st_snap_to_grid: Snap geometries to a grid

In lwgeom: Bindings to Selected 'liblwgeom' Functions for Simple Features

Snap geometries to a grid

Description

Snap geometries to a grid

Usage

st_snap_to_grid(x, size, origin)

Arguments

x	object with geometries to be snapped
size	numeric or (length) units object; grid cell size in x-, y- (and possibly z- and m-) directions
origin	numeric; origin of the grid

Value

object of the same class as x

Examples

# obtain data
library(sf)
x = st_read(system.file("gpkg/nc.gpkg", package="sf"), quiet = TRUE)[1, ] %>%
    st_geometry %>%
    st_transform(3395)

# snap to a grid of 5000 m
err = try(y <- st_snap_to_grid(x, 5000))

# plot data for visual comparison
if (!inherits(err, "try-error")) {
 opar = par(mfrow = c(1, 2))
 plot(x, main = "orginal data")
 plot(y, main = "snapped to 5000 m")
 par(opar)
}

lwgeom documentation built on May 31, 2023, 6:06 p.m.