Description Objects from the Class Slots Extends Methods Author(s) See Also Examples
An S4 class that represents topography over a grid of coordinates.
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.
signature(x = "SpatialGridTopography", i = "ANY", j = "ANY", drop = "ANY")
: subsets the grid and associated topography; only rows (x values) and columns (y values) can be subsetted.
Miquel De Cáceres Ainsa, Biodiversity and Landscape Ecology Laboratory, Centre Tecnologic Forestal de Catalunya
SpatialGridTopography
, SpatialGridDataFrame-class
1 2 | #Structure of the S4 object
showClass("SpatialGridTopography")
|
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