void netcdf_mpas_read_xyzcell ( string filename, int ncells, double xcell[],
double ycell[], double zcell[] )
//****************************************************************************80
//
// Purpose:
//
// NETCDF_MPAS_READ_XYZCELL reads xCell, yCell, zCell.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 29 December 2010
//
// Author:
//
// John Burkardt
//
// Reference:
//
// Russ Rew, Glenn Davis, Steve Emmerson, Harvey Davies, Ed Hartne,
// The NETCDF User's Guide,
// Unidata Program Center, March 2009.
//
// Parameters:
//
// Input, string NC_FILENAME, the name of the NETCDF file to examine.
//
// Input, int NCELLS, the number of nodes.
//
// Output, double XCELL[NCELLS], YCELL[NCELLS], ZCELL[NCELLS], the
// coordinates of the nodes.
//
{
NcVar *var_id;
//
// Open the file.
//
NcFile ncid ( filename.c_str ( ), NcFile::ReadOnly );
//
// Get the variable values.
//
var_id = ncid.get_var ( "xCell" );
(*var_id).get ( &xcell[0], ncells );
var_id = ncid.get_var ( "yCell" );
(*var_id).get ( &ycell[0], ncells );
var_id = ncid.get_var ( "zCell" );
(*var_id).get ( &zcell[0], ncells );
//
// Close the file.
//
ncid.close ( );
return;
}
void netcdf_mpas_read_xyzvertex ( string filename, int nvertices,
double xvertex[], double yvertex[], double zvertex[] )
//****************************************************************************80
//
// Purpose:
//
// NETCDF_MPAS_READ_CELLS gets the cell center coordinates.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 01 January 2011
//
// Author:
//
// John Burkardt
//
// Reference:
//
// Russ Rew, Glenn Davis, Steve Emmerson, Harvey Davies, Ed Hartne,
// The NETCDF User's Guide,
// Unidata Program Center, March 2009.
//
// Parameters:
//
// Input, string NC_FILENAME, the name of the NETCDF file to examine.
//
// Input, int NVERTICES, the number of vertices.
//
// Output, double XVERTEX[NVERTICES], YVERTEXL[NVERTICES],
// ZVERTEX[NVERTICES], the coordinates of the nodes.
//
{
NcVar *var_id;
//
// Open the file.
//
NcFile ncid ( filename.c_str ( ), NcFile::ReadOnly );
//
// Get the variable values.
//
var_id = ncid.get_var ( "xVertex" );
(*var_id).get ( &xvertex[0], nvertices );
var_id = ncid.get_var ( "yVertex" );
(*var_id).get ( &yvertex[0], nvertices );
var_id = ncid.get_var ( "zVertex" );
(*var_id).get ( &zvertex[0], nvertices );
//
// Close the file.
