Open Source GIS 101, Part 5: OpenJUMP
Part 5: Open JUMP (Open Java Unified Mapping Platform) In 2002, JUMP was created by Vivid Solutions as part of a Canadian environmental project for conflating road and river GIS features. The software...
View ArticleOpen Source GIS 101, Part 6: Quantum GIS
Part 6: QGIS (Quantum GIS) Eleven years ago, Gary Sherman began developing a GIS viewer for the Linux desktop. Though the early progress was slow, the project gradually accumulated more contributors...
View ArticleOpen Source GIS 101, Part 7: GDAL/OGR
Part 7: GDAL/OGR – (Geospatial Data Abstraction Library/OGR Simple Features Library) There are times when we need to leave behind the world of point and click for the power and flexibility of the...
View ArticleOpen Source GIS 101, Part 8: Projections
Part 8: A Few Notes About Map Projections There are plenty of books on Geodesy, but here we’ll focus on selecting your Coordinate Reference System (CRS) for your GIS project. Luckily, there is a well...
View ArticleGRASS Turns 30
OSGeo recently released this article marking 30 years of GRASS GIS development. Released under the GPL, GRASS is completely free to download and install. Some I have talked to consider this software to...
View ArticleUpcoming OSGIS Events
A few Open Source GIS (OSGIS) events are coming up in October. Event: So Cal URISA Seminar – ESRI and Open Source Web Mapping Date: Tuesday, October 22, 2013, 9:00 AM – 12:00 PM Cost: Free to So Cal...
View ArticleQGIS 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...
View ArticleOpen 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...
View ArticleOpen 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”....
View ArticleOpen 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...
View ArticleTileMill 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...
View ArticleFOSS4G 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,...
View ArticleLA 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...
View ArticleQGIS 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...
View ArticleSoCal 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...
View ArticleURISA 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,...
View ArticleFOSS4G 2014 Videos Available
If anyone missed the FOSS4G 2014 international conference in Portland, we can thank the presenters and event organizers for their generosity. This year’s 187 General Sessions were recorded and are...
View ArticleOpenStreetMap Meetup event on 1/17/15
Claremont Graduate University invites you to a free Open Street Map event January 17th, 9am – 1pm Saturday. Discover how to easily digitize in support of humanitarian purposes (we’ll respond to urgent...
View ArticleOpen Source Workshop
Passing this along from SoCal URISA… SoCal URISA, along with Palomar College, presents a Certified URISA workshop on Open Source GIS, with URISA instructor Sara Yurman. Date: Saturday, April 25th, 2015...
View ArticleUpdate to Preferred GIS Technologies
LA County has released an update to our preferred technologies for GIS, which recognizes the value, increasing adoption rates, and power of Leaflet (http://leafletjs.com), which is an open source...
View ArticleWhat is Open Street Map?
About a decade ago, a group of cyclists in the U.K. were frustrated with the lack of freely available street map data. Cyclists need to know how to get from here to there without freeways. This is what...
View ArticleRoam for Windows Tablets
IntraMaps Roam is a free and open source app for offline tablet use, providing a field-friendly interface ‘skin’ on top of QGIS. On tablets we tested, panning, zooming, editing, and taking pictures...
View ArticleOSGeo Kids’ Map Gallery
Even as FOSS4G 2016 was ending in Bonn barely two weeks ago, organizers are busily preparing for FOSS4G 2017 in Boston next summer. Among many other things, a Kid’s Map Gallery is being planned, with...
View ArticleThe Undiscovered Country
If you are a regular user of PostGIS, you probably already know that Paul Ramsey is its most well known champion. In a keynote he gave at Geomatiqué 2016 in Montreal, he provided some insights on where...
View ArticleBig Data Day LA 2017
Did you ever want to learn more about Hadoop, Spark, and gleaning loosely structured NoSQL data stores for trends? Big Data Day LA offers numerous sessions for everyone from hardcore data scientists...
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