Jason Remillard <[email protected]> writes: > Hi, > > I would like to start a new thread to talk about merging building data. > > My town Groton has mostly hand drawn buildings from bing. Like was > suggested previously, dumping them all and replacing them with the MassGIS > buildings would be a definite improvement of the map quality. My suggestion > is to provide quick instructions on the wiki on how to use the JOSM > conflation plugin combined with the complete MassGIS building data set > should be enough to handle places like Groton.
That makes sense. I am afraid that I think this process should be manual. From the scripts, it would be nice to produce a partition of the massgis data as: buildings_not_in_osm buildings_overlapping_buildings_in_osm the second can be used for 'replace geometry' or the conflation plugin, with manual imagery checking (or at the discretion of the one who added them). Later, as things change, one could rerun the massgis data (or an update) and produce buildings_matching_osm (to be ignored) buildings_not_in_osm buildings_overlapping_buildings_in_osm and the 3rd set is again where we haven't updated or think our data is better. I would say this whole process can wait until the dust settles on the import of non-overlapping data.
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