I have now reprocessed the building outlines using a method to simplify them
while preserving their topology, an important consideration due to the large
number of row houses in Baltimore. This has produced much better results than my
previous simplification methods. After simplifying the data,
From: Jason Remillard [mailto:remillard.ja...@gmail.com]
Sent: Saturday, May 04, 2013 8:05 PM
Subject: Re: [Talk-us] Baltimore Building Outlines Import
Hi,
If you carefully read the original mail, you will see two download
links. Both of those links it says the data is public domain I
Thank you everyone for the suggestions.
I had originally tried using QGIS's simplify function, but it simplified things
far too much, even with the minimum tolerance, and I had given up on
simplification. I tried ogr2ogr's simplify function due to the suggestion, and
it worked much better. This
Matthew,
On 05.05.2013 09:10, Matthew Petroff wrote:
When run through the JOSM validator, there are no errors, but there are ~47k
warning, mostly for crossed buildings and building inside building, with a
few intersection between multipolygon ways, self-intersecting ways, and
overlapping ways.
* Matthew Petroff openstreet...@mpetroff.net [2013-05-04 00:07 -0400]:
My only qualm with the data is that some buildings have more nodes
than they need, but I'm not sure what can be done about it besides
manually reviewing and simplifying all 200k+ outlines.
My opinion on imports is that if
Matthew -
Awesome you're working on this.
My only qualm with the data is that some buildings have more nodes than
they need, but I'm not sure what can be done about it besides manually
reviewing
and simplifying all 200k+ outlines.
ogr2ogr -simplify ?
I assigned approximate street addresses
On Sat, May 4, 2013 at 12:07 AM, Matthew Petroff openstreet...@mpetroff.net
wrote:
Hello,
The City of Baltimore provides a large amount of public domain GIS data
through
their data portal [1]. Included are city wide building footprints [2],
which I
would like to import into OpenStreetMap.
Hi,
If you carefully read the original mail, you will see two download
links. Both of those links it says the data is public domain I don't
think the the web site terms of use apply. The data can't both be in
the public domain and have a license.
Thanks
Jason.
On Sat, May 4, 2013 at 10:41 PM,
Hello,
The City of Baltimore provides a large amount of public domain GIS data through
their data portal [1]. Included are city wide building footprints [2], which I
would like to import into OpenStreetMap. Other users have already started
importing this data in a less automated way. I confirmed
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