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Polygonization and Topological Editing at the Bureau of the Census

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Polygonization and Topological Editing at the Bureau of the Census

Written by:
RR87-25

Abstract

Polygonization and Topological Editing at the Bureau of the Census
Download Polygonization and Topological Editing at the Bureau of the Census [PDF - <1.0 MB]

In 1983 and 1984, the Bureau of the Census developed a computer program to polygonize digital map data (organize linear feature information into polygons) and to validate the topological and geometric correctness of the nodes, chains and polygons. The program evolved from an earlier planar sweep program, and eliminated many of its geometric dependencies. The program runs in both an insertion and edit mode.

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