Geographic Information Sharing Technology

Author: Lu Guoyan
Publisher:
Publish Date: 2007-01-01
Features: Based on an analysis of the urgent need and existing issues in current geographic information sharing, this book systematically examines the shortcomings of traditional data models in geographic data sharing, as well as the advantages of newly developed unified geographic data models and geographic information sharing data models (GML) in this regard. It explores the technical frameworks and systems for sharing and utilizing geographic information in GIS environments. The book comprehensively elaborates on several key technologies of geographic information sharing from multiple perspectives, including GIS data conversion technology, GIS interoperability technology, GIS map symbol sharing technology, techniques for sharing and reconstructing spatial relationships of geographic data, spatial service-based geographic information sharing technology, and spatial metadata-based geographic information sharing technology. Building on this foundation, it analyzes the mechanisms and methods of urban geographic information sharing. This book can serve as a textbook or reference material for undergraduate and graduate students majoring in geographic information systems, surveying and mapping, and related disciplines. It is also suitable for professionals engaged in GIS theory, methods, and research, as well as technical personnel involved in applied GIS design and development.