Package index

Where to start

faster()

Set or get options shared across fasterRaster functions

fast(<character>) fast(<SpatRaster>) fast(<SpatVector>) fast(<sf>) fast(<missing>) fast(<numeric>) fast(<data.frame>) fast(<data.table>) fast(<matrix>)

Create a GRaster or GVector

rast(<GRaster>)

Convert a GRaster to a SpatRaster

vect(<GVector>) st_as_sf(<GVector>)

Convert a GVector to a SpatVector or sf vector

writeRaster(<GRaster>,<character>) writeRaster(<missing>,<missing>)

Save a GRaster to disk

writeVector(<GVector>,<character>) writeVector(<missing>,<missing>)

Save a GVector to disk

GRaster properties

crs(<missing>) crs(<GLocation>) st_crs() coordRef(<missing>) coordRef(<GRaster>) coordRef(<GVector>)

Coordinate reference system of a GRaster or GVector

datatype(<GRaster>) datatype(<GVector>)

Get the datatype of a GRaster or of GVector columns

dim(<GRegion>) dim3d(<missing>) dim3d(<GRegion>) nrow(<missing>) nrow(<GRegion>) ncol(<missing>) ncol(<GRegion>) ndepth(<missing>) ndepth(<GRegion>) ncell(<missing>) ncell(<GRegion>) ncell3d(<missing>) ncell3d(<GRegion>) dim(<GVector>) nrow(<GVector>) ncol(<GVector>) nlyr(<missing>) nlyr(<GRaster>)

Number of rows, columns, depths, cells, and layers

ext(<missing>) ext(<GSpatial>) zext(<missing>) zext(<GSpatial>) W(<missing>) W(<GSpatial>) E(<missing>) E(<GSpatial>) N(<missing>) N(<GSpatial>) S(<missing>) S(<GSpatial>) top(<missing>) top(<GSpatial>) bottom(<GSpatial>)

Spatial bounds of a GRaster or GVector

freq(<GRaster>)

Frequencies of cell values in a raster

is.2d(<GSpatial>) is.3d(<GSpatial>)

Test if a GRaster or GVector is 2- or 3-dimensional

is.int(<GRaster>) is.cell(<GRaster>) is.float(<GRaster>) is.doub(<GRaster>) is.factor(<GRaster>)

Data type of a raster

is.lonlat(<character>) is.lonlat(<GLocation>) is.lonlat(<sf>)

Test if a coordinate reference system is unprojected

levels(<GRaster>) cats(<GRaster>) categories(<GRaster>) `levels<-`(<GRaster>,<data.frame>) `levels<-`(<GRaster>,<data.table>) `levels<-`(<GRaster>,<GRaster>) `levels<-`(<GRaster>,<list>)

Set and get categories for categorical rasters

minmax(<GRaster>)

Minimum and maximum values or categories of a GRaster

names(<GRaster>) `names<-`(<GRaster>) names(<GVector>) `names<-`(<GVector>)

Name(s) of a GRaster or columns of a GVector's data table

nacell(<GRaster>) nonnacell(<GRaster>)

Number of NA or non-NA cells in a raster

nlevels(<GRaster>)

Number of categories in a categorical raster

res(<missing>) res(<GRegion>) xres(<missing>) xres(<GRegion>) yres(<missing>) yres(<GRegion>) zres(<missing>) zres(<GRegion>) res3d(<missing>) res3d(<GRegion>)

Spatial resolution

sources(<GRaster>) sources(<GVector>) sources(<character>)

Name of a raster or vector in a GRASS session

topology(<GSpatial>)

Topology (2- or 3-dimensions) of a GRaster or GVector

Math, comparison, and logic

Arith(<GRaster>,<logical>) Arith(<logical>,<GRaster>) Arith(<GRaster>,<numeric>) Arith(<GRaster>,<integer>) Arith(<numeric>,<GRaster>) Arith(<integer>,<GRaster>) Arith(<GRaster>,<GRaster>) Arith(<GVector>,<GVector>)

