Steve, Good work. Your osm file looks great. I am going to use your work to tackle the nrn import with FME.
Michel 2009/1/18 Steve Singer <[email protected]> > On Sat, 17 Jan 2009, James Ewen wrote: > > > As reported previously, sometimes the RoadMatcher is thinking roads > > that intersect at 90 degrees are a match, and is leaving them out. > > There are a number of these that I'll have to go back and insert. > > This is expected. When you run roadmatcher on a dataset it divides the > roads into three categories. 'Matched', 'Standalone' and 'unknown'. The > unknown ones are roads where roadmatcher is unsure if there is a match or > not. I am only importing 'standalone' roads since we seemed to think that > it was better to leave out the unknowns vs having many duplicate roads. > It would be nice if it could a better job matching. > > > > Here's where OSM data is going to surpass GeoBase. The question > > remains though, how to teach the RoadMatcher to recognize that these > > two circular routes are the same roadway? > > In this case RoadMatcher actually did detect that they were the same road, > that should have been excluded from the output. However there is a bug in > the exclusion code my geobase2osm.py. > > What happened was that road matcher matched part of the road, but it split > the NRN segment. One part was matched, the other part was standalone. My > script incorrectly declared the entire segment as standalone (which is > incorrect, it should have been excluded from the import). I've fixed the > script. > > It looks like two geobase road segements suffered from this. > > 6972a46cf13841a88c89ff40c49cd498 > 948359a6ff024551aa1a07cec21c818b > > I will manually clean this up tomorrow sometime. > > Thanks for spotting this. > > > > > > > http://www.openstreetmap.org/?lat=56.65477&lon=-111.32785&zoom=17&layers=B000FTF > > > > James > > VE6SRV > > > > _______________________________________________ > > Talk-ca mailing list > > [email protected] > > http://lists.openstreetmap.org/listinfo/talk-ca > > > > > _______________________________________________ > Talk-ca mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-ca >
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