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Welcome to the Portland, OR Chapter of OSGEO - serving Oregon and SW Washington!

This wiki page is mostly historical at this point, head over to our current website


  • We now meet on the 3th Wednesday of every month from 6:00-7:30 PM at various locations.


We don't seem to update the Meetings portion of the website. Checking Caligator for "OSGeo" is probably the best route.

Past Meeting Notes

How to plan a meeting

PDX-OSGEO Meetings, third Wednesdays, for 2015, 6:00-7:30 PM
Date Location Speakers, Topics
January 21 Cramer QGIS and InkScape - Producing great cartography with open source tools by Dave Mangold.
Feb 18 Cramer CartoCSS and UTFGrids for collaborative mapping by Nick Martinelli.
March 17 Cramer Vector Tiles, Justin Miller [| http://justinmiller.io/posts/2015/01/20/anatomy-of-a-travel-map/ ]
April 15 Cramer Katie Urey, Ryan Peterson [http://spiderosm.org ]update
May 20 location tbd
June 17 location tbd
July 15 location tbd
August 19 location tbd
September 16 location tbd
October 21 location tbd
November 18 location tbd
December 16 location tbd


links for various FOSS4G 2014 pages

Upcoming Events

2015 Summer Outdoor Mapathons, tentative schedule.

  • Monday July 6 - 6PM The Portland Building under Portlandia statue. Gab for 10 minutes, divvy up quadrants- head out.
  • Monday July 13 - Along Orange TriMet MAX line, N Killingsworth St MAX Station Stop ID 11512, Morning or noonish to work with Babies and strollers.
  • Monday July 20 - Evening, Eastside... MAX Orange Line?
  • Monday July 27 - noonish, – 82nd Ave and Division? Other ideas?

Past Events


  • Sep. 8-13 (Mon-Sat) FOSS4G 2014 (Portland, Oregon, USA, Earth, Sol, Milky)


  • Mar. 21 (Thu) GPS, Geodesy and the Ghost in the Machine: A Workshop for Surveyors and GIS Professionals (PDF) (Salem, Oregon)
  • Oct. 23 (Wed) Randal Schwartz interviews Tim Sutton and Gary Sherman of QGIS on FLOSS Weekly TV (internet)
  • Oct. 25 (Fri) American Society for Photogrammetry and Remote Sensing (ASPRS) Columbia River & Puget Sound Regions 17th Annual Technical Exchange (Vancouver, Washington)



More past events

About the PDX-OSGeo Local Chapter


PDX-OSGeo is a Local Chapter of OSGeo. PDX-OSGeo has a catchment area equal to the PDX airport, Oregon and SW Washington (Vancouver, WA / Clark County, WA). Monthly meetings are held in Portland.


PDX-OSGeo has been around and meeting in one form or another since before February 2009 under various names. Since September 2010, we have been recognized as an Oregon-URISA Special Interest Group (SIG). Since 2010, the local chapter has coordinated an open source unconference with ORURISA and GIS In Action. There are also deep roots with our sister OSGeo Local Chapter, CUGOS. In August, 2012, we became an official OSGeo local chapter by action of the OSGeo August, 2012 board meeting.


The PDX-OSGeo Chapter strives to promote the local use of Open Source Geospatial software, particularly new users in the Oregon/SW Washington area. The group hosts monthly meetings providing presentation, discussion, and educational opportunities and focuses on materializing an annual Open Source GIS unconference.


Monthly Meetings, usually totaling 10/year:

  • Presentations (Application and Technical)
  • Chapter business
  • Social gathering

Regional Events:

  • Open Source GIS unconference
  • Conference participation


  • Mailing List
  • Wiki Development
  • Monthly meetings

Legal Status:

  • No real independent legal structure.
  • No real capacity to independently hold funds in other than ad hoc informal manner.
  • Affiliations with OSGeo and ORURISA help us with some of the tasks that require legal recognition as an independent entity.
  • There are currently no plans to seek any independent legal structure in the future.

Annual Reports

Getting Involved

The PDX-OSGeo Local Chapter is a flexible organization, join us and help steer.


Anyone who wants to help support our mission is free to become a member. List yourself on the PDX-OSGEO Member Page and you're in!

Mailing List

Please join our mailing list to make sure that you know what's going on. Sign up and participate (or just lurk for a while). We have two main lists:


We can be found on irc://irc.freenode.net/#osgeo-pdx when there is something to discuss.


To the extent that we think that we need leadership, it is Percy. Mostly we expect everyone to step up and help on most tasks resulting in a light load for all.

This Wiki

How To Write WIKI

Check out WikiPedia, where else. This is a great resource for many wiki writing tips

Event Set Up

Event set up notes.

Geo Resources


SPRING is a state-of-the-art GIS and remote sensing image processing system with an object-oriented data model which provides for the integration of raster and vector data representations in a single environment. SPRING is a product of Brazil's National Institute for Space Research (INPE/DPI (Image Processing Division)...

SPRING GIS documentation

USDA - NRCS SSURGO Soil Database Migration to PostgreSQL

An example of how to get SURGO soils data into a PostgreSQL database on a GNU/Linux-based OS.

File:SSURGO to PostgreSQL.odt|USDA - NRCS SSURGO Soil Database Migration to PostgreSQL

The top seven alternatives to the Google Maps API

Wm Leler of the PDX-OSGeo presented this topic and Net Magazine requested that he write it up at http://www.netmagazine.com/features/top-seven-alternatives-google-maps-api Article date: 2012-06-18.

Other useful links


Thanks to various OSGeo local chapters and other wiki contributors whose work we borrowed and particularly CUGOS.