[Imports] City of Portsmouth, Virginia Building/Address Import

Pierre Béland pierzenh at yahoo.fr
Wed Jun 19 16:58:16 UTC 2019


Hi Jonah
I did analysis of your OSM source file as of 2019-06-12 and detected some 15,500 buildings that deviate significantly from square angles buildings.  It does not mean that they do not correspond to what is observed on imagery.  But with a ratio of 32% of buildings with irregular angles, it would be good to look at these and see if they should be revised.

See Geojson visualisation on Github https://github.com/opendatalabrdc/OQ_Analysis/blob/master/Geojson_Visualisation_Building_Polygons_with_Irregular_Geometry.md#2019-06-12-city-of-portsmouth-virginia-building-footprints--addresses
I only answer to the import list, since I dont susbcribe to the other lists plus avoid cross-posting .  

 
Pierre 
 

    Le samedi 15 juin 2019 18 h 28 min 08 s UTC−4, Jonah Adkins <jonahadkins at gmail.com> a écrit :  
 
 Hi Pierre, Thanks for taking a look.
The source data for this import is not AI derived - the state GIS office (VGIN) collects datasets from each city/county in Virginia, then processes them into a statewide dataset that is released (with a OSM compatible license) on a quarterly basis.
Was there a particular area in the full or sample OSM files that looked bad?
Thx-Jonah  
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