Global Triangular and Penta-Hexagonal Grids Based on Tessellated Icosahedra

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Documentation for package ‘icosa’ version 0.11.0

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arcdist Calculation of distances along arcs
arcdistmat Calculation of distance matrices along arcs
arcpoints Calculation of point coordinates along an arc
CarToPol Conversion of 3d Cartesian coordinates to polar coordinates
CarToPol-method Conversion of 3d Cartesian coordinates to polar coordinates
cellocator Locate grid faces based on their positions on a map
centers The face centers of an icosahedral grid object
centers-method The face centers of an icosahedral grid object
chullsphere Spherical convex hull.
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
facelayer A 'facelayer' linked to a 'trigrid' or 'hexagrid' object
facelayer-class A 'facelayer' linked to a 'trigrid' or 'hexagrid' object
faces The faces of a 3d object
faces-method The faces of a 3d object
faces3d Methods of 3D face plotting.
faces3d-method Methods of 3D face plotting.
gridensity Icosahedral grid-based density estimation
gridgraph Create or instantiate an 'graph' class graph from the faces of an icosahedral grid
gridgraph-method Create or instantiate an 'graph' 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-method 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 Construct a penta-hexagonal icosahedral grid
hexagrid-class Construct a penta-hexagonal icosahedral grid
hexguide Tessellation guide to 'hexagrid' objects
icosa Global Triangular and Hexa-Pentagonal Grids Based on Tessellated Icosahedra
length-method The number of faces in a 'trigrid' or 'hexagrid' class object.
lines-method Lines method for the 'trigrid' and 'hexagrid' classes
lines3d Methods of 3d line plotting
lines3d-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
names-method The face names in a 'facelayer' class object
newgraph Add an igraph object to a predefined slot in an icosahedral grid
newgraph-method Add an igraph object to a predefined slot in an icosahedral grid
newsf Add a 'sf' object to a predefined slot in a 'trigrid' or 'hexagrid' object
newsf-method Add a 'sf' object to a predefined slot in a 'trigrid' or 'hexagrid' object
newsp Add a 'SpatialPolygons' object to a predefined slot in a 'trigrid' or 'hexagrid' object
newsp-method Add a 'SpatialPolygons' object to a predefined slot in a 'trigrid' or 'hexagrid' object
occupied Faces occupied by the specified object
orientation Extracting and setting the grid orientation
orientation-method Extracting and setting the grid orientation
orientation<- Extracting and setting the grid orientation
orientation<--method Extracting and setting the grid orientation
plot Plot method for the 'trigrid', 'hexagrid' or 'facelayer' classes
plot-method Plot method for the 'trigrid', 'hexagrid' or 'facelayer' classes
plot3d 3d plotting of an icosahedral grid, its subset or a data layer
plot3d.facelayer 3d plotting of an icosahedral grid, its subset or a data layer
plot3d.hexagrid 3d plotting of an icosahedral grid, its subset or a data layer
plot3d.trigrid 3d plotting of an icosahedral grid, its subset or a data layer
PolToCar Conversion of polar coordinates to 3d Cartesian coordinates
PolToCar-method Conversion of polar coordinates to 3d Cartesian coordinates
pos Position of face centers and vertices on a grid
resample Resampling of data involving a 'trigrid' or a 'hexagrid' object.
resample-method Resampling of data involving a 'trigrid' or a 'hexagrid' object.
rotate Rotation of 'trigrid' and 'hexagrid' objects
rotate-method Rotation of 'trigrid' and 'hexagrid' objects
rpsphere Random point generation on the surface of a sphere
SpLines Create a 'SpatialLines' class object from an icosahedral grid
SpLines-method Create a 'SpatialLines' class object from an icosahedral grid
SpPolygons Spatial polygons from an icosahedral grid
SpPolygons-method Spatial polygons from an icosahedral grid
subset Subsetting an icosahedral grid or data layers organized with them
subset-method Subsetting an icosahedral grid or data layers organized with them
surfacearea Areas of grid cell surfaces
surfacearea-method Areas of grid cell surfaces
surfacecentroid Surface centroid point of a spherical point cloud
surfacecentroid-method Surface centroid point of a spherical point cloud
translate Translating an icosahedral grid object in 3d Cartesian space
translate-method Translating an icosahedral grid object in 3d Cartesian space
trigrid A triangular icosahedral grid
trigrid-class A triangular icosahedral grid
triguide Tessellation guide to 'trigrid' objects
trishape Shape distortions of the triangular faces and subfaces
trishape-method Shape distortions of the triangular faces and subfaces
values Extract and replace values from a gridlayer-derived object (e.g. 'link{facelayer}').
values-method Extract and replace values from a gridlayer-derived object (e.g. 'link{facelayer}').
values<- Extract and replace values from a gridlayer-derived object (e.g. 'link{facelayer}').
values<--method Extract and replace values from a gridlayer-derived object (e.g. 'link{facelayer}').
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
[-method Extraction from a gridlayer using indices
[-method Subsetting an icosahedral grid or data layers organized with them
[<--method Extraction from a gridlayer using indices