sf_remove_holes {sfheaders}

remove holes

Description

Removes holes from polygons and multipolygons. Points and linestrings are unaffected.

Usage

sf_remove_holes(obj, close = TRUE)

Arguments

obj

sfg, sfc or sf object.

close

logical indicating whether polygons should be closed. If TRUE, all polygons will be checked and force closed if possible

Examples

df <- data.frame(
  ml_id = c(1,1,1,1,1,1,1,1,1,2,2,2,2,2,2)
  , l_id = c(1,1,1,2,2,2,3,3,3,1,1,1,2,2,2)
  , x = rnorm(15)
  , y = rnorm(15)
  , z = rnorm(15)
  , m = rnorm(15)
)

sfg <- sfg_polygon( obj = df, x = "x", y = "y", linestring_id = "ml_id" )
sfc <- sfc_polygon( obj = df, x = "x", y = "y", polygon_id = "ml_id", linestring_id = "l_id" )
sf <- sf_polygon( obj = df, x = "x", y = "y", polygon_id = "ml_id", linestring_id = "l_id" )

sf_remove_holes( sfg )
sf_remove_holes( sfc )
sf_remove_holes( sf )