This case study proposes the use of the neighborhood operations of ILWIS for two types of analysis:

1. intervisibility-viewshed analysis, and
2. simulation of animal flows.

For more information on this case study, contact:

A. Patrono and A. Saldaņa
Department of Earth Systems Analysis,
International Institute for Geo-Information Science and Earth Observation (ITC),
P.O. Box 6, 7500 AA Enschede, The Netherlands.