validCell: Validity of a cell, column or row number

Description Usage Arguments Value Examples

Description

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

Usage

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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

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

miraisolutions/raster documentation built on May 30, 2019, 11:41 p.m.