SpatialGridTopography-class: Class "SpatialGridTopography"
Description
An S4 class that represents topography over a grid of coordinates.
Usage
# S4 method for SpatialGridTopography,ANY,ANY
[(x, i, j, ..., drop = FALSE)
# S4 method for SpatialGridTopography
show(object)
Objects from the Class
Objects can be created by calls of the form new("SpatialGridTopography", ...), or by calls to the function SpatialGridTopography.
Slots
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.
Extends
Class "SpatialGridDataFrame", directly.
Class "SpatialGrid", by class "SpatialGridDataFrame", distance 2.
Class "Spatial", by class "SpatialGridDataFrame", distance 3.
Arguments
- x,object
SpatialGridTopography object
- i
row indices
- j
column indices
- drop
see Extract
- ...
indices passed through
Author
Miquel De Cáceres Ainsa, CREAF
See Also
SpatialGridTopography, SpatialGridDataFrame-class
Examples
Run this code#Structure of the S4 object
showClass("SpatialGridTopography")
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