Merge remote-tracking branch 'upstream/main' into io-wkb

benbovy · Nov 14, 2024 · a423de4 · a423de4
2 parents 3dbcdf7 + b7aa0fa
commit a423de4
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/creation.cpp b/src/creation.cpp
@@ -163,7 +163,11 @@ std::unique_ptr<Geography> multipoint(const std::vector<V> &pts) {
 
 template <class V>
 std::unique_ptr<Geography> linestring(const std::vector<V> &pts) {
-    if (pts.size() == 1) {
+    if (pts.size() == 0) {
+        // empty linestring
+        std::vector<std::unique_ptr<S2Polyline>> empty;
+        return make_geography<s2geog::PolylineGeography>(std::move(empty));
+    } else if (pts.size() == 1) {
         throw py::value_error("linestring is not valid: it must have at least 2 vertices");
     }