//
ncid.close ( );
return;
}
bool ReadAstro::open(const char *path)
{
assert(!m_ncfile);
m_ncfile = new NcFile(path, NcFile::ReadOnly);
if (!m_ncfile->is_valid())
{
close();
sendError("failed to open NetCDF file %s", path);
return false;
}
if (m_ncfile->get_format() == NcFile::BadFormat)
{
close();
sendError("bad NetCDF file");
return false;
}
fprintf(stderr, "dims=%d, vars=%d, attrs=%d\n",
m_ncfile->num_dims(), m_ncfile->num_vars(), m_ncfile->num_atts());
for (int i = 0; i < m_ncfile->num_dims(); ++i)
{
fprintf(stderr, "%s: %ld\n",
m_ncfile->get_dim(i)->name(),
m_ncfile->get_dim(i)->size());
}
for (int i = 0; i < m_ncfile->num_vars(); ++i)
{
fprintf(stderr, "%s: dims=%d atts=%d vals=%ld type=%d\n",
m_ncfile->get_var(i)->name(),
m_ncfile->get_var(i)->num_dims(),
m_ncfile->get_var(i)->num_atts(),
m_ncfile->get_var(i)->num_vals(),
m_ncfile->get_var(i)->type());
//int dims = m_ncfile->get_var(i)->num_dims();
NcVar *var = m_ncfile->get_var(i);
for (int j = 0; j < var->num_dims(); ++j)
{
fprintf(stderr, " %s: %ld edge=%ld\n",
var->get_dim(j)->name(),
var->get_dim(j)->size(),
var->edges()[j]);
}
}
for (int i = 0; i < m_ncfile->num_atts(); ++i)
{
fprintf(stderr, "%s\n", m_ncfile->get_att(i)->name());
}
return true;
}
std::vector<T> read_vector(NcFile &nc, std::string const &var_name)
{
// Read points vector
NcVar *vpoints = nc.get_var(var_name.c_str());
long npoints = vpoints->get_dim(0)->size();
std::vector<T> points(npoints);
vpoints->get(&points[0], npoints);
return points;
}
void netcdf_mpas_read_verticesoncell ( string filename, int maxedges,
int ncells, int verticesoncell[] )
//****************************************************************************80
//
// Purpose:
//
// NETCDF_MPAS_READ_VERTICESONCELLS gets verticesOnCells.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 01 January 2011
//
// Author:
//
// John Burkardt
//
// Reference:
//
// Russ Rew, Glenn Davis, Steve Emmerson, Harvey Davies, Ed Hartne,
// The NETCDF User's Guide,
// Unidata Program Center, March 2009.
//
// Parameters:
//
// Input, string NC_FILENAME, the name of the NETCDF file to examine.
//
// Input, int MAXEDGES, the maximum number of edges for a cell.
//
// Input, int NCELLS, the number of cells.
//
// Output, int VERTICESONCELLS[MAXEDGES*NCELLS];
//
{
NcVar *var_id;
//
// Open the file.
//
NcFile ncid ( filename.c_str ( ), NcFile::ReadOnly );
//
// Get the variable values.
//
var_id = ncid.get_var ( "verticesOnCell" );
(*var_id).get ( &verticesoncell[0], ncells, maxedges );
//
// Close the file.
//
ncid.close ( );
return;
}
void netcdf_mpas_read_cellsonvertex ( string filename, int nvertices,
int cellsonvertex[] )
//****************************************************************************80
//
// Purpose:
//
// NETCDF_MPAS_READ_CELLSONVERTEX gets the cellsOnVertex information.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 30 December 2010
//
// Author:
//
// John Burkardt
//
// Reference:
//
// Russ Rew, Glenn Davis, Steve Emmerson, Harvey Davies, Ed Hartne,
// The NETCDF User's Guide,
// Unidata Program Center, March 2009.
//
// Parameters:
//
// Input, string NC_FILENAME, the name of the NETCDF file to examine.
//
// Input, int NEDGES, the number of edges.
//
// Output, int CELLSONVERTEX[3*NVERTICES];
//
{
NcVar *var_id;
//
// Open the file.
//
NcFile ncid ( filename.c_str ( ), NcFile::ReadOnly );
//
// Get the variable values.
//
var_id = ncid.get_var ( "cellsOnVertex" );
(*var_id).get ( &cellsonvertex[0], nvertices, 3 );
//
// Close the file.
