The Integrated Land and Water Information System (ILWIS) is a PC-based GIS & Remote Sensing software, developed by ITC up to release 3.3 in 2005. ILWIS comprises a complete package of image processing, spatial analysis and digital mapping. It is easy to learn and use; it has full on-line help, extensive tutorials for direct use in courses and 25 case studies of various disciplines. Key features

* Integrated raster and vector design
* Import and export of widely used data formats
* On-screen and tablet digitizing
* Comprehensive set of image processing tools
* Orthophoto, image georeferencing, transformation and mosaicing
* Advanced modeling and spatial data analysis
* 3D visualization with interactive editing for optimal view findings
* Rich projection and coordinate system library
* Geo-statisitical analyses, with Kriging for improved interpolation
* Production and visualization of stereo image pairs
* Spatial Multiple Criteria Evaluation
* Set of operations on DEMs/DTMs and hydrological processing