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Adding parallel meshing (NETGEN only, Linux Only)

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See example test/SMESH_ParallelCompute.py for an example
This commit is contained in:
Yoann Audouin 2022-10-21 15:03:25 +02:00
parent fa95110a3b
commit 7292711034
28 changed files with 1577 additions and 385 deletions
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2
doc/gui/input/about_meshes.rst
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@ -52,7 +52,7 @@ The mesh can include the following entities:
* **Node** - a mesh entity defining a position in 3D space with coordinates (x, y, z).
* **Edge** (or segment) - 1D mesh element linking two nodes.
* **Face** - 2D mesh element representing a part of surface bound by links between face nodes. A face can be a triangle, quadrangle or polygon.
* **Volume** - 3D mesh element representing a part of 3D space bound by volume facets. Nodes of a volume describing each facet are defined by the :ref:`connectivity convention <connectivity_page>`. A volume can be a tetrahedron, hexahedron, pentahedron, pyramid, hexagonal prism or polyhedron.
* **Volume** - 3D mesh element representing a part of 3D space bound by volume facets. Nodes of a volume describing each facet are defined by the :ref:`connectivity convention <connectivity_page>`. A volume can be a tetrahedron, hexahedron, pentahedron, pyramid, hexagonal or polyhedron.
* **0D** element - mesh element defined by one node.
* **Ball** element - discrete mesh element defined by a node and a diameter.

49
idl/SMESH_Mesh.idl
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@ -156,7 +156,7 @@ module SMESH
Geom_BALL,
Geom_LAST
};
/*!
* ElementOrder points out entities of what order are requested
*/
@ -238,7 +238,7 @@ module SMESH
DRS_FAIL // general failure (exception etc.)
};
/*!
/*!
* \brief A structure containing information about MED file
*/
struct MedFileInfo
@ -263,7 +263,7 @@ module SMESH
*/
const long EXTRUSION_FLAG_BOUNDARY = 1;
const long EXTRUSION_FLAG_SEW = 2;
/*!
* Structure used in mesh edit preview data (MeshPreviewStruct)
*/
@ -344,7 +344,7 @@ module SMESH
/*!
* Get geom shape to mesh. A result should not be nil. Use HasShapeToMesh()
* to know if a returned shape
* to know if a returned shape
*/
GEOM::GEOM_Object GetShapeToMesh()
raises (SALOME::SALOME_Exception);
@ -457,7 +457,7 @@ module SMESH
in SMESH_GroupBase aGroup2,
in string name )
raises (SALOME::SALOME_Exception);
/*!
* Union of list of groups
* New group is created. All mesh elements that are
@ -476,7 +476,7 @@ module SMESH
in SMESH_GroupBase aGroup2,
in string name )
raises (SALOME::SALOME_Exception);
/*!
* Intersection of list of groups
* New group is created. All mesh elements that are
@ -495,7 +495,7 @@ module SMESH
in SMESH_GroupBase aToolGroup,
in string name )
raises (SALOME::SALOME_Exception);
/*!
* Cut of lists of groups
* New group is created. All mesh elements that are present in
@ -505,14 +505,14 @@ module SMESH
in ListOfGroups aToolGroups,
in string name)
raises (SALOME::SALOME_Exception);
/*!
* Create a group of entities basing on nodes of other groups.
* \param [in] aListOfGroups - list of either groups, sub-meshes or filters.
* \param [in] anElemType - a type of elements to include to the new group.
* \param [in] name - a name of the new group.
* \param [in] nbCommonNodes - criterion of inclusion of an element to the new group.
* \param [in] underlyingOnly - if \c True, an element is included to the
* \param [in] underlyingOnly - if \c True, an element is included to the
* new group provided that it is based on nodes of an element of
* \a aListOfGroups
* \return SMESH_Group - the created group
@ -679,12 +679,12 @@ module SMESH
* med files in 4.0.0 (default format) or 3.2.1 or 3.3.1 formats.
* The minor must be between 0 and the current minor version of MED file library.
* If version is equal to -1, the version is not changed (default).
* - autoDimension : if @c True, a space dimension for export is defined by mesh
* - autoDimension : if @c True, a space dimension for export is defined by mesh
* configuration; for example a planar mesh lying on XOY plane
* will be exported as a mesh in 2D space.
* will be exported as a mesh in 2D space.
* If @a autoDimension == @c False, the space dimension is 3.
* - fields : list of GEOM fields defined on the shape to mesh.
* - geomAssocFields : each character of this string means a need to export a
* - geomAssocFields : each character of this string means a need to export a
* corresponding field; correspondence between fields and characters is following:
* - 'v' stands for _vertices_ field;
* - 'e' stands for _edges_ field;
@ -724,7 +724,7 @@ module SMESH
* encoded in 10*major+minor (for instance, code for med 3.2.1 is 32)
*/
long_array GetMEDVersionsCompatibleForAppend();
/*!
* Export Mesh to different Formats
* (UNV supported version is I-DEAS 10)
@ -735,17 +735,17 @@ module SMESH
in boolean renumer ) raises (SALOME::SALOME_Exception);
void ExportSTL( in string file,
in boolean isascii ) raises (SALOME::SALOME_Exception);
void ExportCGNS( in SMESH_IDSource meshPart,
void ExportCGNS( in SMESH_IDSource meshPart,
in string file,
in boolean overwrite,
in boolean groupElemsByType) raises (SALOME::SALOME_Exception);
void ExportGMF( in SMESH_IDSource meshPart,
void ExportGMF( in SMESH_IDSource meshPart,
in string file,
in boolean withRequiredGroups) raises (SALOME::SALOME_Exception);
void ExportPartToDAT( in SMESH_IDSource meshPart,
void ExportPartToDAT( in SMESH_IDSource meshPart,
in string file,
in boolean renumer ) raises (SALOME::SALOME_Exception);
void ExportPartToUNV( in SMESH_IDSource meshPart,
void ExportPartToUNV( in SMESH_IDSource meshPart,
in string file,
in boolean renumer ) raises (SALOME::SALOME_Exception);
void ExportPartToSTL( in SMESH_IDSource meshPart,
@ -857,10 +857,10 @@ module SMESH
smIdType_array GetNodesId()
raises (SALOME::SALOME_Exception);
/*!
* Returns type of mesh element
*/
*/
ElementType GetElementType( in smIdType id, in boolean iselem )
raises (SALOME::SALOME_Exception);
@ -875,7 +875,7 @@ module SMESH
smIdType_array GetSubMeshNodesId(in long ShapeID, in boolean all )
raises (SALOME::SALOME_Exception);
ElementType GetSubMeshElementType(in long ShapeID)
raises (SALOME::SALOME_Exception);
@ -899,6 +899,11 @@ module SMESH
*/
boolean SetMeshOrder(in submesh_array_array theSubMeshArray);
/*!
* \brief Set Number of Threads
*/
void SetNbThreads(in long nbThreads);
/*!
/*!
* Get mesh description
@ -939,7 +944,7 @@ module SMESH
long GetShapeID(in smIdType id);
/*!
* For given element returns ID of result shape after
* For given element returns ID of result shape after
* ::FindShape() from SMESH_MeshEditor
* If there is not element for given ID - returns -1
*/
@ -1072,7 +1077,7 @@ module SMESH
*/
smIdType_array GetElementsByType( in ElementType theType )
raises (SALOME::SALOME_Exception);
/*!
* Returns type of mesh element (same as SMESH_Mesh::GetElementType() )
*/

8
src/SMESH/CMakeLists.txt
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@ -90,6 +90,9 @@ SET(SMESHimpl_HEADERS
SMESH_SMESH.hxx
MG_ADAPT.hxx
SMESH_Homard.hxx
SMESH_DriverMesh.hxx
SMESH_DriverShape.hxx
SMESH_MeshLocker.hxx
)
# --- sources ---
@ -110,6 +113,9 @@ SET(SMESHimpl_SOURCES
SMESH_MesherHelper.cxx
MG_ADAPT.cxx
SMESH_Homard.cxx
SMESH_DriverMesh.cxx
SMESH_DriverShape.cxx
SMESH_MeshLocker.cxx
)
# --- rules ---
@ -117,7 +123,7 @@ SET(SMESHimpl_SOURCES
ADD_LIBRARY(SMESHimpl ${SMESHimpl_SOURCES})
IF(WIN32)
TARGET_COMPILE_OPTIONS(SMESHimpl PRIVATE /bigobj)
ADD_DEFINITIONS(-DNOMINMAX)
ADD_DEFINITIONS(-DNOMINMAX)
ENDIF(WIN32)
TARGET_LINK_LIBRARIES(SMESHimpl ${_link_LIBRARIES} )

20
src/SMESH/SMESH_Algo.cxx
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@ -169,7 +169,7 @@ const SMESH_Algo::Features& SMESH_Algo::GetFeatures( const std::string& algoType
//=============================================================================
/*!
*
*
*/
//=============================================================================
@ -186,7 +186,7 @@ SMESH_Algo::SMESH_Algo (int hypId, SMESH_Gen * gen)
//=============================================================================
/*!
*
*
*/
//=============================================================================
@ -198,7 +198,7 @@ SMESH_Algo::~SMESH_Algo()
//=============================================================================
/*!
*
*
*/
//=============================================================================
@ -238,7 +238,7 @@ istream & SMESH_Algo::LoadFrom(istream & load) { return load; }
//=============================================================================
/*!
*
*
*/
//=============================================================================
@ -252,7 +252,7 @@ const vector < string > &SMESH_Algo::GetCompatibleHypothesis()
* List the hypothesis used by the algorithm associated to the shape.
* Hypothesis associated to father shape -are- taken into account (see
* GetAppliedHypothesis). Relevant hypothesis have a name (type) listed in
* the algorithm. This method could be surcharged by specific algorithms, in
* the algorithm. This method could be surcharged by specific algorithms, in
* case of several hypothesis simultaneously applicable.
*/
//=============================================================================
@ -264,7 +264,7 @@ SMESH_Algo::GetUsedHypothesis(SMESH_Mesh & aMesh,
{
SMESH_Algo* me = const_cast< SMESH_Algo* >( this );
std::list<const SMESHDS_Hypothesis *> savedHyps; // don't delete the list if
std::list<const SMESHDS_Hypothesis *> savedHyps; // don't delete the list if
savedHyps.swap( me->_usedHypList ); // it does not change (#16578)
me->_usedHypList.clear();
@ -565,7 +565,7 @@ bool SMESH_Algo::IsStraight( const TopoDS_Edge & E,
return false; // E seems closed
double edgeTol = 10 * curve.Tolerance();
double lenTol2 = lineLen2 * 1e-4;
double lenTol2 = lineLen2 * 1e-4;
double tol2 = Min( edgeTol * edgeTol, lenTol2 );
const double nbSamples = 7;
@ -816,7 +816,7 @@ SMESH_Algo::EMeshError SMESH_Algo::GetMeshError(SMESH_subMesh* subMesh)
/*!
* \brief Sets event listener to submeshes if necessary
* \param subMesh - submesh where algo is set
*
*
* After being set, event listener is notified on each event of a submesh.
* By default non listener is set
*/
@ -1020,7 +1020,7 @@ void SMESH_Algo::addBadInputElements(const SMESHDS_SubMesh* sm,
//=============================================================================
/*!
*
*
*/
//=============================================================================
@ -1034,7 +1034,7 @@ void SMESH_Algo::addBadInputElements(const SMESHDS_SubMesh* sm,
//=============================================================================
/*!
*
*
*/
//=============================================================================

