"SpatialGridTopography"
SpatialGridTopography-class.Rd
An S4 class that represents topography over a grid of coordinates.
# S4 method for SpatialGridTopography,ANY,ANY
[(x, i, j, ..., drop = FALSE)
# S4 method for SpatialGridTopography
show(object)
Objects can be created by calls of the form new("SpatialGridTopography", ...)
, or by calls to the function SpatialGridTopography
.
grid
:Object of class GridTopology
.
data
:Object of class "data.frame"
containing the elevation (in m), slope (in degrees) and aspect (in degrees from North) of every cell.
bbox
:Object of class "matrix"
with the boundary box.
proj4string
:Object of class "CRS"
with the projection string.
Class "SpatialGridDataFrame"
, directly.
Class "SpatialGrid"
, by class "SpatialGridDataFrame", distance 2.
Class "Spatial"
, by class "SpatialGridDataFrame", distance 3.
SpatialGridTopography
object
row indices
column indices
see Extract
indices passed through
SpatialGridTopography
, SpatialGridDataFrame-class
#Structure of the S4 object
showClass("SpatialGridTopography")
#> Class "SpatialGridTopography" [package "meteoland"]
#>
#> Slots:
#>
#> Name: data grid bbox proj4string
#> Class: data.frame GridTopology matrix CRS
#>
#> Extends:
#> Class "SpatialGridDataFrame", directly
#> Class "SpatialGrid", by class "SpatialGridDataFrame", distance 2
#> Class "Spatial", by class "SpatialGridDataFrame", distance 3