//
ncid.close ( );
return;
}
void Grid_LonLat::read_from_netcdf(NcFile &nc, std::string const &vname)
{
Grid::read_from_netcdf(nc, vname);
NcVar *info_var = nc.get_var((vname + ".info").c_str());
north_pole = (giss::get_att(info_var, "north_pole_cap")->as_int(0) != 0);
south_pole = (giss::get_att(info_var, "south_pole_cap")->as_int(0) != 0);
points_in_side = giss::get_att(info_var, "points_in_side")->as_int(0);
// _nlon = giss::get_att(info_var, "nlon")->as_int(0);
// _nlat = giss::get_att(info_var, "nlat")->as_int(0);
lonb = giss::read_double_vector(nc, vname + ".lon_boundaries");
latb = giss::read_double_vector(nc, vname + ".lat_boundaries");
}
void CopyNcVarIfExists(
NcFile & ncIn,
NcFile & ncOut,
const std::string & strVarName,
bool fCopyAttributes,
bool fCopyData
) {
// Turn off fatal errors in NetCDF
NcError error(NcError::silent_nonfatal);
NcVar * var = ncIn.get_var(strVarName.c_str());
if (var != NULL) {
CopyNcVar(ncIn, ncOut, strVarName, fCopyAttributes, fCopyData);
}
}
boost::function<void ()> netcdf_define(
NcFile &nc,
std::string const &vname_prefix, // vname = vname_prefix + vmeta.name
VarMetaData const &vmeta,
blitz::Array<T,rank> const &val,
std::vector<NcDim *> const &ddims = {})
{
std::string vname = vname_prefix + vmeta.get_name();
auto ret(netcdf_define(nc, vname, val, ddims));
NcVar *nc_var = nc.get_var(vname.c_str());
std::string const &description(vmeta.get_description());
if (description != "") nc_var->add_att("long_name", description.c_str());
std::string const &units(vmeta.get_units());
if (units != "") nc_var->add_att("units", units.c_str());
return ret;
}
void TrajectoryForecaster::readTime(const NcFile &data )
{
float *year = read1DimVar(data, "year");
float *month = read1DimVar(data, "month");
float *day = read1DimVar(data, "day");
float *hour = read1DimVar(data, "hour");
int n = data.get_var("year")->num_vals();
for ( int i=0; i<n; i++ )
{
time.push_back( ptime( boost::gregorian::date(year[i],month[i],day[i]), boost::posix_time::hours(hour[i])) );
}
delete [] year;
delete [] month;
delete [] day;
delete [] hour;
}
const bool read( const std::string filename )
{
if ( m_file ) delete m_file;
m_filename = filename;
m_file = new NcFile( filename.c_str(), NcFile::ReadOnly );
if ( !m_file ) return( false );
if ( !m_file->is_valid() ) return( false );
const int ndims = m_file->num_dims();
for ( int i = 0; i < ndims; i++ )
{
m_dims.push_back( new Dim( m_file->get_dim(i) ) );
}
const int nvars = m_file->num_vars();
for ( int i = 0; i < nvars; i++ )
{
m_vars.push_back( new Var( m_file->get_var(i) ) );
}
return( true );
}
boost::function<void ()> Grid_LonLat::netcdf_define(NcFile &nc, std::string const &vname) const
{
auto parent = Grid::netcdf_define(nc, vname);
NcDim *lonbDim = nc.add_dim((vname + ".lon_boundaries.length").c_str(),
this->lonb.size());
NcVar *lonb_var = nc.add_var((vname + ".lon_boundaries").c_str(),
ncDouble, lonbDim);
NcDim *latbDim = nc.add_dim((vname + ".lat_boundaries.length").c_str(),
this->latb.size());
NcVar *latb_var = nc.add_var((vname + ".lat_boundaries").c_str(),
ncDouble, latbDim);
NcVar *info_var = nc.get_var((vname + ".info").c_str());
info_var->add_att("north_pole_cap", north_pole ? 1 : 0);
info_var->add_att("south_pole_cap", south_pole ? 1 : 0);
info_var->add_att("points_in_side", points_in_side);
info_var->add_att("nlon", nlon());
info_var->add_att("nlat", nlat());
return boost::bind(&Grid_LonLat_netcdf_write, parent, &nc, this, vname);
}
blitz::Array<T,rank> read_blitz(NcFile &nc, std::string const &var_name)
{
// Read points vector
NcVar *vpoints = nc.get_var(var_name.c_str());
int ndims = vpoints->num_dims();
if (ndims != rank) {
fprintf(stderr, "NetCDF variable %s has rank %d, expected rank %d\n",
var_name.c_str(), ndims, rank);
throw std::exception();
}
blitz::TinyVector<int,rank> shape(0);
long counts[rank];
for (int i=0; i<rank; ++i) {
shape[i] = vpoints->get_dim(i)->size();
printf("read_blitz: shape[%d] = %d\n", i, shape[i]);
counts[i] = shape[i];
}
blitz::Array<T,rank> ret(shape);
for (int i=0; i<rank; ++i) printf("read_blitz: ret.extent(%d) = %d\n", i, ret.extent(i));
vpoints->get(ret.data(), counts);
return ret;
}
void netcdf_mpas_report ( string filename )
//****************************************************************************80
//
// Purpose:
//
// NETCDF_MPAS_REPORT reads an MPAS NETCDF grid file and reports.