Arithmetic operations on GRasters

Compare(<GRaster>,<GRaster>) Compare(<logical>,<GRaster>) Compare(<GRaster>,<logical>) Compare(<numeric>,<GRaster>) Compare(<GRaster>,<numeric>) Compare(<GRaster>,<integer>) Compare(<integer>,<GRaster>) Compare(<GRaster>,<character>) Compare(<character>,<GRaster>) Compare(<GRegion>,<GRegion>)

Compare-methods operations on GRasters and GRegions

Logic(<GRaster>,<GRaster>) Logic(<logical>,<GRaster>) Logic(<GRaster>,<logical>) Logic(<GRaster>,<numeric>) Logic(<numeric>,<GRaster>) Logic(<GRaster>,<integer>) Logic(<integer>,<GRaster>)

Logic-methods operations on GRasters

Math layer-by-layer on GRasters

is.na(<GRaster>) not.na(<GRaster>) abs(<GRaster>) sin(<GRaster>) cos(<GRaster>) tan(<GRaster>) asin(<GRaster>) acos(<GRaster>) atan(<GRaster>) atan2(<GRaster>,<GRaster>) exp(<GRaster>) log1p(<GRaster>) log10p(<GRaster>) log(<GRaster>) ln(<GRaster>) log2(<GRaster>) log10(<GRaster>) sqrt(<GRaster>) round(<GRaster>) floor(<GRaster>) ceiling(<GRaster>) trunc(<GRaster>)

Mathematical operations on each layer of a GRasters

maskNA(<GRaster>)

Mask all non-NA cells or all NA cells

Math across GRaster layers

mean(<GRaster>) mmode(<GRaster>) median(<GRaster>) count(<GRaster>) sum(<GRaster>) min(<GRaster>) max(<GRaster>) which.min(<GRaster>) which.max(<GRaster>) sdpop(<numeric>) varpop(<GRaster>) varpop(<numeric>) stdev(<GRaster>) var(<GRaster>) nunique(<GRaster>) skewness(<GRaster>) kurtosis(<GRaster>) range(<GRaster>) quantile(<GRaster>) anyNA(<GRaster>) allNA(<GRaster>)

Mathematical operations on two or more GRasters

Subsetting and replacing GRasters

`$`(<GRaster>) `$`(<GVector>)

Subset a GRaster layer, or return values from a column of a GVector's table

`$<-`(<GRaster>) `$<-`(<GVector>)

Replace a raster layer or a column from a vector's data table

`[`(<GVector>,<ANY>,<ANY>) `[`(<GRaster>,<GRaster>,<ANY>)

Subset geometries of a GVector

`[<-`(<GRaster>,<missing>,<ANY>) `[<-`(<GRaster>,<GRaster>,<ANY>)

Replace values of a GRaster

`[[<-`(<GRaster>,<ANY>)

Replace layers of a GRaster

`add<-`(<GRaster>,<GRaster>)

"Stack" a GRaster

subset(<GRaster>) subset(<GVector>)

Subset layers from a GRaster, or specific rows from a GVector

Operations on GRasters

match(<GRaster>) `%in%`(<GRaster>) `%notin%`(<GRaster>)

Find which cells of a GRaster match certain values

as.int(<GRaster>) as.float(<GRaster>) as.doub(<GRaster>)

Coerce raster to integer, float, or double precision

as.lines(<GRaster>)

Convert a raster to a lines vector

as.points(<GRaster>) as.points(<GVector>)

Convert a GRaster, or lines or polygons GVector to a points vector

as.polygons(<GRaster>)

Convert a raster to a polygons vector

aggregate(<GRaster>) aggregate(<GVector>)

Aggregate raster cells into larger cells or combine geometries of a vector

bioclims(<GRaster>) bioclims(<SpatRaster>)

BIOCLIM rasters

buffer(<GRaster>) buffer(<GVector>) st_buffer(<GVector>)

Increase/decrease the size of a vector or around non-NA cells of a raster

app(<GRaster>) appFuns() appCheck(<GRaster>,<character>)

Apply a function to a set of rasters

c(<GRaster>)

"Stack" GRasters

cellSize(<GRaster>)

Area of GRaster cells

centroids(<GVector>) centroids(<GRaster>)

Centroid(s) of a vector or clumps in a raster

classify(<GRaster>)

