[Talk-us] NHD Dataset

2009-02-16 Thread Theodore Book
If you haven't been following the wiki page, I have been doing some work on the NHD dataset, and feel that I have gotten a decent OSM conversion of the Etowah river watershed (north and northwest of Atlanta). I am going ahead and uploading that basin. If you are interested in the conversion,

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Ian Dees
On Mon, Feb 16, 2009 at 9:00 AM, Theodore Book wrote: > If you haven't been following the wiki page, I have been doing some work > on the NHD dataset, and feel that I have gotten a decent OSM conversion > of the Etowah river watershed (north and northwest of Atlanta). I am > going ahead and uplo

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Theodore Book
I think it would be great to get it all in as soon as possible. I do see a few limiting factors, though: * In some places, a lot of work has been done manually entering water features. While I expect the NHD data is generally better, we have the tough issue of respecting other people's work (

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Adam Schreiber
On Mon, Feb 16, 2009 at 10:37 AM, Theodore Book wrote: > * In some places, a lot of work has been done manually entering water > features. While I expect the NHD data is generally better, we have the > tough issue of respecting other people's work (and not duplicating > things in the database) I

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Adam Schreiber
On Mon, Feb 16, 2009 at 10:53 AM, Rev. Theodore Book wrote: > It looks like you are right up the road from me! I can send you the scripts > that I used, if you like. Sure. > > Adam Schreiber wrote: >> >> On Mon, Feb 16, 2009 at 10:37 AM, Theodore Book wrote: >> >>> >>> * In some places, a lot

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Christopher Schmidt
On Mon, Feb 16, 2009 at 10:37:05AM -0500, Theodore Book wrote: > I think it would be great to get it all in as soon as possible. I do > see a few limiting factors, though: > > * In some places, a lot of work has been done manually entering water > features. While I expect the NHD data is gener

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Ian Dees
On Mon, Feb 16, 2009 at 9:56 AM, Christopher Schmidt < crschm...@metacarta.com> wrote: > > What script did you use for doing the polygons themselves? Did i t > support splitting of large polygons into smaller ways? > Chris, I was thinking about how to implement this in my shp-to-osm convertor thi

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Christopher Schmidt
On Mon, Feb 16, 2009 at 10:24:21AM -0600, Ian Dees wrote: > On Mon, Feb 16, 2009 at 9:56 AM, Christopher Schmidt < > crschm...@metacarta.com> wrote: > > > > > What script did you use for doing the polygons themselves? Did i t > > support splitting of large polygons into smaller ways? > > > > Chri

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Christopher Schmidt
On Mon, Feb 16, 2009 at 11:08:59AM -0500, Rev. Theodore Book wrote: > I used a modified version of your MassGIS script - which did result in > some big ways. I think we would need to find a faster way of uploading > if we wanted to complete the whole country in a reasonable length of time. Whic

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Ian Dees
It looks like the solution is to use Advanced Multipolygons: http://wiki.openstreetmap.org/wiki/Talk:Relation:multipolygon#Advanced_multipolygons Does anyone want to start writing an algorithm to nicely slice up polygons into "small enough" chunks? On Mon, Feb 16, 2009 at 11:02 AM, Rev. Theodore

Re: [Talk-us] NHD Dataset

2009-02-16 Thread Christopher Schmidt
On Mon, Feb 16, 2009 at 12:55:51PM -0600, Ian Dees wrote: > It looks like the solution is to use Advanced Multipolygons: > > http://wiki.openstreetmap.org/wiki/Talk:Relation:multipolygon#Advanced_multipolygons > > Does anyone want to start writing an algorithm to nicely slice up polygons > into "

[Talk-us] Automatch for importing NHD

2009-02-16 Thread Sam Vekemans
Hi, fyi, the automatch script for importing canada's NRN datasets is available to copy from - hopefully it can help. (to deal with duplicates) I still havent figured out how to get the .txt file that converts the database file to osm tags. -the shp2osm script. Thanks, Sam ps hopefully the talk-c