Caitlin Dempsey
Statistical Surfaces in GIS
This looks at some statistical analysis in GIS. A statistical surface is any geographic entity that can be thought of as containing a Z value for each X,Y location.
How to Translate GIS into Different Languages: GIS Around the World
How is "geographic information systems" translated into different languages?
Typefaces for National Geographic Maps
The National Geographic Society is renowned in part for its stunning maps, each labeled in incredible detail. The distinctive lettering ...
Make Your Own Maps with Google Maps Engine Lite
Google Maps Engine Lite is a simpler version of the Google Maps Engine that allows users to create and share their own maps.
Mapping Social Vulnerability
Oxfam America has released new maps about the geography and the people of the US Southeast, specifically Louisiana and Mississippi. This project ...
Measuring Earthquakes from Space
Up until recently, seismometers have been a strictly Earth-bound devices, diligently tracking each and every change in the Earth’s surface ...
Explore John Snow’s Cholera Map using GIS Data
Explore the GIS data behind John Snow's famous cholera map and discover how spatial analysis helped transform public health.
Cat Map
With over 11,000 cat locations mapped to date, the Cat Map is a crowd sourced survey of domestic feline
Grassroots Aerial Mapping
Aerial imagery has evolved into a more complex and sophisticated enterprise with most aerial imagery today being captured by aircraft ...
Map of Cardinals
Eligible cardinals from around the world are gathered in the Vatican for the papal conclave.
Introduction to GIS
The fundamentals of GIS involve an understanding about data types, projections, data quality (accuracy and precision), how to collect data ...
Converting Shapefiles to Google Fusion Tables
Learn how to import shapefile GIS data directly into Google Fusion tables.
GIS Organizations
Joining a GIS organization is a great way to network and to exchange ideas. There is a growing number of non-profit and industry specific groups to choose from.
Mark Greninger | Profiles from the Geospatial Community
Mark Greninger, the GIO for Los Angeles County since 2006, shares his views on the GIS field in the latest Profiles from the Geospatial Community.
Attribute Data Types for GIS
There are two components to GIS data: spatial information (coordinate and projection information for spatial features) and attribute data. Attribute ...
Making Maps with D3
D3 is a JavaScript data visualization library using HTML, SVG and CSS. D3 stands for Data Driven Documents and was developed by Mike Bostock, ...
Wearable Cartography – Portable Mapping System
Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory have developed a portal mapping system that transmits remotely a digital map ...
Map of the 2010 Census Using Dots
A map of the 2010 Census was created by Brandon Martin-Anderson, who assigned a dot to each of the 308,450,225 people counted.
Who Coined the Phrase Geographic Information System?
The phrase Geographic Information System was a term promoted by Roger Tomlinson back in the 1960s.
Fun Map and Geography Themed Gifts for 2012
The gift giving season is upon us. So, what to get for that Geogeek or map aficionado? [accordion] [toggle title=”Disclosure ...
New Map of the Earth’s Night Lights
NOAA has released an updated map of the Earth, showing light sources at night from street lights, oil and gas drilling, wildfires, volanic activity, and skyglow.
Change Detection in GIS
Change detection in GIS is a method of understanding how a given area has changed between two or more time ...
Six of this Year’s Most Interesting Maps
Every year, there seems to be a handful of maps that fascinate the masses and fire up the social media platforms. Listed here are some of the more fascinating maps and GIS data visualizations that caught the public's attention in 2012.
World GIS Data
Looking for global GIS data? Listed here are free sources for finding GIS data in both vector and raster formats ...