1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH StdMeshers_StartEndLength : implementation of SMESH idl descriptions
24 // File : StdMeshers_StartEndLength.cxx
27 #include "StdMeshers_StartEndLength.hxx"
29 #include "SMESH_Algo.hxx"
30 #include "SMESH_Mesh.hxx"
32 #include <BRep_Tool.hxx>
33 #include <GCPnts_AbscissaPoint.hxx>
34 #include <GeomAdaptor_Curve.hxx>
35 #include <Geom_Curve.hxx>
37 #include <TopLoc_Location.hxx>
38 #include <TopTools_IndexedMapOfShape.hxx>
40 #include <TopoDS_Edge.hxx>
44 //=============================================================================
48 //=============================================================================
50 StdMeshers_StartEndLength::StdMeshers_StartEndLength( int hypId, SMESH_Gen* gen )
51 :StdMeshers_Reversible1D(hypId, gen)
55 _name = "StartEndLength";
56 _param_algo_dim = 1; // is used by SMESH_Regular_1D
59 //=============================================================================
63 //=============================================================================
65 StdMeshers_StartEndLength::~StdMeshers_StartEndLength()
69 //=============================================================================
73 //=============================================================================
75 void StdMeshers_StartEndLength::SetLength(double length, bool isStartLength)
76 throw(SALOME_Exception)
78 if ( (isStartLength ? _begLength : _endLength) != length ) {
80 throw SALOME_Exception(LOCALIZED("length must be positive"));
86 NotifySubMeshesHypothesisModification();
90 //=============================================================================
94 //=============================================================================
96 double StdMeshers_StartEndLength::GetLength(bool isStartLength) const
98 return isStartLength ? _begLength : _endLength;
101 //=============================================================================
105 //=============================================================================
107 ostream & StdMeshers_StartEndLength::SaveTo(ostream & save)
109 int listSize = _edgeIDs.size();
110 save << _begLength << " " << _endLength << " " << listSize;
112 if ( listSize > 0 ) {
113 for ( int i = 0; i < listSize; i++) {
114 save << " " << _edgeIDs[i];
116 save << " " << _objEntry;
122 //=============================================================================
126 //=============================================================================
128 istream & StdMeshers_StartEndLength::LoadFrom(istream & load)
132 isOK = static_cast<bool>(load >> _begLength);
134 load.clear(ios::badbit | load.rdstate());
135 isOK = static_cast<bool>(load >> _endLength);
138 load.clear(ios::badbit | load.rdstate());
140 isOK = static_cast<bool>(load >> intVal);
141 if (isOK && intVal > 0) {
142 _edgeIDs.reserve( intVal );
143 for ( size_t i = 0; i < _edgeIDs.capacity() && isOK; i++) {
144 isOK = static_cast<bool>(load >> intVal);
145 if ( isOK ) _edgeIDs.push_back( intVal );
147 isOK = static_cast<bool>(load >> _objEntry);
153 //================================================================================
155 * \brief Initialize start and end length by the mesh built on the geometry
156 * \param theMesh - the built mesh
157 * \param theShape - the geometry of interest
158 * \retval bool - true if parameter values have been successfully defined
160 //================================================================================
162 bool StdMeshers_StartEndLength::SetParametersByMesh(const SMESH_Mesh* theMesh,
163 const TopoDS_Shape& theShape)
165 if ( !theMesh || theShape.IsNull() )
168 _begLength = _endLength = 0.;
170 Standard_Real UMin, UMax;
174 TopTools_IndexedMapOfShape edgeMap;
175 TopExp::MapShapes( theShape, TopAbs_EDGE, edgeMap );
176 for ( int i = 1; i <= edgeMap.Extent(); ++i )
178 const TopoDS_Edge& edge = TopoDS::Edge( edgeMap( i ));
179 Handle(Geom_Curve) C = BRep_Tool::Curve(edge, L, UMin, UMax);
180 GeomAdaptor_Curve AdaptCurve(C, UMin, UMax);
182 vector< double > params;
183 SMESHDS_Mesh* aMeshDS = const_cast< SMESH_Mesh* >( theMesh )->GetMeshDS();
184 if ( SMESH_Algo::GetNodeParamOnEdge( aMeshDS, edge, params ))
187 _begLength += GCPnts_AbscissaPoint::Length( AdaptCurve, params[0], params[1]);
188 int nb = params.size();
189 _endLength += GCPnts_AbscissaPoint::Length( AdaptCurve, params[nb-2], params[nb-1]);
193 _begLength /= nbEdges;
194 _endLength /= nbEdges;
199 //================================================================================
201 * \brief Initialize my parameter values by default parameters.
202 * \retval bool - true if parameter values have been successfully defined
204 //================================================================================
206 bool StdMeshers_StartEndLength::SetParametersByDefaults(const TDefaults& dflts,
207 const SMESH_Mesh* /*theMesh*/)
209 return (_begLength = _endLength = dflts._elemLength );