//
// Discussion:
//
// In this example, we want to extract all the information from a file
// of unknown type.
//
// Here, we are pretending we have no idea what's in the file, so we
// have to go step by step, making inquiries to NETCDF.
//
// As we go, we print out what we have discovered. We don't attempt
// to return any of the data.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 29 December 2010
//
// Author:
//
// John Burkardt
//
// Reference:
//
// Russ Rew, Glenn Davis, Steve Emmerson, Harvey Davies, Ed Hartne,
// The NETCDF User's Guide,
// Unidata Program Center, March 2009.
//
// Parameters:
//
// Input, string FILENAME, the name of the NETCDF file to examine.
//
{
NcAtt *att;
NcDim *dim;
int i;
int j;
long int len;
NcToken name;
int num_atts;
int num_dims;
int num_vars;
NcType type;
NcDim *unlimdimid;
NcVar *var;
cout << "\n";
cout << "NETCDF_MPAS_REPORT:\n";
cout << " Report the information stored in a NETCDF\n";
cout << " file. Although we wish to examine a file containing\n";
cout << " grid data generated by MPAS, we will assume we do not\n";
cout << " have any idea of what is in the file. So we just read,\n";
cout << " inquire, and print out.\n";
cout << "\n";
cout << " The name of the file is \"" << filename << "\"\n";
//
// Open the file.
//
NcFile ncid ( filename.c_str ( ), NcFile::ReadOnly );
//
// Return information about the NETCDF file.
//
num_dims = ncid.num_dims ( );
num_vars = ncid.num_vars ( );
num_atts = ncid.num_atts ( );
unlimdimid = ncid.rec_dim ( );
cout << "\n";
cout << "PRIMARY PARAMETERS:\n";
cout << "\n";
cout << " The number of dimensions NUM_DIMS = " << num_dims << "\n";
cout << " The number of variables NUM_VARS = " << num_vars << "\n";
cout << " The number of global attributes NUM_ATTS = " << num_atts << "\n";
cout << " The unlimited dimension (if any) UNLIMDIMID = \"" << (*unlimdimid).name ( ) << "\"\n";
//
// Retrieve global attributes.
// First, we must evaluate the constant "NC_GLOBAL".
//
// nc_global = netcdf.getConstant ( 'NC_GLOBAL' );
cout << "\n";
cout << "GLOBAL ATTRIBUTES:\n";
cout << " Att --------Name-------- Type Len\n";
cout << "\n";
for ( i = 0; i < num_atts; i++ )
{
att = ncid.get_att ( i );
name = (*att).name ( );
type = (*att).type ( );
len = (*att).num_vals ( );
cout << " " << setw(2) << i
<< " \"" << setw(18) << name << "\""
<< " " << setw(4) << type
<< " " << setw(4) << len << "\n";
}
//
// Determine names and extents of dimensions.
// Since each NAME is a char array, we make a cell array to hold them.
