ESRI ARC/INFO 8.0.1 and ERDAS Imagine 8.4 are now available on the HKUGIS and HKUSUA servers.
ARC/INFO is a geographic information system (GIS) for mapping and analyzing events that happen on earth. GIS technology integrates common database operations such as query and statistical analysis with the unique visualization and geographic analysis benefits offered by maps. These GIS abilities make it possible to explain events, predict outcomes and plan strategies. ARC/INFO is developed by ESRI (Environmental Systems Research Institute, Inc.).
ERDAS IMAGINE is a geographic Imaging software that makes mapping and geographic analysis easy for the user. It is supported by the ERDAS, Inc., a mapping software company specializing in geographic imaging solutions.