raster v2.7-15

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Geographic Data Analysis and Modeling

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

Functions in raster

Name Description
Extent-class Class "Extent"
KML Write a KML or KMZ file
Logic-methods Logical operators and functions
Math-methods Mathematical functions
Summary-methods Summary methods
adjacent Adjacent cells
addLayer Add or drop a layer
atan2 Two argument arc-tangent
as.raster Coerce to a 'raster' object
aggregate Aggregate raster cells or SpatialPolygons/Lines
buffer buffer
Arith-methods Arithmetic with Raster* objects
calc Calculate
clamp Clamp values
cellsFromExtent Cells from extent, and vice versa
cover Replace NA values with values of other layers
colortable colortable
crop Crop
datasource Are values in memory and/or on disk?
Compare-methods Compare Raster* objects
compareRaster Compare Raster objects
density Density plot
Extract by index Indexing to extract values of a Raster* object
flowPath Flow path
Raster-class Raster* classes
autocorrelation Spatial autocorrelation
extremeValues Minimum and maximum values
Gain and offset Gain and offset of values on file
geom Get the coordinates of a vector type Spatial* object
bands Number of bands
as.data.frame Get a data.frame with raster cell values, or coerce SpatialPolygons, Lines, or Points to a data.frame
getValuesBlock Get a block of raster cell values
as.list Create a list of RasterLayer objects
Extreme coordinates Coordinates of the Extent of a Raster object
Rcpp-class Rcpp classes
corLocal Local correlation coefficient
focal Focal values
barplot Bar plot of a RasterLayer
approxNA Estimate values for cell values that are NA by interpolating between layers
crosstab Cross-tabulate
area Size of cells
bind Bind Spatial* objects
cellFrom Get cell, row, or column number
disaggregate Disaggregate
cellStats Statistics across cells
inifile Read a .ini file
RGB Create a Red-Green-Blue Raster object
NAvalue Set the NA value of a RasterLayer
initialize Intitialize a Raster object with values
alignExtent Align an extent (object of class Extent)
distance Distance
brick Create a RasterBrick object
contour Contour plot
blockSize Block size for writing files
animate Animate layers of a Raster* object
boxplot Box plot of Raster objects
as.logical Change cell values to logical or integer values
as.matrix Get a vector, matrix, or array with raster cell values
compareCRS Partially compare two CRS objects
dim Dimensions of a Raster* object
cut Convert values to classes
getValuesFocal Get focal raster cell values
direction Direction
drawExtent Create an Extent object by drawing on a map
movingFun Moving functions
extend Extend
extension Filename extensions
names Names of raster layers
distanceFromPoints Distance from points
boundaries boundaries (edges) detection
merge Merge Raster* objects
clearValues Clear values
erase Erase parts of a SpatialPolygons* or SpatialLines* object. The inverse of this can be done with intersect
draw Draw a line or polygon
Programming Helper functions for programming
click Query by clicking on a map
focalWeight Focal weights matrix
metadata Metadata
head Show the head or tail of a Raster* object
freq Frequency table
pointDistance Distance between points
factors Factors
hillShade Hill shading
predict Spatial model predictions
filename Filename
getData Get geographic data
getValues Get raster cell values
clump Detect clumps
mask Mask values in a Raster object
cluster Use a multi-core cluster
cv Coefficient of variation
rasterize Rasterize points, lines, or polygons
readAll Read values from disk
isLonLat Is this longitude/latitude data?
rowSums rowSums and colSums for Raster objects
dataType Data type
SampleInt Sample integer values
spplot Use spplot to plot a Raster* object
extent Extent
layerStats Correlation and (weighted) covariance
projectRaster Project a Raster object
match Value matching for Raster* objects
rasterTmpFile Temporary files
modal modal value
validNames Create valid names
Summary Summary
substitute Substitute values in a Raster* object
stack Create a RasterStack object
rasterToContour Raster to contour lines conversion
extract Extract values from Raster objects
plot Plot a Raster* object
rasterFromCells Subset a raster by cell numbers
reclassify Reclassify
resolution Resolution
raster Create a RasterLayer object
plotRGB Red-Green-Blue plot of a multi-layered Raster object
rotate Rotate
mosaic Merge Raster* objects using a function for overlapping areas
quantile Raster quantiles
weighted.mean Weighted mean of rasters
select Geometric subsetting
rectify rectify a Raster object
hist Histogram
writeFormats File types for writing
rotated Do the raster cells have a rotation?
raster-package Overview of the functions in the raster package
scale Scale values
setExtent Set the extent of a RasterLayer
image Image
round Integer values
layerize Layerize
filledContour Filled contour plot
scalebar scalebar
flip Flip
gridDistance Distance on a grid
writeRaster Write raster data to a file
sampleStratified Stratified random sample
hdr Header files
localFun Local functions
interpolate Interpolate
ncell Number or rows, columns, and cells of a Raster* object
setMinMax Compute min and max values
nlayers Number of layers
stackSave Save or open a RasterStack file
setValues Set values of a Raster object
unique Unique values
pairs Pairs plot (matrix of scatterplots)
stackApply Apply a function on subsets of a RasterStack or RasterBrick
unstack Unstack
stretch Stretch
sp Create SpatialLines* or SpatialPolygons*
persp Perspective plot
Slope and aspect Slope and aspect
zApply z (time) apply
zonal Zonal statistics
stackSelect Select cell values from a multi-layer Raster* object
intersect Intersect
which.min Where is the min or max value?
which Which cells are TRUE?
rasterToPoints Raster to points conversion
overlay Overlay Raster objects
origin Origin
projection Get or set a coordinate reference system (projection)
properties Raster file properties
rasterFromXYZ Create a Raster* object from x, y, z values
subset Subset layers in a Raster* object
update Update raster cells of files (on disk)
rasterToPolygons Raster to polygons conversion
validCell Validity of a cell, column or row number
Options Global options for the raster package
replacement Replace cell values or layers of a Raster* object
Extent math round Extent coordinates
resample Resample a Raster object
sampleRandom Random sample
sampleRegular Regular sample
rowFromCell Row or column number from a cell number
shapefile Read or write a shapefile
symdif Symetrical difference
shift Shift
terrain Terrain characteristics
text Add labels to a map
trim Trim
transpose Transpose
writeValues Write values to a file
union Union Extent or SpatialPolygons* objects
zoom Zoom in on a map
xyFromCell Coordinates from a row, column or cell number
z-values Get or set z-values
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Vignettes of raster

Name
Raster.Rnw
functions.Rnw
rasterfile.Rnw
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