Package index • fasterRaster

All functions

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

GLocation-class GLocation GSpatial-class GSpatial GRegion-class GRegion GRaster-class GRaster GVector-class GVector: Classes for fasterRaster sessions, regions, rasters, and vectors

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

activeCat(<GRaster>) activeCats(<GRaster>) `activeCat<-`(<GRaster>): Get or set the column with category labels in a categorical raster

`add<-`(<GRaster>,<GRaster>): "Stack" a GRaster

addCats(<GRaster>) `addCats<-`(<GRaster>): Add rows or columns to the "levels" table of a categorical raster

`addTable<-`(<GVector>,<data.frame>) `addTable<-`(<GVector>,<data.table>) `addTable<-`(<GVector>,<matrix>) dropTable(<GVector>): Attach or detach GVector's data table

aggregate(<GRaster>) aggregate(<GVector>): Aggregate raster cells into larger cells or combine geometries of a vector

app(<GRaster>) appFuns() appCheck(<GRaster>,<character>): Apply a function to a set of rasters

appFunsTable: Functions that can be used in app()

as.contour(<GRaster>): Contour lines from a "GRaster"

as.data.frame(<GVector>) as.data.table(<GVector>): Convert GVector to a data frame

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

bioclims(<GRaster>) bioclims(<SpatRaster>): BIOCLIM rasters

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

buffer(<GRaster>) buffer(<GVector>) st_buffer(<GVector>): Increase/decrease the size of a vector or around non-NA cells of a raster

c(<GRaster>): "Stack" GRasters

catNames(<GRaster>) catNames(<SpatRaster>): Names of columns of the levels table of a categorical raster

cellSize(<GRaster>): Area of GRaster cells

classify(<GRaster>): Classify GRaster cell values

clump(<GRaster>): Group adjacent cells with similar values

clusterPoints(<GVector>): Identify clusters of points

colbind(<GVector>): Add columns to the data table of a GVector

combineCats(<GRaster>): Combine values/categories of multiple GRasters into a single GRaster

combineLevels(<GRaster>) combineLevels(<list>): Combine levels table from multiple categorical GRasters

compareGeom(<GRaster>,<GRaster>) compareGeom(<GVector>,<GVector>) compareGeom(<GRaster>,<GVector>) compareGeom(<GVector>,<GRaster>): Determine if GRasters and/or GVectors are geographically comparable

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

compositeRGB(<GRaster>): Combine red, green, and blue color bands to make a composite GRaster

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

crs(<missing>) crs(<GLocation>) st_crs(): Coordinate reference system of a GRaster or GVector

datatype(<GRaster>) datatype(<GVector>): Get the datatype of a GRaster or of GVector columns

delaunay(<GVector>): Delaunay triangulation for points

denoise(<GRaster>) noise(<GRaster>): Remove or retain "noise" in a raster using PCA

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

disagg(<GVector>): Coerce as multipart GVector to a singlepart GVector

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

dropRows(<data.table>) dropRows(<data.frame>) dropRows(<matrix>): Remove rows in a data.table, data.frame, or matrix.

droplevels(<GRaster>): Remove rows from the "levels" table of a categorical raster

erase(<GVector>,<GVector>): Select parts of a polygon GVector erase shared by another polygon GVector

expanse(<GVector>): Area of polygons or length of lines

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

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

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

fastData(): Get one of the example rasters or spatial vectors

faster(): Set or get options shared across "fasterRaster" functions

fillHoles(<GVector>): Fill holes in a GVector

fillNAs(<GRaster>): Fill NA cells in a raster using interpolation

flow(<GRaster>): Identify watershed basins and direction and accumulation of flow

flowPath(<GRaster>): Path of water flow across a landscape

focal(<GRaster>): Calculate cell values based on values of nearby cells

fractalRast(<GRaster>): Create fractal raster

fragmentation(<SpatRaster>) fragmentation(<GRaster>): Landscape fragmentation class following Riitters et al. (2020)

freq(<GRaster>): Frequencies of cell values in a raster

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>) slope(<GRaster>) intercept(<GRaster>) r2(<GRaster>) tvalue(<GRaster>) range(<GRaster>) quantile(<GRaster>): Mathematical operations on two or more GRasters

geomorphons(<GRaster>): Identify terrain feature types

geomtype(<GVector>) is.points(<GVector>) is.lines(<GVector>) is.polygons(<GVector>): Geometry of a GVector (points, lines, or polygons)

global(<GRaster>) global(<missing>): Summary statistics for GRasters

grassInfo(): GRASS citation, version, and copyright information

grassStarted(): Has "GRASS" been started or not?