Classify GRaster cell values

clump(<GRaster>)

Group adjacent cells with similar values

combineLevels(<GRaster>) combineLevels(<list>)

Combine levels table from multiple categorical GRasters

concats(<GRaster>)

Combine values/categories of multiple GRasters into a single GRaster

crop(<GRaster>) crop(<GVector>)

Remove parts of a GRaster or GVector

denoise(<GRaster>) noise(<GRaster>)

Remove or retain "noise" in a raster using PCA

distance(<GRaster>,<missing>) distance(<GRaster>,<GVector>) distance(<GVector>,<GVector>) distance(<GVector>,<missing>)

Geographic distance

extend(<GRaster>,<numeric>) extend(<GRaster>,<SpatRaster>) extend(<GRaster>,<SpatVector>) extend(<GRaster>,<SpatExtent>) extend(<GRaster>,<sf>) extend(<GRaster>,<GSpatial>)

Add rows and columns around a writeRaster

extract(<GRaster>,<GVector>) extract(<GRaster>,<data.frame>) extract(<GRaster>,<data.table>) extract(<GRaster>,<matrix>) extract(<GRaster>,<numeric>) extract(<GVector>,<GVector>) extract(<GVector>,<data.frame>) extract(<GVector>,<data.table>) extract(<GVector>,<matrix>) extract(<GVector>,<numeric>)

Extract values from a GRaster at locations in a points GVector

fillNAs(<GRaster>)

Fill NA cells in a raster using interpolation

focal(<GRaster>)

Calculate cell values based on values of nearby cells

fragmentation(<SpatRaster>) fragmentation(<GRaster>)

Landscape fragmentation class following Riitters et al. (2020)

global(<GRaster>) global(<missing>)

Summary statistics for GRasters

hist(<GRaster>)

Plot a histogram of raster values

interpIDW(<GVector>,<GRaster>)

Interpolate values at points to a GRaster using inverse-distance weighting

kernel(<GVector>)

Kernel density estimator of points

layerCor(<GRaster>)

Correlation between GRasters

mask(<GRaster>,<GRaster>) mask(<GRaster>,<GVector>)

Mask values in a raster

maskNA(<GRaster>)

Mask all non-NA cells or all NA cells

merge(<GRaster>,<GRaster>)

Combine two or more rasters with different extents and fill in NAs

multivarEnvSim(<GRaster>,<GRaster>) multivarEnvSim(<GRaster>,<missing>) multivarEnvSim(<data.frame>,<GRaster>) multivarEnvSim(<data.table>,<GRaster>) multivarEnvSim(<matrix>,<GRaster>)

Multivariate environmental similarity surface (MESS)

names(<GRaster>) `names<-`(<GRaster>) names(<GVector>) `names<-`(<GVector>)

Name(s) of a GRaster or columns of a GVector's data table

pairs(<GRaster>)

Scatterplot of values in each GRaster layer against the others

pcs()

Retrieve a principal components model from a PCA GRaster

plot(<GRaster>,<missing>) plot(<GVector>,<missing>)

Display a raster or vector

plotRGB(<GRaster>)

Create red-green-blue plot from a raster with RGB layers

princomp(<GRaster>)

Apply a principal component analysis (PCA) to layers of a GRaster

project(<GRaster>) project(<GVector>)

Change the coordinate reference system of a GRaster or GVector

predict(<GRaster>)

Make predictions from a linear or generalized linear model to a GRaster

regress(<GRaster>,<missing>)

Regression intercept, slope, r2, and t-value across each set of cells

resample(<GRaster>,<GRaster>) resample(<GRaster>,<numeric>)

Change the cell size of a GRaster

reorient(<GRaster>) reorient(<numeric>)

Convert degrees between 'north-orientation' and 'east orientation'

sampleRast(<GRaster>)

Randomly sample cells from a GRaster

segregate(<GRaster>)

Create one GRaster layer per unique value in a GRaster

stretch(<GRaster>)

Rescale values in a GRaster

scale(<GRaster>) scalepop(<GRaster>) unscale(<GRaster>)

Center and scale a GRaster, or the opposite

selectRange(<GRaster>)

