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smesh/src/DriverGMF/DriverGMF_Read.cxx
akl b0a908c0d2 Update copyrights 2014.
2014-02-20 16:25:37 +04:00

487 lines
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// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// 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 : DriverGMF_Read.cxx
// Created : Mon Sep 17 17:03:02 2012
// Author : Edward AGAPOV (eap)
#include "DriverGMF_Read.hxx"
#include "DriverGMF.hxx"
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_TypeDefs.hxx"
#include <Basics_Utils.hxx>
extern "C"
{
#include "libmesh5.h"
}
#include <stdarg.h>
// --------------------------------------------------------------------------------
DriverGMF_Read::DriverGMF_Read():
Driver_SMESHDS_Mesh(),
_makeRequiredGroups( true )
{
}
// --------------------------------------------------------------------------------
DriverGMF_Read::~DriverGMF_Read()
{
}
//================================================================================
/*!
* \brief Read a GMF file
*/
//================================================================================
Driver_Mesh::Status DriverGMF_Read::Perform()
{
Kernel_Utils::Localizer loc;
Status status = DRS_OK;
int dim, version;
// open the file
int meshID = GmfOpenMesh( myFile.c_str(), GmfRead, &version, &dim );
if ( !meshID )
{
if ( DriverGMF::isExtensionCorrect( myFile ))
return addMessage( SMESH_Comment("Can't open for reading ") << myFile,
/*fatal=*/true );
else
return addMessage( SMESH_Comment("Not '.mesh' or '.meshb' extension of file ") << myFile,
/*fatal=*/true );
}
DriverGMF::MeshCloser aMeshCloser( meshID ); // An object closing GMF mesh at destruction
// Read nodes
int nbNodes = GmfStatKwd(meshID, GmfVertices);
if ( nbNodes < 1 )
return addMessage( "No nodes in the mesh", /*fatal=*/true );
GmfGotoKwd(meshID, GmfVertices);
int ref;
const int nodeIDShift = myMesh->GetMeshInfo().NbNodes();
if ( version != GmfFloat )
{
double x, y, z;
for ( int i = 1; i <= nbNodes; ++i )
{
GmfGetLin(meshID, GmfVertices, &x, &y, &z, &ref);
myMesh->AddNodeWithID( x,y,z, nodeIDShift + i);
}
}
else
{
float x, y, z;
for ( int i = 1; i <= nbNodes; ++i )
{
GmfGetLin(meshID, GmfVertices, &x, &y, &z, &ref);
myMesh->AddNodeWithID( x,y,z, nodeIDShift + i);
}
}
// Read elements
int iN[28]; // 28 - nb nodes in HEX27 (+ 1 for safety :)
/* Read edges */
const int edgeIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbEdges = GmfStatKwd(meshID, GmfEdges))
{
// read extra vertices for quadratic edges
std::vector<int> quadNodesAtEdges( nbEdges + 1, -1 );
if ( int nbQuadEdges = GmfStatKwd(meshID, GmfExtraVerticesAtEdges))
{
GmfGotoKwd(meshID, GmfExtraVerticesAtEdges);
for ( int i = 1; i <= nbQuadEdges; ++i )
{
GmfGetLin(meshID, GmfExtraVerticesAtEdges, &iN[0], &iN[1], &iN[2]);
if ( iN[1] >= 1 )
quadNodesAtEdges[ iN[0] ] = iN[2];
}
}
// create edges
GmfGotoKwd(meshID, GmfEdges);
for ( int i = 1; i <= nbEdges; ++i )
{
GmfGetLin(meshID, GmfEdges, &iN[0], &iN[1], &ref);
const int midN = quadNodesAtEdges[ i ];
if ( midN > 0 )
{
if ( !myMesh->AddEdgeWithID( iN[0], iN[1], midN, edgeIDShift + i ))
status = storeBadNodeIds( "GmfEdges + GmfExtraVerticesAtEdges",i,
3, iN[0], iN[1], midN);
}
else
{
if ( !myMesh->AddEdgeWithID( iN[0], iN[1], edgeIDShift + i ))
status = storeBadNodeIds( "GmfEdges",i, 2, iN[0], iN[1] );
}
}
}
/* Read triangles */
