(#396) Scroll wheel now pans the plot in the depth direction

ApplicationCode/ProjectDataModel/RimWellLogPlot.cpp

@@ -172,6 +172,15 @@ void RimWellLogPlot::zoomDepth(double zoomFactor)
     setDepthRange(newMinimum, newMaximum);
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RimWellLogPlot::panDepth(double panFactor)
+{
+    double delta = panFactor*(m_maximumVisibleDepth - m_minimumVisibleDepth);
+    setDepthRange(m_minimumVisibleDepth + delta, m_maximumVisibleDepth + delta);
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------

ApplicationCode/ProjectDataModel/RimWellLogPlot.h

@@ -48,6 +48,7 @@ public:
     RiuWellLogPlot* viewer();
 
     void zoomDepth(double zoomFactor);
+    void panDepth(double panFactor);
     void setDepthRange(double minimumDepth, double maximumDepth);
 
     void updateAvailableDepthRange();

ApplicationCode/UserInterface/RiuWellLogPlot.cpp

@@ -33,6 +33,7 @@
 #include <math.h>
 
 #define RIU_SCROLLWHEEL_ZOOMFACTOR  1.05
+#define RIU_SCROLLWHEEL_PANFACTOR   0.05
 
 //--------------------------------------------------------------------------------------------------
 /// 
@@ -132,6 +133,10 @@ void RiuWellLogPlot::wheelEvent(QWheelEvent* event)
              m_plotDefinition->zoomDepth(1.0/RIU_SCROLLWHEEL_ZOOMFACTOR);
          }
      }
+     else
+     {
+         m_plotDefinition->panDepth(event->delta() < 0 ? RIU_SCROLLWHEEL_PANFACTOR : -RIU_SCROLLWHEEL_PANFACTOR);
+     }
 
      event->accept();
 }