+ /*!
+ * \brief Check if the shape set through IsQuadraticSubMesh() or SetSubShape()
+ * has a seam edge that encounters twice in a wire
+ * \retval bool - true if it has
+ */
+ bool HasRealSeam() const { return HasSeam() && ( *mySeamShapeIds.begin() < 0 ); }
+ /*!
+ * \brief Return a number of real seam edges in the shape set through
+ * IsQuadraticSubMesh() or SetSubShape(). A real seam edge encounters twice in a wire
+ * \retval size_t - nb of real seams
+ */
+ size_t NbRealSeam() const;