diff --git a/ApplicationLibCode/Application/RiaSummaryCurveDefinition.cpp b/ApplicationLibCode/Application/RiaSummaryCurveDefinition.cpp
index 424c5f67b3f..a6e5e4a4025 100644
--- a/ApplicationLibCode/Application/RiaSummaryCurveDefinition.cpp
+++ b/ApplicationLibCode/Application/RiaSummaryCurveDefinition.cpp
@@ -18,6 +18,7 @@
 
 #include "RiaSummaryCurveDefinition.h"
 #include "RiaStdStringTools.h"
+#include "RiaSummaryCurveAddress.h"
 
 #include "RifSummaryReaderInterface.h"
 
@@ -66,6 +67,19 @@ RiaSummaryCurveDefinition::RiaSummaryCurveDefinition( RimSummaryCaseCollection*
 {
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RiaSummaryCurveDefinition::RiaSummaryCurveDefinition( RimSummaryCaseCollection* ensemble, const RiaSummaryCurveAddress& summaryCurveAddress )
+    : m_summaryCaseY( nullptr )
+    , m_summaryAddressY( summaryCurveAddress.summaryAddressY() )
+    , m_summaryCaseX( nullptr )
+    , m_summaryAddressX( summaryCurveAddress.summaryAddressX() )
+    , m_ensemble( ensemble )
+    , m_isEnsembleCurve( true )
+{
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -82,6 +96,14 @@ RimSummaryCaseCollection* RiaSummaryCurveDefinition::ensemble() const
     return m_ensemble;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiaSummaryCurveDefinition::setEnsemble( RimSummaryCaseCollection* ensemble )
+{
+    m_ensemble = ensemble;
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -138,6 +160,14 @@ RifEclipseSummaryAddress RiaSummaryCurveDefinition::summaryAddressX() const
     return m_summaryAddressX;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RiaSummaryCurveAddress RiaSummaryCurveDefinition::summaryCurveAddress() const
+{
+    return RiaSummaryCurveAddress( m_summaryAddressX, m_summaryAddressY );
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/Application/RiaSummaryCurveDefinition.h b/ApplicationLibCode/Application/RiaSummaryCurveDefinition.h
index b59a3c4b76b..0132dfea778 100644
--- a/ApplicationLibCode/Application/RiaSummaryCurveDefinition.h
+++ b/ApplicationLibCode/Application/RiaSummaryCurveDefinition.h
@@ -30,6 +30,7 @@
 
 class RimSummaryCase;
 class RimSummaryCaseCollection;
+class RiaSummaryCurveAddress;
 
 //==================================================================================================
 ///
@@ -40,13 +41,17 @@ class RiaSummaryCurveDefinition
     RiaSummaryCurveDefinition();
     explicit RiaSummaryCurveDefinition( RimSummaryCase* summaryCaseY, const RifEclipseSummaryAddress& summaryAddressY, bool isEnsembleCurve );
     explicit RiaSummaryCurveDefinition( RimSummaryCaseCollection* ensemble, const RifEclipseSummaryAddress& summaryAddressY );
+    explicit RiaSummaryCurveDefinition( RimSummaryCaseCollection* ensemble, const RiaSummaryCurveAddress& summaryCurveAddress );
 
-    // Y Axis
-    RimSummaryCase*           summaryCaseY() const;
-    RifEclipseSummaryAddress  summaryAddressY() const;
+    // X and Y Axis
     RimSummaryCaseCollection* ensemble() const;
-    bool                      isEnsembleCurve() const;
-    void                      setSummaryAddressY( const RifEclipseSummaryAddress& address );
+    void                      setEnsemble( RimSummaryCaseCollection* ensemble );
+
+    // Y Axis
+    RimSummaryCase*          summaryCaseY() const;
+    RifEclipseSummaryAddress summaryAddressY() const;
+    bool                     isEnsembleCurve() const;
+    void                     setSummaryAddressY( const RifEclipseSummaryAddress& address );
 
     // X Axis
     void                     setSummaryCaseX( RimSummaryCase* summaryCase );
@@ -54,6 +59,8 @@ class RiaSummaryCurveDefinition
     RimSummaryCase*          summaryCaseX() const;
     RifEclipseSummaryAddress summaryAddressX() const;
 
+    RiaSummaryCurveAddress summaryCurveAddress() const;
+
     void setIdentifierText( SummaryCategory category, const std::string& name );
 
     bool operator<( const RiaSummaryCurveDefinition& other ) const;