19
src/SMESH/SMESH_Algo.hxx
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@ -198,15 +198,15 @@ class SMESH_EXPORT SMESH_Algo : public SMESH_Hypothesis
/*!
* \brief Return a list of compatible hypotheses used to mesh a shape
* \param aMesh - the mesh
* \param aMesh - the mesh
* \param aShape - the shape
* \param ignoreAuxiliary - do not include auxiliary hypotheses in the list
* \retval const std::list <const SMESHDS_Hypothesis*> - hypotheses list
*
*
* List the hypothesis used by the algorithm associated to the shape.
* Hypothesis associated to father shape -are- taken into account (see
* GetAppliedHypothesis). Relevant hypothesis have a name (type) listed in
* the algorithm. This method could be surcharged by specific algorithms, in
* the algorithm. This method could be surcharged by specific algorithms, in
* case of several hypothesis simultaneously applicable.
*/
virtual const std::list <const SMESHDS_Hypothesis *> &
@ -277,10 +277,13 @@ public:
// 6 - if algo !NeedDiscreteBoundary() but requires presence of
// hypotheses of dimension <dim> to generate all-dimensional mesh.
// This info is used not to issue warnings on hiding of lower global algos.
//
virtual void setSubMeshesToCompute(SMESH_subMesh * aSubMesh) {SubMeshesToCompute().assign( 1, aSubMesh );}
public:
// ==================================================================
// Methods to track non hierarchical dependencies between submeshes
// Methods to track non hierarchical dependencies between submeshes
// ==================================================================
/*!
@ -292,7 +295,7 @@ public:
* By default none listener is set
*/
virtual void SetEventListener(SMESH_subMesh* subMesh);
/*!
* \brief Allow algo to do something after persistent restoration
* \param subMesh - restored submesh
@ -300,7 +303,7 @@ public:
* This method is called only if a submesh has HYP_OK algo_state.
*/
virtual void SubmeshRestored(SMESH_subMesh* subMesh);
public:
// ==================================================================
// Common algo utilities
@ -398,7 +401,7 @@ public:
enum EMeshError { MEr_OK = 0, MEr_HOLES, MEr_BAD_ORI, MEr_EMPTY };
/*!
* \brief Finds topological errors of a sub-mesh
* \brief Finds topological errors of a sub-mesh
*/
static EMeshError GetMeshError(SMESH_subMesh* subMesh);
@ -434,7 +437,7 @@ protected:
std::vector<std::string> _compatibleHypothesis;
std::list<const SMESHDS_Hypothesis *> _usedHypList;
std::list<TopoDS_Shape> _assigedShapeList; // _usedHypList assigned to
// Algo features influencing which Compute() and how is called:
// in what turn and with what input shape.

105
src/SMESH/SMESH_DriverMesh.cxx Normal file
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@ -0,0 +1,105 @@
// Copyright (C) 2007-2022 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
//
// 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
//
// File : SMESH_DriverMesh.cxx
// Author : Yoann AUDOUIN, EDF
// Module : SMESH
//
#include "utilities.h"
#include "SMESH_DriverMesh.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_Gen.hxx"
#include <MEDFileMesh.hxx>
#include <MEDCouplingUMesh.hxx>
using namespace MEDCoupling;
/**
* @brief Compares the mesh from two mesh files (MED)
*
* @param mesh_file1 First file
* @param mesh_file2 Second file
* @param mesh_name Name of the mesh in the files
*
* @return true if the mesh within the files are identical
*/
bool SMESH_DriverMesh::diffMEDFile(const std::string mesh_file1, const std::string mesh_file2, const std::string mesh_name){
MEDFileUMesh* medmesh1 = MEDFileUMesh::New(mesh_file1, mesh_name);
MEDFileUMesh* medmesh2 = MEDFileUMesh::New(mesh_file2, mesh_name);
MEDCouplingUMesh *m0_1=medmesh1->getMeshAtLevel(0,false);
MEDCouplingUMesh *m0_2=medmesh2->getMeshAtLevel(0,false);
return m0_1->isEqual(m0_2, 1e-12);
}
std::string getMeshName(std::string mesh_file){
// TODO: Memory leak but desctructor private check with AG
MEDFileUMesh * myMedMesh = MEDFileUMesh::New(mesh_file);
return myMedMesh->getLevel0Mesh()->getName();
}
/**
* @brief Import a mesh from a mesh file (MED) into a SMESH_Mesh object
*
* @param mesh_file the file
* @param aMesh the object
* @param mesh_name the name of the mesh in the file
*
* @return error code
*/
int SMESH_DriverMesh::importMesh(const std::string mesh_file, SMESH_Mesh& aMesh){
// TODO: change that as it depends on the language
std::string mesh_name = getMeshName(mesh_file);
MESSAGE("Importing mesh from " << mesh_file << " mesh " << mesh_name);
int ret = aMesh.MEDToMesh(mesh_file.c_str(), mesh_name.c_str());
return ret;
}
/**
* @brief Export the content of a SMESH_Mesh into a mesh file (MED)
*
* @param mesh_file the file
* @param aMesh the object
* @param mesh_name name of the mesh in the file
*
* @return error code
*/
int SMESH_DriverMesh::exportMesh(const std::string mesh_file, SMESH_Mesh& aMesh, const std::string mesh_name){
MESSAGE("Exporting mesh to " << mesh_file);
aMesh.ExportMED(mesh_file.c_str(), // theFile
mesh_name.c_str(), // theMeshName
false, // theAutoGroups
-1, // theVersion
nullptr, // theMeshPart
true, // theAutoDimension
true, // theAddODOnVertices
1e-8, // theZTolerance
true // theSaveNumbers
);
return true;
}

47
src/SMESH/SMESH_DriverMesh.hxx Normal file
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@ -0,0 +1,47 @@
// Copyright (C) 2007-2021 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
//
// 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
//
// File : SMESH_DriverMesh.hxx
// Author : Yoann AUDOUIN, EDF
// Module : SMESH
//
#ifndef _SMESH_DRIVERMESH_HXX_
#define _SMESH_DRIVERMESH_HXX_
#include <string>
#include <cassert>
#include "SMESH_SMESH.hxx"
class SMESH_Mesh;
class SMESH_EXPORT SMESH_DriverMesh{
public:
static bool diffMEDFile(const std::string mesh_file1,
const std::string mesh_file2,
const std::string mesh_name);
static int importMesh(const std::string mesh_file,
SMESH_Mesh& aMesh);
static int exportMesh(const std::string mesh_file,
SMESH_Mesh& aMesh,
const std::string meshName);
};
#endif

188
src/SMESH/SMESH_DriverShape.cxx Normal file
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@ -0,0 +1,188 @@
// Copyright (C) 2007-2022 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
//
// 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
//
// File : SMESH_DriverShape.cxx
// Author : Yoann AUDOUIN, EDF
// Module : SMESH
//
#include <utilities.h>
#include <Utils_SALOME_Exception.hxx>
#include "SMESH_DriverShape.hxx"
// step include
#include <STEPControl_Reader.hxx>
#include <STEPControl_Writer.hxx>
#include <Interface_Static.hxx>
// Brep include
#include <BRepTools.hxx>
#include <BRep_Builder.hxx>
//Occ include
#include <TopoDS.hxx>
#ifndef WIN32
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
namespace fs = boost::filesystem;
#endif
/**
* @brief Import the content of a shape file (STEP) into a TopDS_Shape object
*
* @param shape_file the shape file
* @param aShape the object
*
* @return error code
*/
int importSTEPShape(const std::string shape_file, TopoDS_Shape& aShape){
MESSAGE("Importing STEP shape from " << shape_file);
STEPControl_Reader reader;
// Forcing Unit in meter
Interface_Static::SetCVal("xstep.cascade.unit","M");
Interface_Static::SetIVal("read.step.ideas", 1);
Interface_Static::SetIVal("read.step.nonmanifold", 1);
IFSelect_ReturnStatus aStat = reader.ReadFile(shape_file.c_str());
if(aStat != IFSelect_RetDone){
throw SALOME_Exception("Reading error for " + shape_file);
}
int NbTrans = reader.TransferRoots();
// There should be only one shape within the file
assert(NbTrans==1);
aShape = reader.OneShape();
return false;
}
/**
* @brief Export the content of a TopoDS_Shape into a shape file (STEP)
*
* @param shape_file the shape file
* @param aShape the object
*
* @return error code
*/
int exportSTEPShape(const std::string shape_file, const TopoDS_Shape& aShape){
MESSAGE("Exporting STEP shape to " << shape_file);
STEPControl_Writer aWriter;
// Forcing Unit in meter
Interface_Static::SetCVal("xstep.cascade.unit","M");
Interface_Static::SetCVal("write.step.unit","M");
Interface_Static::SetIVal("write.step.nonmanifold", 1);
IFSelect_ReturnStatus aStat = aWriter.Transfer(aShape,STEPControl_AsIs);
if(aStat != IFSelect_RetDone){
throw SALOME_Exception("Reading error for " + shape_file);
}
aStat = aWriter.Write(shape_file.c_str());
if(aStat != IFSelect_RetDone){
throw SALOME_Exception("Writing error for " + shape_file);
}
return aStat;
}
/**
* @brief Import the content of a shape file (BREP) into a TopDS_Shape object
*
* @param shape_file the shape file
* @param aShape the object
*
* @return error code
*/
int importBREPShape(const std::string shape_file, TopoDS_Shape& aShape){
MESSAGE("Importing BREP shape from " << shape_file);
BRep_Builder builder;
BRepTools::Read(aShape, shape_file.c_str(), builder);
return false;
}
/**
* @brief Export the content of a TopoDS_Shape into a shape file (BREP)
*
* @param shape_file the shape file
* @param aShape the object
*
* @return error code
*/
int exportBREPShape(const std::string shape_file, const TopoDS_Shape& aShape){
MESSAGE("Exporting BREP shape to " << shape_file);
BRepTools::Write(aShape, shape_file.c_str());
return false;
}
/**
* @brief Import the content of a shape file into a TopDS_Shape object
*
* @param shape_file the shape file
* @param aShape the object
*
* @return error code
*/
int SMESH_DriverShape::importShape(const std::string shape_file, TopoDS_Shape& aShape){
#ifndef WIN32
std::string type = fs::path(shape_file).extension().string();
boost::algorithm::to_lower(type);
if (type == ".brep"){
return importBREPShape(shape_file, aShape);
} else if (type == ".step"){
return importSTEPShape(shape_file, aShape);
} else {
throw SALOME_Exception("Unknow format for importShape: " + type);
}
#else
return 0;
#endif
}
/**
* @brief Import the content of a shape file into a TopDS_Shape object
*
* @param shape_file the shape file
* @param aShape the object
*
* @return error code
*/
int SMESH_DriverShape::exportShape(const std::string shape_file, const TopoDS_Shape& aShape){
#ifndef WIN32
std::string type = fs::path(shape_file).extension().string();
boost::algorithm::to_lower(type);
if (type == ".brep"){
return exportBREPShape(shape_file, aShape);
} else if (type == ".step"){
return exportSTEPShape(shape_file, aShape);
} else {
throw SALOME_Exception("Unknow format for exportShape: " + type);
}
#else
return 0;
#endif
}

