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For specific needs, users of cartographic software increasingly require attached databases and options to create high quality maps within one and the same program. Unfortunately, GIS programs are not very user-friendly and do not have important symbolisation and editing options. On the other hand, cartographic software lack functions for modelling, storage, management and analysis of referenced and interconnected data. Recently developed GIS desktop software tries to combine both, standard GIS operations and more user-friendly as well as more challenging visualisation options. Furthermore, extensions for simple graphic software now allow the user to import GIS data without loss of spatial information. Beside this, various mapping programs have been created in order to combine spatial information with a more flexible and user-friendly visualisation (Hurni. L. et al. 2000).
The overview of the main differences between GIS programs and CAC software in the previous table leads to a relatively strict division of tasks and applications (Dickman et al. 1999).
The number of computer programs for spatial data analysis and visualisation has increased during the last decade. Find following, an overview of main GIS and CAC Software products. Roll over the table with your mouse to visualise the software options.