Map Projections

Projections for a Digital Earth

4607.1 - Geospatial Information Grid - Digital Earth Fundamental Framework

Tuesday, July 4
2:50 PM - 3:10 PM
Location: Maryland B

Represented by Discrete Global Grids, the research about global simulation system based on discrete grid cell has formed an important domain which namely Geospatial Information Grid. This paper reviews the research history of Geospatial Information Grid, and argues that Geospatial Information Grid is a kind of human spatial cognition theory. From the perspective of the development of human spatial cognitive tools, as our understanding of the geospatial environment, time and space practice, Geospatial Information Grid developed continuously. The development of Geospatial Information Grid can be divided into these phases – the ancient simple grid, modern measurement grid, and contemporary stages of information grid.
In recent years, various kinds of partition and coding model, data organization model, spatial analysis method appeared in the field of Geospatial Information Grid. And these research results had broad application in the global virtual geographic environment, geospatial information service, earth system simulation and so on. The relevant international and national standards are also gradually formulated and issued. This paper argues that Geospatial Information Grid will become the new fundamental framework of digital earth based on four aspects analysis.
First, this paper argues that the digital earth research scope expanded to land, sea, sky and space, the scale spanned greatly, based on the analysis of characteristics of digital earth data sources in the ear of big data. So that this field meets challenges such as standardization, refinement, network and intelligence. Second, this paper argues that the model theory is considered as the fundamental of Geospatial Information Grid, and Geospatial Information Grid is considered as the map projection model, data organization model and analysis model of digital earth in the era of big data. Third, the standards systems in Geospatial Information Grid fields will be established, and Geospatial Information Grid will become an important part of national spatial data infrastructure. At last, the environment cognitive demands analysis of various intelligent machines is given, then this paper argues that Geospatial Information Grid not only provide information service for human spatial cognition, but also support the autonomous perception and control of intelligent machines, so that it will become a new research direction.
This paper mainly put forward theoretical analysis and exploration of Geospatial Information Grid. This paper argues that Geospatial Information Grid is considered as a kind of human spatial cognition theory, and will become the new fundamental framework of digital earth in the era of big data.

Gang Wan

Zhengzhou Institute of Surveying and Mapping

WAN Gang, born in 1972, obtained Ph.D. in 2006, now is a professor and Ph.D. supervisor in Zhengzhou Institute of Surveying and Mapping. Prof. WAN has been engaged in the teaching and research work of geographic information grid, virtual geographic environment and simulator. And he has in charge of scientific research projects, including fund project of multiple national natural science, national 863 program and others, and has got more than 10 items national and provincial science and technology awards. He has published more than 40 papers and 3 monographs and textbooks, and been authorized 7 patents.

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Xue-Feng Cao

Lecturer
Zhengzhou Institute of Surveying and Mapping

CAO Xue-Feng, now is a lecture and Master. supervisor in Zhengzhou Institute of Surveying and Mapping. Dr. CAO has been engaged in the teaching and research work of geographic information grid. And he has in charge of one national natural science project. He has published more than 10 papers.

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Miljenko Lapaine

Professor
University of Zagreb, Faculty of Geodesy

Miljenko Lapaine graduated from the Faculty of Science, University of Zagreb, in the field of Theoretical Mathematics. He obtained his PhD from the Faculty of Geodesy, University of Zagreb with a dissertation entitled Mapping in the Theory of Map Projections. He has been a full professor since 2003. He has published more than 900 papers, several textbooks and monographs. Prof. Lapaine is the Chairman of the ICA Commission on Map Projections, a founder and President of the Croatian Cartographic Society and the Executive editor of the Cartography and Geoinformation journal.

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