Object-Oriented User Interfaces for Map Algebra

  title={Object-Oriented User Interfaces for Map Algebra},
  author={IVAN LUCENA and Gilberto C{\^a}mara and Mario A. Nascimento},
Most GIS implementations include Map Algebra procedures to express complex spatial analysis models, and to generate new maps from existing ones. However, most Map Algebra implementations (whether command-line languages or graphical user interfaces) are based on an explicit use of raster data structures, with very little semantic information available to the user. This paper proposes a different approach: Map Algebra operations are defined in terms of higher-level spatial data types, such as… CONTINUE READING


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The Geographer’s Desktop: A Direct-Manipulation User Interface for Map Overlay." In: Auto-Carto

M. Egenhofer, Richards
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" The Geographer ’ s Desktop : A Direct - Manipulation User Interface for Map Overlay . " In : Auto - Carto 11 ,

M. Egenhofer, J.. Richards

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