moab::NCHelperDomain Class Reference

Child helper class for Domain grid. More...

#include <NCHelperDomain.hpp>

Inheritance diagram for moab::NCHelperDomain:

Collaboration diagram for moab::NCHelperDomain:

Public Member Functions
	NCHelperDomain (ReadNC *readNC, int fileId, const FileOptions &opts, EntityHandle fileSet)
ErrorCode	create_mesh (Range &faces)
	Implementation of NCHelper::create_mesh() More...
Public Member Functions inherited from moab::ScdNCHelper
	ScdNCHelper (ReadNC *readNC, int fileId, const FileOptions &opts, EntityHandle fileSet)
virtual	~ScdNCHelper ()
Public Member Functions inherited from moab::NCHelper
	NCHelper (ReadNC *readNC, int fileId, const FileOptions &opts, EntityHandle fileSet)
virtual	~NCHelper ()
ErrorCode	create_conventional_tags (const std::vector< int > &tstep_nums)
	Create NC conventional tags. More...
ErrorCode	update_time_tag_vals ()
	Update time tag values if timesteps spread across files. More...

Static Public Member Functions
static bool	can_read_file (ReadNC *readNC, int fileId)
Static Public Member Functions inherited from moab::NCHelper
static ReadNC::NCFormatType	get_nc_format (ReadNC *readNC, int fileId)
	Get appropriate format to read the file. More...
static std::string	get_default_ncformat_options (ReadNC::NCFormatType format)
	Get appropriate format to read the file. More...
static NCHelper *	get_nc_helper (ReadNC *readNC, int fileId, const FileOptions &opts, EntityHandle fileSet)
	Get appropriate helper instance for ReadNC class. More...

Private Member Functions
virtual ErrorCode	init_mesh_vals ()
	Interfaces to be implemented in child classes. More...
virtual std::string	get_mesh_type_name ()

Private Attributes
int	nv
int	nvDim

Additional Inherited Members
Protected Member Functions inherited from moab::NCHelper
ErrorCode	read_variables_setup (std::vector< std::string > &var_names, std::vector< int > &tstep_nums, std::vector< ReadNC::VarData > &vdatas, std::vector< ReadNC::VarData > &vsetdatas)
	Separate set and non-set variables (common to scd mesh and ucd mesh) More...
ErrorCode	read_variables_to_set (std::vector< ReadNC::VarData > &vdatas, std::vector< int > &tstep_nums)
	Read set variables (common to scd mesh and ucd mesh) More...
ErrorCode	read_coordinate (const char *var_name, int lmin, int lmax, std::vector< double > &cvals)
ErrorCode	get_tag_to_set (ReadNC::VarData &var_data, int tstep_num, Tag &tagh)
ErrorCode	get_tag_to_nonset (ReadNC::VarData &var_data, int tstep_num, Tag &tagh, int num_lev)
ErrorCode	create_attrib_string (const std::map< std::string, ReadNC::AttData > &attMap, std::string &attString, std::vector< int > &attLen)
	Create a character string attString of attMap. with '\0' terminating each attribute name, ';' separating the data type and value, and ';' separating one name/data type/value from the next'. attLen stores the end position for each name/data type/ value. More...
ErrorCode	create_dummy_variables ()
	For a dimension that does not have a corresponding coordinate variable (e.g. ncol for HOMME), create a dummy variable with a sparse tag to store the dimension length. More...
Protected Attributes inherited from moab::ScdNCHelper
int	gDims [6]
	Dimensions of global grid in file. More...
int	lDims [6]
	Dimensions of my local part of grid. More...
int	gCDims [6]
	Center dimensions of global grid in file. More...
int	lCDims [6]
	Center dimensions of my local part of grid. More...
std::vector< double >	ilVals
	Values for i/j. More...
std::vector< double >	jlVals
std::vector< double >	ilCVals
	Center values for i/j. More...
std::vector< double >	jlCVals
int	iDim
	Dimension numbers for i/j. More...
int	jDim
int	iCDim
	Center dimension numbers for i/j. More...
int	jCDim
int	locallyPeriodic [3]
	Whether mesh is locally periodic in i or j or k. More...
int	globallyPeriodic [3]
	Whether mesh is globally periodic in i or j or k. More...
Protected Attributes inherited from moab::NCHelper
ReadNC *	_readNC
	Allow NCHelper to directly access members of ReadNC. More...
int	_fileId
	Cache some information from ReadNC. More...
const FileOptions &	_opts
EntityHandle	_fileSet
int	nTimeSteps
	Dimensions of time and level. More...
int	nLevels
std::vector< double >	tVals
	Values for time and level. More...
std::vector< double >	levVals
int	tDim
	Dimension numbers for time and level. More...
int	levDim
std::set< std::string >	ignoredVarNames
	Ignored variables. More...
std::set< std::string >	dummyVarNames
	Dummy variables. More...