//
cout << "\n";
cout << "DIMENSIONS:\n";
cout << " Dim --------Name-------- Extent\n";
cout << "\n";
for ( i = 0; i < num_dims; i++ )
{
dim = ncid.get_dim ( i );
name = (*dim).name ( );
len = (*dim).size ( );
cout << " " << setw(2) << i
<< " \"" << setw(18) << name << "\""
<< " " << setw(6) << len << "\n";
}
//
// Get variable names, types, dimensions, number of attributes.
//
cout << "\n";
cout << "VARIABLES:\n";
cout << " Var --------Name-------- Type Natts Ndims Dims\n";
cout << "\n";
for ( i = 0; i < num_vars; i++ )
{
var = ncid.get_var ( i );
name = (*var).name ( );
type = (*var).type ( );
num_dims = (*var).num_dims ( );
num_atts = (*var).num_atts ( );
cout << " " << setw(2) << i
<< " \"" << setw(18) << name << "\""
<< " " << setw(4) << type
<< " " << setw(4) << num_atts
<< " " << setw(4) << num_dims
<< " ";
for ( j = 0; j < num_dims; j++ )
{
dim = (*var).get_dim ( j );
if ( j == 0 )
{
cout << "[";
}
cout << (*dim).name ( );
if ( j < num_dims - 1 )
{
cout <<",";
}
else
{
cout << "]";
}
}
cout << "\n";
}
//
// Close the file.
//
ncid.close ( );
return;
}
void CopyNcVar(
NcFile & ncIn,
NcFile & ncOut,
const std::string & strVarName,
bool fCopyAttributes,
bool fCopyData
) {
if (!ncIn.is_valid()) {
_EXCEPTIONT("Invalid input file specified");
}
if (!ncOut.is_valid()) {
_EXCEPTIONT("Invalid output file specified");
}
NcVar * var = ncIn.get_var(strVarName.c_str());
if (var == NULL) {
_EXCEPTION1("NetCDF file does not contain variable \"%s\"",
strVarName.c_str());
}
NcVar * varOut;
std::vector<NcDim *> dimOut;
dimOut.resize(var->num_dims());
std::vector<long> counts;
counts.resize(var->num_dims());
long nDataSize = 1;
for (int d = 0; d < var->num_dims(); d++) {
NcDim * dimA = var->get_dim(d);
dimOut[d] = ncOut.get_dim(dimA->name());
if (dimOut[d] == NULL) {
if (dimA->is_unlimited()) {
dimOut[d] = ncOut.add_dim(dimA->name());
} else {
dimOut[d] = ncOut.add_dim(dimA->name(), dimA->size());
}
if (dimOut[d] == NULL) {
_EXCEPTION2("Failed to add dimension \"%s\" (%i) to file",
dimA->name(), dimA->size());
}
}
if (dimOut[d]->size() != dimA->size()) {
if (dimA->is_unlimited() && !dimOut[d]->is_unlimited()) {
_EXCEPTION2("Mismatch between input file dimension \"%s\" and "
"output file dimension (UNLIMITED / %i)",
dimA->name(), dimOut[d]->size());
} else if (!dimA->is_unlimited() && dimOut[d]->is_unlimited()) {
_EXCEPTION2("Mismatch between input file dimension \"%s\" and "
"output file dimension (%i / UNLIMITED)",
dimA->name(), dimA->size());
} else if (!dimA->is_unlimited() && !dimOut[d]->is_unlimited()) {
_EXCEPTION3("Mismatch between input file dimension \"%s\" and "
"output file dimension (%i / %i)",
dimA->name(), dimA->size(), dimOut[d]->size());
}
}
counts[d] = dimA->size();
nDataSize *= counts[d];
}
// ncByte / ncChar type
if ((var->type() == ncByte) || (var->type() == ncChar)) {
DataVector<char> data;
data.Initialize(nDataSize);
varOut =
ncOut.add_var(
var->name(), var->type(),
dimOut.size(), (const NcDim**)&(dimOut[0]));
if (varOut == NULL) {
_EXCEPTION1("Cannot create variable \"%s\"", var->name());
}
var->get(&(data[0]), &(counts[0]));
