geodatabase

A Case Study on Converting a Geodatabase From ArcGIS for Use in QGIS

June 4, 2019By Charles AltendorfGIS Software

In this article Charles Altendorf outlines a method he developed to convert GIS data located in a geodatabase created in ArcGIS into open source data that can be used in QGIS.

Query result of GTS spatial data in mongoDB. From: Zhang, Song, & Liu, 2014.

GIS File Formats

December 1, 2017By Caitlin DempseyGIS Data

Listed here are some of the more common file formats along with associated file extension for GIS file types.

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.

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.

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.