Detailed Description

Child helper class for Domain grid.

Definition at line 16 of file NCHelperDomain.hpp.

Constructor & Destructor Documentation

NCHelperDomain()

moab::NCHelperDomain::NCHelperDomain ( ReadNC *  readNC, int  fileId, const FileOptions &  opts, EntityHandle  fileSet  )

inline

Definition at line 19 of file NCHelperDomain.hpp.

 : ScdNCHelper( readNC, fileId, opts, fileSet )
 {
 }

Member Function Documentation

can_read_file()

bool moab::NCHelperDomain::can_read_file ( ReadNC *  readNC, int  fileId  )

static

Definition at line 15 of file NCHelperDomain.cpp.

{
 std::vector< std::string >& dimNames = readNC->dimNames;
 
 // If dimension names "n" AND "ni" AND "nj" AND "nv" exist then it should be the Domain grid
 if( ( std::find( dimNames.begin(), dimNames.end(), std::string( "n" ) ) != dimNames.end() ) &&
 ( std::find( dimNames.begin(), dimNames.end(), std::string( "ni" ) ) != dimNames.end() ) &&
 ( std::find( dimNames.begin(), dimNames.end(), std::string( "nj" ) ) != dimNames.end() ) &&
 ( std::find( dimNames.begin(), dimNames.end(), std::string( "nv" ) ) != dimNames.end() ) )
 {
 // Make sure it is CAM grid
 std::map< std::string, ReadNC::AttData >::iterator attIt = readNC->globalAtts.find( "source" );
 if( attIt == readNC->globalAtts.end() ) return false;
 unsigned int sz = attIt->second.attLen;
 std::string att_data;
 att_data.resize( sz + 1 );
 att_data[sz] = '\000';
 int success =
 NCFUNC( get_att_text )( fileId, attIt->second.attVarId, attIt->second.attName.c_str(), &att_data[0] );
 if( success ) return false;
 /*if (att_data.find("CAM") == std::string::npos)
 return false;*/
 
 return true;
 }
 
 return false;
}

References moab::ReadNC::dimNames, moab::ReadNC::globalAtts, and NCFUNC.

Referenced by moab::NCHelper::get_nc_format().

create_mesh()

ErrorCode moab::NCHelperDomain::create_mesh ( Range &  faces )

virtual

Implementation of NCHelper::create_mesh()

Reimplemented from moab::ScdNCHelper.

Definition at line 237 of file NCHelperDomain.cpp.

{
 Interface*& mbImpl = _readNC->mbImpl;
 // std::string& fileName = _readNC->fileName;
 Tag& mGlobalIdTag = _readNC->mGlobalIdTag;
 // const Tag*& mpFileIdTag = _readNC->mpFileIdTag;
 DebugOutput& dbgOut = _readNC->dbgOut;
 /*int& gatherSetRank = _readNC->gatherSetRank;
 int& trivialPartitionShift = _readNC->trivialPartitionShift;*/
 /*
 
 int rank = 0;
 int procs = 1;
 #ifdef MOAB_HAVE_MPI
 bool& isParallel = _readNC->isParallel;
 if (isParallel) {
 ParallelComm*& myPcomm = _readNC->myPcomm;
 rank = myPcomm->proc_config().proc_rank();
 procs = myPcomm->proc_config().proc_size();
 }
 #endif
 */
 
 ErrorCode rval;
 int success = 0;
 
 /*
 bool create_gathers = false;
 if (rank == gatherSetRank)
 create_gathers = true;
 
 // Shift rank to obtain a rotated trivial partition
 int shifted_rank = rank;
 if (procs >= 2 && trivialPartitionShift > 0)
 shifted_rank = (rank + trivialPartitionShift) % procs;*/
 
 // how many will have mask 0 or 1
 // how many will have a fraction ? we will not instantiate all elements; only those with mask 1
 // ? also, not all vertices, only those that belong to mask 1 elements ? we will not care about
 // duplicate vertices; maybe another time ? we will start reading masks, vertices
 int local_elems = ( lDims[4] - lDims[1] ) * ( lDims[3] - lDims[0] );
 dbgOut.tprintf( 1, "local cells: %d \n", local_elems );
 
