Robinson Projection

The Equal Earth Map Projection

October 13, 2018By Mark AltaweelMaps and Cartography

Researchers recently announced the development of the Equal Earth map projection, which has quickly gained influence due to its ability in maintaining accurate area without distortion.

Transversal Mercator projection. Map center is at 0°E, 0°N. Left border is near 85°W, right border is near 85°E. Source: Lars H. Rohwedder.

Common Map Projections

December 3, 2011By Rachel QuistGIS Learning

Selecting the right map projection is one of the important first considerations for accurate GIS analysis. Reviewed here are the Robinson, Transverse Mercator, Lambert Conformal Conic, and Space Oblique Mercator projections

Elements of a Map

Map elements such as the map frame, legend, and north arrow are parts of what create a map.

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions.

What is GIS?

GIS is a technological field that incorporates geographical features with tabular data in order to map, analyze, and assess real-world problems. The key word to this technology is Geography – this means that some portion of the data is spatial.

Open Source GIS and Freeware GIS Applications

An open source application by definition is software that you can freely access and modify the source code for. Open source projects typically are worked on by a community of volunteer programmers. Open source GIS programs are based on different base programming languages. Three main groups of open source GIS […]

Calculating Polygon Area in ArcMap

Here are the steps for calculating the area of a polygon using ArcGIS.