A Hierarchical Coordinate System for Geoprocessing and Cartography

Abstract

1. Introduction and Problem Statement -- 2. Historical and Conceptual Background -- 3. Computational Aspects of a Quaternary Triangular Mesh -- 4. Using QTM to Support Map Generalization -- 5. QTM Scale Filtering: Tests and Evaluations -- 6. New Approaches to Cartographic Questions -- A. Quaternary Triangular Mesh Data Processing -- B. Basic, Computational and Invented Geospatial Terms -- C. Generalization Experiments: Statistical Results -- D. Generalization Experiments: Cartographic Results -- E. Efficiency of QTM as a Spatial Index for Point Data.