-// SMESH StdMeshers_Deflection1D : implementaion of SMESH idl descriptions
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
-// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SMESH StdMeshers_Deflection1D : implementaion of SMESH idl descriptions
// File : StdMeshers_Deflection1D.cxx
// Module : SMESH
-// $Header$
-
-using namespace std;
-
+//
#include "StdMeshers_Deflection1D.hxx"
#include "utilities.h"
+#include "SMESH_Mesh.hxx"
+#include "SMESH_Algo.hxx"
+
+#include <BRep_Tool.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>
+#include <gp_Lin.hxx>
+#include <gp_Pnt.hxx>
+
+using namespace std;
//=============================================================================
/*!
{
return hyp.LoadFrom( load );
}
+//================================================================================
+/*!
+ * \brief Evaluate curve deflection between two points
+ * \param theCurve - the curve
+ * \param theU1 - the parameter of the first point
+ * \param theU2 - the parameter of the second point
+ * \retval double - deflection value
+ */
+//================================================================================
+
+static double deflection(const GeomAdaptor_Curve & theCurve,
+ double theU1,
+ double theU2)
+{
+ if ( theCurve.GetType() == GeomAbs_Line )
+ return 0;
+ // line between theU1 and theU2
+ gp_Pnt p1 = theCurve.Value( theU1 ), p2 = theCurve.Value( theU2 );
+ gp_Lin segment( p1, gp_Vec( p1, p2 ));
+
+ // evaluate square distance of theCurve from the segment
+ Standard_Real dist2 = 0;
+ const int nbPnt = 7;
+ const double step = ( theU2 - theU1 ) / nbPnt;
+ while (( theU1 += step ) < theU2 )
+ dist2 = Max( dist2, segment.SquareDistance( theCurve.Value( theU1 )));
+
+ return sqrt( dist2 );
+}
+
+//================================================================================
+/*!
+ * \brief Initialize deflection value 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_Deflection1D::SetParametersByMesh(const SMESH_Mesh* theMesh,
+ const TopoDS_Shape& theShape)
+{
+ if ( !theMesh || theShape.IsNull() )
+ return false;
+
+ _value = 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 );
+ GeomAdaptor_Curve AdaptCurve(C, UMin, UMax);
+ if ( AdaptCurve.GetType() != GeomAbs_Line )
+ {
+ vector< double > params;
+ SMESHDS_Mesh* aMeshDS = const_cast< SMESH_Mesh* >( theMesh )->GetMeshDS();
+ if ( SMESH_Algo::GetNodeParamOnEdge( aMeshDS, edge, params ))
+ {
+ nbEdges++;
+ for ( int i = 1; i < params.size(); ++i )
+ _value = Max( _value, deflection( AdaptCurve, params[ i-1 ], params[ i ]));
+ }
+ }
+ else
+ nbEdges++;
+ }
+ return nbEdges;
+}
+
+//================================================================================
+/*!
+ * \brief Initialize my parameter values by default parameters.
+ * \retval bool - true if parameter values have been successfully defined
+ */
+//================================================================================
+
+bool StdMeshers_Deflection1D::SetParametersByDefaults(const TDefaults& /*dflts*/,
+ const SMESH_Mesh* /*theMesh*/)
+{
+ return false;
+}
