sf v0.5-2


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by Edzer Pebesma

Simple Features for R

Support for simple features, a standardized way to encode spatial vector data. Binds to GDAL for reading and writing data, to GEOS for geometrical operations, and to Proj.4 for projection conversions and datum transformations.

Functions in sf

Name Description
Ops.sfg S3 Ops Group Generic Functions (multiply and add/subtract) for affine transformation
aggregate.sf aggregate an sf object
geos_binary_pred Geometric binary predicates on pairs of simple feature geometry sets
bgMap This is data included in sf
bind Bind rows (features) of sf objects
db_drivers Drivers for which update should be TRUE by default
dplyr Dplyr verb methods for sf objects
extension_map Map extension to driver
geos_binary_ops Geometric binary operations on pairs of simple feature geometry sets
geos_combine Combine or union feature geometries
rawToHex Convert raw vector(s) into hexadecimal character string(s)
reexports Objects exported from other packages
st_as_sfc Convert foreign geometry object to an sfc object
plot Plot sf object
prefix_map Map prefix to driver
sf Create sf object
sf_extSoftVersion Provide the external dependencies versions of the libraries linked to sf
geos_unary Geometric unary operations on (pairs of) simple feature geometry sets
is_driver_available Check if driver is available
st_agr get or set relation_to_geometry attribute of an sf object
st_as_binary Convert sfc object to an WKB object
st_geohash compute geohash from (average) coordinates (requires lwgeom)
st_geometry Get, set, or replace geometry from an sf object
st_is_longlat Assert whether simple feature coordinates are longlat degrees
st_join spatial left or inner join
st_sample sample points on or in (sets of) spatial features
st_split Return a collection of geometries resulting by splitting a geometry
is_driver_can Check if a driver can perform an action
merge.sf merge method for sf and data.frame object
sfc Create simple feature collection object of class sfc from list
st Create simple feature from a numeric vector, matrix or list
st_as_text Return Well-known Text representation of simple feature geometry or coordinate reference system
st_cast_sfc_default Coerce geometry to MULTI* geometry
st_coordinates retrieve coordinates in matrix form
st_geometry_type Return geometry type of an object
st_graticule Compute graticules and their parameters
st_read Read simple features or layers from file or database
st_relate Compute DE9-IM relation between pairs of geometries, or match it to a given pattern
valid Make an invalid geometry valid
st_bbox Return bounding of a simple feature or simple feature set
st_cast Cast geometry to another type: either simplify, or cast explicitly
st_make_grid Make a rectangular grid over the bounding box of a sf or sfc object
st_precision Get precision
summary.sfc Summarize simple feature column
tibble Summarize simple feature type for tibble
st_interpolate_aw Areal-weighted interpolation of polygon data
st_is test equality between the geometry type and a class or set of classes
st_transform Transform or convert coordinates of simple feature
st_viewport Create viewport from sf, sfc or sfg object
geos_measures Compute distance between pairs of geometries
geos_query Dimension, simplicity or validity queries on simple feature geometries
st_as_grob Convert sf* object to a grob
st_as_sf Convert foreign object to an sf object
st_crs Retrieve coordinate reference system from object
st_drivers Get GDAL drivers
st_layers List layers in a datasource
st_line_sample Sample points on a linear geometry
st_write Write simple features object to file or database
st_zm Drop or add Z and/or M dimensions from feature geometries
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LinkingTo Rcpp
VignetteBuilder knitr
SystemRequirements GDAL (>= 2.0.0), GEOS (>= 3.3.0), PROJ.4 (>= 4.8.0)
License GPL-2 | MIT + file LICENSE
URL https://github.com/r-spatial/sf/
BugReports https://github.com/r-spatial/sf/issues/
Collate RcppExports.R init.R bbox.R read.R db.R sfc.R sfg.R sf.R bind.R wkb.R wkt.R plot.R geom.R transform.R sp.R crs.R grid.R arith.R tidyverse.R cast_sfg.R cast_sfc.R graticule.R datasets.R aggregate.R agr.R maps.R join.R sample.R valid.R geohash.R split.R
RoxygenNote 6.0.1
NeedsCompilation yes
Packaged 2017-07-12 18:30:19 UTC; edzer
Repository CRAN
Date/Publication 2017-07-12 20:02:54 UTC

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