 // count how many will be with mask 1 here
 // basically, read the mask variable on the local elements;
 std::string maskstr( "mask" );
 ReadNC::VarData& vmask = _readNC->varInfo[maskstr];
 
 // mask is (nj, ni)
 vmask.readStarts.push_back( lDims[1] );
 vmask.readStarts.push_back( lDims[0] );
 vmask.readCounts.push_back( lDims[4] - lDims[1] );
 vmask.readCounts.push_back( lDims[3] - lDims[0] );
 std::vector< int > mask( local_elems );
 success = NCFUNCAG( _vara_int )( _fileId, vmask.varId, &vmask.readStarts[0], &vmask.readCounts[0], &mask[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read int data for mask variable " );
 
 int nb_with_mask1 = 0;
 for( int i = 0; i < local_elems; i++ )
 if( 1 == mask[i] ) nb_with_mask1++;
 
 dbgOut.tprintf( 1, "local cells with mask 1: %d \n", nb_with_mask1 );
 std::vector< NCDF_SIZE > startsv( 3 );
 startsv[0] = vmask.readStarts[0];
 startsv[1] = vmask.readStarts[1];
 startsv[2] = 0;
 std::vector< NCDF_SIZE > countsv( 3 );
 countsv[0] = vmask.readCounts[0];
 countsv[1] = vmask.readCounts[1];
 countsv[2] = nv; // number of vertices per element
 
 // read xv and yv coords for vertices, and create elements;
 std::string xvstr( "xv" );
 ReadNC::VarData& var_xv = _readNC->varInfo[xvstr];
 std::vector< double > xv( local_elems * nv );
 success = NCFUNCAG( _vara_double )( _fileId, var_xv.varId, &startsv[0], &countsv[0], &xv[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read double data for xv variable " );
 
 std::string yvstr( "yv" );
 ReadNC::VarData& var_yv = _readNC->varInfo[yvstr];
 std::vector< double > yv( local_elems * nv );
 success = NCFUNCAG( _vara_double )( _fileId, var_yv.varId, &startsv[0], &countsv[0], &yv[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read double data for yv variable " );
 
 // read other variables, like xc, yc, frac, area
 std::string xcstr( "xc" );
 ReadNC::VarData& var_xc = _readNC->varInfo[xcstr];
 std::vector< double > xc( local_elems );
 success = NCFUNCAG( _vara_double )( _fileId, var_xc.varId, &vmask.readStarts[0], &vmask.readCounts[0], &xc[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read double data for xc variable " );
 
 std::string ycstr( "yc" );
 ReadNC::VarData& var_yc = _readNC->varInfo[ycstr];
 std::vector< double > yc( local_elems );
 success = NCFUNCAG( _vara_double )( _fileId, var_yc.varId, &vmask.readStarts[0], &vmask.readCounts[0], &yc[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read double data for yc variable " );
 
 std::string fracstr( "frac" );
 ReadNC::VarData& var_frac = _readNC->varInfo[fracstr];
 std::vector< double > frac( local_elems );
 success = NCFUNCAG( _vara_double )( _fileId, var_frac.varId, &vmask.readStarts[0], &vmask.readCounts[0], &frac[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read double data for frac variable " );
 std::string areastr( "area" );
 ReadNC::VarData& var_area = _readNC->varInfo[areastr];
 std::vector< double > area( local_elems );
 success = NCFUNCAG( _vara_double )( _fileId, var_area.varId, &vmask.readStarts[0], &vmask.readCounts[0], &area[0] );
 if( success ) MB_SET_ERR( MB_FAILURE, "Failed to read double data for area variable " );
 // create tags for them
 Tag areaTag, fracTag, xcTag, ycTag;
 rval = mbImpl->tag_get_handle( "area", 1, MB_TYPE_DOUBLE, areaTag, MB_TAG_DENSE | MB_TAG_CREAT );MB_CHK_SET_ERR( rval, "Trouble creating area tag" );
 rval = mbImpl->tag_get_handle( "frac", 1, MB_TYPE_DOUBLE, fracTag, MB_TAG_DENSE | MB_TAG_CREAT );MB_CHK_SET_ERR( rval, "Trouble creating frac tag" );
 rval = mbImpl->tag_get_handle( "xc", 1, MB_TYPE_DOUBLE, xcTag, MB_TAG_DENSE | MB_TAG_CREAT );MB_CHK_SET_ERR( rval, "Trouble creating xc tag" );
 rval = mbImpl->tag_get_handle( "yc", 1, MB_TYPE_DOUBLE, ycTag, MB_TAG_DENSE | MB_TAG_CREAT );MB_CHK_SET_ERR( rval, "Trouble creating yc tag" );
 
