threads on the same > >>topic) has established that MA borders are sub-optimal. Those borders > >>are from various imported sources. Those imported sources disagree > >>with each other as shown by crossings and parallel borders where they > >>should be a shared line. > >> > >>My objection is this. Importing state wide data from yet another > >>source without addressing the existing border weaknesses will make the > >>MA border condition worse, not better. > >> > >>My suggestion is this. Please consider _editing_, not _importing_, > >>these town boundaries in a way that greatly improves MA borders. Work > >>in very small areas at one time and touch each way individually, by > >>hand. Reconcile the new town borders with the existing county / state > >>borders and improve those as you go. Use a single way where > >>inappropriate duplicates now exist, and add the way to each of the > >>appropriate border relations. > >> > >>Starting with Stow, (is this the right Stow?) > >>http://www.openstreetmap.org/?lat=42.4237&lon=-71.5119&zoom=13 > >&layers=M > >>you might decide that the existing town border is correct-enough, then > >>merge the Worcester / Middlesex border to the town line where they are > >>expected to overlap. Refer to other sources, perhaps aerial imagery, > >>at the same time and you'll have the opportunity to fix other problems > >>in / around Stow as well. Then do a couple of the adjacent towns as > >>well. Adjacent towns should be easier because you'll have already > >>sorted out one of the shared borders. > >> > >>Yes, this sounds like a lot of work. Yes, this is slower than just > >>throwing the import data over the garden wall. But. Do this and show > >>us a before and after screenshot with the beautiful, improved MA > >>borders. Do this and provide these lists with the details of your > >>workflow and any helpful tricks and troublesome traps. Do this and > >>perhaps you'll have other MA mappers flocking to assist in the great > >>MA border cleanup. You can make the MA borders and the cleanup > >>process an example for other areas sharing the same border > >>shortcomings. > >> > >>Best regards, > >>Richard > >> > >_______________________________________________ > >Imports mailing list > >[email protected] > >http://lists.openstreetmap.org/listinfo/imports > > > _______________________________________________ > Talk-us mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-us >
_______________________________________________ Talk-us mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-us
