Commonly referred to as GRASS, this is free Geographic Information System
(GIS) software used for geospatial data management and analysis, image
processing, graphics/maps production, spatial modeling, and
visualization. GRASS is currently used in academic and commercial
settings around the world, as well as by many governmental agencies
and environmental consulting companies. GRASS is an official project of
the Open Source Geospatial Foundation.
Spatial approximation and topographic analysis from given point or isoline data in vector format to floating point raster format using regularized spline with tension.
09 Jun 2009:
GRASS 6.4.0 RC5 released - Fifth release candidate of stable release 6.4.0 which includes the new graphical user interface, native MS-Windows support new functionality and bugfixes