40
src/SMESH/SMESH_DriverShape.hxx Normal file
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@ -0,0 +1,40 @@
// Copyright (C) 2007-2021 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
//
// 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
//
// File : SMESH_DriverShape.hxx
// Author : Yoann AUDOUIN, EDF
// Module : SMESH
//
#ifndef _SMESH_DRIVERSHAPE_HXX_
#define _SMESH_DRIVERSHAPE_HXX_
#include <string>
#include <cassert>
#include "SMESH_SMESH.hxx"
class TopoDS_Shape;
class SMESH_EXPORT SMESH_DriverShape{
public:
static int importShape(const std::string shape_file, TopoDS_Shape& aShape);
static int exportShape(const std::string shape_file, const TopoDS_Shape& aShape);
};
#endif

281
src/SMESH/SMESH_Gen.cxx
View File

@ -25,11 +25,14 @@
// Author : Paul RASCLE, EDF
// Module : SMESH
//
//#define CHRONODEF
//
#ifndef WIN32
#include <boost/asio.hpp>
#endif
#include "SMESH_Gen.hxx"
#include "SMESH_DriverMesh.hxx"
#include "SMDS_Mesh.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
@ -47,6 +50,7 @@
#include <TopoDS_Iterator.hxx>
#include "memoire.h"
#include <functional>
#ifdef WIN32
#include <windows.h>
@ -55,6 +59,10 @@
#include <Basics_Utils.hxx>
using namespace std;
#ifndef WIN32
#include <boost/filesystem.hpp>
namespace fs = boost::filesystem;
#endif
// Environment variable separator
#ifdef WIN32
@ -155,6 +163,213 @@ SMESH_Mesh* SMESH_Gen::CreateMesh(bool theIsEmbeddedMode)
return aMesh;
}
//=============================================================================
/*!
* Algo to run the computation of all the submeshes of a mesh in sequentila
*/
//=============================================================================
bool SMESH_Gen::sequentialComputeSubMeshes(
SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
const ::MeshDimension aDim,
TSetOfInt* aShapesId /*=0*/,
TopTools_IndexedMapOfShape* allowedSubShapes,
SMESH_subMesh::compute_event &computeEvent,
const bool includeSelf,
const bool complexShapeFirst,
const bool aShapeOnly)
{
MESSAGE("Compute submeshes sequentialy");
bool ret = true;
SMESH_subMeshIteratorPtr smIt;
SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
while ( smIt->more() )
{
SMESH_subMesh* smToCompute = smIt->next();
// do not mesh vertices of a pseudo shape
const TopoDS_Shape& shape = smToCompute->GetSubShape();
const TopAbs_ShapeEnum shapeType = shape.ShapeType();
if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
continue;
// check for preview dimension limitations
if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
{
// clear compute state not to show previous compute errors
// if preview invoked less dimension less than previous
smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
continue;
}
if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
{
if (_compute_canceled)
return false;
smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
setCurrentSubMesh( smToCompute );
smToCompute->ComputeStateEngine( computeEvent );
setCurrentSubMesh( nullptr );
smToCompute->SetAllowedSubShapes( nullptr );
}
// we check all the sub-meshes here and detect if any of them failed to compute
if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
ret = false;
else if ( aShapesId )
aShapesId->insert( smToCompute->GetId() );
}
//aMesh.GetMeshDS()->Modified();
return ret;
};
//=============================================================================
/*
* compute of a submesh
* This function is passed to the thread pool
*/
//=============================================================================
const std::function<void(SMESH_subMesh*,
SMESH_subMesh::compute_event,
SMESH_subMesh*,
bool,
TopTools_IndexedMapOfShape *,
TSetOfInt*)>
compute_function([] (SMESH_subMesh* sm,
SMESH_subMesh::compute_event event,
SMESH_subMesh *shapeSM,
bool aShapeOnly,
TopTools_IndexedMapOfShape *allowedSubShapes,
TSetOfInt* aShapesId) -> void
{
if (sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
{
sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
//setCurrentSubMesh( sm );
sm->ComputeStateEngine(event);
//setCurrentSubMesh( nullptr );
sm->SetAllowedSubShapes( nullptr );
}
if ( aShapesId )
aShapesId->insert( sm->GetId() );
});
//=============================================================================
/*!
* Algo to run the computation of all the submeshes of a mesh in parallel
*/
//=============================================================================
bool SMESH_Gen::parallelComputeSubMeshes(
SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
const ::MeshDimension aDim,
TSetOfInt* aShapesId /*=0*/,
TopTools_IndexedMapOfShape* allowedSubShapes,
SMESH_subMesh::compute_event &computeEvent,
const bool includeSelf,
const bool complexShapeFirst,
const bool aShapeOnly)
{
#ifdef WIN32
throw SALOME_Exception("ParallelMesh is not working on Windows");
#else
bool ret = true;
SMESH_subMeshIteratorPtr smIt;
SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
// Pool of thread for computation
// TODO: move when parallelMesh created
aMesh.InitPoolThreads();
aMesh.CreateTmpFolder();
TopAbs_ShapeEnum previousShapeType = TopAbs_VERTEX;
int nbThreads = aMesh.GetNbThreads();
MESSAGE("Compute submeshes with threads: " << nbThreads);
smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
while ( smIt->more() )
{
SMESH_subMesh* smToCompute = smIt->next();
// do not mesh vertices of a pseudo shape
const TopoDS_Shape& shape = smToCompute->GetSubShape();
const TopAbs_ShapeEnum shapeType = shape.ShapeType();
// Not doing in parallel 1D and 2D meshes
if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
continue;
if(shapeType==TopAbs_FACE||shapeType==TopAbs_EDGE)
aMesh.SetNbThreads(0);
else
aMesh.SetNbThreads(nbThreads);
if (shapeType != previousShapeType) {
// Waiting for all threads for the previous type to end
aMesh.wait();
std::string file_name;
switch(previousShapeType){
case TopAbs_FACE:
file_name = "Mesh2D.med";
break;
case TopAbs_EDGE:
file_name = "Mesh1D.med";
break;
case TopAbs_VERTEX:
file_name = "Mesh0D.med";
break;
case TopAbs_SOLID:
default:
file_name = "";
break;
}
if(file_name != "")
{
fs::path mesh_file = fs::path(aMesh.tmp_folder) / fs::path(file_name);
SMESH_DriverMesh::exportMesh(mesh_file.string(), aMesh, "MESH");
}
//Resetting threaded pool info
previousShapeType = shapeType;
}
// check for preview dimension limitations
if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
{
// clear compute state not to show previous compute errors
// if preview invoked less dimension less than previous
smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
continue;
}
boost::asio::post(*(aMesh._pool), std::bind(compute_function, smToCompute, computeEvent,
shapeSM, aShapeOnly, allowedSubShapes,
aShapesId));
}
// Waiting for the thread for Solids to finish
aMesh.wait();
aMesh.GetMeshDS()->Modified();
aMesh.DeleteTmpFolder();
return ret;
#endif
};
//=============================================================================
/*
* Compute a mesh
@ -201,57 +416,33 @@ bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
// ===============================================
// Mesh all the sub-shapes starting from vertices
// ===============================================
if (aMesh.IsParallel())
ret = parallelComputeSubMeshes(
aMesh, aShape, aDim,
aShapesId, allowedSubShapes,
computeEvent,
includeSelf,
complexShapeFirst,
aShapeOnly);
else
ret = sequentialComputeSubMeshes(
aMesh, aShape, aDim,
aShapesId, allowedSubShapes,
computeEvent,
includeSelf,
complexShapeFirst,
aShapeOnly);
smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
while ( smIt->more() )
{
SMESH_subMesh* smToCompute = smIt->next();
// do not mesh vertices of a pseudo shape
const TopoDS_Shape& shape = smToCompute->GetSubShape();
const TopAbs_ShapeEnum shapeType = shape.ShapeType();
if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
continue;
// check for preview dimension limitations
if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
{
// clear compute state not to show previous compute errors
// if preview invoked less dimension less than previous
smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
continue;
}
if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
{
if (_compute_canceled)
return false;
smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
setCurrentSubMesh( smToCompute );
smToCompute->ComputeStateEngine( computeEvent );
setCurrentSubMesh( nullptr );
smToCompute->SetAllowedSubShapes( nullptr );
}
// we check all the sub-meshes here and detect if any of them failed to compute
if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
ret = false;
else if ( aShapesId )
aShapesId->insert( smToCompute->GetId() );
}
//aMesh.GetMeshDS()->Modified();
return ret;
}
else
{
// ================================================================
// Apply algos that do NOT require discreteized boundaries
// Apply algos that do NOT require discretized boundaries
// ("all-dimensional") and do NOT support sub-meshes, starting from
// the most complex shapes and collect sub-meshes with algos that
// DO support sub-meshes
// ================================================================
list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
// map to sort sm with same dim algos according to dim of
@ -448,6 +639,7 @@ bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
setCurrentSubMesh( sm );
sm->ComputeStateEngine( computeEvent );
setCurrentSubMesh( NULL );
sm->SetAllowedSubShapes( nullptr );
if ( aShapesId )
@ -460,6 +652,7 @@ bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
// mesh the rest sub-shapes starting from vertices
// -----------------------------------------------
ret = Compute( aMesh, aShape, aFlags | UPWARD, aDim, aShapesId, allowedSubShapes );
}
MEMOSTAT;
@ -603,7 +796,7 @@ bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
const int aShapeDim = GetShapeDim( aSubShape );
if ( aShapeDim < 1 ) break;
SMESH_Algo* algo = GetAlgo( smToCompute );
if ( algo && !algo->NeedDiscreteBoundary() ) {
if ( algo->SupportSubmeshes() ) {