 //
 EntityHandle* conn_arr;
 EntityHandle vtx_handle;
 Range tmp_range;
 
 // set connectivity into that space
 
 EntityHandle start_cell;
 EntityType mdb_type = MBVERTEX;
 if( nv == 3 )
 mdb_type = MBTRI;
 else if( nv == 4 )
 mdb_type = MBQUAD;
 else if( nv > 4 ) // (nv > 4)
 mdb_type = MBPOLYGON;
 // for nv = 1 , type is vertex
 
 if( nv > 1 && nb_with_mask1 > 0 )
 {
 rval = _readNC->readMeshIface->get_element_connect( nb_with_mask1, nv, mdb_type, 0, start_cell, conn_arr );MB_CHK_SET_ERR( rval, "Failed to create local cells" );
 tmp_range.insert( start_cell, start_cell + nb_with_mask1 - 1 );
 }
 
 // Create vertices; first identify different ones, with a tolerance
 std::map< Node3D, EntityHandle > vertex_map;
 
 if( nb_with_mask1 > 0 )
 {
 // Set vertex coordinates
 // will read all xv, yv, but use only those with correct mask on
 
 int elem_index = 0; // total index in netcdf arrays
 const double pideg = acos( -1.0 ) / 180.0;
 
 for( ; elem_index < local_elems; elem_index++ )
 {
 if( 0 == mask[elem_index] ) continue; // nothing to do, do not advance elem_index in actual moab arrays
 // set area and fraction on those elements too
 for( int k = 0; k < nv; k++ )
 {
 int index_v_arr = nv * elem_index + k;
 double x, y;
 if( nv > 1 )
 {
 x = xv[index_v_arr];
 y = yv[index_v_arr];
 double cosphi = cos( pideg * y );
 double zmult = sin( pideg * y );
 double xmult = cosphi * cos( x * pideg );
 double ymult = cosphi * sin( x * pideg );
 Node3D pt( xmult, ymult, zmult );
 vertex_map[pt] = 0;
 }
 else
 {
 x = xc[elem_index];
 y = yc[elem_index];
 Node3D pt( x, y, 0 );
 vertex_map[pt] = 0;
 }
 }
 }
 int nLocalVertices = (int)vertex_map.size();
 std::vector< double* > arrays;
 EntityHandle start_vertex;
 rval = _readNC->readMeshIface->get_node_coords( 3, nLocalVertices, 0, start_vertex, arrays );MB_CHK_SET_ERR( rval, "Failed to create local vertices" );
 
 vtx_handle = start_vertex;
 // Copy vertex coordinates into entity sequence coordinate arrays
 // and copy handle into vertex_map.
 double *x = arrays[0], *y = arrays[1], *z = arrays[2];
 for( auto i = vertex_map.begin(); i != vertex_map.end(); ++i )
 {
 i->second = vtx_handle;
 ++vtx_handle;
 *x = i->first.coords[0];
 ++x;
 *y = i->first.coords[1];
 ++y;
 *z = i->first.coords[2];
 ++z;
 }
 
 // int nj = gDims[4]-gDims[1]; // is it about 1 in irregular cases
 
 // int local_row_size = lCDims[3] - lCDims[0];
 int global_row_size = gDims[3] - gDims[0]; // this is along
 elem_index = -1;
 int index = 0; // consider the mask for advancing in moab arrays;
 