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

hillshade(<GRaster>): Hillshading

hist(<GRaster>): Plot a histogram of raster values

horizonHeight(<GRaster>): Horizon height

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

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

kernel(<GVector>): Kernel density estimator of points

layerCor(<GRaster>): Correlation between GRasters

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

longlat(<GRaster>): Create longitude/latitude rasters

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

madRivers: Major rivers in a selected 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

mask(<GRaster>,<GRaster>) mask(<GRaster>,<GVector>): Mask values in a raster

maskNA(<GRaster>): Mask all non-NA cells or all NA cells

match(<GRaster>) `%in%`(<GRaster>) `%notin%`(<GRaster>): Find which cells of a GRaster match certain values

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

merge(<GRaster>,<GRaster>): Combine two or more rasters with different extents and fill in NAs

minmax(<GRaster>): Minimum and maximum values or categories of a GRaster

missingCats(<GRaster>): Values in a categorical raster with no assigned category

mow(): Remove unused rasters and vectors from the GRASS cache

nacell(<GRaster>) nonnacell(<GRaster>): Number of NA or non-NA cells in a raster

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

nlevels(<GRaster>): Number of categories in a categorical raster

pairs(<GRaster>): Scatterplot of values in each GRaster layer against the others

pca(<GRaster>): Apply a principal component analysis (PCA) to layers of a GRaster

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

predict(<GRaster>): Make predictions from a linear or generalized linear model to a GRaster

project(<GRaster>) project(<GVector>): Change the coordinate reference system of a GRaster or GVector

rSpatialDepRast(<GRaster>): Create a random raster with or without spatial dependence

rast(<GRaster>): Convert a GRaster to a SpatRaster

rasterize(<GVector>,<GRaster>): Convert a GVector to a GRaster

rbind(<GVector>): Combine one or more GVectors

reorient(<GRaster>) reorient(<numeric>): Convert degrees between 'north-orientation' and 'east orientation'

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

`$<-`(<GRaster>) `$<-`(<GVector>): Replace a raster layer or a column from a vector's data table

`[[<-`(<GRaster>,<ANY>): Replace layers of a GRaster

`[<-`(<GRaster>,<missing>,<ANY>) `[<-`(<GRaster>,<GRaster>,<ANY>): Replace values of a GRaster

res(<missing>) res(<GRegion>) xres(<missing>) xres(<GRegion>) yres(<missing>) yres(<GRegion>) zres(<missing>) zres(<GRegion>) res3d(<missing>) res3d(<GRegion>): Spatial resolution

resample(<GRaster>,<GRaster>) resample(<GRaster>,<numeric>): Change the cell size of a GRaster

rnormRast(<GRaster>): Create a raster with random values drawn from a normal distribution

ruggedness(<GRaster>): Terrain ruggedness index

runifRast(<GRaster>): Create a raster with random values drawn from a uniform distribution

rvoronoi(<GRaster>) rvoronoi(<GVector>): Create a randomly-positioned tesselation

sampleRast(<GRaster>): Randomly sample cells from 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

seqToSQL(): Format a numeric series into an SQL value call

simplifyGeom(<GVector>): Simplify the geometry of a vector

sineRast(<GRaster>): Sine wave rasters

smoothGeom(<GVector>): Smooth the geometry of a vector

sources(<GRaster>) sources(<GVector>) sources(<character>): Name of a raster or vector in a GRASS session

spatSample(<GRaster>) spatSample(<GVector>): Sample random points from a GRaster or GVector

streams(<GRaster>): Create stream network

stretch(<GRaster>): Rescale values in a raster

`$`(<GRaster>) `$`(<GVector>): Subset a GRaster layer, or return values from a column of a GVector's table

`[[`(<GRaster>,<ANY>,<ANY>) `[[`(<GVector>,<ANY>,<ANY>): Subset layers from a GRaster, or specific columns from a GVector

`[`(<GVector>,<ANY>,<ANY>) `[`(<GRaster>,<GRaster>,<ANY>): Subset geometries of a GVector

subst(<GRaster>): Replace a specific value(s) in a GRaster

sun(): Solar radiance and irradiance

terrain(<GRaster>): Slope, aspect, curvature, and partial slopes

thinLines(<GRaster>): Reduce linear features on a raster so linear features are 1 cell wide

thinPoints(<GVector>,<GRaster>): Reduce number of points in same raster cell

tiles(<GRaster>): Divide a GRaster into spatially exclusive subsets

topology(<GSpatial>): Topology (2- or 3-dimensions) of a GRaster or GVector

trim(<GRaster>): Remove rows and columns from a raster that are all NA

tutorial_getting_started: Getting started with "fasterRaster"

tutorial_hidden_functions: Hidden functions in "fasterRester"

tutorial_locations_mapsets: Locations/projects and mapsets

tutorial_raster_data_types: Raster data types

tutorial_regions: An explanation of GRASS "regions"

union(<GVector>,<GVector>): Combine two GVectors

update(<GRaster>) update(<GVector>): Refresh metadata in a GRaster or GVector

vect(<GVector>) st_as_sf(<GVector>): Convert a GVector to a SpatVector or sf vector

vegIndex(<GRaster>): Vegetation indices from surface reflectance

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.

voronoi(<GVector>): Voronoi tessellation

wetness(<GRaster>): Topographic wetness index

workDir(<GLocation>): Get a GLocation's working directory

writeRaster(<GRaster>,<character>) writeRaster(<missing>,<missing>): Save a GRaster to disk

writeVector(<GVector>,<character>) writeVector(<missing>,<missing>): Save a GVector to disk

xor(<GVector>,<GVector>): Select parts of polygons not shared between two GVectors

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