30
src/SMESH/SMESH_Gen.hxx
View File

@ -34,6 +34,7 @@
#include "SMESH_Algo.hxx"
#include "SMESH_ComputeError.hxx"
#include "SMESH_subMesh.hxx"
#include <map>
#include <list>
@ -41,6 +42,7 @@
#include <vector>
#include <string>
#include <TopoDS_Shape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
@ -48,7 +50,7 @@ class SMESHDS_Document;
class SMESH_Algo;
class SMESH_Mesh;
class TopoDS_Shape;
class SMESH_subMesh;
typedef SMESH_Hypothesis::Hypothesis_Status TAlgoStateErrorName;
@ -77,7 +79,7 @@ public:
SHAPE_ONLY_UPWARD = 3 // SHAPE_ONLY | UPWARD
};
/*!
* \brief Computes aMesh on aShape
* \brief Computes aMesh on aShape
* \param aMesh - the mesh.
* \param aShape - the shape.
* \param aFlags - ComputeFlags. By default compute the whole mesh and compact at the end.
@ -101,7 +103,7 @@ public:
const SMESH_subMesh* GetCurrentSubMesh() const;
/*!
* \brief evaluates size of prospective mesh on a shape
* \brief evaluates size of prospective mesh on a shape
* \param aMesh - the mesh
* \param aShape - the shape
* \param aResMap - map for prospective numbers of elements
@ -167,6 +169,28 @@ public:
private:
bool parallelComputeSubMeshes(
SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
const ::MeshDimension aDim,
TSetOfInt* aShapesId,
TopTools_IndexedMapOfShape* allowedSubShapes,
SMESH_subMesh::compute_event &computeEvent,
const bool includeSelf,
const bool complexShapeFirst,
const bool aShapeOnly);
bool sequentialComputeSubMeshes(
SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
const ::MeshDimension aDim,
TSetOfInt* aShapesId /*=0*/,
TopTools_IndexedMapOfShape* allowedSubShapes,
SMESH_subMesh::compute_event &computeEvent,
const bool includeSelf,
const bool complexShapeFirst,
const bool aShapeOnly);
int _localId; // unique Id of created objects, within SMESH_Gen entity
StudyContextStruct* _studyContext;

40
src/SMESH/SMESH_Mesh.cxx
View File

@ -80,6 +80,11 @@
#include <pthread.h>
#endif
#ifndef WIN32
#include <boost/filesystem.hpp>
namespace fs=boost::filesystem;
#endif
// maximum stored group name length in MED file
#define MAX_MED_GROUP_NAME_LENGTH 80
@ -162,13 +167,11 @@ namespace
#ifndef WIN32
void deleteMeshDS(SMESHDS_Mesh* meshDS)
{
//cout << "deleteMeshDS( " << meshDS << endl;
delete meshDS;
}
#else
static void* deleteMeshDS(void* meshDS)
{
//cout << "deleteMeshDS( " << meshDS << endl;
SMESHDS_Mesh* m = (SMESHDS_Mesh*)meshDS;
if(m) {
delete m;
@ -229,6 +232,8 @@ SMESH_Mesh::~SMESH_Mesh()
int result=pthread_create(&thread, NULL, deleteMeshDS, (void*)_meshDS);
#endif
}
if(_pool)
DeletePoolThreads();
}
//================================================================================
@ -1756,7 +1761,6 @@ double SMESH_Mesh::GetComputeProgress() const
rate = algo->GetProgressByTic();
computedCost += algoDoneCost + rate * algoNotDoneCost;
}
// cout << "rate: "<<rate << " algoNotDoneCost: " << algoNotDoneCost << endl;
}
// get cost of already treated sub-meshes
@ -1777,9 +1781,6 @@ double SMESH_Mesh::GetComputeProgress() const
}
}
}
// cout << "Total: " << totalCost
// << " computed: " << computedCost << " progress: " << computedCost / totalCost
// << " nbElems: " << GetMeshDS()->GetMeshInfo().NbElements() << endl;
return computedCost / totalCost;
}
@ -2563,3 +2564,30 @@ void SMESH_Mesh::getAncestorsSubMeshes (const TopoDS_Shape& theSubSha
// sort submeshes according to stored mesh order
SortByMeshOrder( theSubMeshes );
}
//=============================================================================
/*!
* \brief Build folder for parallel computation
*/
//=============================================================================
void SMESH_Mesh::CreateTmpFolder()
{
#ifndef WIN32
// Temporary folder that will be used by parallel computation
tmp_folder = fs::temp_directory_path()/fs::unique_path(fs::path("SMESH_%%%%-%%%%"));
fs::create_directories(tmp_folder);
#endif
}
//
//=============================================================================
/*!
* \brief Delete temporary folder used for parallel computation
*/
//=============================================================================
void SMESH_Mesh::DeleteTmpFolder()
{
#ifndef WIN32
fs::remove_all(tmp_folder);
#endif
}

107
src/SMESH/SMESH_Mesh.hxx
View File

@ -48,6 +48,12 @@
#include <vector>
#include <ostream>
#ifndef WIN32
#include <boost/filesystem.hpp>
#include <boost/asio/thread_pool.hpp>
#endif
#include <boost/thread.hpp>
#ifdef WIN32
#pragma warning(disable:4251) // Warning DLL Interface ...
#pragma warning(disable:4290) // Warning Exception ...
@ -127,20 +133,20 @@ class SMESH_EXPORT SMESH_Mesh
int UNVToMesh(const char* theFileName);
int MEDToMesh(const char* theFileName, const char* theMeshName);
std::string STLToMesh(const char* theFileName);
int CGNSToMesh(const char* theFileName, const int theMeshIndex, std::string& theMeshName);
SMESH_ComputeErrorPtr GMFToMesh(const char* theFileName,
bool theMakeRequiredGroups = true );
SMESH_Hypothesis::Hypothesis_Status
AddHypothesis(const TopoDS_Shape & aSubShape, int anHypId, std::string* error=0);
SMESH_Hypothesis::Hypothesis_Status
RemoveHypothesis(const TopoDS_Shape & aSubShape, int anHypId);
const std::list <const SMESHDS_Hypothesis * >&
GetHypothesisList(const TopoDS_Shape & aSubShape) const;
@ -148,7 +154,7 @@ class SMESH_EXPORT SMESH_Mesh
const SMESH_HypoFilter& aFilter,
const bool andAncestors,
TopoDS_Shape* assignedTo=0) const;
int GetHypotheses(const TopoDS_Shape & aSubShape,
const SMESH_HypoFilter& aFilter,
std::list< const SMESHDS_Hypothesis * >& aHypList,
@ -159,7 +165,7 @@ class SMESH_EXPORT SMESH_Mesh
const SMESH_HypoFilter& aFilter,
const bool andAncestors,
TopoDS_Shape* assignedTo=0) const;
int GetHypotheses(const SMESH_subMesh * aSubMesh,
const SMESH_HypoFilter& aFilter,
std::list< const SMESHDS_Hypothesis * >& aHypList,
@ -169,25 +175,25 @@ class SMESH_EXPORT SMESH_Mesh
SMESH_Hypothesis * GetHypothesis(const int aHypID) const;
const std::list<SMESHDS_Command*> & GetLog();
void ClearLog();
int GetId() const { return _id; }
bool MeshExists( int meshId ) const;
SMESH_Mesh* FindMesh( int meshId ) const;
SMESHDS_Mesh * GetMeshDS() { return _meshDS; }
const SMESHDS_Mesh * GetMeshDS() const { return _meshDS; }
SMESH_Gen *GetGen() { return _gen; }
SMESH_subMesh *GetSubMesh(const TopoDS_Shape & aSubShape);
SMESH_subMesh *GetSubMeshContaining(const TopoDS_Shape & aSubShape) const;
SMESH_subMesh *GetSubMeshContaining(const int aShapeID) const;
/*!
* \brief Return submeshes of groups containing the given subshape
@ -209,7 +215,7 @@ class SMESH_EXPORT SMESH_Mesh
* \brief check if a hypothesis allowing notconform mesh is present
*/
bool IsNotConformAllowed() const;
bool IsMainShape(const TopoDS_Shape& theShape) const;
TopoDS_Shape GetShapeByEntry(const std::string& entry) const;
@ -303,20 +309,20 @@ class SMESH_EXPORT SMESH_Mesh
bool withRequiredGroups = true );
double GetComputeProgress() const;
smIdType NbNodes() const;
smIdType Nb0DElements() const;
smIdType NbBalls() const;
smIdType NbEdges(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbFaces(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbTriangles(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbQuadrangles(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbBiQuadQuadrangles() const;
smIdType NbBiQuadTriangles() const;
smIdType NbPolygons(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbVolumes(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbTetras(SMDSAbs_ElementOrder order = ORDER_ANY) const;
smIdType NbHexas(SMDSAbs_ElementOrder order = ORDER_ANY) const;
@ -327,9 +333,9 @@ class SMESH_EXPORT SMESH_Mesh
smIdType NbBiQuadPrisms() const;
smIdType NbHexagonalPrisms() const;
smIdType NbPolyhedrons() const;
smIdType NbSubMesh() const;
size_t NbGroup() const { return _mapGroup.size(); }
int NbMeshes() const; // nb meshes in the Study
@ -344,9 +350,9 @@ class SMESH_EXPORT SMESH_Mesh
typedef boost::shared_ptr< SMDS_Iterator<SMESH_Group*> > GroupIteratorPtr;
GroupIteratorPtr GetGroups() const;
std::list<int> GetGroupIds() const;
SMESH_Group* GetGroup (const int theGroupID) const;
bool RemoveGroup (const int theGroupID);
@ -381,7 +387,49 @@ class SMESH_EXPORT SMESH_Mesh
const SMESH_subMesh* smAfter ) const;
std::ostream& Dump(std::ostream & save);
// Parallel computation functions
#ifdef WIN32
void Lock() {};
void Unlock() {};
int GetNbThreads(){return _NbThreads;};
void SetNbThreads(long nbThreads){std::cout << "Warning Parallel Meshing is disabled on Windows it will behave as a slower normal compute" << std::endl;_NbThreads=nbThreads;};
void InitPoolThreads(){};
void DeletePoolThreads(){};
void wait(){}
bool IsParallel(){return _NbThreads > 0;}
#else
void Lock() {_my_lock.lock();};
void Unlock() {_my_lock.unlock();};
int GetNbThreads(){return _NbThreads;};
void SetNbThreads(long nbThreads){_NbThreads=nbThreads;};
void InitPoolThreads(){_pool = new boost::asio::thread_pool(_NbThreads);};
void DeletePoolThreads(){delete _pool;};
void wait(){_pool->join(); DeletePoolThreads(); InitPoolThreads(); }
bool IsParallel(){return _NbThreads > 0;}
#endif
void CreateTmpFolder();
void DeleteTmpFolder();
// Temporary folder used during parallel Computation
#ifndef WIN32
boost::filesystem::path tmp_folder;
boost::asio::thread_pool * _pool = nullptr; //thread pool for computation
#else
std::string tmp_folder;
bool _pool = false;
#endif
private:
void exportMEDCommmon(DriverMED_W_SMESHDS_Mesh& myWriter,
@ -397,7 +445,7 @@ private:
void fillAncestorsMap(const TopoDS_Shape& theShape);
void getAncestorsSubMeshes(const TopoDS_Shape& theSubShape,
std::vector< SMESH_subMesh* >& theSubMeshes) const;
protected:
int _id; // id given by creator (unique within the creator instance)
int _groupId; // id generator for group objects
@ -410,12 +458,12 @@ protected:
class SubMeshHolder;
SubMeshHolder* _subMeshHolder;
bool _isAutoColor;
bool _isModified; //!< modified since last total re-compute, issue 0020693
double _shapeDiagonal; //!< diagonal size of bounding box of shape to mesh
TopTools_IndexedDataMapOfShapeListOfShape _mapAncestors;
mutable std::vector<SMESH_subMesh*> _ancestorSubMeshes; // to speed up GetHypothes[ei]s()
@ -428,9 +476,14 @@ protected:
// 2) to forget not loaded mesh data at hyp modification
TCallUp* _callUp;
// Mutex for multhitreading write in SMESH_Mesh
#ifndef WIN32
boost::mutex _my_lock;
#endif
int _NbThreads=0;
protected:
SMESH_Mesh();
SMESH_Mesh(const SMESH_Mesh&) {};
};
#endif

