+
+ /*!
+ * sum of length of 1D elements of the source
+ */
+ double Length(in SMESH_IDSource source);
+
+ /*!
+ * sum of area of 2D elements of the source
+ */
+ double Area(in SMESH_IDSource source);
+
+ /*!
+ * sum of volume of 3D elements of the source
+ */
+ double Volume(in SMESH_IDSource source);
+
+ /*!
+ * gravity center of the source
+ */
+ PointStruct GravityCenter(in SMESH_IDSource source);
+
+ /*!
+ * angle in radians defined by 3 points <(p1,p2,p3)
+ */
+ double Angle(in PointStruct p1, in PointStruct p2, in PointStruct p3 );