varOut->put(&(data[0]), &(counts[0]));
}
// ncShort type
if (var->type() == ncShort) {
DataVector<short> data;
data.Initialize(nDataSize);
varOut =
ncOut.add_var(
var->name(), var->type(),
dimOut.size(), (const NcDim**)&(dimOut[0]));
if (varOut == NULL) {
_EXCEPTION1("Cannot create variable \"%s\"", var->name());
}
if (fCopyData) {
var->get(&(data[0]), &(counts[0]));
varOut->put(&(data[0]), &(counts[0]));
}
}
// ncInt type
if (var->type() == ncInt) {
DataVector<int> data;
data.Initialize(nDataSize);
varOut =
ncOut.add_var(
var->name(), var->type(),
dimOut.size(), (const NcDim**)&(dimOut[0]));
if (varOut == NULL) {
_EXCEPTION1("Cannot create variable \"%s\"", var->name());
}
if (fCopyData) {
var->get(&(data[0]), &(counts[0]));
varOut->put(&(data[0]), &(counts[0]));
}
}
// ncFloat type
if (var->type() == ncFloat) {
DataVector<float> data;
data.Initialize(nDataSize);
varOut =
ncOut.add_var(
var->name(), var->type(),
dimOut.size(), (const NcDim**)&(dimOut[0]));
if (varOut == NULL) {
_EXCEPTION1("Cannot create variable \"%s\"", var->name());
}
if (fCopyData) {
var->get(&(data[0]), &(counts[0]));
varOut->put(&(data[0]), &(counts[0]));
}
}
// ncDouble type
if (var->type() == ncDouble) {
DataVector<double> data;
data.Initialize(nDataSize);
varOut =
ncOut.add_var(
var->name(), var->type(),
dimOut.size(), (const NcDim**)&(dimOut[0]));
if (varOut == NULL) {
_EXCEPTION1("Cannot create variable \"%s\"", var->name());
}
if (fCopyData) {
var->get(&(data[0]), &(counts[0]));
varOut->put(&(data[0]), &(counts[0]));
}
}
// ncInt64 type
if (var->type() == ncInt64) {
DataVector<ncint64> data;
data.Initialize(nDataSize);
varOut =
ncOut.add_var(
var->name(), var->type(),
dimOut.size(), (const NcDim**)&(dimOut[0]));
if (varOut == NULL) {
_EXCEPTION1("Cannot create variable \"%s\"", var->name());
}
if (fCopyData) {
var->get(&(data[0]), &(counts[0]));
varOut->put(&(data[0]), &(counts[0]));
}
}
// Check output variable exists
if (varOut == NULL) {
_EXCEPTION1("Unable to create output variable \"%s\"",
var->name());
}
// Copy attributes
if (fCopyAttributes) {
CopyNcVarAttributes(var, varOut);
}
}
//
// Reads variable data from dump file
//
bool DataVar::initFromFile(const string& filename, const_DomainChunk_ptr dom)
{
cleanup();
#if ESYS_HAVE_NETCDF
NcError ncerr(NcError::silent_nonfatal);
NcFile* input = new NcFile(filename.c_str());
if (!input->is_valid()) {
cerr << "Could not open input file " << filename << "." << endl;
delete input;
return false;
}
NcDim* dim;
NcAtt* att;
att = input->get_att("type_id");
int typeID = att->as_int(0);
if (typeID != 2) {
cerr << "WARNING: Only expanded data supported!" << endl;
delete input;
return false;
}
att = input->get_att("rank");
rank = att->as_int(0);
dim = input->get_dim("num_data_points_per_sample");
ptsPerSample = dim->size();
att = input->get_att("function_space_type");
funcSpace = att->as_int(0);
centering = dom->getCenteringForFunctionSpace(funcSpace);
dim = input->get_dim("num_samples");
numSamples = dim->size();
#ifdef _DEBUG
cout << varName << ":\t" << numSamples << " samples, "
<< ptsPerSample << " pts/s, rank: " << rank << endl;