46
src/SMESH/SMESH_MeshLocker.cxx Normal file
View File

@ -0,0 +1,46 @@
// Copyright (C) 2007-2022 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
//
// 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
//
// File : SMESH_MeshLocker.cxx
// Author : Yoann AUDOUIN, EDF
// Module : SMESH
//
#include "SMESH_MeshLocker.hxx"
#include "SMESH_Mesh.hxx"
/*
* When instanced will run the command Lock from a SMESH_Mesh
*/
SMESH_MeshLocker::SMESH_MeshLocker(SMESH_Mesh * aMesh) : _myMesh(aMesh)
{
_myMesh->Lock();
}
/*
* When freed will run the command Unlock from the SMESH_Mesh associated
*/
SMESH_MeshLocker::~SMESH_MeshLocker()
{
_myMesh->Unlock();
}

45
src/SMESH/SMESH_MeshLocker.hxx Normal file
View File

@ -0,0 +1,45 @@
// Copyright (C) 2007-2022 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
//
// 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
//
// File : SMESH_Mesh.hxx
// Author : Paul RASCLE, EDF
// Module : SMESH
//
#ifndef _SMESH_MESHLOCKER_HXX_
#define _SMESH_MESHLOCKER_HXX_
#include "SMESH_SMESH.hxx"
class SMESH_Mesh;
class SMESH_EXPORT SMESH_MeshLocker{
public:
SMESH_MeshLocker(SMESH_Mesh * aMesh);
~SMESH_MeshLocker();
protected:
SMESH_MeshLocker();
private:
SMESH_Mesh * _myMesh=nullptr;
};
#endif

93
src/SMESH/SMESH_MesherHelper.cxx
View File

@ -28,7 +28,7 @@
#include "SMDS_EdgePosition.hxx"
#include "SMDS_FaceOfNodes.hxx"
#include "SMDS_FacePosition.hxx"
#include "SMDS_FacePosition.hxx"
#include "SMDS_IteratorOnIterators.hxx"
#include "SMDS_VolumeTool.hxx"
#include "SMESHDS_Mesh.hxx"
@ -100,7 +100,7 @@ SMESH_MesherHelper::SMESH_MesherHelper(SMESH_Mesh& theMesh)
//=======================================================================
//function : ~SMESH_MesherHelper
//purpose :
//purpose :
//=======================================================================
SMESH_MesherHelper::~SMESH_MesherHelper()
@ -425,7 +425,7 @@ bool SMESH_MesherHelper::GetNodeUVneedInFaceNode(const TopoDS_Face& F) const
//=======================================================================
//function : IsMedium
//purpose :
//purpose :
//=======================================================================
bool SMESH_MesherHelper::IsMedium(const SMDS_MeshNode* node,
@ -583,7 +583,7 @@ bool SMESH_MesherHelper::toCheckPosOnShape(int shapeID ) const
void SMESH_MesherHelper::setPosOnShapeValidity(int shapeID, bool ok ) const
{
std::map< int,bool >::iterator sh_ok =
std::map< int,bool >::iterator sh_ok =
((SMESH_MesherHelper*)this)->myNodePosShapesValidity.insert( make_pair( shapeID, ok)).first;
if ( !ok )
sh_ok->second = ok;
@ -591,7 +591,7 @@ void SMESH_MesherHelper::setPosOnShapeValidity(int shapeID, bool ok ) const
//=======================================================================
//function : ToFixNodeParameters
//purpose : Enables fixing node parameters on EDGEs and FACEs in
//purpose : Enables fixing node parameters on EDGEs and FACEs in
// GetNodeU(...,check=true), GetNodeUV(...,check=true), CheckNodeUV() and
// CheckNodeU() in case if a node lies on a shape set via SetSubShape().
// Default is False
@ -943,7 +943,7 @@ namespace
{
gp_XY AverageUV(const gp_XY& uv1, const gp_XY& uv2) { return ( uv1 + uv2 ) / 2.; }
gp_XY_FunPtr(Added); // define gp_XY_Added pointer to function calling gp_XY::Added(gp_XY)
gp_XY_FunPtr(Subtracted);
gp_XY_FunPtr(Subtracted);
}
//=======================================================================
@ -967,9 +967,9 @@ gp_XY SMESH_MesherHelper::ApplyIn2D(Handle(Geom_Surface) surface,
return fun(uv1,uv2);
// move uv2 not far than half-period from uv1
double u2 =
double u2 =
uv2.X()+(isUPeriodic ? ShapeAnalysis::AdjustByPeriod(uv2.X(),uv1.X(),surface->UPeriod()) :0);
double v2 =
double v2 =
uv2.Y()+(isVPeriodic ? ShapeAnalysis::AdjustByPeriod(uv2.Y(),uv1.Y(),surface->VPeriod()) :0);
// execute operation
@ -1038,8 +1038,8 @@ gp_XY SMESH_MesherHelper::GetMiddleUV(const Handle(Geom_Surface)& surface,
//=======================================================================
gp_XY SMESH_MesherHelper::GetCenterUV(const gp_XY& uv1,
const gp_XY& uv2,
const gp_XY& uv3,
const gp_XY& uv2,
const gp_XY& uv3,
const gp_XY& uv12,
const gp_XY& uv23,
const gp_XY& uv31,
@ -1370,7 +1370,7 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetCentralNode(const SMDS_MeshNode* n1,
TBiQuad keyOfMap(n1,n2,n3,n4);
std::map<TBiQuad, const SMDS_MeshNode* >::iterator itMapCentralNode;
itMapCentralNode = myMapWithCentralNode.find( keyOfMap );
if ( itMapCentralNode != myMapWithCentralNode.end() )
if ( itMapCentralNode != myMapWithCentralNode.end() )
{
return (*itMapCentralNode).second;
}
@ -1385,9 +1385,9 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetCentralNode(const SMDS_MeshNode* n1,
std::map< int, int > faceId2nbNodes;
std::map< int, int > ::iterator itMapWithIdFace;
SMESHDS_Mesh* meshDS = GetMeshDS();
// check if a face lies on a FACE, i.e. its all corner nodes lie either on the FACE or
// on sub-shapes of the FACE
if ( GetMesh()->HasShapeToMesh() )
@ -1545,7 +1545,7 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetCentralNode(const SMDS_MeshNode* n1,
TBiQuad keyOfMap(n1,n2,n3);
std::map<TBiQuad, const SMDS_MeshNode* >::iterator itMapCentralNode;
itMapCentralNode = myMapWithCentralNode.find( keyOfMap );
if ( itMapCentralNode != myMapWithCentralNode.end() )
if ( itMapCentralNode != myMapWithCentralNode.end() )
{
return (*itMapCentralNode).second;
}
@ -1560,9 +1560,9 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetCentralNode(const SMDS_MeshNode* n1,
std::map< int, int > faceId2nbNodes;
std::map< int, int > ::iterator itMapWithIdFace;
SMESHDS_Mesh* meshDS = GetMeshDS();
// check if a face lies on a FACE, i.e. its all corner nodes lie either on the FACE or
// on sub-shapes of the FACE
if ( GetMesh()->HasShapeToMesh() )
@ -2004,7 +2004,7 @@ SMDS_MeshEdge* SMESH_MesherHelper::AddEdge(const SMDS_MeshNode* n1,
const bool force3d)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
SMDS_MeshEdge* edge = 0;
if (myCreateQuadratic) {
const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
@ -2467,7 +2467,7 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n10,
const SMDS_MeshNode* n11,
const SMDS_MeshNode* n12,
const smIdType id,
const smIdType id,
bool /*force3d*/)
{
SMESHDS_Mesh * meshDS = GetMeshDS();
@ -3206,7 +3206,7 @@ bool SMESH_MesherHelper::IsSubShape( const TopoDS_Shape& shape,
//=======================================================================
//function : IsSubShape
//purpose :
//purpose :
//=======================================================================
bool SMESH_MesherHelper::IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh )
@ -3221,7 +3221,7 @@ bool SMESH_MesherHelper::IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMes
//=======================================================================
//function : IsBlock
//purpose :
//purpose :
//=======================================================================
bool SMESH_MesherHelper::IsBlock( const TopoDS_Shape& shape )
@ -3323,9 +3323,7 @@ double SMESH_MesherHelper::GetAngle( const TopoDS_Edge & theE1,
vecRef = du ^ dv;
if ( ++nbLoops > 10 )
{
if (SALOME::VerbosityActivated())
cout << "SMESH_MesherHelper::GetAngle(): Captured in a sigularity" << endl;
MESSAGE("SMESH_MesherHelper::GetAngle(): Captured in a singularity");
return angle;
}
}
@ -3404,7 +3402,7 @@ TopoDS_Vertex SMESH_MesherHelper::IthVertex( const bool is2nd,
//================================================================================
/*!
* \brief Return type of shape contained in a group
* \brief Return type of shape contained in a group
* \param group - a shape of type TopAbs_COMPOUND
* \param avoidCompound - not to return TopAbs_COMPOUND
*/
@ -3464,13 +3462,13 @@ SMESH_MesherHelper:: MType SMESH_MesherHelper::IsQuadraticMesh()
NbAllEdgsAndFaces = myMesh->NbEdges() + myMesh->NbFaces();
if ( NbAllEdgsAndFaces == 0 )
return SMESH_MesherHelper::LINEAR;
//Quadratic faces and edges
NbQuadFacesAndEdgs = myMesh->NbEdges(ORDER_QUADRATIC) + myMesh->NbFaces(ORDER_QUADRATIC);
//Linear faces and edges
NbFacesAndEdges = myMesh->NbEdges(ORDER_LINEAR) + myMesh->NbFaces(ORDER_LINEAR);
if (NbAllEdgsAndFaces == NbQuadFacesAndEdgs) {
//Quadratic mesh
return SMESH_MesherHelper::QUADRATIC;
@ -4115,7 +4113,7 @@ namespace { // Structures used by FixQuadraticElements()
}
}
else if ( _sides.size() < 4 )
return thePrevLen;
return thePrevLen;
// propagate to adjacent faces till limit step or boundary
double len1 = thePrevLen + (theLink->MiddlePnt() - _sides[iL1]->MiddlePnt()).Modulus();
@ -4205,7 +4203,7 @@ namespace { // Structures used by FixQuadraticElements()
void QLink::SetContinuesFaces() const
{
// x0 x - QLink, [-|] - QFace, v - volume
// v0 | v1
// v0 | v1
// | Between _faces of link x2 two vertical faces are continues
// x1----x2-----x3 and two horizontal faces are continues. We set vertical faces
// | to _faces[0] and _faces[1] and horizontal faces to
@ -4312,7 +4310,7 @@ namespace { // Structures used by FixQuadraticElements()
}
return isStraight;
}
//================================================================================
/*!
* \brief Move medium nodes of vertical links of pentahedrons adjacent by side faces
@ -4441,13 +4439,13 @@ namespace { // Structures used by FixQuadraticElements()
while ( startLink != linksEnd) // loop on columns
{
// We suppose we have a rectangular structure like shown here. We have found a
// corner of the rectangle (startCorner) and a boundary link sharing
// |/ |/ | the startCorner (startLink). We are going to loop on rows of the
// --o---o---o structure making several chains at once. One chain (columnChain)
// |\ | /| starts at startLink and continues upward (we look at the structure
// \ | \ | / | from such point that startLink is on the bottom of the structure).
// \| \|/ | While going upward we also fill horizontal chains (rowChains) we
// --o---o---o encounter.
// corner of the rectangle (startCorner) and a boundary link sharing
// |/ |/ | the startCorner (startLink). We are going to loop on rows of the
// --o---o---o structure making several chains at once. One chain (columnChain)
// |\ | /| starts at startLink and continues upward (we look at the structure
// \ | \ | / | from such point that startLink is on the bottom of the structure).
// \| \|/ | While going upward we also fill horizontal chains (rowChains) we
// --o---o---o encounter.
// /|\ |\ |
// / | \ | \ | startCorner
// | \| \|,'
@ -4710,7 +4708,7 @@ namespace { // Structures used by FixQuadraticElements()
continue;
gp_XYZ edgeDir = SMESH_TNodeXYZ( nOnEdge[0] ) - SMESH_TNodeXYZ( nOnEdge[1] );
gp_XYZ edgeNorm = faceNorm ^ edgeDir;
n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); // find n, not create
n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); // find n, not create
gp_XYZ pN0 = SMESH_TNodeXYZ( nOnEdge[0] );
gp_XYZ pMedium = SMESH_TNodeXYZ( n ); // on-edge node location
gp_XYZ pFaceN = SMESH_TNodeXYZ( nOnFace ); // on-face node location
@ -4991,7 +4989,7 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
// fix nodes on geom faces
int nbfaces = faces.Extent();
for ( TopTools_MapIteratorOfMapOfShape fIt( faces ); fIt.More(); fIt.Next() ) {
MESSAGE("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
MSG("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
@ -5436,7 +5434,7 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
{
uv[ i ] = GetNodeUV( F, nodes[i], nodes[8], &checkUV );
// as this method is used after mesh generation, UV of nodes is not
// updated according to bending links, so we update
// updated according to bending links, so we update
if ( i > 3 && nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
@ -5471,7 +5469,7 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
{
uv[ i ] = GetNodeUV( F, nodes[i], nodes[(i+1)%3], &uvOK );
// as this method is used after mesh generation, UV of nodes is not
// updated according to bending links, so we update
// updated according to bending links, so we update
if ( nodes[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
CheckNodeUV( F, nodes[i], uv[ i ], 2*tol, /*force=*/true );
}
@ -5538,16 +5536,16 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
pointsOnShapes[ SMESH_Block::ID_Ex11 ] = SMESH_TNodeXYZ( hexNodes[ 13 ] );
pointsOnShapes[ SMESH_Block::ID_E0y1 ] = SMESH_TNodeXYZ( hexNodes[ 12 ] );
pointsOnShapes[ SMESH_Block::ID_E1y1 ] = SMESH_TNodeXYZ( hexNodes[ 14 ] );
pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( hexNodes[ 16 ] );
pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( hexNodes[ 19 ] );
pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( hexNodes[ 17 ] );
pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( hexNodes[ 16 ] );
pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( hexNodes[ 19 ] );
pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( hexNodes[ 17 ] );
pointsOnShapes[ SMESH_Block::ID_E11z ] = SMESH_TNodeXYZ( hexNodes[ 18 ] );
pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = SMESH_TNodeXYZ( hexNodes[ 20 ] );
pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = SMESH_TNodeXYZ( hexNodes[ 25 ] );
pointsOnShapes[ SMESH_Block::ID_Fx0z ] = SMESH_TNodeXYZ( hexNodes[ 21 ] );
pointsOnShapes[ SMESH_Block::ID_Fx1z ] = SMESH_TNodeXYZ( hexNodes[ 23 ] );
pointsOnShapes[ SMESH_Block::ID_F0yz ] = SMESH_TNodeXYZ( hexNodes[ 24 ] );
pointsOnShapes[ SMESH_Block::ID_Fx0z ] = SMESH_TNodeXYZ( hexNodes[ 21 ] );
pointsOnShapes[ SMESH_Block::ID_Fx1z ] = SMESH_TNodeXYZ( hexNodes[ 23 ] );
pointsOnShapes[ SMESH_Block::ID_F0yz ] = SMESH_TNodeXYZ( hexNodes[ 24 ] );
pointsOnShapes[ SMESH_Block::ID_F1yz ] = SMESH_TNodeXYZ( hexNodes[ 22 ] );
gp_XYZ nCenterParams(0.5, 0.5, 0.5), nCenterCoords;
@ -5584,7 +5582,6 @@ void SMESH_MesherHelper::WriteShape(const TopoDS_Shape& s)
{
const char* name = "/tmp/shape.brep";
BRepTools::Write( s, name );
if (SALOME::VerbosityActivated())
std::cout << name << std::endl;
MESSAGE(name);
}

