[Talk-us] Open Building datasets for San Jose, Fremont and Berkeley

Nathan Mixter nmixter at gmail.com
Wed Feb 22 16:40:02 UTC 2017


Hi, I reviewed the data awhile back for San Jose and found that it was high
quality and definitely worth being imported. Yes, by all means please feel
free to jump in on this import! It will a great addition to connect other
imports done in the Bay Area. There are a few buildings that I and others
have traced manually from imagery. I started working my way north tracing
images in southern San Jose with Bing imagery before I realized the city
had the data available. I am fine with having any of the buildings I've
traced deleted in favor of the better quality shapes. I would be happy to
assist in the import however I can, and there are several other mappers in
the area who have helped with imports who would also be able to take over
part of the work load.
All the best, Nathan Mixter

On Feb 22, 2017 4:09 AM, <talk-us-request at openstreetmap.org> wrote:

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Today's Topics:

   1. Open Building datasets for San Jose, Fremont and Berkeley
      (maning sambale)


----------------------------------------------------------------------

Message: 1
Date: Tue, 21 Feb 2017 20:36:00 +0530
From: maning sambale <emmanuel.sambale at gmail.com>
To: talk-us <talk-us at openstreetmap.org>
Subject: [Talk-us] Open Building datasets for San Jose, Fremont and
        Berkeley
Message-ID:
        <CAPzumuFHwxjeM96Ggace-_4xVbLsLnyELf7ePwvqVUvA7qnTxA at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

Hi,

Recently we came across three open buildings datasets for San Jose[1],
Berkeley[2] and Fremont[3]. We have evaluated the quality of each of
the datasets and found them to have good coverage and building
extrusions match recent satellite imagery. We have updated the wiki[4]
with the above sources for California.


- San Jose: https://cloud.githubusercontent.com/assets/
1933377/22969874/09901660-f396-11e6-93a9-225dfab1ccc9.png
- Berkeley: https://cloud.githubusercontent.com/assets/
1933377/22469786/28cb43b4-e7f3-11e6-979c-0fcc27cea67d.png
- Fremont: https://cloud.githubusercontent.com/assets/
1933377/22917071/97fb3536-f2a8-11e6-885c-26a5f0a6ce14.png

The datasets for San Jose and Berkeley also contain building heights
and that of San Jose contains building parts as well.

- Building part details in San Jose:
https://cloud.githubusercontent.com/assets/1933377/22919803/e374ba8c-
f2b7-11e6-9d03-3693401851fe.png

Our team would be happy to collaborate if you are open to importing
these datasets to OpenStreetMap.

[1] - http://www.sanjoseca.gov/index.aspx?NID=3308

[2] - https://data.cityofberkeley.info/City-Government/
Roofprints-2006/gnp8-t9x8

[3] - http://egis-cofgis.opendata.arcgis.com/datasets/
5b4a263844634084af2001f82a5174a5_0

[4] - https://wiki.openstreetmap.org/wiki/Potential_Datasources#California



--
cheers,
Maning
Data, Mapbox



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