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smesh/src/DriverGMF/DriverGMF_Read.cxx

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// Copyright (C) 2007-2012 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.
//
// 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, Read 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 <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];
/* Read edges */
const int edgeIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbEdges = GmfStatKwd(meshID, GmfEdges))
{
GmfGotoKwd(meshID, GmfEdges);
for ( int i = 1; i <= nbEdges; ++i )
{
GmfGetLin(meshID, GmfEdges, &iN[0], &iN[1], &ref);
if ( !myMesh->AddEdgeWithID( iN[0], iN[1], edgeIDShift + i ))
status = storeBadNodeIds( "GmfEdges",i, 2, iN[0], iN[1] );
}
}
/* Read quadratic edges */
const int edge2IDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbEdges = GmfStatKwd(meshID, GmfEdgesP2))
{
GmfGotoKwd(meshID, GmfEdgesP2);
for ( int i = 1; i <= nbEdges; ++i )
{
GmfGetLin(meshID, GmfEdgesP2, &iN[0], &iN[1], &iN[2], &ref);
if ( !myMesh->AddEdgeWithID( iN[0], iN[1], iN[2], edge2IDShift + i ))
status = storeBadNodeIds( "GmfEdgesP2",i, 3, iN[0], iN[1], iN[2] );
}
}
/* Read triangles */
const int triaIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbTria = GmfStatKwd(meshID, GmfTriangles))
{
GmfGotoKwd(meshID, GmfTriangles);
for ( int i = 1; i <= nbTria; ++i )
{
GmfGetLin(meshID, GmfTriangles, &iN[0], &iN[1], &iN[2], &ref);
if ( !myMesh->AddFaceWithID( iN[0], iN[1], iN[2], triaIDShift + i ))
status = storeBadNodeIds( "GmfTriangles",i, 3, iN[0], iN[1], iN[2] );
}
}
/* Read quadratic triangles */
const int tria2IDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbTria = GmfStatKwd(meshID, GmfTrianglesP2))
{
GmfGotoKwd(meshID, GmfTrianglesP2);
for ( int i = 1; i <= nbTria; ++i )
{
GmfGetLin(meshID, GmfTrianglesP2,
&iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &iN[5], &ref);
if ( !myMesh->AddFaceWithID( iN[0],iN[1],iN[2],iN[3],iN[4],iN[5],
tria2IDShift + i ))
status = storeBadNodeIds( "GmfTrianglesP2",i, 6, iN[0],iN[1],iN[2],iN[3],iN[4],iN[5] );
}
}
/* Read quadrangles */
const int quadIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbQuad = GmfStatKwd(meshID, GmfQuadrilaterals))
{
GmfGotoKwd(meshID, GmfQuadrilaterals);
for ( int i = 1; i <= nbQuad; ++i )
{
GmfGetLin(meshID, GmfQuadrilaterals, &iN[0], &iN[1], &iN[2], &iN[3], &ref);
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] );
}
}
/* Read bi-quadratic quadrangles */
const int quad2IDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbQuad = GmfStatKwd(meshID, GmfQuadrilateralsQ2))
{
GmfGotoKwd(meshID, GmfQuadrilateralsQ2);
for ( int i = 1; i <= nbQuad; ++i )
{
GmfGetLin(meshID, GmfQuadrilateralsQ2,
&iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &iN[5], &iN[6], &iN[7], &iN[8], &ref);
if ( !myMesh->AddFaceWithID( iN[0],iN[1],iN[2],iN[3],iN[4],iN[5],iN[6],iN[7],iN[8],
quad2IDShift + i ))
status = storeBadNodeIds( "GmfQuadrilateralsQ2",i,
9, iN[0],iN[1],iN[2],iN[3],iN[4],iN[5],iN[6],iN[7],iN[8] );
}
}
/* Read terahedra */
const int tetIDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbTet = GmfStatKwd(meshID, GmfTetrahedra))
{
GmfGotoKwd(meshID, GmfTetrahedra);
for ( int i = 1; i <= nbTet; ++i )
{
GmfGetLin(meshID, GmfTetrahedra, &iN[0], &iN[1], &iN[2], &iN[3], &ref);
if ( !myMesh->AddVolumeWithID( iN[0], iN[2], iN[1], iN[3], tetIDShift + i ))
status = storeBadNodeIds( "GmfTetrahedra",i, 4, iN[0], iN[1],iN[2], iN[3] );
}
}
/* Read quadratic terahedra */
const int tet2IDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbTet = GmfStatKwd(meshID, GmfTetrahedraP2))
{
GmfGotoKwd(meshID, GmfTetrahedraP2);
for ( int i = 1; i <= nbTet; ++i )
{
GmfGetLin(meshID, GmfTetrahedraP2, &iN[0], &iN[1], &iN[2],
&iN[3], &iN[4], &iN[5], &iN[6], &iN[7], &iN[8], &iN[9], &ref);
if ( !myMesh->AddVolumeWithID( iN[0],iN[2],iN[1],iN[3],
iN[6],iN[5],iN[4],
iN[7],iN[9],iN[8], tet2IDShift + i ))
status = storeBadNodeIds( "GmfTetrahedraP2",i, 10, iN[0],iN[1],iN[2],iN[3],
iN[4],iN[5],iN[6],iN[7],iN[8],iN[9] );
}
}
/* 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))
{
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);
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[1],iN[2], iN[3], iN[4], iN[7], iN[6], iN[5] );
}
}
/* Read tri-quadratic hexahedra */
const int hex2IDShift = myMesh->GetMeshInfo().NbElements();
if ( int nbHex = GmfStatKwd(meshID, GmfHexahedraQ2))
{
GmfGotoKwd(meshID, GmfHexahedraQ2);
for ( int i = 1; i <= nbHex; ++i )
{
GmfGetLin(meshID, GmfHexahedraQ2, &iN[0], &iN[1], &iN[2], &iN[3], &iN[4], &iN[5],
&iN[6], &iN[7], &iN[8],&iN[9],&iN[10],&iN[11],&iN[12],&iN[13],&iN[14],
&iN[15],&iN[16],&iN[17],&iN[18],&iN[19],&iN[20],&iN[21],&iN[22],&iN[23],
&iN[24],&iN[25],&iN[26], &ref);
if ( !myMesh->AddVolumeWithID( iN[0],iN[3],iN[2],iN[1],iN[4],iN[7],iN[6],iN[5],iN[11],iN[10],
iN[9],iN[8],iN[12],iN[15],iN[14], iN[13],iN[19],iN[18],iN[17],
iN[16],iN[20],iN[24],iN[23],iN[22],iN[21], iN[25],iN[26],
hex2IDShift + i ))
status = storeBadNodeIds( "GmfHexahedraQ2",i, 27,
iN[0],iN[3],iN[2],iN[1],iN[4], iN[7],iN[6],iN[5],iN[11],iN[10],
iN[9],iN[8],iN[12],iN[15],iN[14], iN[13],iN[19],iN[18],iN[17],
iN[16],iN[20],iN[24],iN[23],iN[22],iN[21], iN[25],iN[26]);
}
}
/* 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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