示例#1
0
// Action_Esander::Init()
Action::RetType Action_Esander::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
# ifdef MPI
  trajComm_ = init.TrajComm();
# endif
  SANDER_.SetDebug( debugIn );
  Init_ = init;
  // Get keywords
  outfile_ = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  save_forces_ = actionArgs.hasKey("saveforces");
  ReferenceFrame REF = init.DSL().GetReferenceFrame( actionArgs );
  if (REF.error()) return Action::ERR;
  if (!REF.empty()) {
    refFrame_ = REF.Coord();
    currentParm_ = REF.ParmPtr();
  }
  if (SANDER_.SetInput( actionArgs )) return Action::ERR;
  // DataSet name and array
  setname_ = actionArgs.GetStringNext();
  if (setname_.empty())
    setname_ = init.DSL().GenerateDefaultName("ENE");
  Esets_.clear();
  Esets_.resize( (int)Energy_Sander::N_ENERGYTYPES, 0 );

  mprintf("    ESANDER: Calculating energy using Sander.\n");
  mprintf("\tTemporary topology file name is '%s'\n", SANDER_.TopFilename().full());
  if (save_forces_) mprintf("\tSaving force information to frame.\n");
  mprintf("\tReference for initialization");
  if (!REF.empty())
    mprintf(" is '%s'\n", REF.refName());
  else
    mprintf(" will be first frame.\n");
  return Action::OK;
}
示例#2
0
Action::RetType Action_CreateCrd::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Keywords
  Topology* parm = init.DSL().GetTopology( actionArgs );
  if (parm == 0) {
    mprinterr("Error: createcrd: No parm files loaded.\n");
    return Action::ERR;
  }
  pindex_ = parm->Pindex();
  check_ = !actionArgs.hasKey("nocheck");
  // DataSet
  std::string setname = actionArgs.GetStringNext();
  if (setname == "_DEFAULTCRD_") {
    // Special case: Creation of COORDS DataSet has been requested by an
    //               analysis and should already be present.
    coords_ = (DataSet_Coords_CRD*)init.DSL().FindSetOfType(setname, DataSet::COORDS);
  } else 
    coords_ = (DataSet_Coords_CRD*)init.DSL().AddSet(DataSet::COORDS, setname, "CRD");
  if (coords_ == 0) return Action::ERR;
  // Do not set topology here since it may be modified later.

  mprintf("    CREATECRD: Saving coordinates from Top %s to \"%s\"\n",
          parm->c_str(), coords_->legend());
  if (!check_)
    mprintf("\tNot strictly enforcing that all frames have same # atoms.\n");
# ifdef MPI
  if (init.TrajComm().Size() > 1)
    mprintf("Warning: Synchronization of COORDS data sets over multiple threads is\n"
            "Warning:   experimental and may be slower than reading in via a single\n"
            "Warning:   thread. Users are encouraged to run benchmarks before\n"
            "Warning:   extensive usage.\n");
# endif
  return Action::OK;
}
示例#3
0
Action::RetType Action_MultiVector::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  debug_ = debugIn;
  // Get keywords
  outfile_ = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs);
  std::string resrange_arg = actionArgs.GetStringKey("resrange");
  if (!resrange_arg.empty())
    if (resRange_.SetRange( resrange_arg )) return Action::ERR;
  ired_ = actionArgs.hasKey("ired");
  // Get atom names
  if (SetName(name1_, actionArgs.GetStringKey("name1"), "name1")) return Action::ERR;
  if (SetName(name2_, actionArgs.GetStringKey("name2"), "name2")) return Action::ERR;
  // Setup DataSet(s) name
  dsetname_ = actionArgs.GetStringNext();

  mprintf("    MULTIVECTOR: Calculating");
  if (ired_) mprintf(" IRED");
  if (!resRange_.Empty())
    mprintf(" vectors for residues in range %s\n", resRange_.RangeArg());
  else
    mprintf(" vectors for all solute residues.\n");
  mprintf("\tName1='%s' (origin)  Name2='%s'\n", *name1_, *name2_);
  if (!dsetname_.empty())
    mprintf("\tDataSet name: %s\n", dsetname_.c_str());
  if (outfile_ != 0) mprintf("\tOutput to %s\n", outfile_->DataFilename().base());
  init.DSL().SetDataSetsPending(true);
  masterDSL_ = init.DslPtr();
  return Action::OK;
}
示例#4
0
/** Called once before traj processing. Set up reference info. */
Action::RetType Action_DistRmsd::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Check for keywords
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  // Reference keywords
  // TODO: Can these just be put in the InitRef call?
  bool first = actionArgs.hasKey("first");
  ReferenceFrame REF = init.DSL().GetReferenceFrame( actionArgs );
  std::string reftrajname = actionArgs.GetStringKey("reftraj");
  Topology* RefParm = init.DSL().GetTopology( actionArgs );
  // Get the RMS mask string for target 
  std::string mask0 = actionArgs.GetMaskNext();
  TgtMask_.SetMaskString(mask0);
  // Get the RMS mask string for reference
  std::string mask1 = actionArgs.GetMaskNext();
  if (mask1.empty())
    mask1 = mask0;