 // create now vertex arrays, size vertex_map.size()
 for( int j = lCDims[1]; j < lCDims[4]; j++ )
 for( int i = lCDims[0]; i < lCDims[3]; i++ )
 {
 elem_index++;
 if( 0 == mask[elem_index] ) continue; // nothing to do, do not advance elem_index in actual moab arrays
 // set area and fraction on those elements too
 for( int k = 0; k < nv; k++ )
 {
 int index_v_arr = nv * elem_index + k;
 if( nv > 1 )
 {
 double x = xv[index_v_arr];
 double y = yv[index_v_arr];
 double cosphi = cos( pideg * y );
 double zmult = sin( pideg * y );
 double xmult = cosphi * cos( x * pideg );
 double ymult = cosphi * sin( x * pideg );
 Node3D pt( xmult, ymult, zmult );
 conn_arr[index * nv + k] = vertex_map[pt];
 }
 }
 EntityHandle cell = start_vertex + index;
 if( nv > 1 ) cell = start_cell + index;
 // set other tags, like xc, yc, frac, area
 rval = mbImpl->tag_set_data( xcTag, &cell, 1, &xc[elem_index] );MB_CHK_SET_ERR( rval, "Failed to set xc tag" );
 rval = mbImpl->tag_set_data( ycTag, &cell, 1, &yc[elem_index] );MB_CHK_SET_ERR( rval, "Failed to set yc tag" );
 rval = mbImpl->tag_set_data( areaTag, &cell, 1, &area[elem_index] );MB_CHK_SET_ERR( rval, "Failed to set area tag" );
 rval = mbImpl->tag_set_data( fracTag, &cell, 1, &frac[elem_index] );MB_CHK_SET_ERR( rval, "Failed to set frac tag" );
 
 // set the global id too:
 int globalId = j * global_row_size + i + 1;
 rval = mbImpl->tag_set_data( mGlobalIdTag, &cell, 1, &globalId );MB_CHK_SET_ERR( rval, "Failed to set global id tag" );
 index++;
 }
 
 rval = mbImpl->add_entities( _fileSet, tmp_range );MB_CHK_SET_ERR( rval, "Failed to add new cells to current file set" );
 
 // modify local file set, to merge coincident vertices, and to correct repeated vertices in elements
 std::vector< Tag > tagList;
 tagList.push_back( mGlobalIdTag );
 tagList.push_back( xcTag );
 tagList.push_back( ycTag );
 tagList.push_back( areaTag );
 tagList.push_back( fracTag );
 rval = IntxUtils::remove_padded_vertices( mbImpl, _fileSet, tagList );MB_CHK_SET_ERR( rval, "Failed to remove duplicate vertices" );
 
 rval = mbImpl->get_entities_by_dimension( _fileSet, 2, faces );MB_CHK_ERR( rval );
 Range all_verts;
 rval = mbImpl->get_connectivity( faces, all_verts );MB_CHK_ERR( rval );
 //printf(" range vert size :%ld \n", all_verts.size());
 rval = mbImpl->add_entities( _fileSet, all_verts );MB_CHK_ERR( rval );
 
 // need to add adjacencies; TODO: fix this for all nc readers
 // copy this logic from migrate mesh in par comm graph
 Core* mb = (Core*)mbImpl;
 AEntityFactory* adj_fact = mb->a_entity_factory();
 if( !adj_fact->vert_elem_adjacencies() )
 adj_fact->create_vert_elem_adjacencies();
 else
 {
 for( Range::iterator it = faces.begin(); it != faces.end(); ++it )
 {
 EntityHandle eh = *it;
 const EntityHandle* conn = NULL;
 int num_nodes = 0;
 rval = mb->get_connectivity( eh, conn, num_nodes );MB_CHK_ERR( rval );
 adj_fact->notify_create_entity( eh, conn, num_nodes );
 }
 }
 }
 
#ifdef MOAB_HAVE_MPI
 ParallelComm*& myPcomm = _readNC->myPcomm;
 if( myPcomm )
 {
 double tol = 1.e-12; // this is the same as static tolerance in NCHelper
 ParallelMergeMesh pmm( myPcomm, tol );
 rval = pmm.merge( _fileSet,
 /* do not do local merge*/ false,
 /* 2d cells*/ 2 );MB_CHK_SET_ERR( rval, "Failed to merge vertices in parallel" );
 
 // assign global ids only for vertices, cells have them fine
 rval = myPcomm->assign_global_ids( _fileSet, /*dim*/ 0 );MB_CHK_ERR( rval );
 }
#endif
 
