gvSIG:An “Open Source” Option for GIS

Dr. Scott A. SamsonExtension Professor

Geosystems Research InstituteMississippi State University

Background

• Developed for the Regional Ministry of Infrastructure and Transport of Valencia (Spain) in 2004 through a collaboration of private sector and universities

• Provided as “open source” to expand GIS technology and foster a community of users and developers to promote the sharing of knowledge around gvSIG

Features• Vector and raster support (40+ formats)• Feature and attribute editing• Suite of geoprocessing tools• Topology and associated rules• Cartographic layout• Remote service access (WMS, WFS, WCS)• Graphic modeling environment• Scripting through Jython

System Requirements

• Pentium III / 256MB RAM(Pentium IV / 512 MB RAM recommended)

• Operating Systems– Windows (2000,XP, Vista, 7)– Macintosh (OS X 10.6 +)– Linux (Unbuntu 6.6, 9.10 & 10.4 tested)

Editing

Symbology

Layout Constructor

Geoprocessing

Sextante

• Developed in 2004 for regional foresters under auspices of the government of Extremadura (Spain)

• Stand-alone JAVA library of spatial analysis tools

• Complete integration with gvSIG

Modeler

Network Analysis

3D Extension

gvSIG Mobile

• Vector (SHP, KML & GML) and attribute editing

• ECW, JPG, PNG, GIF• GPS compatible• Query and selection• Access to remote

services via WMS• Windows Mobile 5 & 6

Community

gvSIG Projecthttp://www.gvsig.org

gvSIG OA Digital Editionhttp://oadigital.net