raster (version 1.0.4)

validCell: Validity of a cell, column or row number

Description

Simple helper functions to determine if a row, column or cell number is valid for a certain Raster* object

Usage

validCell(object, cell) 
validCol(object, colnr) 
validRow(object, rownr)

Arguments

object
Raster* object (or a SpatialPixels* or SpatialGrid* object)
cell
cell number(s)
colnr
column number; or vector of column numbers
rownr
row number; or vector of row numbers

Value

  • logical value

Examples

Run this code
#using a new default raster (1 degree global)
r <- raster()
validCell(r, c(-1, 0, 1))
validRow(r, c(-1, 1, 100, 10000))

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