// Module : SMESH
// $Header$
-using namespace std;
-
#include "StdMeshers_StartEndLength.hxx"
-#include "utilities.h"
+#include "SMESH_Algo.hxx"
+#include "SMESH_Mesh.hxx"
+
+#include <BRep_Tool.hxx>
+#include <GCPnts_AbscissaPoint.hxx>
+#include <GeomAdaptor_Curve.hxx>
+#include <Geom_Curve.hxx>
+#include <TopExp.hxx>
+#include <TopLoc_Location.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+
+using namespace std;
//=============================================================================
/*!
:SMESH_Hypothesis(hypId, studyId, gen)
{
_begLength = 1.;
- _endLength = 1.;
+ _endLength = 10.;
_name = "StartEndLength";
_param_algo_dim = 1; // is used by SMESH_Regular_1D
}
{
return hyp.LoadFrom( load );
}
+
+//================================================================================
+/*!
+ * \brief Initialize start and end 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_StartEndLength::SetParametersByMesh(const SMESH_Mesh* theMesh,
+ const TopoDS_Shape& theShape)
+{
+ if ( !theMesh || theShape.IsNull() )
+ return false;
+
+ _begLength = _endLength = 0.;
+
+ Standard_Real UMin, UMax;
+ TopLoc_Location L;
+
+ int nbEdges = 0;
+ TopTools_IndexedMapOfShape edgeMap;
+ TopExp::MapShapes( theShape, TopAbs_EDGE, edgeMap );
+ for ( int i = 1; i <= edgeMap.Extent(); ++i )
+ {
+ const TopoDS_Edge& edge = TopoDS::Edge( edgeMap( i ));
+ Handle(Geom_Curve) C = BRep_Tool::Curve(edge, L, UMin, UMax);
+ GeomAdaptor_Curve AdaptCurve(C);
+
+ vector< double > params;
+ SMESHDS_Mesh* aMeshDS = const_cast< SMESH_Mesh* >( theMesh )->GetMeshDS();
+ if ( SMESH_Algo::GetNodeParamOnEdge( aMeshDS, edge, params ))
+ {
+ nbEdges++;
+ _begLength += GCPnts_AbscissaPoint::Length( AdaptCurve, params[0], params[1]);
+ int nb = params.size();
+ _endLength += GCPnts_AbscissaPoint::Length( AdaptCurve, params[nb-2], params[nb-1]);
+ }
+ }
+ if ( nbEdges ) {
+ _begLength /= nbEdges;
+ _endLength /= nbEdges;
+ }
+ return nbEdges;
+}