  // Initialize reference
  if (refHolder_.InitRef(false, first, false, false, reftrajname, REF, RefParm,
                         mask1, actionArgs, "distrmsd"))
    return Action::ERR;
 
  // Set up the RMSD data set
  drmsd_ = init.DSL().AddSet(DataSet::DOUBLE, actionArgs.GetStringNext(),"DRMSD");
  if (drmsd_==0) return Action::ERR;
  // Add dataset to data file list
  if (outfile != 0) outfile->AddDataSet( drmsd_ );

  mprintf("    DISTRMSD: (%s), reference is %s\n",TgtMask_.MaskString(),
          refHolder_.RefModeString());

  return Action::OK;
}
示例#5
0
Action::RetType Action_Channel::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Keywords.
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  dxyz_[0] = actionArgs.getKeyDouble("dx", 0.35);
  dxyz_[1] = actionArgs.getKeyDouble("dy", dxyz_[0]);
  dxyz_[2] = actionArgs.getKeyDouble("dz", dxyz_[1]);
  // solute mask
  std::string sMask = actionArgs.GetMaskNext();
  if (sMask.empty()) {
    mprinterr("Error: No solute mask specified.\n");
    return Action::ERR;
  }
  soluteMask_.SetMaskString( sMask );
  // solvent mask
  sMask = actionArgs.GetMaskNext();
  if (sMask.empty())
    sMask.assign(":WAT@O");
  solventMask_.SetMaskString( sMask );

  // Grid Data Set
  grid_ = init.DSL().AddSet(DataSet::GRID_FLT, actionArgs.GetStringNext(), "Channel");
  if (grid_ == 0) return Action::ERR;
  if (outfile != 0) outfile->AddDataSet( grid_ );

  mprintf("Warning: *** THIS ACTION IS EXPERIMENTAL AND NOT FULLY IMPLEMENTED. ***\n");
  mprintf("    CHANNEL: Solute mask [%s], solvent mask [%s]\n",
          soluteMask_.MaskString(), solventMask_.MaskString());
  mprintf("\tSpacing: XYZ={ %g %g %g }\n", dxyz_[0], dxyz_[1], dxyz_[2]);
  return Action::OK;
}
示例#6
0
// Action_Angle::init()
Action::RetType Action_Angle::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Get keywords
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  useMass_ = actionArgs.hasKey("mass");

  // Get Masks
  std::string mask1 = actionArgs.GetMaskNext();
  std::string mask2 = actionArgs.GetMaskNext();
  std::string mask3 = actionArgs.GetMaskNext();
  if (mask1.empty() || mask2.empty() || mask3.empty()) {
    mprinterr("Error: angle: Requires 3 masks\n");
    return Action::ERR;
  }
  Mask1_.SetMaskString(mask1);
  Mask2_.SetMaskString(mask2);
  Mask3_.SetMaskString(mask3);

  // Dataset to store angles
  ang_ = init.DSL().AddSet(DataSet::DOUBLE,
                            MetaData(actionArgs.GetStringNext(),MetaData::M_ANGLE),"Ang");
  if (ang_==0) return Action::ERR;
  // Add dataset to data file list
  if (outfile != 0) outfile->AddDataSet( ang_ );

  mprintf("    ANGLE: [%s]-[%s]-[%s]\n",Mask1_.MaskString(), Mask2_.MaskString(), 
          Mask3_.MaskString());
  if (useMass_)
    mprintf("\tUsing center of mass of atoms in masks.\n");

  return Action::OK;
}
示例#7
0
// Action_FilterByData::Init()
Action::RetType Action_FilterByData::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  maxmin_ = init.DSL().AddSet( DataSet::INTEGER, actionArgs.GetStringKey("name"), "Filter" );
  if (maxmin_ == 0) return Action::ERR;
  DataFile* maxminfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  if (maxminfile != 0)
    maxminfile->AddDataSet( maxmin_ );
  // Get min and max args.
  while (actionArgs.Contains("min"))
    Min_.push_back( actionArgs.getKeyDouble("min", 0.0) );
  while (actionArgs.Contains("max"))
    Max_.push_back( actionArgs.getKeyDouble("max", 0.0) );
  if (Min_.empty()) {
    mprinterr("Error: At least one 'min' arg must be specified.\n");
    return Action::ERR;
  }
  if (Max_.empty()) {
    mprinterr("Error: At least one 'max' arg must be specified.\n");
    return Action::ERR;
  }
  if (Min_.size() != Max_.size()) {
    mprinterr("Error: # of 'min' args (%zu) != # of 'max' args (%zu)\n",
              Min_.size(), Max_.size());
    return Action::ERR;
  }
  // Get DataSets from remaining arguments
  Dsets_.AddSetsFromArgs( actionArgs.RemainingArgs(), init.DSL() );

  if (Dsets_.empty()) {
    mprinterr("Error: No data sets specified.\n");
    return Action::ERR;
  }

