Tags » QGIS

When normals aren't normal

Hey, it’s been a while since my last post and I’ll take a second to tell you why….I got a new job as CTO of a little company called The Carto Group. 1,090 more words

GIS Tips

A simple method to compare spatial data distributions using normalized rasters

Geospatial analysis usually entails the comparison between different data sets; more often than not, the focus of such an analysis lies in the exploration of spatial correlation between ‘activities’. 629 more words


How to make a Heatmap

Heatmaps have grown to be the most popular tools when it comes to depicting “kernel density” of data. This article will provide a brief explanation of what the technique of “kernel density estimation” actually entails, then provide a walk-through leading to the creation of a complete modern heat-map, using QGIS software. 1,012 more words


Crunch-time hodge-podge.

Kind-of a long time coming, but EDRNAC images have been incorporated into the unnamed crater files in QGIS and, in places, shapefiles have been redrawn to accommodate the higher resolution data. 209 more words

Masters Thesis

Spatial Quality and Anomalies Diagnosis (SQUAD) Tool for QGIS Quick Start Guide

QGIS is a free and open-source geographic information system (GIS) software. The Spatial Quality and Anomalies Diagnosis (SQUAD) tool is a QGIS plug-in that will assess data quality of large spatial data sets. 161 more words


PyQGIS for non-programmers

If you’re are following me on Twitter, you’ve certainly already read that I’m working on PyQGIS 101 a tutorial to help GIS users to get started with Python programming for QGIS. 170 more words