/** Determine if Netcdf file contains time; set up timeVID and check units. */
int NetcdfFile::SetupTime() {
if ( nc_inq_varid(ncid_, NCTIME, &timeVID_) == NC_NOERR ) {
std::string attrText = GetAttrText(timeVID_, "units");
if (attrText!="picosecond")
mprintf("Warning: NetCDF file has time units of %s - expected picosecond.\n",
attrText.c_str());
// Check for time values which have NOT been filled, which was possible
// with netcdf trajectories created by older versions of ptraj/cpptraj.
if (ncframe_ > 0 && GetNetcdfConventions() == NC_AMBERTRAJ) {
float time;
start_[0] = 0;
count_[0] = 1;
if (checkNCerr(nc_get_vara_float(ncid_, timeVID_, start_, count_, &time))) {
mprinterr("Error: Getting time value for NetCDF file.\n");
return -1;
}
if (time == NC_FILL_FLOAT) {
mprintf("Warning: NetCDF file time variable defined but empty. Disabling.\n");
timeVID_ = -1;
}
}
return 0;
}
timeVID_=-1;
return 1;
}
/* * Open the netcdf file, read all dimension and variable IDs, close.
* Return the number of frames in the file.
*/
int Traj_AmberNetcdf::setupTrajin(std::string const& fname, Topology* trajParm)
{
filename_.SetFileNameWithExpansion( fname );
if (openTrajin()) return TRAJIN_ERR;
// Sanity check - Make sure this is a Netcdf trajectory
if ( GetNetcdfConventions() != NC_AMBERTRAJ ) {
mprinterr("Error: Netcdf file %s conventions do not include \"AMBER\"\n",filename_.base());
return TRAJIN_ERR;
}
// Get global attributes
std::string attrText = GetAttrText("ConventionVersion");
if ( attrText != "1.0")
mprintf("Warning: Netcdf file %s has ConventionVersion that is not 1.0 (%s)\n",
filename_.base(), attrText.c_str());
// Get title
SetTitle( GetAttrText("title") );
// Get Frame info
if ( SetupFrame()!=0 ) return TRAJIN_ERR;
// Setup Coordinates/Velocities
if ( SetupCoordsVelo()!=0 ) return TRAJIN_ERR;
SetVelocity( HasVelocities() );
// Check that specified number of atoms matches expected number.
if (Ncatom() != trajParm->Natom()) {
mprinterr("Error: Number of atoms in NetCDF file %s (%i) does not\n",
filename_.base(),Ncatom());
mprinterr(" match number in associated parmtop (%i)!\n",trajParm->Natom());
return TRAJIN_ERR;
}
// Setup Time
if ( SetupTime()!=0 ) return TRAJIN_ERR;
// Box info
double boxcrd[6];
if (SetupBox(boxcrd, NC_AMBERTRAJ) == 1) // 1 indicates an error
return TRAJIN_ERR;
SetBox( boxcrd );
// Replica Temperatures - Allowed to fail silently
if (SetupTemperature() == 0)
SetTemperature( true );
// Replica Dimensions
if ( SetupMultiD() == -1 ) return TRAJIN_ERR;
// NOTE: TO BE ADDED
// labelDID;
//int cell_spatialDID, cell_angularDID;
//int spatialVID, cell_spatialVID, cell_angularVID;
// Amber Netcdf coords are float. Allocate a float array for converting
// float to/from double.
if (Coord_ != 0) delete[] Coord_;
Coord_ = new float[ Ncatom3() ];
if (Veloc_ != 0) delete[] Veloc_;
if (velocityVID_ != -1)
Veloc_ = new float[ Ncatom3() ];
else
Veloc_ = 0;
if (debug_>1) NetcdfDebug();
closeTraj();
// NetCDF files are always seekable
SetSeekable( true );
return Ncframe();
}
/* * Open the netcdf file, read all dimension and variable IDs, close.
* Return the number of frames in the file.
