Study on mathematics base and multi-expressing system of coastal zone geographic information

Di Wu; Wenqian Huang

doi:10.1117/12.712985

28 October 2006 Study on mathematics base and multi-expressing system of coastal zone geographic information

Di Wu, Wenqian Huang

Proceedings Volume 6420, Geoinformatics 2006: Geospatial Information Science; 642019 (2006) https://doi.org/10.1117/12.712985
Event: Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 2006, Wuhan, China

Abstract

Coastal zone geographic information is coastal zone spatial data including remote sensing images, digitized maps or charts and various surveying and statistical data. With the development of Digital Earth, coastal zone geographic information is changing from plane, static and isolated to three dimensional, dynamic and associated. However, there is no comprehensive, compositive and dynamic study on processing of coastal zone spatial data. Mathematics base is the basic study on multi-expressing of coastal zone geographic information, which includes coordinates system and projection system. The influence of geodesy surveying datum system is expressed through the plane coordinates system and vertical datum system. According to digital maps, remote sensing images and three dimensions terrain sight, there are three typical projections: static map projection, dynamic space projection and three dimensions perspective projection. The mathematics base can be unified to ellipsoidal geographic coordinates. Coastal zone geographic information multi-expressing system (CZIMS) is explored in VC++ programming language, and the integrated structure of CZIMS is discussed. The key technologies including coastal zone vector map display, remote sensing images processing and three dimensional terrain building are studied. The system is developed to provide real-time, dynamic information and multianalysis for coastal zone monitoring and management.

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Di Wu and Wenqian Huang "Study on mathematics base and multi-expressing system of coastal zone geographic information", Proc. SPIE 6420, Geoinformatics 2006: Geospatial Information Science, 642019 (28 October 2006); https://doi.org/10.1117/12.712985

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KEYWORDS

Remote sensing

Geographic information systems

Mathematics

3D image processing

Geodesy

3D displays

Projection systems

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