  if ( Dsets_.size() < Min_.size() ) {
    mprinterr("Error: More 'min'/'max' args (%zu) than data sets (%zu).\n",
              Min_.size(), Dsets_.size());
    return Action::ERR;
  }
  if ( Dsets_.size() > Min_.size() ) {
    unsigned int Nremaining = Dsets_.size() - Min_.size();
    double useMin = Min_.back();
    double useMax = Max_.back();
    mprintf("Warning: More data sets than 'min'/'max' args.\n"
            "Warning:  Using min=%f and max=%f for last %zu data sets.\n",
            useMin, useMax, Nremaining);
    for (unsigned int ds = 0; ds < Nremaining; ++ds) {
      Min_.push_back( useMin );
      Max_.push_back( useMax );
    }
  }

  mprintf("    FILTER: Filtering out frames using %zu data sets.\n", Dsets_.size());
  for (unsigned int ds = 0; ds < Dsets_.size(); ds++)
    mprintf("\t%.4f < '%s' < %.4f\n", Min_[ds], Dsets_[ds]->legend(), Max_[ds]);
  if (maxminfile != 0)
    mprintf("\tFilter frame info will be written to %s\n", maxminfile->DataFilename().full());

  return Action::OK;
}
示例#8
0
// Action_Outtraj::Init()
Action::RetType Action_Outtraj::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Set up output traj
  outtraj_.SetDebug(debugIn);
  std::string trajfilename = actionArgs.GetStringNext();
  if (trajfilename.empty()) {
    mprinterr("Error: No filename given.\nError: Usage: ");
    Help();
    return Action::ERR;
  }
  associatedParm_ = init.DSL().GetTopology(actionArgs);
  if (associatedParm_ == 0) {
    mprinterr("Error: Could not get associated topology for %s\n",trajfilename.c_str());
    return Action::ERR;
  }
  // If maxmin, get the name of the dataset as well as the max and min values.
  double lastmin = 0.0;
  double lastmax = 0.0;
  while ( actionArgs.Contains("maxmin") ) {
    std::string datasetName = actionArgs.GetStringKey("maxmin");
    if (!datasetName.empty()) {
      DataSet* dset = init.DSL().GetDataSet(datasetName);
      if (dset==0) {
        mprintf("Error: maxmin: Could not get dataset %s\n",datasetName.c_str());
        return Action::ERR;
      } else {
        // Currently only allow int, float, or double datasets
        if (dset->Type() != DataSet::INTEGER &&
            dset->Type() != DataSet::FLOAT &&
            dset->Type() != DataSet::DOUBLE) 
        {
          mprinterr("Error: maxmin: Only int, float, or double dataset (%s) supported.\n",
                  datasetName.c_str());
          return Action::ERR;
        }
        Dsets_.push_back( (DataSet_1D*)dset );
        Max_.push_back( actionArgs.getKeyDouble("max",lastmax) );
        Min_.push_back( actionArgs.getKeyDouble("min",lastmin) );
        lastmax = Max_.back();
        lastmin = Min_.back();
      }
    } else {
      mprinterr("Error: maxmin Usage: maxmin <setname> max <max> min <min>\n");
      return Action::ERR;
    }
  }
  // Initialize output trajectory with remaining arguments
  if ( outtraj_.InitEnsembleTrajWrite(trajfilename, actionArgs.RemainingArgs(), 
                                      TrajectoryFile::UNKNOWN_TRAJ, init.DSL().EnsembleNum()) ) 
    return Action::ERR;
  isSetup_ = false;

  mprintf("    OUTTRAJ: Writing frames associated with topology '%s'\n", associatedParm_->c_str());
  for (unsigned int ds = 0; ds < Dsets_.size(); ++ds)
    mprintf("\tmaxmin: Printing trajectory frames based on %g <= %s <= %g\n",
            Min_[ds], Dsets_[ds]->legend(), Max_[ds]);

