From 50275c4c6cddc576e1416e1a91e66b9935768745 Mon Sep 17 00:00:00 2001
From: Malcolm Morgan <mem48@users.noreply.github.com>
Date: Tue, 15 Aug 2023 14:53:34 +0100
Subject: [PATCH] ad missing sf::

---
 R/overline.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/overline.R b/R/overline.R
index 08e45f82..aa62893f 100644
--- a/R/overline.R
+++ b/R/overline.R
@@ -357,7 +357,7 @@ overline.sf <- overline2
 
 ol_grp <- function(sl, attrib){
   sl <- data.table::data.table(sl)
-  sl <- sl[, .(geometry = st_combine(geometry)), by = attrib]
+  sl <- sl[, .(geometry = sf::st_combine(geometry)), by = attrib]
   sf::st_as_sf(sl)
 }