 return MB_SUCCESS;
}

References moab::NCHelper::_fileId, moab::NCHelper::_fileSet, moab::NCHelper::_readNC, moab::Interface::add_entities(), moab::ParallelComm::assign_global_ids(), moab::Range::begin(), moab::AEntityFactory::create_vert_elem_adjacencies(), moab::ReadNC::dbgOut, moab::Range::end(), ErrorCode, moab::ScdNCHelper::gDims, moab::Interface::get_connectivity(), moab::ReadUtilIface::get_element_connect(), moab::Interface::get_entities_by_dimension(), moab::ReadUtilIface::get_node_coords(), moab::Range::insert(), moab::ScdNCHelper::lCDims, moab::ScdNCHelper::lDims, mb, MB_CHK_ERR, MB_CHK_SET_ERR, MB_SET_ERR, MB_SUCCESS, MB_TAG_CREAT, MB_TAG_DENSE, MB_TYPE_DOUBLE, moab::ReadNC::mbImpl, MBPOLYGON, MBQUAD, MBTRI, MBVERTEX, moab::ParallelMergeMesh::merge(), moab::ReadNC::mGlobalIdTag, NCFUNCAG, moab::AEntityFactory::notify_create_entity(), nv, moab::pideg, moab::ReadNC::VarData::readCounts, moab::ReadNC::readMeshIface, moab::ReadNC::VarData::readStarts, moab::IntxUtils::remove_padded_vertices(), moab::Interface::tag_get_handle(), moab::Interface::tag_set_data(), moab::DebugOutput::tprintf(), moab::ReadNC::VarData::varId, moab::ReadNC::varInfo, and moab::AEntityFactory::vert_elem_adjacencies().

get_mesh_type_name()

virtual std::string moab::NCHelperDomain::get_mesh_type_name ( )

inlineprivatevirtual

Implements moab::NCHelper.

Definition at line 29 of file NCHelperDomain.hpp.

 {
 return "DOMAIN";
 }

init_mesh_vals()

ErrorCode moab::NCHelperDomain::init_mesh_vals ( )

privatevirtual

Interfaces to be implemented in child classes.

Implements moab::NCHelper.

Definition at line 44 of file NCHelperDomain.cpp.

{
 Interface*& mbImpl = _readNC->mbImpl;
 std::vector< std::string >& dimNames = _readNC->dimNames;
 std::vector< int >& dimLens = _readNC->dimLens;
 std::map< std::string, ReadNC::VarData >& varInfo = _readNC->varInfo;
 DebugOutput& dbgOut = _readNC->dbgOut;
#ifdef MOAB_HAVE_MPI
 bool& isParallel = _readNC->isParallel;
#endif
 int& partMethod = _readNC->partMethod;
 ScdParData& parData = _readNC->parData;
 
 ErrorCode rval;
 
 // Look for names of i/j dimensions
 // First i
 std::vector< std::string >::iterator vit;
 unsigned int idx;
 if( ( vit = std::find( dimNames.begin(), dimNames.end(), "ni" ) ) != dimNames.end() )
 idx = vit - dimNames.begin();
 else
 {
 MB_SET_ERR( MB_FAILURE, "Couldn't find 'ni' variable" );
 }
 iDim = idx;
 gDims[0] = 0;
 gDims[3] = dimLens[idx];
 
 // Then j
 if( ( vit = std::find( dimNames.begin(), dimNames.end(), "nj" ) ) != dimNames.end() )
 idx = vit - dimNames.begin();
 else
 {
 MB_SET_ERR( MB_FAILURE, "Couldn't find 'nj' variable" );
 }
 jDim = idx;
 gDims[1] = 0;
 gDims[4] = dimLens[idx]; // Add 2 for the pole points ? not needed
 
 // do not use gcdims ? or use only gcdims?
 
 // Try a truly 2D mesh
 gDims[2] = -1;
 gDims[5] = -1;
 
 // Get number of vertices per cell
 if( ( vit = std::find( dimNames.begin(), dimNames.end(), "nv" ) ) != dimNames.end() )
 idx = vit - dimNames.begin();
 else
 {
 MB_SET_ERR( MB_FAILURE, "Couldn't find 'nv' dimension" );
 }
 nvDim = idx;
 nv = dimLens[idx];
 
