terra v1.0-10

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Spatial Data Analysis

Methods for spatial data analysis, especially raster data. Methods allow for low-level data manipulation as well as high-level global, local, zonal, and focal computation. The predict and interpolate methods facilitate the use of regression type (interpolation, machine learning) models for spatial prediction. Processing of very large files is supported. See the manual and tutorials on <https://rspatial.org/terra/> to get started. 'terra' is very similar to the 'raster' package; but 'terra' is simpler, better, and faster.

Functions in terra

Name Description
SpatVector-class Class "SpatVector"
adjacent Adjacent cells
app Apply a function to the cells of a SpatRaster
SpatRaster-class SpatRaster class
aggregate Aggregate raster or vector data
SpatExtent-class Class "SpatExtent"
align Align a SpatExtent
add Add (in place) a SpatRaster to another SpatRaster object
NAflag Set a value to NA
boundaries Detect boundaries (edges)
animate Animate a SpatRaster
as.spatvector Coercion to a SpatVector, or to another SpatVector type
autocorrelation Spatial autocorrelation
convexhull Convex hull
barplot Bar plot of a SpatRaster
atan2 Two argument arc-tangent
boxplot Box plot of SpatRaster data
as.character Create a text representation of (the skeleton of) an object
as.data.frame SpatRaster or SpatVector to data.frame
cells Get cell numbers
classify Classify (or reclassify) cell values
centroids Get centroids
clamp Clamp values
area Area and perimeter
cover Replace values with values from another object
arith apply a local function
c Combine SpatRaster or SpatVector objects
click Query by clicking on a map
buffer Create a buffer around vector objects or raster patches
crosstab Cross-tabulate
crs Get or set a coordinate reference system
compareGeom Compare geometries of SpatRasters
density Density plot
global global statistics
colors Color table
geomtype Geometry type of a SpatVector
focalMat Focal weights matrix
dimensions Dimensions of a SpatRaster or SpatVector and related objects
coerce Coercion of a SpatRaster to other object types
disaggregate Disaggregate raster cells
math Arithmetic, logical and general mathematical methods
crop Cut out a geographic subset
erase Erase parts of a SpatVector object. The inverse of this can be done with intersect and crop
match Value matching for SpatRasters
distance Geographic distance
is.lonlat Check for longitude/latitude crs
predict Spatial model predictions
expand Expand
is.valid Check polygon validity
plot Plot a SpatRaster
plotVector Plot a SpatVector
describe describe
collapse Collapse SpatRaster or SpatRasterDataset objects
factors Factors
plotRGB Red-Green-Blue plot of a multi-layered SpatRaster
freq Frequency table
rectify rectify a SpatRaster
depth depth of SpatRaster layers
fill Remove holes from polygons
rescale rescale
select Spatial selection
contour Contour plot
relate relate
sds Create a SpatRasterDataset
copy Deep copy
draw Draw a polygon, line, extent, or points
ifel ifelse for SpatRasters
extract Extract values from a SpatRaster
gdal gdal utilities
geom Get the geometry (coordinates) of a SpatVector
rotate Rotate a SpatRaster along longitude
flip Flip or reverse a raster
initialize Initialize a SpatRaster with values
ext Create, get or set a SpatExtent
inset Make an inset map
diff diff
tapp Apply a function to subsets of layers of a SpatRaster
interpolate Interpolate
focal Focal values
range Get or compute the minimum and maximum cell values
pairs Pairs plot (matrix of scatterplots)
merge Merge SpatRaster or SpatExtent objects, or a SpatVector with a data.frame
project Change the coordinate reference system
units units of SpatRaster or SpatRasterDataSet
unique Unique values
xmin Get or set single values of an extent
terra-package The terra package
writeVector Write vector data to a file
image SpatRaster image method
quantile SpatRaster local quantiles
persp Perspective plot
summarize-generics Summarize
modal modal value
origin Origin
subset-vector Subset of a SpatVector
mosaic mosaic SpatRasters
rast Create a SpatRaster
subset Subset of a SpatRaster
head and tail Show the head or tail of a Spat* object
summary summary
rapp Apply a function to a range of the layers of a SpatRaster
pack pack a Spat* object
svc Create a SpatVectorCollection
linearUnits Linear units of the coordinate reference system
lapp Apply a function to layers of a SpatRaster, or to sub-datasets of a SpatRasterDataset
intersect Intersection
hist Histogram
values Get or set cell values
symdif Symetrical difference
vect Create SpatVector objects
xyRowColCell Coordinates from a row, column or cell number and vice versa
resample Transfer values of a SpatRaster to another one with a different geometry
options Options
replace Replace values of a SpatRaster
selectRange Select the values of a range of layers, as specified by cell values in another SpatRaster
zonal Zonal statistics
terrain terrain characteristic
names Names of Spat* objects
rep Combine
lines Add SpatVector data to a map
mask Mask values in a SpatRaster
trim Trim a SpatRaster
rasterize Rasterize vector data
near nearby geometries
vector-attributes Get or replace attribute values of a SpatVector
read and write Read from, or write to, file
zoom Zoom in on a map
separate separate
spatSample Take a regular sample
union Union SpatVector or SpatExtent objects
tmpFiles Temporary files
stretch Stretch
spin spin a SpatVector
sbar scalebar
transpose Transpose
scale Scale values
window Set a window
voronoi voronoi diagram and delauny triangles
scatterplot Scatterplot of two SpatRaster layers
shift Shift
sources Data sources of a SpatRaster
text Add labels to a map
writeRaster Write raster data to a file
time time of SpatRaster layers
writeCDF Write raster data to a NetCDF file
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Details

Type Package
Date 2021-01-11
LinkingTo Rcpp
SystemRequirements C++11, GDAL (>= 3.0.4), GEOS (>= 3.8.0), PROJ (>= 6.3.1)
License GPL (>= 3)
URL https://rspatial.org/terra
BugReports https://github.com/rspatial/terra/issues/
LazyLoad yes
RoxygenNote 7.1.1
NeedsCompilation yes
Packaged 2021-01-11 11:40:00 UTC; rhijm
Repository CRAN
Date/Publication 2021-01-22 08:10:03 UTC

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