Service updates
TerrSet liberaGIS
Freeware, streamlined; fixes and enhancements, newly released on December 2, 2024
TerrSet 2020
Includes many enhancements and fixes, posted October 15, 2021
TerrSet 18.31
Includes many enhancements and fixes, posted February 16, 2017
IDRISI Selva
Includes a variety of fixes, posted March 2013
Tutorials and manuals
TerrSet liberaGIS
Terrset liberaGIS Manual
Comprehensive reference with detailed information about operation and maintenance of the TerrSet liberaGIS Geospatial Monitoring and Modeling System.
TerrSet liberaGIS Tutorial
Instructional exercises to aid in understanding of the fundamentals of spatial analysis and modeling that the TerrSet liberaGIS system provides.
TerrSet Previous Versions
TerrSet 2020 Help System
The TerrSet Help system in .chm format. Provides detailed description of all TerrSet tools. (22MB)
Terrset 2020 Manual
Comprehensive reference with detailed information about operation and maintenance of the TerrSet Geospatial Monitoring and Modeling System. (8MB)
TerrSet 2020 Tutorial
Instructional exercises to aid in understanding of the fundamentals of spatial analysis and modeling that the TerrSet system provides. (5MB)
UNITAR Tutorial Workbooks
A set of tutorial workbooks and data that allows users to explore the use of GIS and image processing techniques.
IDRISI Spanish Manual
A Spanish translation of the IDRISI Guide to GIS and Image Processing, produced by staff at the Argentinean Resource Center, is available to view and download in PDF format. Translated specifically for the Selva version of IDRISI but compatible with other versions. (6MB)
Other Manuals
Remote Sensing with TerrSet 2020 / IDRISI: A Beginner’s Guide
The Remote Sensing Guide provides a comprehensive introduction to the TerrSet remote sensing software package. With clear instructions and more than 300 color illustrations, the text is ideal for students and professionals seeking a hands-on and guided exploration of the fundamental issues in remote sensing and image processing. This latest version is digital only and compatible with all Terrset versions, including the latest liberaGIS.