Global Triangular and Penta-Hexagonal Grids Based on Tessellated Icosahedra


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Documentation for package ‘icosa’ version 0.9.81

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A C E F G H I L N O P R S T V misc

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

-- A --

arcdist Calculation of distances along arcs
arcdistmat Calculation of distance matrices along arcs
arcpoints Calculation of points along an arc

-- C --

CarToPol Conversion of 3d Cartesian coordinates to polar coordinates
centers The face centers of an icosahedral grid object
centers-facelayer-method The face centers of an icosahedral grid object
centers-method The face centers of an icosahedral grid object
centers-trigrid-method The face centers of an icosahedral grid object
chullsphere Spherical convex hull

-- E --

edgelength Lengths of grid edges
edgelength-method Lengths of grid edges
edges The edges of a 3d object
edges-method The edges of a 3d object

-- F --

facelayer Container for data storage using the faces on icosahedral grid
facelayer-class Container for data storage using the faces on icosahedral grid
facelayer-edges-method The edges of a 3d object
facelayer-faces-method The faces of a 3d object
facelayer-trigrid-resample-method Resampling of data to a trigrid or a hexagrid object.
faces The faces of a 3d object
faces-method The faces of a 3d object
faces3d Methods of 3d face plotting.
faces3d, Methods of 3d face plotting.
faces3d-hexagrid-method Methods of 3d face plotting.
faces3d-method Methods of 3d face plotting.
faces3d-trigrid-method Methods of 3d face plotting.

-- G --

gridgraph Create or instantiate an 'igraph' class graph from the faces of an icosahedral grid
gridgraph-facelayer-method Create or instantiate an 'igraph' class graph from the faces of an icosahedral grid
gridgraph-hexagrid-method Create or instantiate an 'igraph' class graph from the faces of an icosahedral grid
gridgraph-method Create or instantiate an 'igraph' class graph from the faces of an icosahedral grid
gridgraph-trigrid-method Create or instantiate an 'igraph' class graph from the faces of an icosahedral grid
gridlabs Labels of grid vertices, faces and edges
gridlabs3d Display the names of the grid elements in 3d plots.
gridlabs3d, Display the names of the grid elements in 3d plots.
gridlabs3d-hexagrid-method Display the names of the grid elements in 3d plots.
gridlabs3d-method Display the names of the grid elements in 3d plots.
gridlabs3d-trigrid-method Display the names of the grid elements in 3d plots.
gridlayer-length-method The length of a trigrid or, hexagrid class object.
gridlayer-names-method The face names in a gridlayer class object
gridlayer-set-values-method Extract values from a gridlayer
gridlayer-values-method Extract values from a gridlayer
guides3d Guides for 3d spherical plotting.

-- H --

heatMapLegend Legend for a heatmap with predefined colors.
hexagrid A penta-hexagonal icosahedral grid
hexagrid-class A penta-hexagonal icosahedral grid
hexagrid-initalize-method A penta-hexagonal icosahedral grid

-- I --

icosa Global Triangular and Hexa-Pentagonal Grids Based on Tessellated Icosahedra
initialize-method A penta-hexagonal icosahedral grid
initialize-method A triangular icosahedral grid

-- L --

length-method The length of a trigrid or, hexagrid class object.
Line-lines3d-method 3d plotting method of a Line class object
Lines-lines3d-method 3d plotting method of a Line class object
lines-method Lines method for the trigrid and hexagrid classes
lines3d, 3d plotting method of a Line class object
lines3d-method Methods of 3d line plotting.
lines3d-method 3d plotting method of a Line class object
lines3d-Polygon-method 3d plotting method of a Line class object
lines3d-Polygons-method 3d plotting method of a Line class object
lines3d-SpatialLinesDataFrame-method 3d plotting method of a Line class object
lines3d-SpatialPolygons-method 3d plotting method of a Line class object
lines3d-SpatialPolygonsDataFrame-method 3d plotting method of a Line class object
lines3d-trigrid-method Methods of 3d line plotting.
locate Basic lookup function of coordinates on an icosahedral grid
locate-method Basic lookup function of coordinates on an icosahedral grid

