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0021208: Performance issue when loading SMESH with an hdf file containing a big mesh

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Fix reading nodes from a new HDF file (attempt #2)
This commit is contained in:
eap 2012-03-14 15:20:31 +00:00
parent c080bab83c
commit c668696b87
1 changed files with 9 additions and 8 deletions
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17
src/SMESH_I/SMESH_PreMeshInfo.cxx
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@ -342,23 +342,24 @@ void SMESH_PreMeshInfo::hdf2meshInfo( const std::string& name,
HDFdataset* dataset = new HDFdataset( name.c_str(), hdfGroup ); HDFdataset* dataset = new HDFdataset( name.c_str(), hdfGroup );
dataset->OpenOnDisk(); dataset->OpenOnDisk();
// hdf_size datasetSize[ 1 ]; // // hdf_size datasetSize[ 1 ];
// HDFarray *array = new HDFarray(dataset); // // HDFarray *array = new HDFarray(dataset);
// array->GetDim( datasetSize ); // // array->GetDim( datasetSize );
int size = dataset->GetSize(); // int size = dataset->GetSize();
int info[ SMDSEntity_Last * 2 ]; vector<int> info( SMDSEntity_Last * 2, 0 );
dataset->ReadFromDisk( info ); dataset->ReadFromDisk( &info[0] );
dataset->CloseOnDisk(); dataset->CloseOnDisk();
const Tmed2smeshElemTypeMap& med2smesh = med2smeshElemTypeMap(); const Tmed2smeshElemTypeMap& med2smesh = med2smeshElemTypeMap();
Tmed2smeshElemTypeMap::const_iterator me2sme, me2smeEnd = med2smesh.end(); Tmed2smeshElemTypeMap::const_iterator me2sme, me2smeEnd = med2smesh.end();
for ( int i = 0; i < size /**datasetSize*/; ) for ( size_t i = 0; i < info.size(); )
{ {
int medType = info[i++]; int medType = info[i++];
int nbElems = info[i++]; int nbElems = info[i++];
if ( !nbElems ) break;
me2sme = med2smesh.find( (MED::EGeometrieElement) medType ); me2sme = med2smesh.find( (MED::EGeometrieElement) medType );
if ( me2sme != me2smeEnd && nbElems ) if ( me2sme != me2smeEnd )
setNb( me2sme->second, nbElems ); setNb( me2sme->second, nbElems );
} }
} }