32
src/SMESH/SMESH_subMesh.cxx
View File

@ -37,6 +37,7 @@
#include "SMESH_Mesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMeshEventListener.hxx"
#include "SMESH_MeshLocker.hxx"
#include "utilities.h"
#include "Basics_Utils.hxx"
@ -62,7 +63,7 @@ using namespace std;
#ifdef _DEBUG_
// enable printing algo + shape id + hypo used while meshing
//#define PRINT_WHO_COMPUTE_WHAT
#define PRINT_WHO_COMPUTE_WHAT
#endif
//=============================================================================
@ -256,7 +257,7 @@ bool SMESH_subMesh::IsMeshComputed() const
TopExp_Explorer exp( _subShape, (TopAbs_ShapeEnum) type );
for ( ; exp.More(); exp.Next() )
{
if ( SMESHDS_SubMesh * smDS = meshDS->MeshElements( exp.Current() ))
if ( SMESHDS_SubMesh * smDS = meshDS->MeshElements( exp.Current() ) )
{
bool computed = (dim > 0) ? smDS->NbElements() : smDS->NbNodes();
if ( computed )
@ -609,7 +610,7 @@ bool SMESH_subMesh::IsApplicableHypothesis(const SMESH_Hypothesis* theHypothesis
* \param [in] event - what happens
* \param [in] anHyp - a hypothesis
* \return SMESH_Hypothesis::Hypothesis_Status - a treatment result.
*
*
* Optional description of a problematic situation (if any) can be retrieved
* via GetComputeError().
*/
@ -1033,8 +1034,8 @@ SMESH_Hypothesis::Hypothesis_Status
// detect algorithm hiding
//
if ( ret == SMESH_Hypothesis::HYP_OK &&
( event == ADD_ALGO || event == ADD_FATHER_ALGO ) && algo &&
if ( ret == SMESH_Hypothesis::HYP_OK &&
( event == ADD_ALGO || event == ADD_FATHER_ALGO ) && algo &&
algo->GetName() == anHyp->GetName() )
{
// is algo hidden?
@ -1392,6 +1393,7 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
else if (( event == COMPUTE || event == COMPUTE_SUBMESH )
&& !_alwaysComputed )
{
SMESH_MeshLocker myLocker(_father);
const TopoDS_Vertex & V = TopoDS::Vertex( _subShape );
gp_Pnt P = BRep_Tool::Pnt(V);
if ( SMDS_MeshNode * n = _father->GetMeshDS()->AddNode(P.X(), P.Y(), P.Z()) ) {
@ -1511,9 +1513,10 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
break;
}
TopoDS_Shape shape = _subShape;
algo->SubMeshesToCompute().assign( 1, this );
algo->setSubMeshesToCompute(this);
// check submeshes needed
if (_father->HasShapeToMesh() ) {
// In parallel there would be no submesh to check
if (_father->HasShapeToMesh() && !_father->IsParallel()) {
bool subComputed = false, subFailed = false;
if (!algo->OnlyUnaryInput()) {
// --- commented for bos#22320 to compute all sub-shapes at once if possible;
@ -1575,7 +1578,7 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
_computeError = SMESH_ComputeError::Worst( _computeError, algo->GetComputeError() );
}
catch ( ::SMESH_ComputeError& comperr ) {
cout << " SMESH_ComputeError caught" << endl;
MESSAGE(" SMESH_ComputeError caught");
if ( !_computeError ) _computeError = SMESH_ComputeError::New();
*_computeError = comperr;
}
@ -1642,8 +1645,9 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
#ifdef PRINT_WHO_COMPUTE_WHAT
for (subS.ReInit(); subS.More(); subS.Next())
{
SMESH_MeshLocker myLocker(_father);
const std::list <const SMESHDS_Hypothesis *> & hyps =
_algo->GetUsedHypothesis( *_father, _subShape );
_algo->GetUsedHypothesis( *_father, _subShape );
SMESH_Comment hypStr;
if ( !hyps.empty() )
{
@ -2097,7 +2101,7 @@ void SMESH_subMesh::updateDependantsState(const compute_event theEvent)
//=======================================================================
//function : cleanDependants
//purpose :
//purpose :
//=======================================================================
void SMESH_subMesh::cleanDependants()
@ -2121,7 +2125,7 @@ void SMESH_subMesh::cleanDependants()
//=======================================================================
//function : removeSubMeshElementsAndNodes
//purpose :
//purpose :
//=======================================================================
void SMESH_subMesh::removeSubMeshElementsAndNodes()
@ -2297,7 +2301,7 @@ SMESH_subMesh::OwnListenerData::OwnListenerData( SMESH_subMesh* sm, EventListene
* \param listener - the listener to store
* \param data - the listener data to store
* \param where - the submesh to store the listener and it's data
*
*
* It remembers the submesh where it puts the listener in order to delete
* them when HYP_OK algo_state is lost
* After being set, event listener is notified on each event of where submesh.
@ -2319,7 +2323,7 @@ void SMESH_subMesh::SetEventListener(EventListener* listener,
* \brief Sets an event listener and its data to a submesh
* \param listener - the listener to store
* \param data - the listener data to store
*
*
* After being set, event listener is notified on each event of a submesh.
*/
//================================================================================
@ -2529,7 +2533,7 @@ void SMESH_subMesh::loadDependentMeshes()
* \param subMesh - the submesh where the event occurs
* \param data - listener data stored in the subMesh
* \param hyp - hypothesis, if eventType is algo_event
*
*
* The base implementation translates CLEAN event to the subMesh
* stored in listener data. Also it sends SUBMESH_COMPUTED event in case of
* successful COMPUTE event.

