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Types of GIS Data Explored: Vector and Raster

May 1, 2017By Caitlin DempseyGIS Data

This article discussions different types of GIS data in both vector and raster formats.

GIS Data

December 7, 2011By Caitlin DempseyGIS Data

This is the launch page for finding information about GIS data: what is geographic data and the different types (vector versus raster), what are errors in GIS data, metadata, and where to find GIS data on the Internet. Introduction to GIS Data Geodatabases Explored – Vector and Raster Data Vector […]

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.