Results 21 to 30 of about 44,397 (261)
Disdyakis Triacontahedron Discrete Global Grid System
, 2022 The amount of information collected about the Earth has become extremely large. With this information comes the demand for integration, processing, visualization and distribution of this data so that it can be leveraged to solve real‑world problems.
Hall, John
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Lattice Quad-Tree Indexing Algorithm for a Hexagonal Discrete Global Grid System
ISPRS International Journal of Geo-Information, 2020 Hexagonal discrete global grid systems are the preferred data models supporting multisource geospatial information fusion. Related research has aroused widespread concern in the academic community, and hierarchical indexing algorithms are one of the main
Jianbin Zhou +4 more
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Implementing the QTM discrete global grid system (DGGS)
, 2022 QTM Generator is a tool to make a Quaternary Triangular Mesh (QTM) to tessellate the planet geodetically into a discrete global grid system (DGGS) based on an octohedron. Each triangular facet resursively subdivides into four smaller ones to build a hierarchical mesh.
Raposo, Paulo
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Modeling and Expression of Vector Data in the Hexagonal Discrete Global Grid System [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 The Discrete Global Grid System (DGGS) is a new type of global spatial data model and is the extension of the plane grid on a sphere. The hexagon is usually used in the construction of DGGS for its advantageous geometric structure.
X. C. Tong +3 more
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A five-dimensional geometric uniformity framework for spherical diamond grids [PDF]
Scientific ReportsDiscrete Global Grid Systems (DGGS), as a next-generation framework for the digital Earth, inevitably suffer from geometric non-uniformity, which impacts the accuracy of data representation and analysis.
YuanZheng Duan +4 more
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Duality and Dimensionality Reduction Discrete Line Generation Algorithm for a Triangular Grid
ISPRS International Journal of Geo-Information, 2018 Vectors are a key type of geospatial data, and their discretization, which involves solving the problem of generating a discrete line, is particularly important. In this study, we propose a method for constructing a discrete line mathematical model for a
Lingyu Du +4 more
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Accuracy Evaluation Method for Vector Data Based on Hexagonal Discrete Global Grid
ISPRS International Journal of Geo-InformationWith the continuous advancement of technology for obtaining geographic spatial data, the accumulated volume of such data has been increasing, thus imposing higher demands on the storage, organization, and management of such data.
Yue Ma +3 more
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Indexing Mixed Aperture Icosahedral Hexagonal Discrete Global Grid Systems [PDF]
ISPRS International Journal of Geo-Information, 2020 Discrete global grid systems (DGGSs) are an emerging multiresolution 3D model used to integrate and analyze big earth data. The characteristic of multiresolution is usually realized by hierarchically subdividing cells on the sphere using certain ...
Rui Wang +3 more
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An Improved Identification Code for City Components Based on Discrete Global Grid System
ISPRS International Journal of Geo-Information, 2017 City components are important elements of a city, and their identification plays a key role in digital city management. Various identification codes have been proposed by different departments and systems over the years, however, their application has ...
Kun Qi +5 more
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ISPRS International Journal of Geo-InformationThe Discrete Global Grid System (DGGS) provides a foundational framework for the digital Earth, where uniform intercell distances are essential for accurate numerical simulations.
Fuli Luo +4 more
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