From cda7a20e0449bedd23f5e2bbd6a26f91d5432d6a Mon Sep 17 00:00:00 2001
From: hlorus <64740362+hlorus@users.noreply.github.com>
Date: Thu, 16 May 2024 11:57:35 +0200
Subject: [PATCH] MeasureGui: Show measurement if it doesn't track any subjects

---
 src/Mod/Measure/Gui/ViewProviderMeasureBase.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Mod/Measure/Gui/ViewProviderMeasureBase.cpp b/src/Mod/Measure/Gui/ViewProviderMeasureBase.cpp
index ebbaf879ac..133f702a74 100644
--- a/src/Mod/Measure/Gui/ViewProviderMeasureBase.cpp
+++ b/src/Mod/Measure/Gui/ViewProviderMeasureBase.cpp
@@ -436,12 +436,15 @@ bool ViewProviderMeasureBase::isSubjectVisible()
     }
 
     // we need these things to proceed
-    if (!getMeasureObject() ||
-        getMeasureObject()->getSubject().empty() ||
-        !guiDoc ) {
+    if (!getMeasureObject() || !guiDoc ) {
         return false;
     }
 
+    // Show the measurement if it doesn't track any subjects
+    if (getMeasureObject()->getSubject().empty()) {
+        return true;
+    }
+
     for (auto & obj : getMeasureObject()->getSubject()) {
         Gui::ViewProvider* vp = guiDoc->getViewProvider(obj);
         if (!vp || !vp->isVisible()) {