st_startpoint: Return the start and end points from lines
In lwgeom: Bindings to Selected 'liblwgeom' Functions for Simple Features
st_startpoint R Documentation
Return the start and end points from lines
Description
Return the start and end points from lines
Usage
st_startpoint(x)
st_endpoint(x)
Arguments
x
line of class sf, sfc or sfg
Details
see https://postgis.net/docs/ST_StartPoint.html and https://postgis.net/docs/ST_EndPoint.html.
Value
sf object representing start and end points
Examples
library(sf)
m = matrix(c(0, 1, 2, 0, 1, 4), ncol = 2)
l = st_sfc(st_linestring(m))
lwgeom::st_startpoint(l)
lwgeom::st_endpoint(l)
l2 = st_sfc(st_linestring(m), st_linestring(m[3:1, ]))
lwgeom::st_startpoint(l2)
lwgeom::st_endpoint(l2)
lwgeom documentation built on May 31, 2023, 6:06 p.m.
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| st_startpoint | R Documentation |
Return the start and end points from lines
Description
Return the start and end points from lines
Usage
st_startpoint(x)
st_endpoint(x)
Arguments
x |
line of class |
Details
see https://postgis.net/docs/ST_StartPoint.html and https://postgis.net/docs/ST_EndPoint.html.
Value
sf object representing start and end points
Examples
library(sf)
m = matrix(c(0, 1, 2, 0, 1, 4), ncol = 2)
l = st_sfc(st_linestring(m))
lwgeom::st_startpoint(l)
lwgeom::st_endpoint(l)
l2 = st_sfc(st_linestring(m), st_linestring(m[3:1, ]))
lwgeom::st_startpoint(l2)
lwgeom::st_endpoint(l2)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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