  return Action::OK;
} 
// Action_VelocityAutoCorr::Init()
Action::RetType Action_VelocityAutoCorr::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  if (actionArgs.hasKey("usevelocity")) {
    mprinterr("Error: The 'usevelocity' keyword is deprecated. Velocity information\n"
              "Error:   is now used by default if present. To force cpptraj to use\n"
              "Error:   coordinates to estimate velocities (not recommended) use the\n"
              "Error:   'usecoords' keyword.\n");
    return Action::ERR;
  }
  useVelInfo_ = !actionArgs.hasKey("usecoords");
  if (mask_.SetMaskString( actionArgs.GetMaskNext() )) return Action::ERR;
  DataFile* outfile =  init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  diffout_ = init.DFL().AddCpptrajFile( actionArgs.GetStringKey("diffout"),
                                        "VAC diffusion constants", DataFileList::TEXT, true );
  maxLag_ = actionArgs.getKeyInt("maxlag", -1);
  tstep_ = actionArgs.getKeyDouble("tstep", 1.0);
  useFFT_ = !actionArgs.hasKey("direct");
  normalize_ = actionArgs.hasKey("norm");
  // Set up output data set
  VAC_ = init.DSL().AddSet(DataSet::DOUBLE, actionArgs.GetStringNext(), "VAC");
  if (VAC_ == 0) return Action::ERR;
  // TODO: This should just be a scalar
  diffConst_ = init.DSL().AddSet(DataSet::DOUBLE,
                                 MetaData(VAC_->Meta().Name(), "D", MetaData::NOT_TS));
  if (diffConst_ == 0) return Action::ERR;
  if (outfile != 0) outfile->AddDataSet( VAC_ );
# ifdef MPI
  trajComm_ = init.TrajComm(); 
  if (trajComm_.Size() > 1 && !useVelInfo_)
    mprintf("\nWarning: When calculating velocities between consecutive frames,\n"
            "\nWarning:   'velocityautocorr' in parallel will not work correctly if\n"
            "\nWarning:   coordinates have been modified by previous actions (e.g. 'rms').\n\n");
  diffConst_->SetNeedsSync( false );
# endif
  mprintf("    VELOCITYAUTOCORR:\n"
          "\tCalculate velocity auto-correlation function for atoms in mask '%s'\n",
          mask_.MaskString());
  if (useVelInfo_)
    mprintf("\tUsing velocity information present in frames.\n");
  else
    mprintf("\tCalculating velocities between consecutive frames from coordinates.\n");
  if (outfile != 0)
    mprintf("\tOutput velocity autocorrelation function '%s' to '%s'\n", VAC_->legend(), 
            outfile->DataFilename().full());
  mprintf("\tWriting diffusion constants to '%s'\n", diffout_->Filename().full());
  if (maxLag_ < 1)
    mprintf("\tMaximum lag will be half total # of frames");
  else
    mprintf("\tMaximum lag is %i frames", maxLag_);
  mprintf(", time step between frames is %f ps\n", tstep_);
  if (useFFT_)
    mprintf("\tUsing FFT to calculate autocorrelation function.\n");
  else
    mprintf("\tUsing direct method to calculate autocorrelation function.\n");
  if (normalize_)
    mprintf("\tNormalizing autocorrelation function to 1.0\n");
  return Action::OK;
}
示例#10
0
// Action_Grid::Init()
Action::RetType Action_Grid::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
    debug_ = debugIn;
    nframes_ = 0;
    // Get output filename
    std::string filename = actionArgs.GetStringKey("out");
    // Get grid options
    grid_ = GridInit( "GRID", actionArgs, init.DSL() );
    if (grid_ == 0) return Action::ERR;

    // Get extra options
    max_ = actionArgs.getKeyDouble("max", 0.80);
    madura_ = actionArgs.getKeyDouble("madura", 0);
    smooth_ = actionArgs.getKeyDouble("smoothdensity", 0);
    invert_ = actionArgs.hasKey("invert");
    pdbfile_ = init.DFL().AddCpptrajFile(actionArgs.GetStringKey("pdb"),"Grid PDB",DataFileList::PDB,true);
    density_ = actionArgs.getKeyDouble("density",0.033456);
    if (actionArgs.hasKey("normframe")) normalize_ = TO_FRAME;
    else if (actionArgs.hasKey("normdensity")) normalize_ = TO_DENSITY;
    else normalize_ = NONE;
    if (normalize_ != NONE && (smooth_ > 0.0 || madura_ > 0.0)) {
        mprinterr("Error: Normalize options are not compatible with smoothdensity/madura options.\n");
        init.DSL().RemoveSet( grid_ );
        return Action::ERR;
    }
    // Get mask
    std::string maskexpr = actionArgs.GetMaskNext();
    if (maskexpr.empty()) {
        mprinterr("Error: GRID: No mask specified.\n");
        init.DSL().RemoveSet( grid_ );
        return Action::ERR;
    }
    mask_.SetMaskString(maskexpr);

    // Setup output file
    // For backwards compat., if no 'out' assume next string is filename
    if (filename.empty() && actionArgs.Nargs() > 1 && !actionArgs.Marked(1))
        filename = actionArgs.GetStringNext();
    DataFile* outfile = init.DFL().AddDataFile(filename, actionArgs);
    if (outfile != 0) outfile->AddDataSet((DataSet*)grid_);

    // Info
    mprintf("    GRID:\n");
    GridInfo( *grid_ );
    if (outfile != 0) mprintf("\tGrid will be printed to file %s\n", outfile->DataFilename().full());
    mprintf("\tGrid data set: '%s'\n", grid_->legend());
    mprintf("\tMask expression: [%s]\n",mask_.MaskString());
    if (pdbfile_ != 0)
        mprintf("\tPseudo-PDB will be printed to %s\n", pdbfile_->Filename().full());
    if (normalize_ == TO_FRAME)
        mprintf("\tGrid will be normalized by number of frames.\n");
    else if (normalize_ == TO_DENSITY)
        mprintf("\tGrid will be normalized to a density of %g molecules/Ang^3.\n", density_);
    // TODO: print extra options

    return Action::OK;
}
示例#11
0
// -----------------------------------------------------------------------------
// Action_Jcoupling::Init()
Action::RetType Action_Jcoupling::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  debug_ = debugIn;
  outfile_ = 0;
  // Get Keywords
  outputfile_ = init.DFL().AddCpptrajFile(actionArgs.GetStringKey("outfile"), "J-coupling");
  outfile_ = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  std::string karpluspath = actionArgs.GetStringKey("kfile");
  setname_ = actionArgs.GetStringKey("name");
  // Get Masks
  if (Mask1_.SetMaskString( actionArgs.GetMaskNext() )) return Action::ERR;