const int triaIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbTria = GmfStatKwd(meshID, GmfTriangles))
{
// read extra vertices for quadratic triangles
std::vector< std::vector<int> > quadNodesAtTriangles( nbTria + 1 );
if ( int nbQuadTria = GmfStatKwd(meshID, GmfExtraVerticesAtTriangles ))
{
GmfGotoKwd( meshID, GmfExtraVerticesAtTriangles );
for ( int i = 1; i <= nbQuadTria; ++i )
{
GmfGetLin(meshID, GmfExtraVerticesAtTriangles,
&iN[0], &iN[1], &iN[2], &iN[3], &iN[4],
&iN[5]); // iN[5] - preview TRIA7
if ( iN[0] <= nbTria )
{
std::vector<int>& nodes = quadNodesAtTriangles[ iN[0] ];
nodes.insert( nodes.end(), & iN[2], & iN[5+1] );
nodes.resize( iN[1] );
}
}
}
// create triangles
GmfGotoKwd(meshID, GmfTriangles);
for ( int i = 1; i <= nbTria; ++i )
{
GmfGetLin(meshID, GmfTriangles, &iN[0], &iN[1], &iN[2], &ref);
std::vector<int>& midN = quadNodesAtTriangles[ i ];
if ( midN.size() >= 3 )
{
if ( !myMesh->AddFaceWithID( iN[0],iN[1],iN[2], midN[0],midN[1],midN[2],
triaIDShift + i ))
status = storeBadNodeIds( "GmfTriangles + GmfExtraVerticesAtTriangles",i, 6,
iN[0],iN[1],iN[2], midN[0],midN[1],midN[2] );
}
else
{
if ( !myMesh->AddFaceWithID( iN[0], iN[1], iN[2], triaIDShift + i ))
status = storeBadNodeIds( "GmfTriangles",i, 3, iN[0], iN[1], iN[2] );
}
if ( !midN.empty() ) SMESHUtils::FreeVector( midN );
}
}
/* Read quadrangles */
const int quadIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbQuad = GmfStatKwd(meshID, GmfQuadrilaterals))
{
// read extra vertices for quadratic quadrangles
std::vector< std::vector<int> > quadNodesAtQuadrilaterals( nbQuad + 1 );
if ( int nbQuadQuad = GmfStatKwd( meshID, GmfExtraVerticesAtQuadrilaterals ))
{
GmfGotoKwd(meshID, GmfExtraVerticesAtQuadrilaterals);
for ( int i = 1; i <= nbQuadQuad; ++i )
{
GmfGetLin(meshID, GmfExtraVerticesAtQuadrilaterals,
&iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &iN[5], &iN[6]);
if ( iN[0] <= nbQuad )
{
std::vector<int>& nodes = quadNodesAtQuadrilaterals[ iN[0] ];
nodes.insert( nodes.end(), & iN[2], & iN[6+1] );
nodes.resize( iN[1] );
}
}
}
// create quadrangles
GmfGotoKwd(meshID, GmfQuadrilaterals);
for ( int i = 1; i <= nbQuad; ++i )
{
GmfGetLin(meshID, GmfQuadrilaterals, &iN[0], &iN[1], &iN[2], &iN[3], &ref);
std::vector<int>& midN = quadNodesAtQuadrilaterals[ i ];
if ( midN.size() == 8-4 ) // QUAD8
{
if ( !myMesh->AddFaceWithID( iN[0], iN[1], iN[2], iN[3],
midN[0], midN[1], midN[2], midN[3],
quadIDShift + i ))
status = storeBadNodeIds( "GmfQuadrilaterals + GmfExtraVerticesAtQuadrilaterals",i, 8,
iN[0], iN[1],iN[2], iN[3],
midN[0], midN[1], midN[2], midN[3]);
}
else if ( midN.size() > 8-4 ) // QUAD9
{
if ( !myMesh->AddFaceWithID( iN[0], iN[1], iN[2], iN[3],
midN[0], midN[1], midN[2], midN[3], midN[4],
quadIDShift + i ))
status = storeBadNodeIds( "GmfQuadrilaterals + GmfExtraVerticesAtQuadrilaterals",i, 9,
iN[0], iN[1],iN[2], iN[3],
midN[0], midN[1], midN[2], midN[3], midN[4]);
}
else // QUAD4
{
if ( !myMesh->AddFaceWithID( iN[0], iN[1], iN[2], iN[3], quadIDShift + i ))
status = storeBadNodeIds( "GmfQuadrilaterals",i, 4, iN[0], iN[1],iN[2], iN[3] );
}
if ( !midN.empty() ) SMESHUtils::FreeVector( midN );
}
}
/* Read terahedra */
const int tetIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbTet = GmfStatKwd( meshID, GmfTetrahedra ))
{
// read extra vertices for quadratic tetrahedra
std::vector< std::vector<int> > quadNodesAtTetrahedra( nbTet + 1 );
if ( int nbQuadTetra = GmfStatKwd( meshID, GmfExtraVerticesAtTetrahedra ))
