Tags » QGIS

Visualizing direction-dependent values

When mapping flows or other values which relate to a certain direction, styling these layers gets interesting. I faced the same challenge when mapping direction-dependent error values. 151 more words


Training courses calendar: QGIS (Desktop, Server and Web) and PostGIS

We just published our Training Courses calendar for the period September 2014 – January 2015.

This includes training courses about QGIS (Desktop, Server and Web) and PostgreSQL/PostGIS… 190 more words


NYC Councilmember: Open Data Edition


Effectively prioritizing the needs of the 150,000+ people living in District 7 of New York City is by no means an easy task for a City Councilmember and his staff. 866 more words

New York City

Web Mapping for Dummies - My personal experience

I’m back! Yes, I know, I said that a month ago but baby number 4 arrived as well as building a new intranet map system for the company I work for AND writing articles for a magazine set to take over the world – … 2,091 more words


OSM Toner style town labels explained

The point table of the Spatialite database created from OSM north-eastern Austria contains more than 500,000 points. This post shows how the style works which – when applied to the point layer – wil make sure that only towns and (when zoomed in) villages will be marked and labeled. 310 more words


The temperature of GIS

Companies all over the world use expensive, proprietary, GIS software to complete their mapping and analysis needs. These needs range from the simple display of some basic GPS data to complex multi-criteria analysis, among other tasks. 504 more words


QGIS Self-Paced Introductory Course

Some people say that one of the problems with open source software is the lack of documentation and training.  Compared with companies like ESRI, with their large expanse of training courses and online support, I can see how users of open source software could be frustrated! 82 more words