Well Log Plot: Add option to plot depth horizontally.

ApplicationLibCode/ProjectDataModel/RimDepthTrackPlot.h

@@ -65,6 +65,12 @@ public:
     typedef caf::AppEnum<AxisGridVisibility> AxisGridEnum;
     using DepthTypeEnum = RiaDefines::DepthTypeEnum;
 
+    enum class DepthOrientation
+    {
+        HORIZONTAL,
+        VERTICAL
+    };
+
 public:
     RimDepthTrackPlot();
     ~RimDepthTrackPlot() override;
@@ -94,6 +100,8 @@ public:
     void               enableDepthAxisGridLines( AxisGridVisibility gridVisibility );
     AxisGridVisibility depthAxisGridLinesEnabled() const;
 
+    RimDepthTrackPlot::DepthOrientation depthOrientation() const;
+
     void setAutoScaleXEnabled( bool enabled );
     void setAutoScaleDepthEnabled( bool enabled );
 
@@ -183,6 +191,8 @@ protected:
     caf::PdmField<caf::AppEnum<RimEnsembleWellLogStatistics::DepthEqualization>> m_depthEqualization;
     caf::PdmPtrField<RimEnsembleCurveSet*>                                       m_ensembleCurveSet;
 
+    caf::PdmField<caf::AppEnum<DepthOrientation>> m_depthOrientation;
+
     QPointer<RiuWellLogPlot>            m_viewer;
     std::set<RiaDefines::DepthUnitType> m_availableDepthUnits;
     std::set<DepthTypeEnum>             m_availableDepthTypes;