If the conclusion is that there's no point importing OS VMD water features into OSM...
Would it make more sense to extract the water features and convert them into a standalone osm.pbf, so they can be used as-is to make a background layer (warts-and-all)? Richard On Sun, Dec 11, 2011 at 7:45 PM, Graham Jones <grahamjones...@gmail.com>wrote: > On 11 December 2011 18:46, Tim François <sk1pp...@yahoo.co.uk> > >> The entire process took a long, long time (we're talking many hours), as >> the OS data is all fragmented and needs joining up. >> >> This is one where it is certainly possible to import the data, but to do > it manually is going to be a huge amount of effort, and I wonder if it is > really worth the effort? > > I see the main benefit of OSM in providing 'added value' geographic data > that is not available in other freely available sources. Last time I made > a map of an outdoor area, I found that the OS Vector Map District (VMD) > water features added a lot to it, because the OSM data was pretty plain. > In the end I actually made the map from a mixture of OSM and VMD Data, with > SRTM generated contours. > I certainly used OSM footpaths and route relations (because they are not > in any of the other data sets) - as I wanted to highlight a walking route. > > I used VMD waterways because they were far more complete than OSM. > I think that for the area I was working on (Weardale) I used VMD roads > too, because there are still a lot missing from OSM. > > Where I struggled was in woodland areas - you get a lot more if you use > VMD, but I also know that quite a lot have been felled, which can be > changed in OSM, but not VMD, so this was a difficult choice. (You can see > the output > here<https://github.com/jones139/Mapnik-OSM-Styles/raw/master/weardale_way/image_vmd_fc.png> > (but > there is something wrong with the grid on the version on that server, > sorry!....and the rendering style is not as pretty as the main OSM one). > > I wonder if a more productive use of our efforts would be in developing > tools to make it easier to make such merged data maps and highlight the > 'value added' bits from OSM that make it stand out from a Land Ranger map? > [Things like showing all the industrial archeology, real ale pubs etc.]. > > I am working (very slowly) on a tool that will pull together the required > data to produce these sort of things and render it at high resolution for > printing. It is not at the sort of state that I would publish it and > recommend that someone just tries it (no nice front end), but it is getting > there and I can make maps from it when I want to. I would be happy to put > more effort into it if there was interest (or anyone interested in > helping!). > > One final thing is that if we do say that we will not import the VMD data > into OSM, this means that it will not appear on the main OSM web site map. > We could show off what is possible though by making a 'osm-uk' site with > a web map that combines the various data sources in a web map? > > Regards > > > Graham. > -- > Graham Jones > Hartlepool, UK. > > > _______________________________________________ > Talk-GB mailing list > Talk-GB@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk-gb > >
_______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-gb
