[Imports] [Talk-us] MassGIS Building Import - merge

[Jason Remillard]

I agree. I will make a third osm file that just has overlapping buildings,
it is very easy. Then, put them away for after the dust settles on the
missing buildings.

On Thu, Dec 13, 2012 at 8:45 PM, Greg Troxel <gdt at ir.bbn.com> wrote:

>
> Jason Remillard <remillard.jason at gmail.com> 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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