  // If no Karplus params specified check environment vars. 
  if (karpluspath.empty()) {
    // Check if the KARPLUS env var is set.
    const char* env = getenv("KARPLUS");
    if (env != 0) {
      mprintf("Info: Using parameter file defined by $KARPLUS environment variable.\n");
      karpluspath.assign(env);
    } else {
      // If KARPLUS not set check for $AMBERHOME/dat/Karplus.txt
      env = getenv("AMBERHOME");
      if (env == 0) {
        mprinterr("Error: Either AMBERHOME must be set or KARPLUS must point\n"
                  "Error:   to the file containing Karplus parameters.\n");
        return Action::ERR;
      }
      mprintf("Info: Using parameter file in '$AMBERHOME/dat/'.\n");
      karpluspath.assign(env);
      karpluspath += "/dat/Karplus.txt";
    }
  }
  // Load Karplus parameters
  if (loadKarplus(karpluspath)) 
    return Action::ERR;

  mprintf("    J-COUPLING: Searching for dihedrals in mask [%s].\n"
          "\tUsing Karplus parameters in \"%s\"\n"
          "\t%i parameters found for %zu residues.\n",
          Mask1_.MaskString(), karpluspath.c_str(), Nconstants_, KarplusConstants_.size());
  if (outfile_ != 0)
    mprintf("\tDataSets will be written to %s\n", outfile_->DataFilename().full());
  if (outputfile_ != 0)
    mprintf("\tWriting fixed-format output to %s\n",outputfile_->Filename().full());
  mprintf("# Citations: Chou et al. JACS (2003) 125 p.8959-8966\n"
          "#            Perez et al. JACS (2001) 123 p.7081-7093\n");
  init.DSL().SetDataSetsPending(true);
  masterDSL_ = init.DslPtr();
  return Action::OK;
}
示例#12
0
// Action_Energy::Init()
Action::RetType Action_Energy::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  ENE_.SetDebug( debugIn );
  // Get keywords
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  // Which terms will be calculated?
  Ecalcs_.clear();
  if (actionArgs.hasKey("bond"))     Ecalcs_.push_back(BND);
  if (actionArgs.hasKey("angle"))    Ecalcs_.push_back(ANG);
  if (actionArgs.hasKey("dihedral")) Ecalcs_.push_back(DIH);
  if (actionArgs.hasKey("nb14"))     Ecalcs_.push_back(N14);
  if (actionArgs.hasKey("nonbond"))  Ecalcs_.push_back(NBD);
  // If nothing is selected, select all.
  if (Ecalcs_.empty()) {
    for (int c = 0; c <= (int)NBD; c++)
      Ecalcs_.push_back( (CalcType)c );
  }

  // Get Masks
  Mask1_.SetMaskString( actionArgs.GetMaskNext() );

  // DataSet
  std::string setname = actionArgs.GetStringNext();
  if (setname.empty())
    setname = init.DSL().GenerateDefaultName("ENE");
  Energy_.clear();
  Energy_.resize( (int)TOTAL + 1, 0 );
  for (calc_it calc = Ecalcs_.begin(); calc != Ecalcs_.end(); ++calc)
  {
    switch (*calc) {
      case BND: if (AddSet(BOND, init.DSL(), outfile, setname)) return Action::ERR; break;
      case ANG: if (AddSet(ANGLE, init.DSL(), outfile, setname)) return Action::ERR; break;
      case DIH: if (AddSet(DIHEDRAL, init.DSL(), outfile, setname)) return Action::ERR; break;
      case N14:
        if (AddSet(V14, init.DSL(), outfile, setname)) return Action::ERR;
        if (AddSet(Q14, init.DSL(), outfile, setname)) return Action::ERR;
        break;
      case NBD:
        if (AddSet(VDW, init.DSL(), outfile, setname)) return Action::ERR;
        if (AddSet(ELEC, init.DSL(), outfile, setname)) return Action::ERR;
        break;
    }
  }
//  if (Ecalcs_.size() > 1) {
    if (AddSet(TOTAL, init.DSL(), outfile, setname)) return Action::ERR;
//  }
      
  mprintf("    ENERGY: Calculating energy for atoms in mask '%s'\n", Mask1_.MaskString());
  mprintf("\tCalculating terms:");
  for (calc_it calc = Ecalcs_.begin(); calc != Ecalcs_.end(); ++calc)
    mprintf(" %s", Cstring[*calc]);
  mprintf("\n");

