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("SpatialPointsTopography", ...), or by calls to the function SpatialPointsTopography.
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.
Class "SpatialPointsDataFrame", directly.
Class "SpatialPoints", by class "SpatialPointsDataFrame", distance 2.
Class "Spatial", by class "SpatialPointsDataFrame", distance 3.
signature(x = "SpatialPointsTopography", i = "ANY", j = "ANY", drop = "ANY"): subsets the spatial points and associated topography; only rows (points) can be subsetted.
Miquel De Cáceres Ainsa, Biodiversity and Landscape Ecology Laboratory, Centre Tecnologic Forestal de Catalunya
SpatialPointsTopography, SpatialPointsDataFrame-class
1 2 | #Structure of the S4 object
showClass("SpatialPointsTopography")
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