Learn R Programming
⚠️There's a newer version (3.6-32) of this package.Take me there.

raster (version 2.0-08)

Geographic analysis and modeling with raster data

Description

Reading, writing, manipulating, analyzing and modeling of gridded spatial data. The package implements basic and high-level functions and processing of very large files is supported.

Copy Link

Version

Install

install.packages('raster')

Monthly Downloads

171,298

Version

2.0-08

License

GPL (>= 3)

Maintainer

Robert Hijmans

Last Published

June 28th, 2012

Functions in raster (2.0-08)

boxplot

Box plot of Raster objects
as.data.frame

Get a data.frame with raster cell values, or coerce a SpatialPolygons, Lines, or Points file to a data.frame
aggregate

Aggregate cells
cellFrom

Get cell, row, or column number
clump

Detect clumps
Arith-methods

Arithmetic with Raster* objects
alignExtent

Align an extent (object of class Extent)
Raster-class

Raster* classes
addLayer

Add or drop a layer
cluster

Use a multi-core cluster
adjacent

Adjacent cells
getValuesBlock

Get a block of raster cell values
extent

Extent
KML

Write a KML or KMZ file
atan2

Two argument arc-tangent
dataType

Data type
Extent coordinates

Coordinates of the Extent of a Raster object
clearValues

Clear values
Logic-methods

Logical operators and functions
modal

modal value
cellStats

Cell statistics
area

Size of cells
extremeValues

Minimum and maximum values
click

Click on a map
calc

Calculate
flip

Flip
plot

Plot a Raster* object
density

Density plot
crop

Crop
reclass

Reclassify
intersect

Intersect Extent
rotated

Do the raster cells have a rotation?
brick

Create a RasterBrick object
rasterToPoints

Raster to points conversion
disaggregate

Disaggregate
ncell

Number or rows, columns, and cells of a Raster* object
bands

Number of bands
adjacency

Pairs of adjacent cells
getValues

Get raster cell values
getData

Get geographic data
distance

Distance
projection

Get or set a coordinate reference system (projection)
pointDistance

Distance between points
cut

Convert values to classes
scalebar

scalebar
Summary-methods

Summary methods
factors

Factors
autocorrelation

Spatial autocorrelation
round

Integer values
merge

Merge Raster* objects
zonal

Zonal statistics
match

Value matching for Raster* objects
plotRGB

Red-Green-Blue plot of a multi-layered Raster object
mosaic

Merge Raster* objects, using a function to compute cell value for overlapping areas. See merge for a simpler apporach.
distanceFromPoints

Distance from points
blockSize

Block size for writing files
pairs

Pairs plot (matrix of scatterplots)
SampleInt

Sample integer values
edge

Edge detection
replacement

Replace cell values of a Raster* object
Math-methods

Mathematical functions
as.logical

Change values to logical
layerStats

Correlation and (weighted) covariance
intersectExtent

Extent intersection
persp

Perspective plot
head

Show the head or tail of a Raster* object
Gain and offset

Gain and offset of values on file
filledContour

Filled contour plot
raster-package

An overview of the functions in this package
expand

Expand
hdr

Header files
cv

Coefficient of variation
crosstab

Cross-tabulate
buffer

buffer
direction

Direction
stackSelect

Select cell values from a multi-layer Raster* object
drawExtent

Create an Extent object by drawing on a map
Summary

Summary
names

Names of raster layers
getValuesFocal

Get focal raster cell values
compare

Compare
extract

Extract values from Raster objects
contour

Contour plot
dim

Dimensions of a Raster* object
validCell

Validity of a cell, column or row number
Slope and aspect

Slope and aspect
update

Update raster cells of files (on disk)
rasterToPolygons

Raster to polygons conversion
initialize

Intitialize
inifile

Read a .ini file
raster

Create a RasterLayer object
NAvalue

Set the NA value of a RasterLayer
focal

Focal values
sampleRandom

Random sample
rasterToContour

Raster to contour lines conversion
substitute

Substitute values in a Raster* object
overlay

Overlay Raster objects
unstack

Unstack
cover

Replace NA values with values of other layers
Extent-class

Class "Extent"
cellsFromExtent

Cells from Extent
datasource

Are values in memory and/or on disk?
as.matrix

Get a matrix with raster cell values
extension

Filename extensions
sampleStratified

Stratified random sample
filename

Filename
gridDistance

Grid distance
interpolate

Interpolate
image

Image
resolution

Resolution
freq

Frequency table
rasterFromXYZ

Create a RasterLayer from x, y, z values
transpose

Transpose
readAll

Read values from disk
trim

Trim
setExtent

Set the extent of a RasteLayer
z-values

Get or set z-values
movingFun

Moving functions
projectRaster

Project a Raster object
mask

Mask values in a Raster object
stackSave

Save or open a RasterStack file
writeRaster

Write raster data to a file
which

Which cells are TRUE?
rasterTmpFile

Temporary files
Programming

Helper functions for programming
union

Union Extent
shapefile

Read or write a shapefile
resample

Resample a Raster object
hist

Histogram
quantile

Raster quantiles
subset

Subset layers in a Raster* object
predict

Spatial model predictions
setValues

Set values of a Raster object
xyFromCell

Coordinates from a row, column or cell number
stackApply

Apply a function on subsets of a RasterStack or RasterBrick
spplot

Use spplot to plot a Raster* object
rotate

Rotate
text

Add labels to a map
draw

Draw a line or polygon
isLonLat

Is this longitude/latitude data?
writeValues

Write values to a file
terrain

Terrain characteristics
zApply

z (time) apply
weighted.mean

Weighted mean of rasters
properties

Raster file properties
unionExtent

Extent union
rasterFromCells

Subset a raster by cell numbers
setMinMax

Compute min and max values
Extract by index

Indexing to extract values of a Raster* object
hillShade

Hill shading
rowFromCell

Row or column number from a cell number
Options

Global options for the raster package
Extent math

round Extent coordinates
zoom

Zoom in on a plot
Compare-methods

Compare Raster* objects
as.raster

Coerce to a 'raster' object
count

Count
stack

Create a RasterStack object
writeFormats

File types for writing
approxNA

Estimate values for cells that are NA
origin

Origin
nlayers

Number of layers
rectify

rectify a Raster object
rasterize

Rasterize points, lines, or polygons
sampleRegular

Regular sample
unique

Unique values
shift

Shift