#2760 Ensemble Curves: Show one curve legend

ApplicationCode/ProjectDataModel/RimPlotCurve.cpp

@@ -19,6 +19,7 @@
 #include "RimPlotCurve.h"
 
 #include "RimEnsembleCurveSet.h"
+#include "RimSummaryCurve.h"
 #include "RimSummaryCurveCollection.h"
 #include "RimSummaryCurveFilter.h"
 #include "RimSummaryPlot.h"
@@ -590,5 +591,17 @@ void RimPlotCurve::updateLegendEntryVisibilityNoPlotUpdate()
         showLegendInQwt = false;
     }
 
+    RimEnsembleCurveSet* ensembleCurveSet = nullptr;
+    this->firstAncestorOrThisOfType(ensembleCurveSet);
+    if (ensembleCurveSet)
+    {
+        auto firstCurve = ensembleCurveSet->firstCurve();
+        if (firstCurve != this)
+        {
+            // Hide legend display for curves other than the first
+            showLegendInQwt = false;
+        }
+    }
+
     m_qwtPlotCurve->setItemAttribute(QwtPlotItem::Legend, showLegendInQwt);
 }