Option to disable boolean results (sets result to first operand)

src/ifcgeom/IfcGeomIteratorSettings.h

@@ -92,8 +92,10 @@ namespace IfcGeom
 			LAYERSET_FIRST = 1 << 18,
 			/// Adds arrow heads to edge segments to signify edge direction
 			EDGE_ARROWS = 1 << 19,
+			/// Disables the evaluation of IfcBooleanResult and simply returns FirstOperand
+			DISABLE_BOOLEAN_RESULT = 1 << 20,
 			/// Number of different setting flags.
-			NUM_SETTINGS = 19
+			NUM_SETTINGS = 20
         };
         /// Used to store logical OR combination of setting flags.
         typedef unsigned SettingField;