  return Action::OK;
}
示例#13
0
// Action_SymmetricRmsd::Init()
Action::RetType Action_SymmetricRmsd::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Check for keywords
  bool fit = !actionArgs.hasKey("nofit");
  bool useMass = actionArgs.hasKey("mass");
  DataFile* outfile = init.DFL().AddDataFile(actionArgs.GetStringKey("out"), actionArgs);
  remap_ = actionArgs.hasKey("remap");
  // Reference keywords
  bool previous = actionArgs.hasKey("previous");
  bool first = actionArgs.hasKey("first");
  ReferenceFrame REF = init.DSL().GetReferenceFrame( actionArgs );
  std::string reftrajname = actionArgs.GetStringKey("reftraj");
  Topology* RefParm = init.DSL().GetTopology( actionArgs );
  // Get the RMS mask string for target
  std::string tMaskExpr = actionArgs.GetMaskNext();
  if (tgtMask_.SetMaskString( tMaskExpr )) return Action::ERR;
  // Initialize Symmetric RMSD calc.
  if (SRMSD_.InitSymmRMSD( fit, useMass, debugIn )) return Action::ERR;
  // Initialize reference
  std::string rMaskExpr = actionArgs.GetMaskNext();
  if (rMaskExpr.empty())
    rMaskExpr = tMaskExpr;
  if (REF_.InitRef(previous, first, useMass, fit, reftrajname, REF, RefParm,
                   rMaskExpr, actionArgs, "symmrmsd"))
    return Action::ERR;
  // Set up the RMSD data set.
  MetaData md(actionArgs.GetStringNext(), MetaData::M_RMS); 
  rmsd_ = init.DSL().AddSet(DataSet::DOUBLE, md, "RMSD");
  if (rmsd_==0) return Action::ERR;
  // Add dataset to data file list
  if (outfile != 0) outfile->AddDataSet( rmsd_ );
  if (remap_ || SRMSD_.Fit())
    action_return_ = Action::MODIFY_COORDS;
  else
    action_return_ = Action::OK;
  
  mprintf("    SYMMRMSD: (%s), reference is %s", tgtMask_.MaskString(),
          REF_.RefModeString());
  if (!SRMSD_.Fit())
    mprintf(", no fitting");
  else
    mprintf(", with fitting");
  if (SRMSD_.UseMass())
    mprintf(", mass-weighted");
  mprintf(".\n");
  if (remap_) mprintf("\tAtoms will be re-mapped for symmetry.\n");
  return Action::OK;
}
示例#14
0
// Action_AtomicCorr::Init()
Action::RetType Action_AtomicCorr::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  debug_ = debugIn;
  outfile_ = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  cut_ = actionArgs.getKeyDouble("cut", 0.0);
  if (cut_ < 0.0 || cut_ > 1.0) {
    mprinterr("Error: cut value must be between 0 and 1.\n");
    return Action::ERR;
  }
  min_ = actionArgs.getKeyInt("min",0);
  if (actionArgs.hasKey("byatom"))
    acorr_mode_ = ATOM;
  else if (actionArgs.hasKey("byres"))
    acorr_mode_ = RES;
  mask_.SetMaskString( actionArgs.GetMaskNext() );
  
  // Set up DataSet
  dset_ = init.DSL().AddSet( DataSet::MATRIX_FLT, actionArgs.GetStringNext(), "ACorr" );
  if (dset_ == 0) {
    mprinterr("Error: Could not allocate output data set.\n");
    return Action::ERR;
  }
  // Add DataSet to output file
  if (outfile_ != 0) outfile_->AddDataSet( dset_ );

  mprintf("    ATOMICCORR: Correlation of %s motions will be calculated for\n",
          ModeString[acorr_mode_]);
  mprintf("\tatoms in mask [%s]", mask_.MaskString());
  if (outfile_ != 0) mprintf(", output to file %s", outfile_->DataFilename().full());
  mprintf("\n\tData saved in set '%s'\n", dset_->legend());
  if (cut_ != 0)
    mprintf("\tOnly correlations greater than %.2f or less than -%.2f will be printed.\n",
            cut_,cut_);
  if (min_!=0)
    mprintf("\tOnly correlations for %ss > %i apart will be calculated.\n",
            ModeString[acorr_mode_],min_);
# ifdef MPI
  trajComm_ = init.TrajComm();
  if (trajComm_.Size() > 1)
    mprintf("\nWarning: 'atomiccorr' in parallel will not work correctly if coordinates have\n"
              "Warning:   been modified by previous actions (e.g. 'rms').\n\n");
  // Since matrix calc only happens in Print(), no sync needed.
  dset_->SetNeedsSync( false );
# endif
  return Action::OK;
}
示例#15
0
// Action_Distance::Init()
Action::RetType Action_Distance::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  AssociatedData_NOE noe;
  // Get Keywords
  image_.InitImaging( !(actionArgs.hasKey("noimage")) );
  useMass_ = !(actionArgs.hasKey("geom"));
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  MetaData::scalarType stype = MetaData::UNDEFINED;
  std::string stypename = actionArgs.GetStringKey("type");
  if ( stypename == "noe" ) {
    stype = MetaData::NOE;
    if (noe.NOE_Args( actionArgs )) return Action::ERR;
  }
  // Get Masks
  std::string mask1 = actionArgs.GetMaskNext();
  std::string mask2 = actionArgs.GetMaskNext();
  if (mask1.empty() || mask2.empty()) {
    mprinterr("Error: distance requires 2 masks\n");
    return Action::ERR;
  }
  Mask1_.SetMaskString(mask1);
  Mask2_.SetMaskString(mask2);

