From 439caced87d4e05d89db707c21f01e2857a38c2c Mon Sep 17 00:00:00 2001
From: Azgaar <azgaar.fmg@yandex.com>
Date: Thu, 26 Feb 2026 17:51:51 +0100
Subject: [PATCH] Fix: Ensure heightmap elements are properly removed before
 re-insertion in editHeightmap function

---
 public/modules/ui/heightmap-editor.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/public/modules/ui/heightmap-editor.js b/public/modules/ui/heightmap-editor.js
index 8d9a453f..69be5059 100644
--- a/public/modules/ui/heightmap-editor.js
+++ b/public/modules/ui/heightmap-editor.js
@@ -3,6 +3,7 @@
 function editHeightmap(options) {
   const {mode, tool} = options || {};
   restartHistory();
+  viewbox.selectAll("#heights").remove();
   viewbox.insert("g", "#terrs").attr("id", "heights");
 
   if (!mode) showModeDialog();
@@ -188,7 +189,8 @@ function editHeightmap(options) {
 
     // restore initial layers
     drawFeatures();
-    byId("heights").remove();
+    viewbox.selectAll("#heights").remove();
+
     turnButtonOff("toggleHeight");
     document
       .getElementById("mapLayers")