17
src/SMESH/SMESH_subMesh.hxx
View File

@ -69,7 +69,7 @@ class SMESH_EXPORT SMESH_subMesh
int GetId() const; // == meshDS->ShapeToIndex( aSubShape )
SMESH_Mesh* GetFather() { return _father; }
SMESHDS_SubMesh * GetSubMeshDS();
const SMESHDS_SubMesh * GetSubMeshDS() const;
@ -79,6 +79,7 @@ class SMESH_EXPORT SMESH_subMesh
SMESH_subMesh *GetFirstToCompute();
SMESH_Algo* GetAlgo() const;
SMESH_Algo* CopyAlgo() const;
const std::map < int, SMESH_subMesh * >& DependsOn();
bool DependsOn( const SMESH_subMesh* other ) const;
@ -123,7 +124,7 @@ class SMESH_EXPORT SMESH_subMesh
};
// ==================================================================
// Members to track non hierarchical dependencies between sub-meshes
// Members to track non hierarchical dependencies between sub-meshes
// ==================================================================
/*!
@ -131,7 +132,7 @@ class SMESH_EXPORT SMESH_subMesh
* \param listener - the listener to store
* \param data - the listener data to store
* \param where - the submesh to store the listener and it's data
*
*
* The method remembers the submesh \awhere it puts the listener in order to delete
* it when HYP_OK algo_state is lost
* After being set, event listener is notified on each event of \awhere submesh.
@ -185,7 +186,7 @@ protected:
* \brief Sets an event listener and its data to a submesh
* \param listener - the listener to store
* \param data - the listener data to store
*
*
* After being set, event listener is notified on each event of a submesh.
*/
void setEventListener(EventListener* listener, EventListenerData* data);
@ -245,7 +246,7 @@ public:
bool IsApplicableHypothesis(const SMESH_Hypothesis* theHypothesis) const;
// return true if theHypothesis can be used to mesh me:
// its shape type is checked
SMESH_Hypothesis::Hypothesis_Status CheckConcurrentHypothesis (SMESH_Hypothesis* theHypothesis);
// check if there are several applicable hypothesis on fathers
@ -277,7 +278,7 @@ public:
int GetComputeCost() const;
// how costly is to compute this sub-mesh
/*!
* \brief Find common submeshes (based on shared subshapes with other
* \param theOther submesh to check
@ -319,7 +320,7 @@ protected:
/*!
* \brief Return a hypothesis attached to theShape.
*
*
* If theHyp is provided, similar but not same hypotheses
* is returned; else an applicable ones having theHypType
* is returned
@ -327,7 +328,7 @@ protected:
const SMESH_Hypothesis* getSimilarAttached(const TopoDS_Shape& theShape,
const SMESH_Hypothesis * theHyp,
const int theHypType = 0);
//
//
int computeCost() const;
protected:

358
src/SMESHDS/SMESHDS_Mesh.cxx
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File diff suppressed because it is too large Load Diff

3
src/SMESH_I/SMESH_2smeshpy.cxx
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@ -2216,7 +2216,8 @@ bool _pyMesh::NeedMeshAccess( const Handle(_pyCommand)& theCommand )
"GetElemNode","IsMediumNode","IsMediumNodeOfAnyElem","ElemNbEdges","ElemNbFaces",
"GetElemFaceNodes", "GetFaceNormal", "FindElementByNodes",
"IsPoly","IsQuadratic","BaryCenter","GetHypothesisList", "SetAutoColor", "GetAutoColor",
"Clear", "ConvertToStandalone", "GetMeshOrder", "SetMeshOrder"
"Clear", "ConvertToStandalone", "GetMeshOrder", "SetMeshOrder",
"SetNbThreads"
,"" }; // <- mark of end
sameMethods.Insert( names );
}

4
src/SMESH_I/SMESH_Gen_i.cxx
View File

@ -6643,8 +6643,6 @@ CORBA::Boolean SMESH_Gen_i::IsApplicable ( const char* theAlgoType,
SMESH_CATCH( SMESH::doNothing );
if (SALOME::VerbosityActivated())
cout << "SMESH_Gen_i::IsApplicable(): exception in " << ( theAlgoType ? theAlgoType : "") << endl;
MESSAGE("SMESH_Gen_i::IsApplicable(): exception in " << ( theAlgoType ? theAlgoType : ""));
return true;
}

18
src/SMESH_I/SMESH_Mesh_i.cxx
View File

@ -2500,7 +2500,7 @@ void SMESH_Mesh_i::CheckGeomModif( bool theIsBreakLink )
}
old2newShapeMap.Bind( group->GetShape(), groupsData.back()._shape );
}
}
}
// store assigned hypotheses
@ -6161,8 +6161,8 @@ SMESH::SMESH_Mesh_ptr SMESH_Mesh_i::GetMesh()
/*!
* \brief Return false if GetMeshInfo() return incorrect information that may
* happen if mesh data is not yet fully loaded from the file of study.
*
*
*
*
*/
//================================================================================
@ -7028,6 +7028,16 @@ TListOfListOfInt SMESH_Mesh_i::findConcurrentSubMeshes()
return res;
}
//=============================================================================
/*!
* \brief Set the number of threads for a parallel computation
*/
//=============================================================================
void SMESH_Mesh_i::SetNbThreads(CORBA::Long nbThreads){
_impl->SetNbThreads(nbThreads);
}
//=============================================================================
/*!
* \brief Convert submesh ids into submesh interfaces
@ -7220,7 +7230,7 @@ smIdType SMESH_MeshPartDS::MinNodeID() const
{
if ( _meshDS ) return _meshDS->MinNodeID();
return NbNodes() == 0 ? 0 : (*_elements[ SMDSAbs_Node ].begin())->GetID();
}
}
// -------------------------------------------------------------------------------------
smIdType SMESH_MeshPartDS::MaxElementID() const
{

6
src/SMESH_I/SMESH_Mesh_i.hxx
View File

@ -226,7 +226,7 @@ public:
const char* file,
CORBA::Boolean withRequiredGroups);
template<class SPECLS>
void ExportPartToMEDCommon(SPECLS& speCls,
SMESH::SMESH_IDSource_ptr meshPart,
@ -571,7 +571,7 @@ public:
* Persistence of geometry tick
*/
int& MainShapeTick() { return _mainShapeTick; }
/*!
* Sets list of notebook variables used for Mesh operations separated by ":" symbol
@ -673,6 +673,8 @@ private:
SMESH::submesh_array_array& theSubMeshOrder,
const bool theIsDump);
void SetNbThreads(CORBA::Long nbThreads);
/*!
* \brief Finds concurrent sub-meshes
*/

131
src/SMESH_SWIG/smeshBuilder.py
View File

@ -462,6 +462,21 @@ class smeshBuilder( SMESH._objref_SMESH_Gen, object ):
obj,name = name,obj
return Mesh(self, self.geompyD, obj, name)
def ParallelMesh(self, obj, param, nbThreads, name=0):
"""
Create a parallel mesh.
Parameters:
obj: geometrical object for meshing
name: the name for the new mesh.
param: full mesh parameters
nbThreads: Number of threads for parallelisation.
Returns:
an instance of class :class:`ParallelMesh`.
"""
return ParallelMesh(self, self.geompyD, obj, param, nbThreads, name)
def RemoveMesh( self, mesh ):
"""
Delete a mesh
@ -1863,7 +1878,6 @@ class Mesh(metaclass = MeshMeta):
geom = self.geom
return self.smeshpyD.Evaluate(self.mesh, geom)
def Compute(self, geom=0, discardModifs=False, refresh=False):
"""
Compute the mesh and return the status of the computation
@ -7487,6 +7501,121 @@ class Mesh(metaclass = MeshMeta):
pass # end of Mesh class
def _copy_netgen_param(dim, local_param, global_param):
if dim==1:
#TODO: Try to identify why we need to substract 1
local_param.NumberOfSegments(int(global_param.GetNbSegPerEdge())-1)
elif dim==2:
local_param.SetMaxSize(global_param.GetMaxSize())
local_param.SetMinSize(global_param.GetMinSize())
local_param.SetOptimize(global_param.GetOptimize())
local_param.SetFineness(global_param.GetFineness())
local_param.SetNbSegPerEdge(global_param.GetNbSegPerEdge())
local_param.SetNbSegPerRadius(global_param.GetNbSegPerRadius())
local_param.SetGrowthRate(global_param.GetGrowthRate()*0.9)
local_param.SetChordalError(global_param.GetChordalError())
local_param.SetChordalErrorEnabled(global_param.GetChordalErrorEnabled())
local_param.SetUseSurfaceCurvature(global_param.GetUseSurfaceCurvature())
local_param.SetUseDelauney(global_param.GetUseDelauney())
local_param.SetQuadAllowed(global_param.GetQuadAllowed())
local_param.SetWorstElemMeasure(global_param.GetWorstElemMeasure())
local_param.SetCheckChartBoundary(global_param.GetCheckChartBoundary())
local_param.SetNbThreads(global_param.GetNbThreads())
else:
local_param.SetMaxSize(global_param.GetMaxSize())
local_param.SetMinSize(global_param.GetMinSize())
local_param.SetOptimize(global_param.GetOptimize())
local_param.SetCheckOverlapping(global_param.GetCheckOverlapping())
local_param.SetCheckChartBoundary(global_param.GetCheckChartBoundary())
local_param.SetFineness(global_param.GetFineness())
local_param.SetNbSegPerEdge(global_param.GetNbSegPerEdge())
local_param.SetNbSegPerRadius(global_param.GetNbSegPerRadius())
local_param.SetGrowthRate(global_param.GetGrowthRate())
local_param.SetNbThreads(global_param.GetNbThreads())
class ParallelMesh(Mesh):
"""
Surcharge on Mesh for parallel computation of a mesh
"""
def __init__(self, smeshpyD, geompyD, geom, param, nbThreads, name=0):
"""
Create a parallel mesh.
Parameters:
geom: geometrical object for meshing
param: full mesh parameters
nbThreads: Number of threads for parallelisation.
name: the name for the new mesh.
Returns:
an instance of class :class:`ParallelMesh`.
"""
if not isinstance(geom, geomBuilder.GEOM._objref_GEOM_Object):
raise ValueError("geom argument must be a geometry")
if not isinstance(param, NETGENPlugin._objref_NETGENPlugin_Hypothesis):
raise ValueError("param must come from NETGENPlugin")
if nbThreads < 1:
raise ValueError("Number of threads must be stricly greater than 1")
# Splitting geometry into 3D elements and all the 2D/1D into one compound
object_solids = geompyD.ExtractShapes(geom, geompyD.ShapeType["SOLID"],
True)
solids = []
isolid = 0
for solid in object_solids:
isolid += 1
geompyD.addToStudyInFather( geom, solid, 'Solid_{}'.format(isolid) )
solids.append(solid)
faces = []
iface = 0
for isolid, solid in enumerate(solids):
solid_faces = geompyD.ExtractShapes(solid, geompyD.ShapeType["FACE"],
True)
for face in solid_faces:
faces.append(face)
iface += 1
geompyD.addToStudyInFather(solid, face,
'Face_{}'.format(iface))
# Creating submesh for edges 1D/2D part
all_faces = geompyD.MakeCompound(faces)
geompyD.addToStudy(all_faces, 'Compound_1')
all_faces = geompyD.MakeGlueEdges(all_faces, 1e-07)
all_faces = geompyD.MakeGlueFaces(all_faces, 1e-07)
geompyD.addToStudy(all_faces, 'global2D')
super(ParallelMesh, self).__init__(smeshpyD, geompyD, geom, name)
self.mesh.SetNbThreads(nbThreads)
self.UseExistingSegments()
self.UseExistingFaces()
algo2d = self.Triangle(geom=all_faces, algo="NETGEN_2D")
param2d = algo2d.Parameters()
_copy_netgen_param(2, param2d, param)
for solid_id, solid in enumerate(solids):
name = "Solid_{}".format(solid_id)
self.UseExistingSegments(geom=solid)
self.UseExistingFaces(geom=solid)
algo3d = self.Tetrahedron(geom=solid, algo="NETGEN_3D_Remote")
param3d = algo3d.Parameters()
_copy_netgen_param(3, param3d, param)
pass # End of ParallelMesh
class meshProxy(SMESH._objref_SMESH_Mesh):
"""
Private class used to compensate change of CORBA API of SMESH_Mesh for backward compatibility