{
GmfGotoKwd(meshID, GmfExtraVerticesAtTetrahedra);
for ( int i = 1; i <= nbQuadTetra; ++i )
{
GmfGetLin(meshID, GmfExtraVerticesAtTetrahedra,
&iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &iN[5], &iN[6], &iN[7]);
if ( iN[0] <= nbTet )
{
std::vector<int>& nodes = quadNodesAtTetrahedra[ iN[0] ];
nodes.insert( nodes.end(), & iN[2], & iN[7+1] );
nodes.resize( iN[1] );
}
}
}
// create tetrahedra
GmfGotoKwd(meshID, GmfTetrahedra);
for ( int i = 1; i <= nbTet; ++i )
{
GmfGetLin(meshID, GmfTetrahedra, &iN[0], &iN[1], &iN[2], &iN[3], &ref);
std::vector<int>& midN = quadNodesAtTetrahedra[ i ];
if ( midN.size() >= 10-4 ) // TETRA10
{
if ( !myMesh->AddVolumeWithID( iN[0], iN[2], iN[1], iN[3],
midN[2], midN[1], midN[0], midN[3], midN[5], midN[4],
tetIDShift + i ))
status = storeBadNodeIds( "GmfTetrahedra + GmfExtraVerticesAtTetrahedra",i, 10,
iN[0], iN[2], iN[1], iN[3],
midN[2], midN[1], midN[0], midN[3], midN[5], midN[4] );
}
else // TETRA4
{
if ( !myMesh->AddVolumeWithID( iN[0], iN[2], iN[1], iN[3], tetIDShift + i ))
status = storeBadNodeIds( "GmfTetrahedra" ,i, 4, iN[0], iN[2], iN[1], iN[3] );
}
if ( !midN.empty() ) SMESHUtils::FreeVector( midN );
}
}
/* Read pyramids */
const int pyrIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbPyr = GmfStatKwd(meshID, GmfPyramids))
{
GmfGotoKwd(meshID, GmfPyramids);
for ( int i = 1; i <= nbPyr; ++i )
{
GmfGetLin(meshID, GmfPyramids, &iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &ref);
if ( !myMesh->AddVolumeWithID( iN[0], iN[2], iN[1], iN[3], iN[4], pyrIDShift + i ))
status = storeBadNodeIds( "GmfPyramids",i, 5, iN[0], iN[1],iN[2], iN[3], iN[4] );
}
}
/* Read hexahedra */
const int hexIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbHex = GmfStatKwd(meshID, GmfHexahedra))
{
// read extra vertices for quadratic hexahedra
std::vector< std::vector<int> > quadNodesAtHexahedra( nbHex + 1 );
if ( int nbQuadHexa = GmfStatKwd( meshID, GmfExtraVerticesAtHexahedra ))
{
GmfGotoKwd(meshID, GmfExtraVerticesAtHexahedra);
for ( int i = 1; i <= nbQuadHexa; ++i )
{
GmfGetLin(meshID, GmfExtraVerticesAtHexahedra, &iN[0], &iN[1], // Hexa Id, Nb extra vertices
&iN[2], &iN[3], &iN[4], &iN[5],
&iN[6], &iN[7], &iN[8], &iN[9],
&iN[10], &iN[11], &iN[12], &iN[13], // HEXA20
&iN[14],
&iN[15], &iN[16], &iN[17], &iN[18],
&iN[19],
&iN[20]); // HEXA27
if ( iN[0] <= nbHex )
{
std::vector<int>& nodes = quadNodesAtHexahedra[ iN[0] ];
nodes.insert( nodes.end(), & iN[2], & iN[20+1] );
nodes.resize( iN[1] );
}
}
}
// create hexhedra
GmfGotoKwd(meshID, GmfHexahedra);
for ( int i = 1; i <= nbHex; ++i )
{
GmfGetLin(meshID, GmfHexahedra, &iN[0], &iN[1], &iN[2], &iN[3],
&iN[4], &iN[5], &iN[6], &iN[7], &ref);
std::vector<int>& midN = quadNodesAtHexahedra[ i ];
if ( midN.size() == 20-8 ) // HEXA20
{
if ( !myMesh->AddVolumeWithID( iN[0], iN[3], iN[2], iN[1],
iN[4], iN[7], iN[6], iN[5],
midN[3], midN[2], midN[1], midN[0],
midN[7], midN[6], midN[5], midN[4],
midN[8], midN[11], midN[10], midN[9],
hexIDShift + i ))
status = storeBadNodeIds( "GmfHexahedra + GmfExtraVerticesAtHexahedra",i, 20,
iN[0], iN[3], iN[2], iN[1],
iN[4], iN[7], iN[6], iN[5],
midN[3], midN[2], midN[1], midN[0],
midN[7], midN[6], midN[5], midN[4],
midN[8], midN[11], midN[10], midN[9]);
}
else if ( midN.size() >= 27-8 ) // HEXA27
{
if ( !myMesh->AddVolumeWithID( iN[0], iN[3], iN[2], iN[1],
iN[4], iN[7], iN[6], iN[5],
midN[3], midN[2], midN[1], midN[0],
midN[7], midN[6], midN[5], midN[4],