#endif
domain = dom;
NodeData_ptr nodes = domain->getMeshForFunctionSpace(funcSpace);
if (nodes == NULL) {
delete input;
return false;
}
meshName = nodes->getName();
siloMeshName = nodes->getFullSiloName();
initialized = true;
size_t dimSize = 1;
vector<long> counts;
if (rank > 0) {
dim = input->get_dim("d0");
int d = dim->size();
shape.push_back(d);
counts.push_back(d);
dimSize *= d;
}
if (rank > 1) {
dim = input->get_dim("d1");
int d = dim->size();
shape.push_back(d);
counts.push_back(d);
dimSize *= d;
}
if (rank > 2) {
cerr << "WARNING: Rank " << rank << " data is not supported!\n";
initialized = false;
}
if (initialized && numSamples > 0) {
sampleID.insert(sampleID.end(), numSamples, 0);
NcVar* var = input->get_var("id");
var->get(&sampleID[0], numSamples);
size_t dataSize = dimSize*numSamples*ptsPerSample;
counts.push_back(ptsPerSample);
counts.push_back(numSamples);
float* tempData = new float[dataSize];
var = input->get_var("data");
var->get(tempData, &counts[0]);
const float* srcPtr = tempData;
for (size_t i=0; i < dimSize; i++, srcPtr++) {
float* c = averageData(srcPtr, dimSize);
dataArray.push_back(c);
}
delete[] tempData;
initialized = reorderSamples();
}
delete input;
#endif // ESYS_HAVE_NETCDF
return initialized;
}
void data_read ( string filename, int dim, int vertices, int edges,
int triangles, int quadrilaterals, int tetrahedrons, int hexahedrons,
double vertex_coordinate[], int vertex_label[], int edge_vertex[],
int edge_label[], int triangle_vertex[], int triangle_label[],
int quadrilateral_vertex[], int quadrilateral_label[],
int tetrahedron_vertex[], int tetrahedron_label[], int hexahedron_vertex[],
int hexahedron_label[] )
//****************************************************************************80
//
// Purpose:
//
// DATA_READ reads ICE data from a NETCDF file.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 30 November 2010
//
// Author:
//
// John Burkardt
//
// Reference:
//
// Pascal Frey,
// MEDIT: An interactive mesh visualization software,
// Technical Report RT-0253,
// Institut National de Recherche en Informatique et en Automatique,
// 03 December 2001.
//
// Russ Rew,
// The NetCDF C++ Interface Guide,
// Unidata Program Center, August 2008.
//
// Parameters:
//
// Input, string FILENAME, the name of the file to be read.
// Ordinarily, the name should include the extension ".nc".
//
// Input, int DIM, the spatial dimension, which should be 2 or 3.
//
// Input, int VERTICES, the number of vertices.
//
// Input, int EDGES, the number of edges (may be 0).
//
// Input, int TRIANGLES, the number of triangles (may be 0).
//
// Input, int QUADRILATERALS, the number of quadrilaterals (may be 0).
//
// Input, int TETRAHEDRONS, the number of tetrahedrons (may be 0).
//
// Input, int HEXAHEDRONS, the number of hexahedrons (may be 0).
//
// Output, double VERTEX_COORDINATE[DIM*VERTICES], the coordinates
// of each vertex.
//
// Output, int VERTEX_LABEL[VERTICES], a label for each vertex.
//
// Output, int EDGE_VERTEX[2*EDGES], the vertices that form each edge.
//
// Output, int EDGE_LABEL[EDGES], a label for each edge.
