/**
* The DAT format contains "datasets" and each dataset has N-outputs. One output
* represents data for all vertices/faces for one timestep
*
* in TUFLOW results there could be also a special timestep (99999) with maximums
* we will put it into a separate dataset with name suffixed with "/Maximums"
*
* In MDAL we convert one output to one MDAL dataset;
*
*/
void MDAL::DriverBinaryDat::load( const std::string &datFile, MDAL::Mesh *mesh, MDAL_Status *status )
{
mDatFile = datFile;
if ( status ) *status = MDAL_Status::None;
if ( !MDAL::fileExists( mDatFile ) )
{
if ( status ) *status = MDAL_Status::Err_FileNotFound;
return;
}
std::ifstream in( mDatFile, std::ifstream::in | std::ifstream::binary );
// implementation based on information from:
// http://www.xmswiki.com/wiki/SMS:Binary_Dataset_Files_*.dat
if ( !in )
EXIT_WITH_ERROR( MDAL_Status::Err_FileNotFound ); // Couldn't open the file
size_t vertexCount = mesh->verticesCount();
size_t elemCount = mesh->facesCount();
int card = 0;
int version;
int objecttype;
int sflt;
int sflg = 0;
int vectype;
int objid;
int numdata;
int numcells;
char name[40];
char istat;
float time;
if ( read( in, reinterpret_cast< char * >( &version ), 4 ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
if ( version != CT_VERSION ) // Version should be 3000
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
std::shared_ptr<DatasetGroup> group = std::make_shared< DatasetGroup >(
mesh,
mDatFile
); // DAT datasets
group->setIsOnVertices( true );
// in TUFLOW results there could be also a special timestep (99999) with maximums
// we will put it into a separate dataset
std::shared_ptr<DatasetGroup> groupMax = std::make_shared< DatasetGroup >(
mesh,
mDatFile
);
groupMax->setIsOnVertices( true );
while ( card != CT_ENDDS )
{
if ( read( in, reinterpret_cast< char * >( &card ), 4 ) )
{
// We've reached the end of the file and there was no ends card
break;
}
switch ( card )
{
case CT_OBJTYPE:
// Object type
if ( read( in, reinterpret_cast< char * >( &objecttype ), 4 ) || objecttype != CT_2D_MESHES )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
break;
case CT_SFLT:
// Float size
if ( read( in, reinterpret_cast< char * >( &sflt ), 4 ) || sflt != CT_FLOAT_SIZE )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
break;
case CT_SFLG:
// Flag size
if ( read( in, reinterpret_cast< char * >( &sflg ), 4 ) )
if ( sflg != CF_FLAG_SIZE && sflg != CF_FLAG_INT_SIZE )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
break;
case CT_BEGSCL:
group->setIsScalar( true );
groupMax->setIsScalar( true );
break;
case CT_BEGVEC:
group->setIsScalar( false );
groupMax->setIsScalar( false );
break;
case CT_VECTYPE:
// Vector type
if ( read( in, reinterpret_cast< char * >( &vectype ), 4 ) || vectype != 0 )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
break;
case CT_OBJID:
// Object id
if ( read( in, reinterpret_cast< char * >( &objid ), 4 ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
break;
case CT_NUMDATA:
// Num data
if ( read( in, reinterpret_cast< char * >( &numdata ), 4 ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
if ( numdata != static_cast< int >( vertexCount ) )
EXIT_WITH_ERROR( MDAL_Status::Err_IncompatibleMesh );
break;
case CT_NUMCELLS:
// Num data
if ( read( in, reinterpret_cast< char * >( &numcells ), 4 ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
if ( numcells != static_cast< int >( elemCount ) )
EXIT_WITH_ERROR( MDAL_Status::Err_IncompatibleMesh );
break;
case CT_NAME:
// Name
if ( read( in, reinterpret_cast< char * >( &name ), 40 ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
if ( name[39] != 0 )
name[39] = 0;
group->setName( trim( std::string( name ) ) );
groupMax->setName( group->name() + "/Maximums" );
break;
case CT_TS:
// Time step!
