Categorization and Conversions for Indexing Methods of Discrete Global Grid Systems
نویسندگان
چکیده
منابع مشابه
Categorization and Conversions for Indexing Methods of Discrete Global Grid Systems
Digital Earth frameworks provide a tool to receive, send and interact with large location-based data sets, organized usually according to Discrete Global Grid Systems (DGGS). In DGGS, an indexing method is used to assign a unique index to each cell of a global grid and the data sets corresponding to these cells are retrieved or allocated using this unique index. There exist many methods to inde...
متن کاملIndexing a Discrete Global Grid
In an increasingly interconnected world, the development of computer friendly systems for the display and analysis of global data is an important issue. This paper concerns a method for computer representation and manipulation of global data based on multi-resolution subdivisions of regular polyhedra. In particular, the problem of efficiently indexing the cells of such a discrete global grid is...
متن کاملDiscrete Global Grid Systems*
A new class of spatial data structures called discrete global grid systems (DGGS’s) is introduced and the general application classes for it are discussed. DGGS’s based on subdivisions of the platonic solids, called Geodesic DGGS’s, are then introduced. A number of existing and proposed Geodesic DGGS’s are examined by looking at four design choices that must be made in constructing a Geodesic D...
متن کاملGeodesic Discrete Global Grid Systems
In recent years, a number of data structures for global geo-referenced data sets have been proposed based on regular, multi-resolution partitions of polyhedra. We present a survey of the most promising of such systems, which we call Geodesic Discrete Global Grid Systems (Geodesic DGGSs). We show that Geodesic DGGS alternatives can be constructed by specifying five substantially independent desi...
متن کاملIndexing of the Discrete Global Grid Using Linear Quadtree
In recent years a method of recursive subdivisions of the triangular faces of the octahedron or icosahedron has been developed for approximating to the surface of the earth. But the triangle-based discrete grids produced by this method are complicated in geometry structure, and is difficult to make such geographical operations as neighbor-finding, spatial searches and so on. In this paper we co...
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ژورنال
عنوان ژورنال: ISPRS International Journal of Geo-Information
سال: 2015
ISSN: 2220-9964
DOI: 10.3390/ijgi4010320