*/
int Traj_AmberNetcdf::setupTrajin(FileName const& fname, Topology* trajParm)
{
filename_ = fname;
if (openTrajin()) return TRAJIN_ERR;
readAccess_ = true;
// Sanity check - Make sure this is a Netcdf trajectory
if ( GetNetcdfConventions() != NC_AMBERTRAJ ) {
mprinterr("Error: Netcdf file %s conventions do not include \"AMBER\"\n",filename_.base());
return TRAJIN_ERR;
}
// Get global attributes
std::string attrText = GetAttrText("ConventionVersion");
if ( attrText != "1.0")
mprintf("Warning: Netcdf file %s has ConventionVersion that is not 1.0 (%s)\n",
filename_.base(), attrText.c_str());
// Get title
SetTitle( GetAttrText("title") );
// Get Frame info
if ( SetupFrameDim()!=0 ) return TRAJIN_ERR;
if ( Ncframe() < 1 ) {
mprinterr("Error: Netcdf file is empty.\n");
return TRAJIN_ERR;
}
// Setup Coordinates/Velocities
if ( SetupCoordsVelo( useVelAsCoords_ )!=0 ) return TRAJIN_ERR;
// Check that specified number of atoms matches expected number.
if (Ncatom() != trajParm->Natom()) {
mprinterr("Error: Number of atoms in NetCDF file %s (%i) does not\n"
"Error: match number in associated parmtop (%i)!\n",
filename_.base(), Ncatom(), trajParm->Natom());
return TRAJIN_ERR;
}
// Setup Time - FIXME: Allowed to fail silently
SetupTime();
// Box info
double boxcrd[6];
if (SetupBox(boxcrd, NC_AMBERTRAJ) == 1) // 1 indicates an error
return TRAJIN_ERR;
// Replica Temperatures - FIXME: Allowed to fail silently
SetupTemperature();
// Replica Dimensions
ReplicaDimArray remdDim;
if ( SetupMultiD(remdDim) == -1 ) return TRAJIN_ERR;
// Set traj info: FIXME - no forces yet
SetCoordInfo( CoordinateInfo(remdDim, Box(boxcrd), HasVelocities(),
HasTemperatures(), HasTimes(), false) );
// NOTE: TO BE ADDED
// labelDID;
//int cell_spatialDID, cell_angularDID;
//int spatialVID, cell_spatialVID, cell_angularVID;
// Amber Netcdf coords are float. Allocate a float array for converting
// float to/from double.
if (Coord_ != 0) delete[] Coord_;
Coord_ = new float[ Ncatom3() ];
if (debug_>1) NetcdfDebug();
closeTraj();
return Ncframe();
}
// NetcdfFile::GetNetcdfConventions()
NetcdfFile::NCTYPE NetcdfFile::GetNetcdfConventions(const char* fname) {
NCTYPE nctype = NC_UNKNOWN;
#ifdef BINTRAJ
// NOTE: Do not use checkNCerr so this fails silently. Allows routine to
// be used in file autodetection.
if ( nc_open( fname, NC_NOWRITE, &ncid_ ) != NC_NOERR )
return NC_UNKNOWN;
nctype = GetNetcdfConventions();
NC_close();
#else
mprintf("Error: Compiled without NETCDF support. Recompile with -DBINTRAJ\n");
#endif
return nctype;
}
/** Set up netcdf restart file for reading, get all variable and dimension IDs.
* Also check number of atoms against associated parmtop.
*/
int Traj_AmberRestartNC::setupTrajin(std::string const& fname, Topology* trajParm)
{
filename_.SetFileNameWithExpansion( fname );
if (openTrajin()) return TRAJIN_ERR;
// Sanity check - Make sure this is a Netcdf restart
if ( GetNetcdfConventions() != NC_AMBERRESTART ) {
mprinterr("Error: Netcdf restart file %s conventions do not include \"AMBERRESTART\"\n",
filename_.base());
return TRAJIN_ERR;
}
// Get global attributes
std::string attrText = GetAttrText("ConventionVersion");
if (attrText!="1.0")
mprintf("Warning: Netcdf restart file %s has ConventionVersion that is not 1.0 (%s)\n",
filename_.base(), attrText.c_str());
// Get title
SetTitle( GetAttrText("title") );
// Setup Coordinates/Velocities
if ( SetupCoordsVelo()!=0 ) return TRAJIN_ERR;
SetVelocity( HasVelocities() );
// Check that specified number of atoms matches expected number.
