--- /dev/null
+// 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_Write.hxx"
+
+#include "SMESHDS_Group.hxx"
+#include "SMESHDS_Mesh.hxx"
+#include "SMESH_Comment.hxx"
+
+extern "C"
+{
+#include "libmesh5.h"
+}
+
+#include <stdarg.h>
+
+// --------------------------------------------------------------------------------
+// Closing GMF mesh at destruction
+DriverGMF_MeshCloser::~DriverGMF_MeshCloser()
+{
+ if ( _gmfMeshID )
+ GmfCloseMesh( _gmfMeshID );
+}
+// --------------------------------------------------------------------------------
+DriverGMF_Read::DriverGMF_Read():
+ Driver_SMESHDS_Mesh()
+{
+}
+// --------------------------------------------------------------------------------
+DriverGMF_Read::~DriverGMF_Read()
+{
+}
+
+//================================================================================
+/*!
+ * \brief Read a GMF file
+ */
+//================================================================================
+
+Driver_Mesh::Status DriverGMF_Read::Perform()
+{
+ Status status = DRS_OK;
+
+ int dim, version;
+
+ // open the file
+ int meshID = GmfOpenMesh( myFile.c_str(), GmfRead, &version, &dim );
+ if ( !meshID )
+ return addMessage( SMESH_Comment("Can't open for reading ") << 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
+
+ // 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;
+}
