Discussion If you are like me, and if so, I apologize and sympathize, then you probably have a few layers that you use all the time. These are likely part of your base layer set that you include in most of your maps. For me, these include parcels, roads, the city boundary, and aerial photos. …
It has now been a couple of days since the end of the CalGIS conference for 2014. For those that do not know, CalGIS is the California GIS Conference. It is hosted every year by the four chapters of the Urban and Regional Information Systems Association (URISA): Northern California Chapter of URISA, Central California Chapter …
This is the second in a series of posts that will look individually at a number of different database formats. I will discuss installing and basic configuration, as well as how to enable support of spatial data types in the database. This post will be on the open-source RDBMS, PostgreSQL. The first step is going …
The first step in putting together an open source suite of GIS software is to install some sort of storage medium for your spatial data. There are many options out there, ranging from the ESRI personal geodatabase, which uses a Microsoft Access database, to a fully relational database management system like PostGreSQL with PostGIS. Each …
The title of this post is in some ways rhetorical because to some people, this is their primary means of interaction with a computer. With the majority of people, though, I think a safe assumption is that the command line is something they have heard about, but don’t really understand where it is, or even, …
Finding open source GIS software is as simple as a Google Search. Of course, once you do that, sorting through the hundreds of returns to find something useful, is likely to be a challenge. If you look at the results for “open source GIS”, the first would seem likely. That site, however, hasn’t been updated …
