2008•Unpublished venueRequires access

Design and realization of map projection extension component in GIS

Xinying Zhang

Abstract

Map projection is the core of the mathematics foundation in GIS. The problem how to draw three-dimensional entities in spherical surface to two-dimensional plane is solved. Firstly, the concepts and transformation ways of map projection are presented. Fur- thermore, for mutual transformations between map projections, a map projection extension model is realized, which improves the ex- tendibility of projection component and satisfies the need that users extend map projection.

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Available abstract

Key concepts: Projection (relational algebra), Map projection, Computer science, Extension (predicate logic), Graphical projection, Projection plane, Transformation (genetics), Component (thermodynamics)