 // Parse options to get subset
 int rank = 0, procs = 1;
#ifdef MOAB_HAVE_MPI
 if( isParallel )
 {
 ParallelComm*& myPcomm = _readNC->myPcomm;
 rank = myPcomm->proc_config().proc_rank();
 procs = myPcomm->proc_config().proc_size();
 }
#endif
 if( procs > 1 )
 {
 for( int i = 0; i < 6; i++ )
 parData.gDims[i] = gDims[i];
 parData.partMethod = partMethod;
 int pdims[3];
 
 locallyPeriodic[0] = locallyPeriodic[1] = locallyPeriodic[2] = 0;
 rval = ScdInterface::compute_partition( procs, rank, parData, lDims, locallyPeriodic, pdims );MB_CHK_ERR( rval );
 for( int i = 0; i < 3; i++ )
 parData.pDims[i] = pdims[i];
 
 dbgOut.tprintf( 1, "Partition: %dx%d (out of %dx%d)\n", lDims[3] - lDims[0], lDims[4] - lDims[1],
 gDims[3] - gDims[0], gDims[4] - gDims[1] );
 if( 0 == rank )
 dbgOut.tprintf( 1, "Contiguous chunks of size %d bytes.\n",
 8 * ( lDims[3] - lDims[0] ) * ( lDims[4] - lDims[1] ) );
 }
 else
 {
 for( int i = 0; i < 6; i++ )
 lDims[i] = gDims[i];
 locallyPeriodic[0] = globallyPeriodic[0];
 }
 
 // Now get actual coordinate values for vertices and cell centers
 lCDims[0] = lDims[0];
 
 lCDims[3] = lDims[3];
 
 // For FV models, will always be non-periodic in j
 lCDims[1] = lDims[1];
 lCDims[4] = lDims[4];
 
#if 0
 // Resize vectors to store values later
 if (-1 != lDims[0])
 ilVals.resize(lDims[3] - lDims[0] + 1);
 if (-1 != lCDims[0])
 ilCVals.resize(lCDims[3] - lCDims[0] + 1);
 if (-1 != lDims[1])
 jlVals.resize(lDims[4] - lDims[1] + 1);
 if (-1 != lCDims[1])
 jlCVals.resize(lCDims[4] - lCDims[1] + 1);
 if (nTimeSteps > 0)
 tVals.resize(nTimeSteps);
#endif
 
 dbgOut.tprintf( 1, "I=%d-%d, J=%d-%d\n", lDims[0], lDims[3], lDims[1], lDims[4] );
 dbgOut.tprintf( 1, "%d elements, %d vertices\n", ( lDims[3] - lDims[0] ) * ( lDims[4] - lDims[1] ),
 ( lDims[3] - lDims[0] ) * ( lDims[4] - lDims[1] ) * nv );
 
 // For each variable, determine the entity location type and number of levels
 std::map< std::string, ReadNC::VarData >::iterator mit;
 for( mit = varInfo.begin(); mit != varInfo.end(); ++mit )
 {
 ReadNC::VarData& vd = ( *mit ).second;
 
 // Default entLoc is ENTLOCSET
 if( std::find( vd.varDims.begin(), vd.varDims.end(), tDim ) != vd.varDims.end() )
 {
 if( ( std::find( vd.varDims.begin(), vd.varDims.end(), iCDim ) != vd.varDims.end() ) &&
 ( std::find( vd.varDims.begin(), vd.varDims.end(), jCDim ) != vd.varDims.end() ) )
 vd.entLoc = ReadNC::ENTLOCFACE;
 else if( ( std::find( vd.varDims.begin(), vd.varDims.end(), jDim ) != vd.varDims.end() ) &&
 ( std::find( vd.varDims.begin(), vd.varDims.end(), iCDim ) != vd.varDims.end() ) )
 vd.entLoc = ReadNC::ENTLOCNSEDGE;
 else if( ( std::find( vd.varDims.begin(), vd.varDims.end(), jCDim ) != vd.varDims.end() ) &&
 ( std::find( vd.varDims.begin(), vd.varDims.end(), iDim ) != vd.varDims.end() ) )
 vd.entLoc = ReadNC::ENTLOCEWEDGE;
 }
 
 // Default numLev is 0
 if( std::find( vd.varDims.begin(), vd.varDims.end(), levDim ) != vd.varDims.end() ) vd.numLev = nLevels;
 }
 
 std::vector< std::string > ijdimNames( 2 );
 ijdimNames[0] = "__ni";
 ijdimNames[1] = "__nj";
 std::string tag_name;
 Tag tagh;
 