  // Dataset to store distances TODO store masks in data set?
  dist_ = init.DSL().AddSet(DataSet::DOUBLE, MetaData(actionArgs.GetStringNext(),
                                                MetaData::M_DISTANCE, stype), "Dis");
  if (dist_==0) return Action::ERR;
  if ( stype == MetaData::NOE ) {
    dist_->AssociateData( &noe );
    dist_->SetLegend(Mask1_.MaskExpression() + " and " + Mask2_.MaskExpression());
  }
  // Add dataset to data file
  if (outfile != 0) outfile->AddDataSet( dist_ );

  mprintf("    DISTANCE: %s to %s",Mask1_.MaskString(), Mask2_.MaskString());
  if (!image_.UseImage()) 
    mprintf(", non-imaged");
  if (useMass_) 
    mprintf(", center of mass");
  else
    mprintf(", geometric center");
  mprintf(".\n");

  return Action::OK;
}
示例#16
0
// Action_Center::Init()
Action::RetType Action_Center::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Get keywords
  useMass_ = actionArgs.hasKey("mass");
  ReferenceFrame refFrm = init.DSL().GetReferenceFrame( actionArgs );
  if (refFrm.error()) return Action::ERR;
  // Determine center mode.
  if (!refFrm.empty())
    centerMode_ = REF;
  else if (actionArgs.hasKey("origin"))
    centerMode_ = ORIGIN;
  else if (actionArgs.hasKey("point")) {
    centerMode_ = POINT;
    refCenter_[0] = actionArgs.getNextDouble(0.0);
    refCenter_[1] = actionArgs.getNextDouble(0.0);
    refCenter_[2] = actionArgs.getNextDouble(0.0);
  } else
    centerMode_ = BOXCTR;

  // Get Masks
  Mask_.SetMaskString( actionArgs.GetMaskNext() );
  // Get reference mask if reference specified.
  AtomMask refMask;
  if (centerMode_ == REF) {
    std::string rMaskExpr = actionArgs.GetMaskNext();
    if (rMaskExpr.empty())
      rMaskExpr = Mask_.MaskExpression();
    refMask.SetMaskString( rMaskExpr );
    if (refFrm.Parm().SetupIntegerMask( refMask, refFrm.Coord() ))
      return Action::ERR;
    // Get center of mask in reference
    if (useMass_)
      refCenter_ = refFrm.Coord().VCenterOfMass( refMask );
    else
      refCenter_ = refFrm.Coord().VGeometricCenter( refMask );
  }

  mprintf("    CENTER: Centering coordinates using");
  if (useMass_)
    mprintf(" center of mass");
  else
    mprintf(" geometric center");
  mprintf(" of atoms in mask (%s) to\n", Mask_.MaskString());
  switch (centerMode_) {
    case ORIGIN: mprintf("\tcoordinate origin.\n"); break;
    case BOXCTR: mprintf("\tbox center.\n"); break;
    case REF:
      mprintf("\tcenter of mask (%s) in reference '%s'.\n", refMask.MaskString(),
              refFrm.refName());
      break;
    case POINT:  mprintf("\tpoint (%g, %g, %g).\n",
                         refCenter_[0], refCenter_[1], refCenter_[2]);
      break;
  }
  return Action::OK;
}
示例#17
0
// Action_VelocityAutoCorr::Init()
Action::RetType Action_VelocityAutoCorr::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  useVelInfo_ = actionArgs.hasKey("usevelocity");
  mask_.SetMaskString( actionArgs.GetMaskNext() );
  DataFile* outfile =  init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  maxLag_ = actionArgs.getKeyInt("maxlag", -1);
  tstep_ = actionArgs.getKeyDouble("tstep", 1.0);
  useFFT_ = !actionArgs.hasKey("direct");
  normalize_ = actionArgs.hasKey("norm");
  // Set up output data set
  VAC_ = init.DSL().AddSet(DataSet::DOUBLE, actionArgs.GetStringNext(), "VAC");
  if (VAC_ == 0) return Action::ERR;
  if (outfile != 0) outfile->AddDataSet( VAC_ );
# ifdef MPI
  trajComm_ = init.TrajComm(); 
  if (trajComm_.Size() > 1 && !useVelInfo_)
    mprintf("\nWarning: When calculating velocities between consecutive frames,\n"
            "\nWarning:   'velocityautocorr' in parallel will not work correctly if\n"
            "\nWarning:   coordinates have been modified by previous actions (e.g. 'rms').\n\n");
# endif
  mprintf("    VELOCITYAUTOCORR:\n"
          "\tCalculate velocity auto-correlation function for atoms in mask '%s'\n",
          mask_.MaskString());
  if (useVelInfo_)
    mprintf("\tUsing velocity information present in frames.\n");
  else
    mprintf("\tCalculating velocities between consecutive frames.\n");
  if (outfile != 0)
    mprintf("\tOutput data set '%s' to '%s'\n", VAC_->legend(), 
            outfile->DataFilename().full());
  if (maxLag_ < 1)
    mprintf("\tMaximum lag will be half total # of frames");
  else
    mprintf("\tMaximum lag is %i frames", maxLag_);
  mprintf(", time step is %f ps\n", tstep_);
  if (useFFT_)
    mprintf("\tUsing FFT to calculate autocorrelation function.\n");
  else
    mprintf("\tUsing direct method to calculate autocorrelation function.\n");
  if (normalize_)
    mprintf("\tNormalizing autocorrelation function to 1.0\n");
  return Action::OK;
}
示例#18
0
// Action_Principal::Init()
Action::RetType Action_Principal::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  debug_ = debugIn;
  // Keywords
  std::string dsname = actionArgs.GetStringKey("name");
  doRotation_ = actionArgs.hasKey("dorotation");
  // CPPTRAJ always uses mass no matter what this keyword says.
  useMass_ = actionArgs.hasKey("mass");
  std::string filename = actionArgs.GetStringKey("out");
  if (!doRotation_ && filename.empty() && dsname.empty()) {
    mprinterr("Error: At least one of 'dorotation', 'out <filename>', or 'name <dsname>' must be specified.\n");
    return Action::ERR;
  }
  // Masks
  mask_.SetMaskString( actionArgs.GetMaskNext() );
  // Set up data
  if (!dsname.empty()) {
     vecData_ = (DataSet_Mat3x3*)init.DSL().AddSet(DataSet::MAT3X3, MetaData(dsname, "evec"));
     valData_ = (DataSet_Vector*)init.DSL().AddSet(DataSet::VECTOR, MetaData(dsname, "eval"));
     if (vecData_ == 0 || valData_ == 0) return Action::ERR;
  }