Select values from rasters in a stack based on values in another raster

spatSample(<GRaster>) spatSample(<GVector>)

Sample random points from a GRaster or GVector

subst(<GRaster>)

Replace a specific value(s) in a GRaster

thinLines(<GRaster>)

Reduce linear features on a raster so linear features are 1 cell wide

tiles(<GRaster>)

Divide a GRaster into spatially exclusive subsets

trim(<GRaster>)

Remove rows and columns from a raster that are all NA

zonal(<GRaster>,<ANY>)

Statistics on cells of a GRaster stratified by cells of another raster

zonalGeog(<GRaster>)

Geographic statistics for sets of cells with the same values

Creating GRasters de novo

fractalRast(<GRaster>)

Create fractal raster

init(<GRaster>)

GRaster with values equal to row, column, coordinate, regular, or "chess"

longlat(<GRaster>)

Create longitude/latitude rasters

rNormRast(<GRaster>)

Create a raster with random values drawn from a normal distribution

rSpatialDepRast(<GRaster>)

Create a random raster with or without spatial dependence

rUnifRast(<GRaster>)

Create a raster with random values drawn from a uniform distribution

rWalkRast(<GRaster>)

Create raster representing one or more random walks

sineRast(<GRaster>)

Sine wave rasters

Terrain and hydrology

as.contour(<GRaster>)

Contour lines from a "GRaster"

flow(<GRaster>)

Identify watershed basins and direction and accumulation of flow

flowPath(<GRaster>)

Path of water flow across a landscape

geomorphons(<GRaster>)

Identify terrain feature types

hillshade(<GRaster>)

Hillshading

horizonHeight(<GRaster>)

Horizon height

sun()

Solar radiance and irradiance

ruggedness(<GRaster>)

Terrain ruggedness index

streams(<GRaster>)

Create stream network

terrain(<GRaster>)

Slope, aspect, curvature, and partial slopes

wetness(<GRaster>)

Topographic wetness index

Categorical GRasters

match(<GRaster>) `%in%`(<GRaster>) `%notin%`(<GRaster>)

Find which cells of a GRaster match certain values

activeCat(<GRaster>) activeCats(<GRaster>) `activeCat<-`(<GRaster>)

Get or set the column with category labels in a categorical raster

addCats(<GRaster>) `addCats<-`(<GRaster>)

Add rows or columns to the "levels" table of a categorical raster

levels(<GRaster>) cats(<GRaster>) categories(<GRaster>) `levels<-`(<GRaster>,<data.frame>) `levels<-`(<GRaster>,<data.table>) `levels<-`(<GRaster>,<GRaster>) `levels<-`(<GRaster>,<list>)

Set and get categories for categorical rasters

catNames(<GRaster>) catNames(<SpatRaster>)

Names of columns of the levels table of a categorical raster

combineLevels(<GRaster>) combineLevels(<list>)

Combine levels table from multiple categorical GRasters

complete.cases(<GRaster>) complete.cases(<GVector>) missing.cases(<GRaster>) missing.cases(<GVector>)

Rows of a GRaster or GVector's table that have no NAs or that have NAs

concats(<GRaster>)

Combine values/categories of multiple GRasters into a single GRaster

droplevels(<GRaster>)

Remove rows from the "levels" table of a categorical raster

freq(<GRaster>)

Frequencies of cell values in a raster

is.int(<GRaster>) is.cell(<GRaster>) is.float(<GRaster>) is.doub(<GRaster>) is.factor(<GRaster>)

Data type of a raster

minmax(<GRaster>)

Minimum and maximum values or categories of a GRaster

missingCats(<GRaster>)

Values in a categorical raster with no assigned category

nlevels(<GRaster>)

Number of categories in a categorical raster

segregate(<GRaster>)

Create one GRaster layer per unique value in a GRaster

subst(<GRaster>)

Replace a specific value(s) in a GRaster

zonalGeog(<GRaster>)

Geographic statistics for sets of cells with the same values

Remote sensing GRasters

compositeRGB(<GRaster>)

Combine red, green, and blue color bands to make a composite GRaster

plotRGB(<GRaster>)

