(#678) Show context menu commands on intersection

Added hide intersection

ApplicationCode/ModelVisualization/RivCrossSectionSourceInfo.h

@@ -24,6 +24,7 @@
 #include "cvfArray.h"
 
 class RivCrossSectionGeometryGenerator;
+class RimCrossSection;
 
 class RivCrossSectionSourceInfo : public cvf::Object
 {
@@ -32,6 +33,8 @@ public:
 
     const std::vector<size_t>& triangleToCellIndex() const;
 
+    const RimCrossSection* crossSection() const;
+
 private:
     cvf::cref<RivCrossSectionGeometryGenerator> m_crossSectionGeometryGenerator;
 };