Cross-posting to CommonMap.org and to Koordinates.com since the source data is definatly usefull to these collections. I'm requesting a new data source be created for Finland data, and anyone is welcome to be the data custodian for it.
cheers, Sam On 5/8/12, Pekka Sarkola <[email protected]> wrote: > Dear Friends, > > > > As I mentioned in my post in last December: National Land Survey of Finland > (later on: NLSF) has open all their topographic datasets on 1st of May. > > > > We have had lively discussion here in Finland among OSM activists about > these datasets. Mainly this discussion has been in encrypted mode (ie. in > Finnish). So as non-Finnish-speaking persons it might be difficult to > understand what's going on. Here short summary about discussion and current > plan of plan: > > > > NLSF datasets are very good. Finland is very big country with very few > people (338k km2 / 5.4m inhabitans, Germany: 357k km2 / 81.8M inhabitants). > So it's obvious that we can get enough OSM mappers (No, we don't want > Germans here!). > > > > NLSF data is collected wit tax payers money. Every OSM activist has already > paid smaller or bigger amount of taxes, VAT is 23%. So, NLSF data is our > data. > > > > NLSF terms of use is very open > (http://www.maanmittauslaitos.fi/en/NLS_open_data_licence_version1_20120501) > . > > > > DISCLAIMER: NO, WE ARE NOT PLANNING TO IMPORT NLSF DATA TO OSM! To be sure > that everybody will understand: NO, WE ARE NOT PLANNING TO IMPORT NLSF DATA > TO OSM! I hope everybody understood by message ;-) > > > > So, what's the plan? After several meetings, f2f discussion, forums and IRC > chats, we have common understanding: we have to benefit NLSF data in our > OpenStreetMap data collection. NLSF data is not perfect, in some areas OSM > data is better. Thas's why NLSF is planning to use OSM as hint data source. > > > > Now there is several Finnish OSM activists who analysize NSLF data and try > to understand how we can benefit it. You can found their documentation here: > http://wiki.openstreetmap.org/wiki/Maastotietokanta. Some work is also done > here: http://wiki.openstreetmap.org/wiki/Fi:Maastotietokanta/Luokat (this is > classification cross check table between NLFS topographic database and OSM > tags. > > > > Here are some principles in our planning: > > - we don't overwrite anything from OSM > > - if NLSF feature is intersection OSM feature, OSM Feature will win > (usually) > > - if OSM feature has worst data source (like Landsat waters, Corine > Land Data Cover forests), it can be replaced by NLSF feature > > - NLSF data can be imported to OSM with semi-automated method: with > human interaction. Like NLSF buildings has been exported to osm-file, user > open file in JOSM and decide feature by feature what to do. > > - Automated imports are possible in the areas where we don't active > OSM mappers > > - NLSF orthophotos and raster maps are used to background > information to leverage OSM quality in various places. > > > > All comments are welcomed! > > > > If you like really test your GIS systems, you can download already NLSF > datasets via our torrent services. More information here: > http://paikkatieto.com/2012/05/08/downloading-national-land-survey-datasets/ > > > > Pekka > > ps. DISCLAIMER2: http://wiki.openstreetmap.org/wiki/Import/Guidelines is > mandatory reading in Finnish schools ;-) > > ps2. it seems that first post has vanished. > > > > > > -- > > Pekka Sarkola > > Gispo Oy > > <mailto:[email protected]> [email protected] - GSM +358 40 725 > 2042 > > <http://www.gispo.fi> www.gispo.fi - <http://www.paikkatieto.com> > www.paikkatieto.com > > > > -- --- Victoria, BC Canada [image: Share] <http://twitter.com/samvekemans>[image: Facebook]<http://www.facebook.com/sam.vekemans>[image: Linked In] <http://www.linkedin.com/pub/sam-vekemans/a/b8/aa2>[image: Youtube] <http://youtube.com/user/canadarideforclimate>[image: Flickr]<http://www.flickr.com/people/canadarideforclimate/> Blog: http://samvekemans.posterous.com/ Google+ https://plus.google.com/u/0/117921658240148036148/posts Skype: 'Sam Vekemans' <[email protected]> _______________________________________________ Imports mailing list [email protected] http://lists.openstreetmap.org/listinfo/imports