if (Ncatom() != trajParm->Natom()) {
mprinterr("Error: Number of atoms in NetCDF restart file %s (%i) does not\n",
filename_.base(), Ncatom());
mprinterr(" match number in associated parmtop (%i)!\n",trajParm->Natom());
return TRAJIN_ERR;
}
// Setup Time
if ( SetupTime()!=0 ) return TRAJIN_ERR;
// Box info
double boxcrd[6];
if (SetupBox(boxcrd, NC_AMBERRESTART) == 1) // 1 indicates an error
return TRAJIN_ERR;
SetBox( boxcrd );
// Replica Temperatures - allowed to fail silently
if (SetupTemperature() == 0)
SetTemperature( true );
if ( SetupMultiD() == -1 ) return TRAJIN_ERR;
// NOTE: TO BE ADDED
// labelDID;
//int cell_spatialDID, cell_angularDID;
//int spatialVID, cell_spatialVID, cell_angularVID;
closeTraj();
// Only 1 frame for NC restarts
return 1;
}
// Traj_NcEnsemble::ID_TrajFormat()
bool Traj_NcEnsemble::ID_TrajFormat(CpptrajFile& fileIn) {
return ( GetNetcdfConventions( fileIn.Filename().full() ) == NC_AMBERENSEMBLE );
}
bool Traj_AmberNetcdf::ID_TrajFormat(CpptrajFile& fileIn) {
if ( GetNetcdfConventions( fileIn.Filename().full() ) == NC_AMBERTRAJ ) return true;
return false;
}
// Traj_NcEnsemble::setupTrajin()
int Traj_NcEnsemble::setupTrajin(FileName const& fname, Topology* trajParm)
{
# ifdef MPI
if (NoPnetcdf()) return TRAJIN_ERR;
# endif
readAccess_ = true;
filename_ = fname;
//if (openTrajin()) return TRAJIN_ERR;
// Open single thread for now
if (NC_openRead( filename_.Full() )) return TRAJIN_ERR;
// Sanity check - Make sure this is a Netcdf ensemble trajectory
if ( GetNetcdfConventions() != NC_AMBERENSEMBLE ) {
mprinterr("Error: Netcdf file %s conventions do not include \"AMBERENSEMBLE\"\n",
filename_.base());
return TRAJIN_ERR;
}
// This will warn if conventions are not 1.0
CheckConventionsVersion();
// Get title
SetTitle( GetNcTitle() );
// Get Frame info
if ( SetupFrameDim()!=0 ) return TRAJIN_ERR;
if ( Ncframe() < 1 ) {
mprinterr("Error: Netcdf file is empty.\n");
return TRAJIN_ERR;
}
// Get ensemble info
int ensembleSize = SetupEnsembleDim();
if (ensembleSize < 1) {
mprinterr("Error: Could not get ensemble dimension info.\n");
return TRAJIN_ERR;
}
// Setup Coordinates/Velocities
if ( SetupCoordsVelo( useVelAsCoords_, useFrcAsCoords_ )!=0 ) return TRAJIN_ERR;
// Check that specified number of atoms matches expected number.
if (Ncatom() != trajParm->Natom()) {
mprinterr("Error: Number of atoms in NetCDF file %s (%i) does not\n"
"Error: match number in associated parmtop (%i)!\n",
filename_.base(), Ncatom(), trajParm->Natom());
return TRAJIN_ERR;
}
// Setup Time - FIXME: Allowed to fail silently
SetupTime();
// Box info
Box nc_box;
if (SetupBox(nc_box, NC_AMBERENSEMBLE) == 1) // 1 indicates an error
return TRAJIN_ERR;
// Replica Temperatures - FIXME: Allowed to fail silently
SetupTemperature();
// Replica Dimensions
ReplicaDimArray remdDim;
if ( SetupMultiD(remdDim) == -1 ) return TRAJIN_ERR;
// Set traj info: FIXME - no forces yet
SetCoordInfo( CoordinateInfo(ensembleSize, remdDim, nc_box, HasVelocities(),
HasTemperatures(), HasTimes(), false) );
if (debug_>1) NetcdfDebug();
//closeTraj();
// Close single thread for now
NC_close();
// Set up local ensemble parameters
# ifdef MPI
ensembleStart_ = Parallel::World().Rank();
ensembleEnd_ = Parallel::World().Rank() + 1;
# else
ensembleStart_ = 0;
ensembleEnd_ = ensembleSize;
# endif
// DEBUG: Print info for all ranks
WriteVIDs();
// Allocate float array
if (Coord_ != 0) delete[] Coord_;
Coord_ = new float[ Ncatom3() ];
return Ncframe();
}
bool Traj_AmberRestartNC::ID_TrajFormat(CpptrajFile& fileIn) {
if ( GetNetcdfConventions( fileIn.Filename().full() ) == NC_AMBERRESTART ) return true;
return false;
}