Create red-green-blue plot from a raster with RGB layers

vegIndex(<GRaster>)

Vegetation indices from surface reflectance

bioclims(<GRaster>) bioclims(<SpatRaster>)

BIOCLIM rasters

fragmentation(<SpatRaster>) fragmentation(<GRaster>)

Landscape fragmentation class following Riitters et al. (2020)

GVectors Properties

ext(<missing>) ext(<GSpatial>) zext(<missing>) zext(<GSpatial>) W(<missing>) W(<GSpatial>) E(<missing>) E(<GSpatial>) N(<missing>) N(<GSpatial>) S(<missing>) S(<GSpatial>) top(<missing>) top(<GSpatial>) bottom(<GSpatial>)

Spatial bounds of a GRaster or GVector

crs(<missing>) crs(<GLocation>) st_crs() coordRef(<missing>) coordRef(<GRaster>) coordRef(<GVector>)

Coordinate reference system of a GRaster or GVector

datatype(<GRaster>) datatype(<GVector>)

Get the datatype of a GRaster or of GVector columns

dim(<GRegion>) dim3d(<missing>) dim3d(<GRegion>) nrow(<missing>) nrow(<GRegion>) ncol(<missing>) ncol(<GRegion>) ndepth(<missing>) ndepth(<GRegion>) ncell(<missing>) ncell(<GRegion>) ncell3d(<missing>) ncell3d(<GRegion>) dim(<GVector>) nrow(<GVector>) ncol(<GVector>) nlyr(<missing>) nlyr(<GRaster>)

Number of rows, columns, depths, cells, and layers

expanse(<GVector>)

Area of polygons or length of lines

geomtype(<GVector>) is.points(<GVector>) is.lines(<GVector>) is.polygons(<GVector>)

Geometry of a GVector (points, lines, or polygons)

is.2d(<GSpatial>) is.3d(<GSpatial>)

Test if a GRaster or GVector is 2- or 3-dimensional

is.lonlat(<character>) is.lonlat(<GLocation>) is.lonlat(<sf>)

Test if a coordinate reference system is unprojected

names(<GRaster>) `names<-`(<GRaster>) names(<GVector>) `names<-`(<GVector>)

Name(s) of a GRaster or columns of a GVector's data table

ngeom(<GVector>) nsubgeom(<GVector>)

Number of geometries and subgeometries in a vector

sources(<GRaster>) sources(<GVector>) sources(<character>)

Name of a raster or vector in a GRASS session

topology(<GSpatial>)

Topology (2- or 3-dimensions) of a GRaster or GVector

Subsetting and assignment of GVectors

`$`(<GRaster>) `$`(<GVector>)

Subset a GRaster layer, or return values from a column of a GVector's table

`$<-`(<GRaster>) `$<-`(<GVector>)

Replace a raster layer or a column from a vector's data table

`[`(<GVector>,<ANY>,<ANY>) `[`(<GRaster>,<GRaster>,<ANY>)

Subset geometries of a GVector

`[[`(<GRaster>,<ANY>,<ANY>) `[[`(<GVector>,<ANY>,<ANY>)

Subset layers from a GRaster, or specific columns from a GVector

`addTable<-`(<GVector>,<data.frame>) `addTable<-`(<GVector>,<data.table>) `addTable<-`(<GVector>,<matrix>) dropTable(<GVector>)

Attach or detach GVector's data table

subset(<GRaster>) subset(<GVector>)

Subset layers from a GRaster, or specific rows from a GVector

Operations on GVectors

aggregate(<GRaster>) aggregate(<GVector>)

Aggregate raster cells into larger cells or combine geometries of a vector

as.data.frame(<GVector>) as.data.table(<GVector>)

Convert GVector to a data frame

as.points(<GRaster>) as.points(<GVector>)

Convert a GRaster, or lines or polygons GVector to a points vector

buffer(<GRaster>) buffer(<GVector>) st_buffer(<GVector>)

Increase/decrease the size of a vector or around non-NA cells of a raster

centroids(<GVector>) centroids(<GRaster>)

Centroid(s) of a vector or clumps in a raster

clusterPoints(<GVector>)

