From 0ce0f4fcce3137df5344be45c2cadca41e38bb7e Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Wed, 20 May 2026 12:45:13 +0200
Subject: [PATCH] mupp: RUN is now treated as a variable.

---
 src/musredit_qt5/mupp/Pmupp.cpp               | 9 +++++++++
 src/musredit_qt5/mupp/plotter/PMuppCanvas.cpp | 2 +-
 src/musredit_qt6/mupp/Pmupp.cpp               | 9 +++++++++
 src/musredit_qt6/mupp/plotter/PMuppCanvas.cpp | 2 +-
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/musredit_qt5/mupp/Pmupp.cpp b/src/musredit_qt5/mupp/Pmupp.cpp
index f1f049ddf..af247c74f 100644
--- a/src/musredit_qt5/mupp/Pmupp.cpp
+++ b/src/musredit_qt5/mupp/Pmupp.cpp
@@ -453,6 +453,10 @@ PmuppCollection PParamDataHandler::ReadDbFile(const QString fln, bool &valid, QS
       }
       ival = token[0].toInt(&ok);
       if (ok) { // run,,, title found
+        param.ResetParam();
+        param.SetName("RUN");
+        param.SetValue(ival);
+        run.AddParam(param);
         run.SetNumber(ival);
         QString title("");
         for (int i=1; i<token.size(); i++)
@@ -680,6 +684,11 @@ PmuppCollection PParamDataHandler::ReadColumnParamFile(const QString fln, bool &
         run.AddParam(param);
         param.ResetParam();
       } else if (headerCode[i] == PMUPP_RUN) {
+        param.SetName(headerInfo[i]);
+        param.SetValue(dval);
+        param.SetNegErr(0.0);
+        param.SetPosErr(0.0);
+        run.AddParam(param);
         param.ResetParam();
         run.SetNumber((int)dval);
         run.SetName(QString("%1").arg((int)dval));
diff --git a/src/musredit_qt5/mupp/plotter/PMuppCanvas.cpp b/src/musredit_qt5/mupp/plotter/PMuppCanvas.cpp
index cb6177035..4c685fd7b 100644
--- a/src/musredit_qt5/mupp/plotter/PMuppCanvas.cpp
+++ b/src/musredit_qt5/mupp/plotter/PMuppCanvas.cpp
@@ -588,7 +588,7 @@ void PMuppCanvas::UpdateGraphs()
     // set x-axis limits. This is needed that the graphs x-axis starts at 0.0
     Double_t xmin=fMultiGraph->GetXaxis()->GetXmin();
     Double_t xmax=fMultiGraph->GetXaxis()->GetXmax();
-    if (xmin > 0.0) {
+    if ((xmin > 0.0) && (fPlotData[0].xLabel.EqualTo("RUN"))) {
       fMultiGraph->GetXaxis()->SetLimits(0.0, xmax);
     }
 
diff --git a/src/musredit_qt6/mupp/Pmupp.cpp b/src/musredit_qt6/mupp/Pmupp.cpp
index 15931a887..41c0924cd 100644
--- a/src/musredit_qt6/mupp/Pmupp.cpp
+++ b/src/musredit_qt6/mupp/Pmupp.cpp
@@ -542,6 +542,10 @@ PmuppCollection PParamDataHandler::ReadDbFile(const QString fln, bool &valid, QS
       }
       ival = token[0].toInt(&ok);
       if (ok) { // run,,, title found
+        param.ResetParam();
+        param.SetName("RUN");
+        param.SetValue(ival);
+        run.AddParam(param);
         run.SetNumber(ival);
         QString title("");
         for (int i=1; i<token.size(); i++)
@@ -780,6 +784,11 @@ PmuppCollection PParamDataHandler::ReadColumnParamFile(const QString fln, bool &
         run.AddParam(param);
         param.ResetParam();
       } else if (headerCode[i] == PMUPP_RUN) {
+        param.SetName(headerInfo[i]);
+        param.SetValue(dval);
+        param.SetNegErr(0.0);
+        param.SetPosErr(0.0);
+        run.AddParam(param);
         param.ResetParam();
         run.SetNumber((int)dval);
         run.SetName(QString("%1").arg((int)dval));
diff --git a/src/musredit_qt6/mupp/plotter/PMuppCanvas.cpp b/src/musredit_qt6/mupp/plotter/PMuppCanvas.cpp
index 21f9452a8..7a7b6e5fa 100644
--- a/src/musredit_qt6/mupp/plotter/PMuppCanvas.cpp
+++ b/src/musredit_qt6/mupp/plotter/PMuppCanvas.cpp
@@ -619,7 +619,7 @@ void PMuppCanvas::UpdateGraphs()
     // set x-axis limits. This is needed that the graphs x-axis starts at 0.0
     Double_t xmin=fMultiGraph->GetXaxis()->GetXmin();
     Double_t xmax=fMultiGraph->GetXaxis()->GetXmax();
-    if (xmin > 0.0) {
+    if ((xmin > 0.0) && (fPlotData[0].xLabel.EqualTo("RUN"))) {
       fMultiGraph->GetXaxis()->SetLimits(0.0, xmax);
     }