if ( readIStat( in, sflg, &istat ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
if ( read( in, reinterpret_cast< char * >( &time ), 4 ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
double t = static_cast<double>( time );
if ( readVertexTimestep( mesh, group, groupMax, t, istat, sflg, in ) )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
break;
}
}
if ( !group || group->datasets.size() == 0 )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
group->setStatistics( MDAL::calculateStatistics( group ) );
mesh->datasetGroups.push_back( group );
if ( groupMax && groupMax->datasets.size() > 0 )
{
groupMax->setStatistics( MDAL::calculateStatistics( groupMax ) );
mesh->datasetGroups.push_back( groupMax );
}
}
/**
* The DAT format contains "datasets" and each dataset has N-outputs. One output
* represents data for all vertices/faces for one timestep
*
* In MDAL we convert one output to one MDAL dataset;
*
*/
void MDAL::LoaderAsciiDat::load( MDAL::Mesh *mesh, MDAL_Status *status )
{
if ( status ) *status = MDAL_Status::None;
if ( !MDAL::fileExists( mDatFile ) )
{
if ( status ) *status = MDAL_Status::Err_FileNotFound;
return;
}
std::ifstream in( mDatFile, std::ifstream::in );
std::string line;
if ( !std::getline( in, line ) )
{
if ( status ) *status = MDAL_Status::Err_UnknownFormat;
return;
}
line = trim( line );
// http://www.xmswiki.com/xms/SMS:ASCII_Dataset_Files_*.dat
// Apart from the format specified above, there is an older supported format used in BASEMENT (and SMS?)
// which is simpler (has only one dataset in one file, no status flags etc)
bool oldFormat;
bool isVector = false;
std::shared_ptr<DatasetGroup> group; // DAT outputs data
std::string name( MDAL::baseName( mDatFile ) );
if ( line == "DATASET" )
oldFormat = false;
else if ( line == "SCALAR" || line == "VECTOR" )
{
oldFormat = true;
isVector = ( line == "VECTOR" );
group.reset( new DatasetGroup() );
group->uri = mDatFile;
group->setName( name );
group->isScalar = !isVector;
}
else
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
// see if it contains face-centered results - supported by BASEMENT
bool faceCentered = false;
if ( !oldFormat && contains( name, "_els_" ) )
faceCentered = true;
if ( group )
group->isOnVertices = !faceCentered;
while ( std::getline( in, line ) )
{
std::vector<std::string> items = split( line, " ", SplitBehaviour::SkipEmptyParts );
if ( items.size() < 1 )
continue; // empty line?? let's skip it
std::string cardType = items[0];
if ( cardType == "ND" && items.size() >= 2 )
{
size_t fileNodeCount = toSizeT( items[1] );
if ( mesh->vertexIDtoIndex.size() != fileNodeCount )
EXIT_WITH_ERROR( MDAL_Status::Err_IncompatibleMesh );
}
else if ( !oldFormat && cardType == "NC" && items.size() >= 2 )
{
size_t fileElemCount = toSizeT( items[1] );
if ( mesh->faceIDtoIndex.size() != fileElemCount )
EXIT_WITH_ERROR( MDAL_Status::Err_IncompatibleMesh );
}
else if ( !oldFormat && cardType == "OBJTYPE" )
{
if ( items[1] != "mesh2d" && items[1] != "\"mesh2d\"" )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
}
else if ( !oldFormat && ( cardType == "BEGSCL" || cardType == "BEGVEC" ) )
{
if ( group )
{
debug( "New dataset while previous one is still active!" );
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
}
isVector = cardType == "BEGVEC";
group.reset( new DatasetGroup() );
group->uri = mDatFile;
group->setName( name );
group->isScalar = !isVector;
group->isOnVertices = !faceCentered;
}
else if ( !oldFormat && cardType == "ENDDS" )
{
if ( !group )
{
debug( "ENDDS card for no active dataset!" );
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
}
mesh->datasetGroups.push_back( group );
group.reset();
}
else if ( !oldFormat && cardType == "NAME" && items.size() >= 2 )
{
if ( !group )
{
debug( "NAME card for no active dataset!" );
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
}
size_t quoteIdx1 = line.find( '\"' );
size_t quoteIdx2 = line.find( '\"', quoteIdx1 + 1 );
if ( quoteIdx1 != std::string::npos && quoteIdx2 != std::string::npos )
group->setName( line.substr( quoteIdx1 + 1, quoteIdx2 - quoteIdx1 - 1 ) );
}
else if ( oldFormat && ( cardType == "SCALAR" || cardType == "VECTOR" ) )
{
// just ignore - we know the type from earlier...
}
else if ( cardType == "TS" && items.size() >= ( oldFormat ? 2 : 3 ) )
{
double t = toDouble( items[oldFormat ? 1 : 2] );
if ( faceCentered )
{
readFaceTimestep( mesh, group, t, isVector, in );
}
else
{
bool hasStatus = ( oldFormat ? false : toBool( items[1] ) );
readVertexTimestep( mesh, group, t, isVector, hasStatus, in );
}
}
else
{
std::stringstream str;
str << " Unknown card:" << line;
debug( str.str() );
}
}
if ( oldFormat )
{
if ( !group || group->datasets.size() == 0 )
EXIT_WITH_ERROR( MDAL_Status::Err_UnknownFormat );
mesh->datasetGroups.push_back( group );
group.reset();
}
}
