Woahoo, Jaak. Thanks for pointing this out, but I'm trying to keep the scope tight :)
Looks interesting though .... On Wed, Aug 7, 2013 at 3:20 AM, Jaak Laineste (Nutiteq) <[email protected]>wrote: > Hi Alex, > > Buildings in DC reminds me that this is the only dataset where I've seen > 3D Shapefiles [1] in the wild. Have you considered importing this data to > the OSM as Simple 3D Building [2] schema? > > It would not be trivial at all, as you'd need to convert and approximate > 3D shapes (triangles / meshes) into parametric height and roof type tags. > Common opensource tools like OGR and shapelib does not read the MultiPatch > elements, or project them to 2D (e.g. in QGIS you see roofs like [3]), so > custom shapefile reader would be needed; but Shapefile format is actually > quite simple to read. And then you'd need to do conflation with all the > existing data, not only adding tags but also do splitting to building parts. > > [1] http://dcatlas.dcgis.dc.gov/metadata/BldgPly_3D.html > [2] http://wiki.openstreetmap.org/wiki/Simple_3D_Buildings > [3] http://grab.by/p8HC > > Jaak > > On 07.08.2013, at 2:28, Alex Barth <[email protected]> wrote: > > Hello everyone - > > I've put together a proposal [1] to finalize the stalled DC building + > address import. > > Working with Chris Andino and others in the DC community we've made some > good progress over the last couple of weeks. A good first round of reviews > on imports-us [3] has yielded great feedback [2] that I'm looking to > incorporate it at this weekend's OSM birthday sprint in DC. > > Please review the proposal below [1] and post feedback here on the list > **after checking for existing issues** [2]. > > Thank you for your time! > > [1] https://github.com/osmlab/dcbuildings/blob/master/PROPOSAL.md > [2] https://github.com/osmlab/dcbuildings/issues?state=open > [3] > http://lists.openstreetmap.org/pipermail/imports-us/2013-August/000209.html > [4] http://osmlab.github.io/birthday-sprint/ > _______________________________________________ > Imports mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/imports > > >
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