-// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
#include "NETGENPlugin_Mesher.hxx"
#include "NETGENPlugin_Hypothesis_2D.hxx"
+#include "NETGENPlugin_Provider.hxx"
#include <SMDS_MeshElement.hxx>
#include <SMDS_MeshNode.hxx>
#include <meshing.hpp>
//#include <meshtype.hpp>
namespace netgen {
-#ifdef NETGEN_V5
- extern int OCCGenerateMesh (OCCGeometry&, Mesh*&, MeshingParameters&, int, int);
-#else
- extern int OCCGenerateMesh (OCCGeometry&, Mesh*&, int, int, char*);
-#endif
-#ifdef NETGEN_V5 && WIN32
- DLL_HEADER
-#endif
+ NETGENPLUGIN_DLL_HEADER
extern MeshingParameters mparam;
+#ifdef NETGEN_V5
extern void OCCSetLocalMeshSize(OCCGeometry & geom, Mesh & mesh);
+#endif
}
using namespace std;
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
NETGENPlugin_NETGEN_2D_ONLY::NETGENPlugin_NETGEN_2D_ONLY(int hypId,
- int studyId,
SMESH_Gen* gen)
- : SMESH_2D_Algo(hypId, studyId, gen)
+ : SMESH_2D_Algo(hypId, gen)
{
_name = "NETGEN_2D_ONLY";
-
+
_shapeType = (1 << TopAbs_FACE);// 1 bit /shape type
_onlyUnaryInput = false; // treat all FACEs at once
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
NETGENPlugin_NETGEN_2D_ONLY::~NETGENPlugin_NETGEN_2D_ONLY()
{
- MESSAGE("NETGENPlugin_NETGEN_2D_ONLY::~NETGENPlugin_NETGEN_2D_ONLY");
+ //MESSAGE("NETGENPlugin_NETGEN_2D_ONLY::~NETGENPlugin_NETGEN_2D_ONLY");
}
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
_hypParameters = 0;
_progressByTic = -1;
+
const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape, false);
if (hyps.empty())
int nbHyps = bool(_hypMaxElementArea) + bool(_hypLengthFromEdges) + bool(_hypParameters );
if ( nbHyps > 1 )
- aStatus = HYP_CONCURENT;
+ aStatus = HYP_CONCURRENT;
else if ( hasVL )
error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus ));
else
bool NETGENPlugin_NETGEN_2D_ONLY::Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape)
{
+ aMesh.Lock();
+ SMESH_Hypothesis::Hypothesis_Status hypStatus;
+ this->CheckHypothesis(aMesh, aShape, hypStatus);
+ aMesh.Unlock();
+
netgen::multithread.terminate = 0;
//netgen::multithread.task = "Surface meshing";
SMESH_MesherHelper helper(aMesh);
helper.SetElementsOnShape( true );
- NETGENPlugin_NetgenLibWrapper ngLib;
- ngLib._isComputeOk = false;
+ NETGENPlugin_NetgenLibWrapper *ngLib;
+ int id_ngLib = nglib_provider.take(&ngLib);
+ ngLib->_isComputeOk = false;
netgen::Mesh ngMeshNoLocSize;
- netgen::Mesh * ngMeshes[2] = { (netgen::Mesh*) ngLib._ngMesh, & ngMeshNoLocSize };
- netgen::OCCGeometry occgeoComm;
+ netgen::Mesh * ngMeshes[2] = { (netgen::Mesh*) ngLib->_ngMesh, & ngMeshNoLocSize };
+ netgen::OCCGeometry *occgeoComm;
+ int id_occgeoComm = occgeom_provider.take(&occgeoComm);
// min / max sizes are set as follows:
// if ( _hypParameters )
// else
// min = aMesher.GetDefaultMinSize()
// max = max segment len of a FACE
-
NETGENPlugin_Mesher aMesher( &aMesh, aShape, /*isVolume=*/false);
aMesher.SetParameters( _hypParameters ); // _hypParameters -> netgen::mparam
const bool toOptimize = _hypParameters ? _hypParameters->GetOptimize() : true;
if ( isCommonLocalSize ) // compute common local size in ngMeshes[0]
{
//list< SMESH_subMesh* > meshedSM[4]; --> all sub-shapes are added to occgeoComm
- aMesher.PrepareOCCgeometry( occgeoComm, aShape, aMesh );//, meshedSM );
+ aMesher.PrepareOCCgeometry( *occgeoComm, aShape, aMesh );//, meshedSM );
// local size set at MESHCONST_ANALYSE step depends on
// minh, face_maxh, grading and curvaturesafety; find minh if not set by the user
if ( !_hypParameters || netgen::mparam.minh < DBL_MIN )
{
if ( !_hypParameters )
- netgen::mparam.maxh = occgeoComm.GetBoundingBox().Diam() / 3.;