Identify clusters of points

colbind(<GVector>)

Add columns to the data table of a GVector

complete.cases(<GRaster>) complete.cases(<GVector>) missing.cases(<GRaster>) missing.cases(<GVector>)

Rows of a GRaster or GVector's table that have no NAs or that have NAs

connectors(<GVector>,<GVector>)

Create lines connecting nearest features of two GVectors

convHull(<GVector>)

Minimum convex hull around a spatial vector

crds(<GRaster>) crds(<GVector>) st_coordinates()

Coordinates of a vector"s features or a raster"s cell centers

crop(<GRaster>) crop(<GVector>)

Remove parts of a GRaster or GVector

delaunay(<GVector>)

Delaunay triangulation for points

disagg(<GVector>)

Coerce as multipart GVector to a singlepart GVector

distance(<GRaster>,<missing>) distance(<GRaster>,<GVector>) distance(<GVector>,<GVector>) distance(<GVector>,<missing>)

Geographic distance

`addTable<-`(<GVector>,<data.frame>) `addTable<-`(<GVector>,<data.table>) `addTable<-`(<GVector>,<matrix>) dropTable(<GVector>)

Attach or detach GVector's data table

erase(<GVector>,<GVector>)

Select parts of a polygon GVector erase shared by another polygon GVector

expanse(<GVector>)

Area of polygons or length of lines

extract(<GRaster>,<GVector>) extract(<GRaster>,<data.frame>) extract(<GRaster>,<data.table>) extract(<GRaster>,<matrix>) extract(<GRaster>,<numeric>) extract(<GVector>,<GVector>) extract(<GVector>,<data.frame>) extract(<GVector>,<data.table>) extract(<GVector>,<matrix>) extract(<GVector>,<numeric>)

Extract values from a GRaster at locations in a points GVector

grid(<GRaster>) grid(<GVector>)

Create a grid GVector

head(<GVector>) tail(<GVector>)

Return first or last part of the data frame of a GVector

hexagons(<GRaster>) hexagons(<GVector>)

Create a hexagonal grid

interpIDW(<GVector>,<GRaster>)

Interpolate values at points to a GRaster using inverse-distance weighting

interpSplines(<GVector>,<GRaster>)

Interpolate values at points to a GRaster using splines

intersect(<GVector>,<GVector>)

Intersection of two GVectors

kernel(<GVector>)

Kernel density estimator of points

names(<GRaster>) `names<-`(<GRaster>) names(<GVector>) `names<-`(<GVector>)

Name(s) of a GRaster or columns of a GVector's data table

neighborhoodMatrix(<GVector>) neighbourhoodMatrix(<GVector>)

Neighborhood matrix from a polygons GVector

project(<GRaster>) project(<GVector>)

Change the coordinate reference system of a GRaster or GVector

rasterize(<GVector>,<GRaster>)

Convert a GVector to a GRaster

rbind(<GVector>)

Combine one or more GVectors

simplifyGeom(<GVector>)

Simplify the geometry of a vector

smoothGeom(<GVector>)

Smooth the geometry of a vector

vect(<GVector>) st_as_sf(<GVector>)

Convert a GVector to a SpatVector or sf vector

thinPoints(<GVector>,<GRaster>)

Reduce number of points in same raster cell

union(<GVector>,<GVector>)

Combine two GVectors

voronoi(<GVector>)

Voronoi tessellation

xor(<GVector>,<GVector>)

Select parts of polygons not shared between two GVectors

Creating GVectors de novo

rvoronoi(<GRaster>) rvoronoi(<GVector>)

Create a randomly-positioned tesselation

Fixing GVector issues

breakPolys(<GVector>) fixBridges(<GVector>) fixDangles(<GVector>) fixLines(<GVector>) remove0(<GVector>) removeAngles(<GVector>) removeBridges(<GVector>) removeDangles(<GVector>) removeDupCentroids(<GVector>) removeDups(<GVector>) removeSmallPolys(<GVector>) snap(<GVector>)

Fix issues with geometries of a vector

fillHoles(<GVector>)

Fill holes in a GVector

Converting between data types

as.contour(<GRaster>)

