Made cell visibility check more robust

ApplicationCode/ProjectDataModel/RimEclipseWell.cpp

@@ -197,7 +197,9 @@ bool RimEclipseWell::calculateWellPipeVisibility(size_t frameIndex)
             if (gridIndex != cvf::UNDEFINED_SIZE_T && gridCellIndex != cvf::UNDEFINED_SIZE_T)
             {
                 cvf::cref<cvf::UByteArray> cellVisibility = rvMan->cellVisibility(visGridParts[gpIdx], gridIndex, frameIndex);
-                if ((*cellVisibility)[gridCellIndex]) 
+                if ((*cellVisibility).size() > 0 && 
+                    (*cellVisibility).size() - 1 < gridCellIndex &&
+                    (*cellVisibility)[gridCellIndex])
                 {
                     return true;
                 }