From a2ba99452f88197746fb58d1560c7eaed11fc00e Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 28 Mar 2021 11:27:04 +0200
Subject: [PATCH] Mesh: [skip ci] in ViewProviderMesh::highlightSegments change
 material binding only if colors list is non-empty

---
 src/Mod/Mesh/Gui/ViewProvider.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/Mesh/Gui/ViewProvider.cpp b/src/Mod/Mesh/Gui/ViewProvider.cpp
index 1cb57b763f..bf66337d29 100644
--- a/src/Mod/Mesh/Gui/ViewProvider.cpp
+++ b/src/Mod/Mesh/Gui/ViewProvider.cpp
@@ -2205,7 +2205,7 @@ void ViewProviderMesh::highlightSegments(const std::vector<App::Color>& colors)
 {
     const Mesh::MeshObject& rMesh = static_cast<Mesh::Feature*>(pcObject)->Mesh.getValue();
     unsigned long numSegm = rMesh.countSegments();
-    if (numSegm == colors.size()) {
+    if (numSegm > 0 && numSegm == colors.size()) {
         // Colorize the components
         pcMatBinding->value = SoMaterialBinding::PER_FACE;
         int uCtFacets = (int)rMesh.countFacets();