Contour lines from a "GRaster"

as.int(<GRaster>) as.float(<GRaster>) as.doub(<GRaster>)

Coerce raster to integer, float, or double precision

as.data.frame(<GVector>) as.data.table(<GVector>)

Convert GVector to a data frame

as.lines(<GRaster>)

Convert a raster to a lines vector

as.points(<GRaster>) as.points(<GVector>)

Convert a GRaster, or lines or polygons GVector to a points vector

as.polygons(<GRaster>)

Convert a raster to a polygons vector

levels(<GRaster>) cats(<GRaster>) categories(<GRaster>) `levels<-`(<GRaster>,<data.frame>) `levels<-`(<GRaster>,<data.table>) `levels<-`(<GRaster>,<GRaster>) `levels<-`(<GRaster>,<list>)

Set and get categories for categorical rasters

fast(<character>) fast(<SpatRaster>) fast(<SpatVector>) fast(<sf>) fast(<missing>) fast(<numeric>) fast(<data.frame>) fast(<data.table>) fast(<matrix>)

Create a GRaster or GVector

rast(<GRaster>)

Convert a GRaster to a SpatRaster

rasterize(<GVector>,<GRaster>)

Convert a GVector to a GRaster

vect(<GVector>) st_as_sf(<GVector>)

Convert a GVector to a SpatVector or sf vector

General functions

addons() installAddon() removeAddon() .addons()

Test if addons directory exists and if an addon is installed

compareGeom(<GRaster>,<GRaster>) compareGeom(<GVector>,<GVector>) compareGeom(<GRaster>,<GVector>) compareGeom(<GVector>,<GRaster>)

Determine if GRasters and/or GVectors are geographically comparable

dropRows(<data.table>) dropRows(<data.frame>) dropRows(<matrix>)

Remove rows in a data.table, data.frame, or matrix.

grassGUI(<missing>)

Start the GRASS GUI (potentially dangerous!)

grassHelp()

Open the help page for a GRASS tool

grassInfo()

GRASS citation, version, and copyright information

grassStarted()

Has "GRASS" been started or not?

mow()

Remove rasters and vectors from the GRASS cache

replaceNAs(<data.frame>) replaceNAs(<matrix>) replaceNAs(<data.table>) replaceNAs(<numeric>) replaceNAs(<integer>) replaceNAs(<logical>) replaceNAs(<character>)

Replace NAs in a data.table or data.frame column, or in a vector

seqToSQL()

Format a numeric series into an SQL value call

update(<GRaster>) update(<GVector>)

Refresh metadata in a GRaster or GVector

Example data

appFunsTable

Functions that can be used in app()

fastData()

Get one of the example rasters or spatial vectors

madChelsa

Rasters of bioclimatic variables for an eastern portion of Madagascar

madCoast

Shapefile of a portion of the coastline of Madagascar

madCoast4

Spatial vector of a portion of the coastline of Madagascar

madCoast4

Spatial vector of a portion of the coastline of Madagascar

madCover

Raster of land cover for an eastern portion of Madagascar

madCoverCats

Table of land cover classes for an eastern portion of Madagascar

madDypsis

Spatial points vector of records of Dypsis in eastern Madagascar

madElev

Elevation raster for an eastern portion of Madagascar

madForest2000

Forest cover in year 2000 for a portion of Madagascar

madForest2014

Forest cover in year 2014 for a portion of Madagascar

madLANDSAT

Rasters of surface reflectance for an eastern portion of Madagascar

madPpt

Rasters of average monthly precipitation for an eastern portion of Madagascar

madTmax

Rasters of average monthly maximum temperature for an eastern portion of Madagascar

madTmin

Rasters of average monthly minimum temperature for an eastern portion of Madagascar

madRivers

Major rivers in a selected portion of Madagascar

vegIndices

Table of vegetation indices that can be calculated from remote sensing surface reflectance data using vegIndex(). A near-comprehensive table of indices can be found on the Index Database: A Database for Remote Sensing Indices.

Classes

GLocation-class GLocation GSpatial-class GSpatial GRegion-class GRegion GRaster-class GRaster GVector-class GVector

Classes for fasterRaster sessions, regions, rasters, and vectors