Re: [OSM-talk] bulk merge of duplicate points
Robin Paulson wrote: > On 28 April 2010 18:33, Vincent Pottier wrote: >>> we have a situation as part of the LINZ import where some nodes >>> need to be merged - specifically cattle stops, gates, etc. with >>> roads. there are lots of these, so we would like to do it >>> programmatically. >>> >>> is there a tool to do this en masse? either a josm plugin >> The validator plugin... > can this be made to run in a bulk fashion? i was under the impression > after running the check, it required each set of duplicate nodes to > be accepted for merging. we will potentially have tens of thousands > of duplicates, so this isn't really on afair this could be done by clicking on the folder containing all these types of errors. frank ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
On Thu, 29 Apr 2010, Robin Paulson wrote: > On 29 April 2010 21:29, Liz wrote: > > It would help if you thought a little more about duplicate things on the > > one position. > > E.g. Service Station > > could have 5 or 6 types of fuel, an address, a phone number, notes about > > ancillary services - car wash, groceries, telephone, atm machine, > > A number of these are "amenity=xxx" and if you merge the nodes you will > > have data loss, or difficulty in post-processing data if you string it > > all together. > > The next category are things that are at different heights in the same > > location - a multistorey building with basement parking, ground level > > shops, upper levels offices and on the roof various aerials. > > How will you merge all of those and not lose information? > > yes, we've thought about that, and realise that some of them should > stay unmerged. the specific example we have from the import so far > (there will be more) are fences round the edge of golf courses. the > fence and the golf course edge do coincide, but the import scripts > we're using have created duplicate nodes, as the two imports are from > two different shape files within the same data set > In particular, where roads in Australia overlie imported admin_boundary nodes and ways, we do not want them merged. Editing the relations of the admin_boundaries often breaks the relations. Secondly, the roads move (in terms of the passage of years) in rural areas, while the boundaries do not. ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
On 29 April 2010 21:29, Liz wrote: > It would help if you thought a little more about duplicate things on the one > position. > E.g. Service Station > could have 5 or 6 types of fuel, an address, a phone number, notes about > ancillary services - car wash, groceries, telephone, atm machine, > A number of these are "amenity=xxx" and if you merge the nodes you will have > data loss, or difficulty in post-processing data if you string it all > together. > The next category are things that are at different heights in the same > location - a multistorey building with basement parking, ground level shops, > upper levels offices and on the roof various aerials. > How will you merge all of those and not lose information? yes, we've thought about that, and realise that some of them should stay unmerged. the specific example we have from the import so far (there will be more) are fences round the edge of golf courses. the fence and the golf course edge do coincide, but the import scripts we're using have created duplicate nodes, as the two imports are from two different shape files within the same data set ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
On Thu, 29 Apr 2010, Robin Paulson wrote: > can this be made to run in a bulk fashion? i was under the impression > after running the check, it required each set of duplicate nodes to be > accepted for merging. we will potentially have tens of thousands of > duplicates, so this isn't really on > It would help if you thought a little more about duplicate things on the one position. E.g. Service Station could have 5 or 6 types of fuel, an address, a phone number, notes about ancillary services - car wash, groceries, telephone, atm machine, A number of these are "amenity=xxx" and if you merge the nodes you will have data loss, or difficulty in post-processing data if you string it all together. The next category are things that are at different heights in the same location - a multistorey building with basement parking, ground level shops, upper levels offices and on the roof various aerials. How will you merge all of those and not lose information? ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
On 28 April 2010 01:43, Robin Paulson wrote: > we have a situation as part of the LINZ import where some nodes need > to be merged - specifically cattle stops, gates, etc. with roads. > there are lots of these, so we would like to do it programmatically. I'd try to do it as a part of whatever conversion script is used. It's a simple feature if the language the script is in has dictionaries, then you can just use the coordinates pair as key (or a string version of them to avoid floating point comparison). Cheers ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
On Wed, Apr 28, 2010 at 4:25 PM, Robin Paulson wrote: > On 28 April 2010 18:33, Vincent Pottier wrote: > >> we have a situation as part of the LINZ import where some nodes need > >> to be merged - specifically cattle stops, gates, etc. with roads. > >> there are lots of these, so we would like to do it programmatically. > >> > >> is there a tool to do this en masse? either a josm plugin > > > > The validator plugin... > > can this be made to run in a bulk fashion? i was under the impression > after running the check, it required each set of duplicate nodes to be > accepted for merging. we will potentially have tens of thousands of > duplicates, so this isn't really on > How were you planning on automatically handling the merge? How are you going to handle the case where two things are actually occupying the exact same location but don't belong on the same node? ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
On 28 April 2010 18:33, Vincent Pottier wrote: >> we have a situation as part of the LINZ import where some nodes need >> to be merged - specifically cattle stops, gates, etc. with roads. >> there are lots of these, so we would like to do it programmatically. >> >> is there a tool to do this en masse? either a josm plugin > > The validator plugin... can this be made to run in a bulk fashion? i was under the impression after running the check, it required each set of duplicate nodes to be accepted for merging. we will potentially have tens of thousands of duplicates, so this isn't really on ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] bulk merge of duplicate points
Robin Paulson wrote: > is there a josm plugin? i think the josm validator plugin should do the job. frank ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
[OSM-talk] bulk merge of duplicate points
we have a situation as part of the LINZ import where some nodes need to be merged - specifically cattle stops, gates, etc. with roads. there are lots of these, so we would like to do it programmatically. is there a tool to do this en masse? either a josm plugin, or some command-line tool? cheers ___ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