midN[8], midN[11], midN[10], midN[9],
midN[12],
midN[16], midN[15], midN[14], midN[13],
midN[17],
midN[18],
hexIDShift + i ))
status = storeBadNodeIds( "GmfHexahedra + GmfExtraVerticesAtHexahedra",i, 27,
iN[0], iN[3], iN[2], iN[1],
iN[4], iN[7], iN[6], iN[5],
midN[3], midN[2], midN[1], midN[0],
midN[7], midN[6], midN[5], midN[4],
midN[8], midN[11], midN[10], midN[9],
midN[12],
midN[16], midN[15], midN[14], midN[13],
midN[17],
midN[18]);
}
else // HEXA8
{
if ( !myMesh->AddVolumeWithID( iN[0], iN[3], iN[2], iN[1],
iN[4], iN[7], iN[6], iN[5], hexIDShift + i ) )
status = storeBadNodeIds( "GmfHexahedra" ,i, 8, iN[0], iN[3], iN[2], iN[1],
iN[4], iN[7], iN[6], iN[5] );
}
if ( !midN.empty() ) SMESHUtils::FreeVector( midN );
}
}
/* Read prism */
const int prismIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbPrism = GmfStatKwd(meshID, GmfPrisms))
{
GmfGotoKwd(meshID, GmfPrisms);
for ( int i = 1; i <= nbPrism; ++i )
{
GmfGetLin(meshID, GmfPrisms, &iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &iN[5], &ref);
if ( !myMesh->AddVolumeWithID( iN[0], iN[2], iN[1], iN[3], iN[5], iN[4], prismIDShift + i))
status = storeBadNodeIds( "GmfPrisms",i,
6, iN[0], iN[1],iN[2], iN[3], iN[4], iN[5] );
}
}
// Read required entities into groups
if ( _makeRequiredGroups )
{
// get ids of existing groups
std::set< int > groupIDs;
const std::set<SMESHDS_GroupBase*>& groups = myMesh->GetGroups();
std::set<SMESHDS_GroupBase*>::const_iterator grIter = groups.begin();
for ( ; grIter != groups.end(); ++grIter )
groupIDs.insert( (*grIter)->GetID() );
if ( groupIDs.empty() ) groupIDs.insert( 0 );
const int kes[4][3] = { { GmfRequiredVertices, SMDSAbs_Node, nodeIDShift },
{ GmfRequiredEdges, SMDSAbs_Edge, edgeIDShift },
{ GmfRequiredTriangles, SMDSAbs_Face, triaIDShift },
{ GmfRequiredQuadrilaterals,SMDSAbs_Face, quadIDShift }};
const char* names[4] = { "_required_Vertices" ,
"_required_Edges" ,
"_required_Triangles" ,
"_required_Quadrilaterals" };
for ( int i = 0; i < 4; ++i )
{
int gmfKwd = kes[i][0];
SMDSAbs_ElementType entity = (SMDSAbs_ElementType) kes[i][1];
int shift = kes[i][2];
if ( int nb = GmfStatKwd(meshID, gmfKwd))
{
const int newID = *groupIDs.rbegin() + 1;
groupIDs.insert( newID );
SMESHDS_Group* group = new SMESHDS_Group( newID, myMesh, entity );
group->SetStoreName( names[i] );
myMesh->AddGroup( group );
GmfGotoKwd(meshID, gmfKwd);
for ( int i = 0; i < nb; ++i )
{
GmfGetLin(meshID, gmfKwd, &iN[0] );
group->Add( shift + iN[0] );
}
}
}
}
return status;
}
//================================================================================
/*!
* \brief Store a message about invalid IDs of nodes
*/
//================================================================================
Driver_Mesh::Status DriverGMF_Read::storeBadNodeIds(const char* gmfKwd, int elemNb, int nb, ...)
{
if ( myStatus != DRS_OK )
return myStatus;
SMESH_Comment msg;
va_list VarArg;
va_start(VarArg, nb);
for ( int i = 0; i < nb; ++i )
{
int id = va_arg(VarArg, int );
if ( !myMesh->FindNode( id ))
msg << " " << id;
}
va_end(VarArg);
if ( !msg.empty() )
{
std::string nbStr;
const char* nbNames[] = { "1-st ", "2-nd ", "3-d " };
if ( elemNb < 3 ) nbStr = nbNames[ elemNb-1 ];
else nbStr = SMESH_Comment(elemNb) << "-th ";
return addMessage
( SMESH_Comment("Wrong node IDs of ")<< nbStr << gmfKwd << ":" << msg,
/*fatal=*/false );
}
return DRS_OK;
}
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