[Imports] Corpus Christi Building Import to Aid in Harvey Recovery Efforts
Clifford Snow
clifford at snowandsnow.us
Sun Sep 3 06:14:08 UTC 2017
On Sat, Sep 2, 2017 at 5:28 PM, Max Erickson <maxerickson at gmail.com> wrote:
> When I looked at the Microsoft buildings in Detroit, I thought a lot
> of time the existing OSM footprint was better than the Microsoft
> footprint. Maybe the directions could encourage importing mappers to
> copy the height to the existing footprint in those cases (there seem
> to be ~1500 existing buildings with high overlap)?
>
> I used a command like
>
> ogr2ogr -f "ESRI Shapefile" /share/gis/extracts/cc
> /share/gis/MS_Buildings/Texas/ -97.55 27.6 -97.25 27.85
>
> to isolate the Corpus Christi area, this is quite a lot of objects,
> ~93,000 footprints. Was there any discussion on slack of trying to
> improve the categorization of the buildings during the import? Any
> other salient info from the slack chat?
Other than oil storage tanks there are only a few hundred buildings in
Corpus Christi. Most of this is new - over 93,000 outlines as you stated.
The conversation on Slack was who is going to use the data. The limited
Texas data I've seen is not that great, at least compared to what I'm used
to in parts of Washington State. There is a reluctance for the federal
government, USGS and FEMA, to use crowdsourced data. With the magnitude of
destruction, Its possible that will change. From last years flooding in
Louisiana, FEMA and USGS were looking for volunteers to collect data on
where buildings were located. Just a node, no outline. I suspect the work
we do could be useful.
Clifford
--
@osm_seattle
osm_seattle.snowandsnow.us
OpenStreetMap: Maps with a human touch
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