SpatialPointsTopography-class: Class "SpatialPointsTopography"
Description
An S4 class that represents topography over a grid of coordinates.
Arguments
Objects from the Class
Objects can be created by calls of the form new("SpatialPointsTopography", ...), or by calls to the function SpatialPointsTopography.
Slots
data:
Object of class "data.frame" containing the elevation (in m), slope (in degrees) and aspect (in degrees from North) of every point.
coords:
Object of class "matrix" with the spatial coordinates.
bbox:
Object of class "matrix" with the boundary box.
proj4string:
Object of class "CRS" with the projection string.
Extends
Class "'>SpatialPointsDataFrame", directly.
Class "'>SpatialPoints", by class "SpatialPointsDataFrame", distance 2.
Class "'>Spatial", by class "SpatialPointsDataFrame", distance 3.
Methods
[
signature(x = "SpatialPointsTopography", i = "ANY", j = "ANY", drop = "ANY"): subsets the spatial points and associated topography; only rows (points) can be subsetted.