+
+//================================================================================
+/*!
+ * \brief Initialize segment length by the mesh built on the geometry
+ * \param theMesh - the built mesh
+ * \param theShape - the geometry of interest
+ * \retval bool - true if parameter values have been successfully defined
+ */
+//================================================================================
+
+bool StdMeshers_LocalLength::SetParametersByMesh(const SMESH_Mesh* theMesh,
+ const TopoDS_Shape& theShape)
+{
+ if ( !theMesh || theShape.IsNull() )
+ return false;
+
+ _length = 0.;
+
+ Standard_Real UMin, UMax;
+ TopLoc_Location L;
+
+ int nbEdges = 0;
+ TopTools_IndexedMapOfShape edgeMap;
+ TopExp::MapShapes( theShape, TopAbs_EDGE, edgeMap );
+ for ( int iE = 1; iE <= edgeMap.Extent(); ++iE )
+ {
+ const TopoDS_Edge& edge = TopoDS::Edge( edgeMap( iE ));
+ Handle(Geom_Curve) C = BRep_Tool::Curve( edge, L, UMin, UMax );
+ if ( C.IsNull() )
+ continue;
+ GeomAdaptor_Curve AdaptCurve(C, UMin, UMax);
+
+ vector< double > params;
+ SMESHDS_Mesh* aMeshDS = const_cast< SMESH_Mesh* >( theMesh )->GetMeshDS();
+ if ( SMESH_Algo::GetNodeParamOnEdge( aMeshDS, edge, params ))
+ {
+ for ( size_t i = 1; i < params.size(); ++i )
+ _length += GCPnts_AbscissaPoint::Length( AdaptCurve, params[ i-1 ], params[ i ]);
+ nbEdges += params.size() - 1;
+ }
+ }
+ if ( nbEdges )
+ _length /= nbEdges;
+
+ _precision = Precision::Confusion();
+
+ return nbEdges;
+}
+//================================================================================
+/*!
+ * \brief Initialize my parameter values by default parameters.
+ * \retval bool - true if parameter values have been successfully defined
+ */
+//================================================================================
+
+bool StdMeshers_LocalLength::SetParametersByDefaults(const TDefaults& dflts,
+ const SMESH_Mesh* /*theMesh*/)
+{
+ return ( _length = dflts._elemLength );
+}
+