diff --git a/ApplicationCode/ModelVisualization/Riv2dGridProjectionPartMgr.cpp b/ApplicationCode/ModelVisualization/Riv2dGridProjectionPartMgr.cpp
index 11dcca0ea6..c182ff3584 100644
--- a/ApplicationCode/ModelVisualization/Riv2dGridProjectionPartMgr.cpp
+++ b/ApplicationCode/ModelVisualization/Riv2dGridProjectionPartMgr.cpp
@@ -46,22 +46,25 @@ void Riv2dGridProjectionPartMgr::appendProjectionToModel(cvf::ModelBasicList* mo
         model->addPart(part.p());
     }
 
-    std::vector<cvf::ref<cvf::DrawableGeo>> contourDrawables = createContourPolygons(displayCoordTransform);
-    for (cvf::ref<cvf::DrawableGeo> contourDrawable : contourDrawables)
+    if (m_2dGridProjection->showContourLines())
     {
-        if (contourDrawable.notNull() && contourDrawable->boundingBox().isValid())
+        std::vector<cvf::ref<cvf::DrawableGeo>> contourDrawables = createContourPolygons(displayCoordTransform);
+        for (cvf::ref<cvf::DrawableGeo> contourDrawable : contourDrawables)
         {
-            caf::MeshEffectGenerator meshEffectGen(cvf::Color3::BLACK);
-            meshEffectGen.setLineWidth(1.0f);
-            meshEffectGen.createAndConfigurePolygonOffsetRenderState(caf::PO_2);
-            cvf::ref<cvf::Effect> effect = meshEffectGen.generateCachedEffect();
+            if (contourDrawable.notNull() && contourDrawable->boundingBox().isValid())
+            {
+                caf::MeshEffectGenerator meshEffectGen(cvf::Color3::BLACK);
+                meshEffectGen.setLineWidth(1.0f);
+                meshEffectGen.createAndConfigurePolygonOffsetRenderState(caf::PO_2);
+                cvf::ref<cvf::Effect> effect = meshEffectGen.generateCachedEffect();
 
-            cvf::ref<cvf::Part> part = new cvf::Part;
-            part->setDrawable(contourDrawable.p());
-            part->setEffect(effect.p());
-            part->setSourceInfo(new RivMeshLinesSourceInfo(m_2dGridProjection.p()));
+                cvf::ref<cvf::Part> part = new cvf::Part;
+                part->setDrawable(contourDrawable.p());
+                part->setEffect(effect.p());
+                part->setSourceInfo(new RivMeshLinesSourceInfo(m_2dGridProjection.p()));
 
-            model->addPart(part.p());
+                model->addPart(part.p());
+            }
         }
     }
 }
diff --git a/ApplicationCode/ProjectDataModel/Rim2dGridProjection.cpp b/ApplicationCode/ProjectDataModel/Rim2dGridProjection.cpp
index e93b141bc1..66fed7ad26 100644
--- a/ApplicationCode/ProjectDataModel/Rim2dGridProjection.cpp
+++ b/ApplicationCode/ProjectDataModel/Rim2dGridProjection.cpp
@@ -68,6 +68,8 @@ Rim2dGridProjection::Rim2dGridProjection()
 
     CAF_PDM_InitFieldNoDefault(&m_resultAggregation, "ResultAggregation", "Result Aggregation", "", "", "");
 
+    CAF_PDM_InitField(&m_showContourLines, "ContourLines", true, "Show Contour Lines", "", "", "");
+
     setName("2d Grid Projection");
     nameField()->uiCapability()->setUiReadOnly(true);
 
@@ -297,6 +299,14 @@ double Rim2dGridProjection::sampleSpacing() const
     return m_sampleSpacing;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool Rim2dGridProjection::showContourLines() const
+{
+    return m_showContourLines();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -882,20 +892,18 @@ RigMainGrid* Rim2dGridProjection::mainGrid() const
 //--------------------------------------------------------------------------------------------------
 void Rim2dGridProjection::fieldChangedByUi(const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue)
 {
-    if (changedField == &m_isChecked || changedField == &m_sampleSpacing || changedField == &m_resultAggregation)
-    {
-        RimEclipseView* view = nullptr;
-        this->firstAncestorOrThisOfTypeAsserted(view);
-        view->updateConnectedEditors();
-
-        RimProject* proj;
-        view->firstAncestorOrThisOfTypeAsserted(proj);
-        proj->scheduleCreateDisplayModelAndRedrawAllViews();
-    }
     if (changedField == &m_resultAggregation)
     {
         legendConfig()->disableAllTimeStepsRange(isSummationResult());
     }
+
+    RimEclipseView* view = nullptr;
+    this->firstAncestorOrThisOfTypeAsserted(view);
+    view->updateConnectedEditors();
+
+    RimProject* proj;
+    view->firstAncestorOrThisOfTypeAsserted(proj);
+    proj->scheduleCreateDisplayModelAndRedrawAllViews();
 }
 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/ProjectDataModel/Rim2dGridProjection.h b/ApplicationCode/ProjectDataModel/Rim2dGridProjection.h
index 7d3470bd16..121f473471 100644
--- a/ApplicationCode/ProjectDataModel/Rim2dGridProjection.h
+++ b/ApplicationCode/ProjectDataModel/Rim2dGridProjection.h
@@ -69,6 +69,8 @@ public:
     double                      maxValue() const;
     double                      minValue() const;
     double                      sampleSpacing() const;
+    bool                        showContourLines() const;
+
     void                        updateDefaultSampleSpacingFromGrid();
     const std::vector<double>&  aggregatedResults() const;
     bool                        isSummationResult() const;
@@ -111,6 +113,8 @@ protected:
 protected:
     caf::PdmField<double>                              m_sampleSpacing;
     caf::PdmField<ResultAggregation>                   m_resultAggregation;
+    caf::PdmField<bool>                                m_showContourLines;
+
     std::map<size_t, cvf::ref<cvf::UByteArray>>        m_cellGridIdxVisibilityMap;
 
     std::vector<double>                                m_aggregatedResults;