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DIGEST is the Digital Geographic Information Exchange Standard for interoperability and compatibility among national and multinational systems and users. It is a standard based on the Vector Product Format (VPF), used by NATO and the United States Defense Mapping Agency for capturing geographical data. Finally, there is an aid available to users of Geographical Information System (GIS) and developers of GIS technology working with DIGEST. This book was developed from a series of lectures given by Dr. Kelly Chan, recognized as a leading authority on the standard. It is specifically designed to allow the user to finally make practical use of this difficult material. Dr. Chan's work allows the user to write specific programs tailored to particular needs.
Table of Contents
Introduction History Key Terms and Concepts Glossary Database Organization Sample VPF Organization Data Structures Introduction Naming Convention Table Structure Data Types Features and Feature Classes Introduction Organization Types Implementation Feature Class Schema Primitives Introduction Types Topology Wing-Edge Topology Topology Level Implementation Index and Tiling Feature Join Index Thematic Index Spatial Index Tiling Tiled Topology Boundary Conditions Universe Face Meta-Data Transmittal Data Database Description Data Quality Properties DQ Library Database Navigation Spatial Query Attribute Query
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CHOICE – Outstanding Academic Title – Award Winner
CHOICE – 2018 Outstanding Academic Title – Award Winner
Shingo Research and Professional Publication Award Winner
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