From 0381f3a9cfa402e9986fd46ee02e30161c23cc39 Mon Sep 17 00:00:00 2001
From: Andrea Gilardi <andrea.gilardi@polimi.it>
Date: Mon, 16 Sep 2024 18:07:07 +0200
Subject: [PATCH] Update comment

Update comment following the discussion at https://github.com/r-spatial/sf/issues/2439
---
 src/gdal.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gdal.cpp b/src/gdal.cpp
index 0410ba594..1653aca79 100644
--- a/src/gdal.cpp
+++ b/src/gdal.cpp
@@ -663,6 +663,10 @@ Rcpp::List CPL_transform(Rcpp::List sfc, Rcpp::List crs,
 	Rcpp::List ret = sfc_from_ogr(g, true); // destroys g;
 	// how to return the target CRS when only a transformation pipeline is provided? Not by:
 	// ret.attr("crs") = create_crs(ct->GetTargetCS(), true);
+	// 
+	// According to the discussion at https://github.com/r-spatial/sf/issues/2439, this is 
+	// not a solvable issue in general. See the same link for a possible workaround and 
+	// a more general solution that uses PROJ. 
 	ct->DestroyCT(ct);
 	if (dest)
 		dest->Release();