*
*
*TriMet will begin OSM improvements in the Portland area beginning Monday
February 21, 2011*.
Geographic Extent: Multnomah, Clark, Washington, and Clackamas County
Timeframe: 6 months, February 18, 2011 – August 18, 2011
OSM User Names: TriMet_PJH, TriMet_MSB, TriMet_GNH, TriMet_BB
Reference files used to make the improvements:
Metro’s Regional Datasets: streets.shp, trails.shp, bikes.shp (starting
with current versions dated January 2011)
6 inch aerial imagery flown Fall 2010
Improvements using ArcMap's OSM Editor include:
- Street alignments
- Streets with bus routes on them are allowed a 5 foot difference
between OSM and Metro.
- Streets without bus routes are allowed a 10 foot buffer.
- Attributes
- The attributes in Metro's data will be rewritten in a form matching
OSM.
- Missing sections can then be copied and pasted into OSM's data
layer.
- Geometrically incorrect sections
- will be snapped to match Metro's
- We will also be checking directionality
The work from this project will support applications and projects such as
the Open Trip Planner http://opentripplanner.org/ and The Intertwine
http://theintertwine.org/.
For more detailed information or questions, please contact Bibiana McHugh
[email protected] or myself (PJ Houser, [email protected])
Input?
--
PJ Houser
Trimet, GIS
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