icosa

The icosa package provides tools to aggregate and analyze geographic data
using grids based on tessellated icosahedra. The procedures can be set to provide a grid with a
 custom resolution. Both the primary triangular and their inverted penta-
 hexagonal grids are available for implementation. Additional functions
 are provided to position points (latitude-longitude data) on the grids,
 to allow 2D and 3D plotting, use raster and vector spatial data.

Implementation of icosahedral grids in three dimensions. The spherical-triangular tessellation can be set to create grids with custom resolutions. Both the primary triangular and their inverted penta-hexagonal grids can be calculated. Additional functions are provided that allow plotting of the grids and associated data, the interaction of the grids with other raster and vector objects, and treating the grids as a graphs.

Adam Kocsis

Global Triangular and Penta-Hexagonal Grids Based on Tessellated
Icosahedra

Adam T. Kocsis

Deutsche Forschungsgemeinschaft 

FAU GeoZentrum Nordbayern 

icosa function

Adam T. Kocsis (adam.t.kocsis@gmail.com)

icosa: Global Triangular and Hexa-Pentagonal Grids Based on Tessellated Icosahedra

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Examples