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URISA Certified Workshops – to be Presented Virtually!

Passing this along from URISA.

URISA is pleased to announce the presentation of two of its most popular Certified Workshops via instructor-led web-based training. Normally full-day classroom sessions, each workshop has been re-packaged into three sections for presentation virtually without the travel expense and time away from work. The workshop content is thoroughly peer-reviewed and […]

SoCal URISA Workshop

SoCal URISA is hosting an Open Source Workshop, introducing attendees to PostGIS, Geoserver, OpenLayers and QGIS. (Bring your laptop.)

Presenter: Jeff Johnson from Boundless Location: Palomar College (about 30 minutes north of San Diego) When: Saturday, June 28, 8:00 AM – 5:00 PM Cost: Free for SoCal URISA members, otherwise purchase or renew your […]

QGIS User Groups

The guys at GIS Cafe recently sent out this article about the inaugural QGIS U.S. User Group Meeting.

As QGIS gathers momentum in the United States, it only makes sense to see the beginning of user group meetings. QGIS user groups are much more common in Europe, where open source GIS use and […]

LA County GIS Data Portal adds instructional videos

We have a pair of instructional videos for the LA County GIS Data Portal that will help you make better use of the data. The first video shows you how to find and download GIS data from our site, while the second shows you how to use free software to begin making […]

FOSS4G 2014 Registration Opens

Today, registration opens for the annual international FOSS4G conference (Free and Open Source Software for Geospatial).

Organized by OSGeo, this year’s event returns to North America via Portland, Oregon, U.S.A. and takes place September 8-13.

To learn more about the workshops, presentations, social events, and the people who make it happen, visit

TileMill and Mapbox

TileMill is a free and open source desktop application that runs on Windows, Mac, and Ubuntu. As the name suggests, TileMill produces a set of cached image tiles, while Mapbox provides a means to host your cache online, using Open Street Map as a base.

A few weeks ago, I tried out the […]

Open Source GIS 101, Part 11: Why Learn About Open Source GIS?

Part 11: Why Learn About Open Source GIS? (and Final Overview of this Series)

There are many opinions about the risks and benefits of open source GIS software. Los Angeles County uses ArcGIS for its operational needs. After all, ArcGIS is mature, high quality software, and considerable resources have already been invested.

Even so, there […]

Open Source GIS 101, Part 10: OSGEO, The Organization

Part 10: OSGEO, The Organization

The Open Source Geospatial Foundation (OSGeo) “was created to support the collaborative development of open source geospatial software, and promote its widespread use”.

Not all open source projects are the same. Some applications are more powerful, user-friendly, and better developed than others. To gain the OSGeo’s stamp of approval, expert […]

Open Source GIS 101, Part 9: A File Geodatabase?

Part 9: An Open Source Alternative to the File Geodatabase (Sort of)

Several GIS users enjoy the convenience of using personal geodatabases (.mdb format) to manage maps and tables in a single disk file.

For those who would like to venture into an open source answer to geodatabase functionality, let’s look at November 13th, 2013 | Tags: , , , | Category: Announcements, Open Source Software, Technical | Leave a comment

QGIS 2.0 Released

Last week OSGeo announced the release of QGIS 2.0.1 “Dufour”.

Per OSGeo, “This release contains new features and extends the programmatic interface over QGIS the 1.x release series.”

First impressions reveal numerous changes for the better. The home page looks slick and uncluttered. The software itself shows […]