-- N --

names-method The face names in a gridlayer class object
newgraph Add an igraph object to a predefined slot in a trigrid or hexagrid object
newgraph-method Add an igraph object to a predefined slot in a trigrid or hexagrid object
newgraph-trigrid-method Add an igraph object to a predefined slot in a trigrid or hexagrid object
newsp Add SpatialPolygons object to a predefined slot in a trigrid or hexagrid object
newsp-method Add SpatialPolygons object to a predefined slot in a trigrid or hexagrid object

-- O --

occupied Faces occupied by the specified object
orientation Extracting the grid orientation
orientation, Extracting the grid orientation
orientation-method Extracting the grid orientation
orientation<- Extracting the grid orientation
orientation<--method Extracting the grid orientation

-- P --

plot-method 2d plotting of a facelayer class object This function will invoke the 2d plotting methods of a grid so data stored in a facelayer object can be displayed.
plot3d, 3d plotting of an icosahedral grid or its subset
plot3d-hexagrid-method 3d plotting of an icosahedral grid or its subset
plot3d-method 3d plotting of an icosahedral grid or its subset
plot3d-method 3d plotting of a facelayer of an icosahedral grid or its subset
plot3d-trigrid-method 3d plotting of an icosahedral grid or its subset
PolToCar Conversion of spherical coordinates to 3d Cartesian coordinates
pos Position of face centers and vertices on a grid

-- R --

Raster-trigrid-resample-method Resampling of data to a trigrid or a hexagrid object.
replace-gridlayer-method Replacement of elements in a gridlayer object.
resample-method Resampling of data to a trigrid or a hexagrid object.
rotate, Rotation method of trigrid and hexagrid objects
rotate-method Rotation method of trigrid and hexagrid objects
rpsphere Random point generation on the surface of a sphere

-- S --

SpatialLines-method 3d plotting method of a Line class object
SpLines SpatialLines class object from an icosahedral grid
SpLines-method SpatialLines class object from an icosahedral grid
SpLines-trigrid-method SpatialLines class object from an icosahedral grid
SpPolygons Spatial polygons from an icosahedral grid
SpPolygons-hexagrid-method Spatial polygons from an icosahedral grid
SpPolygons-method Spatial polygons from an icosahedral grid
SpPolygons-trigrid-method Spatial polygons from an icosahedral grid
subset, Subsetting an icosahedral grid
subset-gridlayer-method Subsetting an icosahedral grid
subset-hexagrid-method Subsetting an icosahedral grid
subset-method Subsetting an icosahedral grid
subset-trigrid-method Subsetting an icosahedral grid
surfacearea Areas of grid cell surfaces
surfacearea-method Areas of grid cell surfaces
surfacecentroid Surface centroid point of a spherical point cloud

-- T --

translate Translating the grid object in 3d Cartesian space
translate-method Translating the grid object in 3d Cartesian space
trigrid A triangular icosahedral grid
trigrid-class A triangular icosahedral grid
trigrid-initalize-method A triangular icosahedral grid
trigrid-length-method The length of a trigrid or, hexagrid class object.
trigrid-orientation-method Extracting the grid orientation
trigrid-rotate-method Rotation method of trigrid and hexagrid objects
trigrid-setorientation-method Extracting the grid orientation
trishape Shape distortions of the triangular faces and subfaces
trishape-method Shape distortions of the triangular faces and subfaces

-- V --

values-method Extract values from a gridlayer
values<--method Extract values from a gridlayer
vertices The vertices of an icosahedral grid object
vertices-method The vertices of an icosahedral grid object
vicinity The neighbouring faces of faces in an icosahedral grid
vicinity-method The neighbouring faces of faces in an icosahedral grid

-- misc --

[-gridlayer-Extent-method Subsetting an icosahedral grid
[-gridlayer-index-method Subsetting an icosahedral grid
[-method Subsetting an icosahedral grid
[-trigrid-method Subsetting an icosahedral grid
[<--method Replacement of elements in a gridlayer object.