+ netgen::mparam.maxh = occgeoComm->GetBoundingBox().Diam() / 3.;
netgen::mparam.minh = aMesher.GetDefaultMinSize( aShape, netgen::mparam.maxh );
}
// set local size depending on curvature and NOT closeness of EDGEs
+#ifdef NETGEN_V6
+ const double factor = 2; //netgen::occparam.resthcloseedgefac;
+#else
+ const double factor = netgen::occparam.resthcloseedgefac;
netgen::occparam.resthcloseedgeenable = false;
- //netgen::occparam.resthcloseedgefac = 1.0 + netgen::mparam.grading;
- occgeoComm.face_maxh = netgen::mparam.maxh;
- netgen::OCCSetLocalMeshSize( occgeoComm, *ngMeshes[0] );
- occgeoComm.emap.Clear();
- occgeoComm.vmap.Clear();
+ netgen::occparam.resthcloseedgefac = 1.0 + netgen::mparam.grading;
+#endif
+ occgeoComm->face_maxh = netgen::mparam.maxh;
+#ifdef NETGEN_V6
+ netgen::OCCParameters occparam;
+ netgen::OCCSetLocalMeshSize( *occgeoComm, *ngMeshes[0], netgen::mparam, occparam );
+#else
+ netgen::OCCSetLocalMeshSize( *occgeoComm, *ngMeshes[0] );
+#endif
+ occgeoComm->emap.Clear();
+ occgeoComm->vmap.Clear();
// set local size according to size of existing segments
- const double factor = netgen::occparam.resthcloseedgefac;
TopTools_IndexedMapOfShape edgeMap;
TopExp::MapShapes( aMesh.GetShapeToMesh(), TopAbs_EDGE, edgeMap );
for ( int iE = 1; iE <= edgeMap.Extent(); ++iE )
}
// set local size defined on shapes
- aMesher.SetLocalSize( occgeoComm, *ngMeshes[0] );
+ aMesher.SetLocalSize( *occgeoComm, *ngMeshes[0] );
+ aMesher.SetLocalSizeForChordalError( *occgeoComm, *ngMeshes[0] );
try {
ngMeshes[0]->LoadLocalMeshSize( mparam.meshsizefilename );
} catch (NgException & ex) {
}
}
netgen::mparam.uselocalh = toOptimize; // restore as it is used at surface optimization
-
// ==================
// Loop on all FACEs
// ==================
// get all EDGEs of a FACE
// ------------------------
TSideVector wires =
- StdMeshers_FaceSide::GetFaceWires( F, aMesh, ignoreMediumNodes, faceErr, proxyMesh );
+ StdMeshers_FaceSide::GetFaceWires( F, aMesh, ignoreMediumNodes, faceErr, &helper, proxyMesh );
if ( faceErr && !faceErr->IsOK() )
continue;
- int nbWires = wires.size();
+ size_t nbWires = wires.size();
if ( nbWires == 0 )
{
faceErr.reset
if (_hypLengthFromEdges )
{
// compute edgeLength as an average segment length
- int nbSegments = 0;
- for ( int iW = 0; iW < nbWires; ++iW )
+ smIdType nbSegments = 0;
+ for ( size_t iW = 0; iW < nbWires; ++iW )
{
edgeLength += wires[ iW ]->Length();
nbSegments += wires[ iW ]->NbSegments();
}
if ( nbSegments )
- edgeLength /= nbSegments;
+ edgeLength /= double( nbSegments );
netgen::mparam.maxh = edgeLength;
}
else if ( isDefaultHyp )
{
// set edgeLength by a longest segment
double maxSeg2 = 0;
- for ( int iW = 0; iW < nbWires; ++iW )
+ for ( size_t iW = 0; iW < nbWires; ++iW )
{
const UVPtStructVec& points = wires[ iW ]->GetUVPtStruct();
if ( points.empty() )
netgen::mparam.maxh = edgeLength;
}
if ( netgen::mparam.maxh < DBL_MIN )
- netgen::mparam.maxh = occgeoComm.GetBoundingBox().Diam();
+ netgen::mparam.maxh = occgeoComm->GetBoundingBox().Diam();
if ( !isCommonLocalSize )
{
}
// prepare occgeom
- netgen::OCCGeometry occgeom;
- occgeom.shape = F;
- occgeom.fmap.Add( F );
- occgeom.CalcBoundingBox();
- occgeom.facemeshstatus.SetSize(1);
- occgeom.facemeshstatus = 0;
- occgeom.face_maxh_modified.SetSize(1);
- occgeom.face_maxh_modified = 0;
- occgeom.face_maxh.SetSize(1);
- occgeom.face_maxh = netgen::mparam.maxh;
+ netgen::OCCGeometry *occgeom;
+ int id_occgeom = occgeom_provider.take(&occgeom);
+ occgeom->shape = F;
+ occgeom->fmap.Add( F );
+ occgeom->CalcBoundingBox();
+ occgeom->facemeshstatus.SetSize(1);