//
// Output, int TRIANGLE_VERTEX[3*TRIANGLES], the vertices that form
// each triangle.
//
// Output, int TRIANGLE_LABEL[TRIANGLES], a label for each triangle.
//
// Output, int QUADRILATERAL_VERTEX[4*QUADRILATERALS], the vertices that
// form each quadrilateral.
//
// Output, int QUADRILATERAL_LABEL[QUADRILATERALS], a label for
// each quadrilateral.
//
// Output, int TETRAHEDRON_VERTEX[4*TETRAHEDRONS], the vertices that
// form each tetrahedron.
//
// Output, int TETRAHEDRON_LABEL[TETRAHEDRONS], a label for
// each tetrahedron.
//
// Output, int HEXAHEDRON_VERTEX[8*HEXAHEDRONS], the vertices that form
// each hexahedron.
//
// Output, int HEXAHEDRON_LABEL[HEXAHEDRONS], a label for each hexahedron.
//
{
//
// Open the file in "read only" mode.
//
NcFile dataFile ( filename.c_str ( ), NcFile::ReadOnly );
if ( !dataFile.is_valid ( ) )
{
cout << "\n";
cout << "DATA_READ: Fatal error!\n";
cout << " Could not open file.\n";
exit ( 1 );
}
//
// Vertices.
//
NcVar *var_vertex_coordinate = dataFile.get_var ( "Vertex_Coordinate" );
var_vertex_coordinate->get ( &vertex_coordinate[0], dim, vertices );
NcVar *var_vertex_label = dataFile.get_var ( "Vertex_Label" );
var_vertex_label->get ( &vertex_label[0], vertices );
//
// Edges.
//
if ( 0 < edges )
{
NcVar *var_edge_vertex = dataFile.get_var ( "Edge_Vertex" );
var_edge_vertex->get ( &edge_vertex[0], 2, edges );
NcVar *var_edge_label = dataFile.get_var ( "Edge_Label" );
var_edge_label->get ( &edge_label[0], edges );
}
//
// Triangles.
//
if ( 0 < triangles )
{
NcVar *var_triangle_vertex = dataFile.get_var ( "Triangle_Vertex" );
var_triangle_vertex->get ( &triangle_vertex[0], 3, triangles );
NcVar *var_triangle_label = dataFile.get_var ( "Triangle_Label" );
var_triangle_label->get ( &triangle_label[0], triangles );
}
//
// Quadrilaterals.
//
if ( 0 < quadrilaterals )
{
NcVar *var_quadrilateral_vertex = dataFile.get_var ( "Quadrilateral_Vertex" );
var_quadrilateral_vertex->get ( &quadrilateral_vertex[0], 4, quadrilaterals );
NcVar *var_quadrilateral_label = dataFile.get_var ( "Quadrilateral_Label" );
var_quadrilateral_label->get ( &quadrilateral_label[0], quadrilaterals );
}
//
// Tetrahedrons.
//
if ( 0 < tetrahedrons )
{
NcVar *var_tetrahedron_vertex = dataFile.get_var ( "Tetrahedron_Vertex" );
var_tetrahedron_vertex->get ( &tetrahedron_vertex[0], 4, tetrahedrons );
NcVar *var_tetrahedron_label = dataFile.get_var ( "Tetrahedron_Label" );
var_tetrahedron_label->get ( &tetrahedron_label[0], tetrahedrons );
}
//
// Hexahedrons.
//
if ( 0 < hexahedrons )
{
NcVar *var_hexahedron_vertex = dataFile.get_var ( "Hexahedron_Vertex" );
var_hexahedron_vertex->get ( &hexahedron_vertex[0], 8, hexahedrons );
NcVar *var_hexahedron_label = dataFile.get_var ( "Hexahedron_Label" );
var_hexahedron_label->get ( &hexahedron_label[0], hexahedrons );
}
//
// Close the file.
//
dataFile.close ( );
return;
}
