Index: dam engine/trunk/src/Deltares.DamEngine.Interface/ConversionHelper.cs
===================================================================
diff -u -r707 -r711
--- dam engine/trunk/src/Deltares.DamEngine.Interface/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 707)
+++ dam engine/trunk/src/Deltares.DamEngine.Interface/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 711)
@@ -449,5 +449,50 @@
                                                };
             return translationTable[inputAnalysisType];
         }
+
+        /// <summary>
+        /// The input zone type no zones
+        /// </summary>
+        public const int InputZoneTypeNoZones = 0;
+        /// <summary>
+        /// The input zone type zone areas
+        /// </summary>
+        public const int InputZoneTypeZoneAreas = 1;
+        /// <summary>
+        /// The input zone types forbidden zones
+        /// </summary>
+        public const int InputZoneTypesForbiddenZones = 2;
+
+        /// <summary>
+        /// Converts the type of to input zone.
+        /// </summary>
+        /// <param name="zoneType">Type of the zone.</param>
+        /// <returns></returns>
+        public static int ConvertToInputZoneType(MStabZonesType zoneType)
+        {
+            var translationTable = new Dictionary<MStabZonesType, int>()
+                                               {
+                                                   {MStabZonesType.NoZones, InputZoneTypeNoZones},
+                                                   {MStabZonesType.ZoneAreas, InputZoneTypeZoneAreas},
+                                                   {MStabZonesType.ForbiddenZone, InputZoneTypesForbiddenZones}
+                                               };
+            return translationTable[zoneType];
+        }
+
+        /// <summary>
+        /// Converts the type of to zone.
+        /// </summary>
+        /// <param name="inputZoneType">Type of the input zone.</param>
+        /// <returns></returns>
+        public static MStabZonesType ConvertToZoneType(int inputZoneType)
+        {
+            var translationTable = new Dictionary<int, MStabZonesType > ()
+                                               {
+                                                   {InputZoneTypeNoZones, MStabZonesType.NoZones},
+                                                   {InputZoneTypeZoneAreas, MStabZonesType.ZoneAreas},
+                                                   {InputZoneTypesForbiddenZones, MStabZonesType.ForbiddenZone}
+                                               };
+            return translationTable[inputZoneType];
+        }
     }
 }
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