Data visualization in geoinformation systems

Vitaly A. Galinsky

doi:10.1117/12.347429

5 May 1999 Data visualization in geoinformation systems

Vitaly A. Galinsky

Proceedings Volume 3687, International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (1999) https://doi.org/10.1117/12.347429
Event: International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 1998, St. Petersburg, Russian Federation

Abstract

The paper is devoted to cartographic data visualization. Initial data is presented by point coordinate array with the specified altitude values. The purpose of developed algorithm is building topographic maps with automated color placing, where the point color corresponds to the point altitude value. Two types of the maps are considered in the paper: physical maps and schematic terrain relieves. Algorithm is based on the primary data handling with Delaunay triangulation and sequential approximation of the altitudes of raster image points (or grid nodes for terrain relief). As post-processing, B-splines blending is applied to increase visual quality of the map.

Citation Download Citation

Vitaly A. Galinsky "Data visualization in geoinformation systems", Proc. SPIE 3687, International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (5 May 1999); https://doi.org/10.1117/12.347429

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