 // __<dim_name>_LOC_MINMAX (for slon, slat, lon and lat)
 for( unsigned int i = 0; i != ijdimNames.size(); i++ )
 {
 std::vector< int > val( 2, 0 );
 if( ijdimNames[i] == "__ni" )
 {
 val[0] = lDims[0];
 val[1] = lDims[3];
 }
 else if( ijdimNames[i] == "__nj" )
 {
 val[0] = lDims[1];
 val[1] = lDims[4];
 }
 
 std::stringstream ss_tag_name;
 ss_tag_name << ijdimNames[i] << "_LOC_MINMAX";
 tag_name = ss_tag_name.str();
 rval = mbImpl->tag_get_handle( tag_name.c_str(), 2, MB_TYPE_INTEGER, tagh, MB_TAG_SPARSE | MB_TAG_CREAT );MB_CHK_SET_ERR( rval, "Trouble creating conventional tag " << tag_name );
 rval = mbImpl->tag_set_data( tagh, &_fileSet, 1, &val[0] );MB_CHK_SET_ERR( rval, "Trouble setting data to conventional tag " << tag_name );
 if( MB_SUCCESS == rval ) dbgOut.tprintf( 2, "Conventional tag %s is created.\n", tag_name.c_str() );
 }
 
 // __<dim_name>_LOC_VALS (for slon, slat, lon and lat)
 // Assume all have the same data type as lon (expected type is float or double)
 switch( varInfo["xc"].varDataType )
 {
 case NC_FLOAT:
 case NC_DOUBLE:
 break;
 default:
 MB_SET_ERR( MB_FAILURE, "Unexpected variable data type for 'lon'" );
 }
 
 // do not need conventional tags
 Tag convTagsCreated = 0;
 int def_val = 0;
 rval = mbImpl->tag_get_handle( "__CONV_TAGS_CREATED", 1, MB_TYPE_INTEGER, convTagsCreated,
 MB_TAG_SPARSE | MB_TAG_CREAT, &def_val );MB_CHK_SET_ERR( rval, "Trouble getting _CONV_TAGS_CREATED tag" );
 int create_conv_tags_flag = 1;
 rval = mbImpl->tag_set_data( convTagsCreated, &_fileSet, 1, &create_conv_tags_flag );MB_CHK_SET_ERR( rval, "Trouble setting _CONV_TAGS_CREATED tag" );
 
 return MB_SUCCESS;
}

References moab::NCHelper::_fileSet, moab::NCHelper::_readNC, moab::ScdInterface::compute_partition(), moab::ReadNC::dbgOut, moab::ReadNC::dimLens, moab::ReadNC::dimNames, moab::ReadNC::VarData::entLoc, moab::ReadNC::ENTLOCEWEDGE, moab::ReadNC::ENTLOCFACE, moab::ReadNC::ENTLOCNSEDGE, ErrorCode, moab::ScdNCHelper::gDims, moab::ScdParData::gDims, moab::ScdNCHelper::globallyPeriodic, moab::ScdNCHelper::iCDim, moab::ScdNCHelper::iDim, moab::ScdNCHelper::ilCVals, moab::ScdNCHelper::ilVals, moab::ReadNC::isParallel, moab::ScdNCHelper::jCDim, moab::ScdNCHelper::jDim, moab::ScdNCHelper::jlCVals, moab::ScdNCHelper::jlVals, moab::ScdNCHelper::lCDims, moab::ScdNCHelper::lDims, moab::NCHelper::levDim, moab::ScdNCHelper::locallyPeriodic, MB_CHK_ERR, MB_CHK_SET_ERR, MB_SET_ERR, MB_SUCCESS, MB_TAG_CREAT, MB_TAG_SPARSE, MB_TYPE_INTEGER, moab::ReadNC::mbImpl, moab::NCHelper::nLevels, moab::NCHelper::nTimeSteps, moab::ReadNC::VarData::numLev, nv, nvDim, moab::ReadNC::parData, moab::ReadNC::partMethod, moab::ScdParData::partMethod, moab::ScdParData::pDims, moab::ParallelComm::proc_config(), moab::ProcConfig::proc_rank(), moab::ProcConfig::proc_size(), moab::Interface::tag_get_handle(), moab::Interface::tag_set_data(), moab::NCHelper::tDim, moab::DebugOutput::tprintf(), moab::NCHelper::tVals, moab::ReadNC::VarData::varDims, and moab::ReadNC::varInfo.

Member Data Documentation

nv

int moab::NCHelperDomain::nv

private

Definition at line 34 of file NCHelperDomain.hpp.

Referenced by create_mesh(), and init_mesh_vals().

nvDim

int moab::NCHelperDomain::nvDim

private

Definition at line 35 of file NCHelperDomain.hpp.

Referenced by init_mesh_vals().

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The documentation for this class was generated from the following files:

• NCHelperDomain.hpp
• NCHelperDomain.cpp