On 26/12/13 11:01, Jozef Riha wrote: > hello all, Hello Jozef,
> > i've been playing a bit with potrace Impressive result - can you provide a how-to for recreating (and maybe improving) the steps you've accomplished? - a bitmap to vector tool trying to > automate building shapes extraction from basemap.at <http://basemap.at> > (http://wiki.openstreetmap.org/wiki/AT/basemap). as this could be > considered mass import, i would like to have austrian mapper community > checked/approved this first. i am planning to do a few fixes here and > there but generally i consider https://db.tt/eUm1BLmg to be ready for > upload to osm. please let me know if it meets your quality criteria for > imports or just share your thoughts/ideas. I've reviewed it, but there are some flaws which (in my opinion) are blocking the import: * adjacent buildings do not share nodes * no multipolygons at buildings with holes - those would have to be created manually * The buildings are not orthogonalized (q in JOSM) * nodes at very obtuse angles (e.g. 88°) should be removed. > > vielen dank, Ein großes Danke for your efforts! > > > jose (greetings from slovakia) Greetings, Michael -- Michael Maier, Student of Telematics @ Graz University of Technology OpenStreetMap Graz http://osm.org/go/0Iz@paV http://wiki.osm.org/Graz http://wiki.osm.org/Graz/Stammtisch
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