Global Triangular and Penta-Hexagonal Grids Based on Tessellated Icosahedra

arcdist | Calculation of distances along arcs |

arcdistmat | Calculation of distance matrices along arcs |

arcpoints | Calculation of points along an arc |

CarToPol | Conversion of 3d Cartesian coordinates to polar coordinates |

centers-methods | The face centers of an icosahedral grid object |

chullsphere | Spherical convex hull |

edgelength-methods | Lengths of grid edges |

edgelength-trigrid-methods | Lengths of grid edges |

edges-methods | The edges of a 3d object |

facelayer-class | Container for data storage using the faces on icosahedral... |

faces3d-methods | Methods of 3d face plotting. |

faces-methods | The faces of a 3d object |

gridgraph-methods | Create or instantiate an 'igraph' class graph from the faces... |

gridlabs | Labels of grid vertices, faces and edges |

gridlabs3d-methods | Display the names of the grid elements in 3d plots. |

guides3d | Guides for 3d spherical plotting. |

heatMapLegend | Legend for a heatmap with predefined colors. |

hexagrid-class | A penta-hexagonal icosahedral grid |

icosa | Global Triangular and Hexa-Pentagonal Grids Based on... |

length-methods | The length of a trigrid or, hexagrid class object. |

lines3d-method | Methods of 3d line plotting. |

lines3d-methods | 3d plotting method of a Line class object |

lines-methods | Lines method for the trigrid and hexagrid classes |

locate-methods | Basic lookup function of coordinates on an icosahedral grid |

names-methods | The face names in a gridlayer class object |

newgraph-methods | Add an igraph object to a predefined slot in a trigrid or... |

newsp-methods | Add SpatialPolygons object to a predefined slot in a trigrid... |

occupied | Faces occupied by the specified object |

orientation-methods | Extracting the grid orientation |

plot3d-method | 3d plotting of an icosahedral grid or its subset |

plot3d-methods | 3d plotting of a facelayer of an icosahedral grid or its... |

plot-methods | 2d plotting of a facelayer class object This function will... |

PolToCar | Conversion of spherical coordinates to 3d Cartesian... |

pos | Position of face centers and vertices on a grid |

replace-methods | Replacement of elements in a gridlayer object. |

resample-methods | Resampling of data to a trigrid or a hexagrid object. |

rotate-methods | Rotation method of trigrid and hexagrid objects |

rpsphere | Random point generation on the surface of a sphere |

SpLines-methods | SpatialLines class object from an icosahedral grid |

SpPolygons-methods | Spatial polygons from an icosahedral grid |

subset-methods | Subsetting an icosahedral grid |

surfacearea-methods | Areas of grid cell surfaces |

surfacecentroid | Surface centroid point of a spherical point cloud |

translate-methods | Translating the grid object in 3d Cartesian space |

trigrid-class | A triangular icosahedral grid |

trishape-methods | Shape distortions of the triangular faces and subfaces |

values-methods | Extract values from a gridlayer |

vertices-methods | The vertices of an icosahedral grid object |

vicinity-methods | The neighbouring faces of faces in an icosahedral grid |

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