+ occgeom->facemeshstatus = 0;
+ occgeom->face_maxh_modified.SetSize(1);
+ occgeom->face_maxh_modified = 0;
+ occgeom->face_maxh.SetSize(1);
+ occgeom->face_maxh = netgen::mparam.maxh;
// -------------------------
// Fill netgen mesh
{
ngMesh->SetGlobalH ( mparam.maxh );
ngMesh->SetMinimalH( mparam.minh );
- Box<3> bb = occgeom.GetBoundingBox();
+ Box<3> bb = occgeom->GetBoundingBox();
bb.Increase (bb.Diam()/10);
ngMesh->SetLocalH (bb.PMin(), bb.PMax(), mparam.grading);
- aMesher.SetLocalSize( occgeom, *ngMesh );
+ aMesher.SetLocalSize( *occgeom, *ngMesh );
+ aMesher.SetLocalSizeForChordalError( *occgeoComm, *ngMesh );
try {
ngMesh->LoadLocalMeshSize( mparam.meshsizefilename );
} catch (NgException & ex) {
}
nodeVec.clear();
- faceErr = aMesher.AddSegmentsToMesh( *ngMesh, occgeom, wires, helper, nodeVec,
+ faceErr = aMesher.AddSegmentsToMesh( *ngMesh, *occgeom, wires, helper, nodeVec,
/*overrideMinH=*/!_hypParameters);
if ( faceErr && !faceErr->IsOK() )
break;
SMESH_Comment str;
try {
OCC_CATCH_SIGNALS;
-
-#ifdef NETGEN_V5
- err = netgen::OCCGenerateMesh(occgeom, ngMesh, netgen::mparam, startWith, endWith);
-#else
- char *optstr = 0;
- err = netgen::OCCGenerateMesh(occgeom, ngMesh, startWith, endWith, optstr);
-#endif
+ err = ngLib->GenerateMesh(*occgeom, startWith, endWith, ngMesh);
if ( netgen::multithread.terminate )
return false;
if ( err )
}
if ( err )
{
- if ( aMesher.FixFaceMesh( occgeom, *ngMesh, 1 ))
+ if ( aMesher.FixFaceMesh( *occgeom, *ngMesh, 1 ))
break;
if ( iLoop == LOC_SIZE )
{
}
}
-
+ occgeom_provider.release(id_occgeoComm, true);
+ occgeom_provider.release(id_occgeom, true);
+ aMesh.Lock();
// ----------------------------------------------------
// Fill the SMESHDS with the generated nodes and faces
// ----------------------------------------------------
int nbNodes = ngMesh->GetNP();
int nbFaces = ngMesh->GetNSE();
- int nbInputNodes = nodeVec.size()-1;
+ int nbInputNodes = (int) nodeVec.size()-1;
nodeVec.resize( nbNodes+1, 0 );
// add nodes
break;
} // two attempts
} // loop on FACEs
+ aMesh.Unlock();
+ nglib_provider.release(id_ngLib, true);
+
return true;
}
return false;
// collect info from edges
- int nb0d = 0, nb1d = 0;
+ smIdType nb0d = 0, nb1d = 0;
bool IsQuadratic = false;
bool IsFirst = true;
double fullLen = 0.0;
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
- std::vector<int> aVec = (*anIt).second;
+ std::vector<smIdType> aVec = (*anIt).second;
nb0d += aVec[SMDSEntity_Node];
- nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
+ nb1d += std::max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
double aLen = SMESH_Algo::EdgeLength(E);
fullLen += aLen;
if(IsFirst) {
double ELen = 0;
if (( _hypLengthFromEdges ) || ( !_hypLengthFromEdges && !_hypMaxElementArea )) {
if ( nb1d > 0 )
- ELen = fullLen / nb1d;
+ ELen = fullLen / double( nb1d );
}
if ( _hypMaxElementArea ) {
double maxArea = _hypMaxElementArea->GetMaxArea();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated.\nToo small element length",this));
return false;
}
- int nbFaces = (int) ( anArea / ( ELen*ELen*sqrt(3.) / 4 ) );
- int nbNodes = (int) ( ( nbFaces*3 - (nb1d-1)*2 ) / 6 + 1 );
- std::vector<int> aVec(SMDSEntity_Last);
- for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
+ smIdType nbFaces = (smIdType) ( anArea / ( ELen*ELen*sqrt(3.) / 4 ) );
+ smIdType nbNodes = (smIdType) ( ( nbFaces*3 - (nb1d-1)*2 ) / 6 + 1 );
+ std::vector<smIdType> aVec(SMDSEntity_Last);
+ for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
if( IsQuadratic ) {
aVec[SMDSEntity_Node] = nbNodes;
aVec[SMDSEntity_Quad_Triangle] = nbFaces;
