Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Richard Weait
On Wed, Mar 28, 2012 at 8:48 AM, Ian Dees ian.d...@gmail.com wrote: On Wed, Mar 28, 2012 at 5:47 AM, Josh Doe j...@joshdoe.com wrote: [ ... ] I was thinking more about using TIGER 2011 to find roads that seem to be missing in the OSM database. My PostGIS skills are nil, but it seems like it

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Josh Doe
On Thu, Mar 29, 2012 at 8:40 AM, Richard Weait rich...@weait.com wrote: On Wed, Mar 28, 2012 at 8:48 AM, Ian Dees ian.d...@gmail.com wrote: On Wed, Mar 28, 2012 at 5:47 AM, Josh Doe j...@joshdoe.com wrote: [ ... ] I was thinking more about using TIGER 2011 to find roads that seem to be

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Ian Dees
On Thu, Mar 29, 2012 at 8:11 AM, Josh Doe j...@joshdoe.com wrote: On Thu, Mar 29, 2012 at 8:40 AM, Richard Weait rich...@weait.com wrote: On Wed, Mar 28, 2012 at 8:48 AM, Ian Dees ian.d...@gmail.com wrote: On Wed, Mar 28, 2012 at 5:47 AM, Josh Doe j...@joshdoe.com wrote: [ ... ] I was

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Martijn van Exel
Josh, On Thu, Mar 29, 2012 at 7:11 AM, Josh Doe j...@joshdoe.com wrote: [..] I've actually just converted the conflation JOSM-plugin to use the Java Conflation Suite (JCS), which RoadMatcher is based on. I don't expect to have RoadMatcher-like capabilities in there for quite a while, but I

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Steven Johnson
It appears Josh and Ian are making incremental, but significant advances toward much-needed conflation tools. Echoing Martijn's comment, I look forward to finding some spare time to test these out. Good going, guys... -- SEJ -- twitter: @geomantic -- skype: sejohnson8 Common sense is the

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Josh Doe
On Thu, Mar 29, 2012 at 9:45 AM, Ian Dees ian.d...@gmail.com wrote: After loading Cook County TIGER road features and OSM linear features into PostGIS, I ran a simple query to find how well the roads matched: SELECT a.name, b.fullname, ST_HausdorffDistance(a.geom, b.geom) as dist      FROM

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Ian Dees
On Thu, Mar 29, 2012 at 9:10 AM, Josh Doe j...@joshdoe.com wrote: On Thu, Mar 29, 2012 at 9:45 AM, Ian Dees ian.d...@gmail.com wrote: After loading Cook County TIGER road features and OSM linear features into PostGIS, I ran a simple query to find how well the roads matched: SELECT

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Martijn van Exel
Hi, On Thu, Mar 29, 2012 at 8:21 AM, Ian Dees ian.d...@gmail.com wrote: On Thu, Mar 29, 2012 at 9:10 AM, Josh Doe j...@joshdoe.com wrote: On Thu, Mar 29, 2012 at 9:45 AM, Ian Dees ian.d...@gmail.com wrote: After loading Cook County TIGER road features and OSM linear features into

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Skye Book
On Mar 29, 2012, at 10:10 AM, Josh Doe wrote: On Thu, Mar 29, 2012 at 9:45 AM, Ian Dees ian.d...@gmail.com wrote: After loading Cook County TIGER road features and OSM linear features into PostGIS, I ran a simple query to find how well the roads matched: SELECT a.name, b.fullname,

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Skye Book
On Mar 29, 2012, at 10:10 AM, Josh Doe wrote: On Thu, Mar 29, 2012 at 9:45 AM, Ian Dees ian.d...@gmail.com wrote: After loading Cook County TIGER road features and OSM linear features into PostGIS, I ran a simple query to find how well the roads matched: SELECT a.name, b.fullname,

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Nathan Edgars II
On 3/29/2012 10:49 AM, Martijn van Exel wrote: I'm going to look at this same problem for Salt Lake County just to see if any different issues arise for a different geography, and hope to provide some more input soon. It would be useful to test an area where the TIGER data is rather imprecise

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Kristian M Zoerhoff
On Thu, Mar 29, 2012 at 10:53:55AM -0400, Nathan Edgars II wrote: On 3/29/2012 10:49 AM, Martijn van Exel wrote: I'm going to look at this same problem for Salt Lake County just to see if any different issues arise for a different geography, and hope to provide some more input soon. It

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Ian Dees
On Thu, Mar 29, 2012 at 10:01 AM, Kristian M Zoerhoff zoerh...@sdf.orgwrote: On Thu, Mar 29, 2012 at 10:53:55AM -0400, Nathan Edgars II wrote: On 3/29/2012 10:49 AM, Martijn van Exel wrote: I'm going to look at this same problem for Salt Lake County just to see if any different issues

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Nathan Edgars II
On 3/29/2012 11:06 AM, Ian Dees wrote: On Thu, Mar 29, 2012 at 10:01 AM, Kristian M Zoerhoff zoerh...@sdf.org mailto:zoerh...@sdf.org wrote: On Thu, Mar 29, 2012 at 10:53:55AM -0400, Nathan Edgars II wrote: On 3/29/2012 10:49 AM, Martijn van Exel wrote: I'm going to look at this

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-29 Thread Martijn van Exel
Hi, On Thu, Mar 29, 2012 at 7:45 AM, Ian Dees ian.d...@gmail.com wrote: On Thu, Mar 29, 2012 at 8:11 AM, Josh Doe j...@joshdoe.com wrote: On Thu, Mar 29, 2012 at 8:40 AM, Richard Weait rich...@weait.com wrote: On Wed, Mar 28, 2012 at 8:48 AM, Ian Dees ian.d...@gmail.com wrote: On Wed,

[Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-28 Thread Josh Doe
I initially just sent this to Ian Dees, but maybe there are others on this list that are thinking of doing this or could help. Considering the upcoming license change and it's impact (many roads that may become missing), I was thinking more about using TIGER 2011 to find roads that seem to be

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-28 Thread Ian Dees
On Wed, Mar 28, 2012 at 5:47 AM, Josh Doe j...@joshdoe.com wrote: I initially just sent this to Ian Dees, but maybe there are others on this list that are thinking of doing this or could help. Considering the upcoming license change and it's impact (many roads that may become missing), I

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-28 Thread Martijn van Exel
Hi all, On Wed, Mar 28, 2012 at 6:48 AM, Ian Dees ian.d...@gmail.com wrote: On Wed, Mar 28, 2012 at 5:47 AM, Josh Doe j...@joshdoe.com wrote: I initially just sent this to Ian Dees, but maybe there are others on this list that are thinking of doing this or could help. Considering the

Re: [Talk-us] Using TIGER to find missing road segments in OSM after license change

2012-03-28 Thread Josh Doe
On Wed, Mar 28, 2012 at 11:00 AM, Martijn van Exel m...@rtijn.org wrote: Hi all, On Wed, Mar 28, 2012 at 6:48 AM, Ian Dees ian.d...@gmail.com wrote: On Wed, Mar 28, 2012 at 5:47 AM, Josh Doe j...@joshdoe.com wrote: Hardest part will then be scaling this up to all 3140 counties. I'd love