GTECH 709 GIS hierarchies Chrisman’s spheres ANSI SPARC model

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Presentation transcript:

GTECH 709 GIS hierarchies Chrisman’s spheres ANSI SPARC model Levels of modeling

Chrisman’s Spheres

ANSI-SPARC Model for Software Development GIS are systems to model the world User Model Conceptual Model Operational Model

GIS Are Systems to Model the World User Model – how we intuitively think Conceptual Model Operational Model ANSI-SPARC Model for software development

GIS Are Systems to Model the World User Model Conceptual Model Operational Model ANSI-SPARC Model for software development how we systematically define ideas

GIS Are Systems to Model the World User Model Conceptual Model Operational Model how we fuse systematic thinking into a technologically defined context

The ANSI/SPARC Model and Chrisman’s Spheres application disciplines context discipline spatial modeling conceptual modeling logical data modeling physical data modeling OPERATIONAL geoinformation theory computer science

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