6
src/StdMeshers/StdMeshers_Regular_1D.cxx
View File

@ -716,7 +716,7 @@ void StdMeshers_Regular_1D::redistributeNearVertices (SMESH_Mesh & theM
//=============================================================================
/*!
*
*
*/
//=============================================================================
bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh,
@ -1164,7 +1164,7 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh,
//=============================================================================
/*!
*
*
*/
//=============================================================================
@ -1338,7 +1338,7 @@ bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & t
//=============================================================================
/*!
*
*
*/
//=============================================================================

133
test/SMESH_ParallelCompute.py Normal file
View File

@ -0,0 +1,133 @@
# contains function to compute a mesh in parallel
from platform import java_ver
import sys
from tkinter import W
import salome
import time
salome.salome_init()
import salome_notebook
notebook = salome_notebook.NoteBook()
###
### GEOM component
###
import GEOM
from salome.geom import geomBuilder
from salome.smesh import smeshBuilder
import math
import SALOMEDS
import numpy as np
geompy = geomBuilder.New()
smesh = smeshBuilder.New()
def build_seq_mesh(nbox, boxsize, offset):
# Create 3D faces
boxes = []
# First creating all the boxes
for i in range(nbox):
for j in range(nbox):
for k in range(nbox):
x_orig = i*(boxsize+offset)
y_orig = j*(boxsize+offset)
z_orig = k*(boxsize+offset)
tmp_box = geompy.MakeBoxDXDYDZ(boxsize, boxsize, boxsize)
if not i == j == k == 0:
box = geompy.MakeTranslation(tmp_box, x_orig,
y_orig, z_orig)
else:
box = tmp_box
geompy.addToStudy(box, 'box_{}:{}:{}'.format(i, j, k))
boxes.append(box)
# Create fuse of all boxes
all_boxes = geompy.MakeCompound(boxes)
geompy.addToStudy(all_boxes, 'Compound_1')
# Removing duplicates faces and edges
all_boxes = geompy.MakeGlueFaces(all_boxes, 1e-07)
geompy.addToStudy(all_boxes, 'Glued_Faces_1')
all_boxes = geompy.MakeGlueEdges(all_boxes, 1e-07)
geompy.addToStudy(all_boxes, 'rubik_cube')
# Building sequetial mesh
print("Creating mesh")
all_box_mesh = smesh.Mesh(all_boxes, "seq_mesh")
print("Adding algo")
algo3d = all_box_mesh.Tetrahedron(algo=smeshBuilder.NETGEN_1D2D3D)
netgen_parameters = algo3d.Parameters()
netgen_parameters.SetMaxSize(34.641)
netgen_parameters.SetMinSize(0.141421)
netgen_parameters.SetOptimize(1)
netgen_parameters.SetCheckOverlapping(0)
netgen_parameters.SetCheckChartBoundary(0)
netgen_parameters.SetFineness(5)
netgen_parameters.SetNbSegPerEdge(16*(boxsize//100))
netgen_parameters.SetNbSegPerRadius(1.5)
netgen_parameters.SetGrowthRate(0.15)
netgen_parameters.SetChordalError(-1)
netgen_parameters.SetChordalErrorEnabled(0)
netgen_parameters.SetUseSurfaceCurvature(1)
netgen_parameters.SetQuadAllowed(0)
netgen_parameters.SetCheckOverlapping(False)
netgen_parameters.SetNbThreads(2)
return all_boxes, all_box_mesh, netgen_parameters
def run_test(nbox=2, boxsize=100):
""" Run sequential mesh and parallel version of it
nbox: NUmber of boxes
boxsize: Size of each box
"""
geom, seq_mesh, netgen_parameters = build_seq_mesh(nbox, boxsize, 0)
par_mesh = smesh.ParallelMesh(geom, netgen_parameters, 6, name="par_mesh")
start = time.monotonic()
is_done = seq_mesh.Compute()
assert is_done
stop = time.monotonic()
time_seq = stop-start
start = time.monotonic()
is_done = par_mesh.Compute()
assert is_done
stop = time.monotonic()
time_par = stop-start
print(" Tetrahedron: ", seq_mesh.NbTetras(), par_mesh.NbTetras())
print(" Triangle: ", seq_mesh.NbTriangles(), par_mesh.NbTriangles())
print(" edge: ", seq_mesh.NbEdges(), par_mesh.NbEdges())
assert par_mesh.NbTetras() > 0
assert par_mesh.NbTriangles() > 0
assert par_mesh.NbEdges() > 0
print("Time elapsed (seq, par): ", time_seq, time_par)
def main():
if sys.platform == "win32":
print("Test disabled on Windows")
return
nbox = 2
boxsize = 100
run_test(nbox, boxsize)
main()

132
test/netgen_runner.py Normal file
View File

@ -0,0 +1,132 @@
#!/usr/bin/env python
import sys
import salome
salome.salome_init()
from os import path
import tempfile
import subprocess
import GEOM, SMESH, SALOMEDS
from salome.geom import geomBuilder
from salome.smesh import smeshBuilder
import math
smesh = smeshBuilder.New()
geompy = geomBuilder.New()
import medcoupling as mc
def create_param_file(param_file):
""" Create a parameter file for runner """
param = """1
34.64
0.14
16
0.15
1.5
0
0
1
5
1
1
-1
3
3
0.2
2
1
0
0
2
2
0
0
0
0"""
with open(param_file, "w") as ffile:
ffile.write(param)
def test_netgen3d():
""" Test netgen3d mesher """
# Building geometry
box = geompy.MakeBoxDXDYDZ(200, 200, 200)
geompy.ExtractShapes(box, geompy.ShapeType["FACE"], True)
groupe_1 = geompy.CreateGroup(box, geompy.ShapeType["FACE"])
geompy.UnionIDs(groupe_1, [3, 13, 23, 27, 31, 33])
[_, _, _, _, _, _, groupe_1] = geompy.GetExistingSubObjects(box, False)
# Creating 2D mesh
netgen_2d_parameters_1 = smesh.CreateHypothesisByAverageLength(
'NETGEN_Parameters_2D', 'NETGENEngine', 34.641, 0)
mesh_2d = smesh.Mesh(groupe_1, 'Maillage_1')
mesh_2d.AddHypothesis(groupe_1, netgen_2d_parameters_1)
mesh_2d.Triangle(algo=smeshBuilder.NETGEN_1D2D)
is_done = mesh_2d.Compute()
assert is_done
smesh.SetName(mesh_2d, 'Maillage_1')
with tempfile.TemporaryDirectory() as tmp_dir:
mesh_file = path.join(tmp_dir, "mesh.med")
shape_file = path.join(tmp_dir, "shape.step")
param_file = path.join(tmp_dir, "param.txt")
output_mesh = path.join(tmp_dir, "mesh3D.med")
print("Running in folder: ", tmp_dir)
create_param_file(param_file)
mesh_2d.ExportMED(mesh_file, 0, 41, 1, mesh_2d, 1, [], '', -1, 1)
geompy.ExportSTEP(box, shape_file, GEOM.LU_METER)
runner = path.join("${NETGENPLUGIN_ROOT_DIR}",
"bin",
"salome",
"NETGENPlugin_Runner")
if sys.platform == 'win32':
runner += ".exe"
cmd = "{runner} NETGEN3D {mesh_file} {shape_file} "\
"{param_file} NONE NONE {output_mesh}"\
.format(runner=runner,
mesh_file=mesh_file,
shape_file=shape_file,
param_file=param_file,
output_mesh=output_mesh)
print(cmd)
subprocess.check_call(cmd, shell=True)
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", 0)
nb_tetras = mesh_read.getNumberOfCellsWithType(mc.NORM_TETRA4)
nb_points = mesh_read.getNumberOfNodes()
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", -1)
nb_triangles = mesh_read.getNumberOfCellsWithType(mc.NORM_TRI3)
mesh_read = mc.ReadUMeshFromFile(output_mesh, "MESH", -2)
nb_segments = mesh_read.getNumberOfCellsWithType(mc.NORM_SEG2)
print("Nb Tetras:", nb_tetras)
print("Nb Triangles:", nb_triangles)
print("Nb Segments:", nb_segments)
print("Nb Points:", nb_points)
assert nb_points > 0
assert nb_segments > 0
assert nb_triangles > 0
assert nb_tetras > 0
if __name__ == "__main__":
if sys.platform == "win32":
print("Disabled on windows")
sys.exit(0)
test_netgen3d()

2
test/tests.set
View File

@ -64,6 +64,8 @@ SET(BAD_TESTS
SMESH_test4.py
SMESH_create_dual_mesh_adapt.py
SMESH_create_dual_mesh_tpipe.py
netgen_runner.py
SMESH_ParallelCompute.py
)
IF(NOT WIN32)
LIST(APPEND BAD_TESTS