  mprintf("    PRINCIPAL:");
  if (!filename.empty()) {
    outfile_ = init.DFL().AddCpptrajFile(filename, "Eigenvectors/Eigenvalues");
    if (outfile_ == 0) return Action::ERR;
    mprintf(" output eigenvectors/eigenvalues to %s,", outfile_->Filename().full());
  }
  if (doRotation_)
    mprintf(" with rotation by");
  else
    mprintf(" without rotation by");
  if (useMass_)
    mprintf(" center of mass");
  else
    mprintf(" center of geometry");
  mprintf(", atoms selected by [%s]\n", mask_.MaskString());
  if (vecData_ != 0)
    mprintf("\tSaving eigenvectors to '%s' (in rows of 3x3 matrices).\n"
            "\tSaving eigenvalues to '%s'\n", vecData_->legend(), valData_->legend());

  return Action::OK;
}
示例#19
0
// Action_GridFreeEnergy::init()
Action::RetType Action_GridFreeEnergy::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Get output filename
  DataFile* outfile = init.DFL().AddDataFile(actionArgs.GetStringNext(), actionArgs);
  if (outfile == 0) {
    mprinterr("Error: GridFreeEnergy: no output filename specified.\n");
    return Action::ERR;
  }
  // Get grid options (<nx> <dx> <ny> <dy> <nz> <dz> [box|origin] [negative])
  grid_ = GridInit( "GridFreeEnergy", actionArgs, init.DSL() );
  if (grid_ == 0) return Action::ERR;
# ifdef MPI
  if (ParallelGridInit(init.TrajComm(), grid_)) return Action::ERR;
# endif
  //grid_.PrintXplor( filename_, "", "REMARKS Change in Free energy from bulk solvent with bin normalisation of " + integerToString(currentLargestVoxelOccupancyCount) );

  // Get mask
  std::string maskexpr = actionArgs.GetMaskNext();
  if (maskexpr.empty()) {
    mprinterr("Error: GridFreeEnergy: No mask specified.\n");
    init.DSL().RemoveSet( grid_ );
    return Action::ERR;
  }
  mask_.SetMaskString(maskexpr);

  // Get extra args
  tempInKevin_ = actionArgs.getKeyDouble("temp", 293.0);
  outfile->AddDataSet( grid_ );

  // Info
  mprintf("Warning: DNAIONTRACKER is experimental code!\n");
  mprintf("    GridFreeEnergy\n");
  GridInfo( *grid_ );
  mprintf("\tGrid will be printed to file %s\n",outfile->DataFilename().full());
  mprintf("\tMask expression: [%s]\n",mask_.MaskString());
  mprintf("\tTemp is : %f K\n",tempInKevin_);

  // Allocate grid
  //if (GridAllocate()) return 1;

  return Action::OK;
}
示例#20
0
// Action_Surf::Init()
Action::RetType Action_Surf::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Get keywords
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs);

  // Get Masks
  Mask1_.SetMaskString( actionArgs.GetMaskNext() );

  // Dataset to store surface area 
  surf_ = init.DSL().AddSet(DataSet::DOUBLE, actionArgs.GetStringNext(), "SA");
  if (surf_==0) return Action::ERR;
  // Add dataset to data file list
  if (outfile != 0) outfile->AddDataSet( surf_ );

  mprintf("    SURF: Calculating surface area for atoms in mask [%s]\n",Mask1_.MaskString());
  mprintf("#Citation: Weiser, J.; Shenkin, P. S.; Still, W. C.; \"Approximate atomic\n"
          "#          surfaces from linear combinations of pairwise overlaps (LCPO).\"\n"
          "#          J. Comp. Chem. (1999), V.20, pp.217-230.\n");

  return Action::OK;
}
示例#21
0
// Action_AtomicCorr::Init()
Action::RetType Action_AtomicCorr::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  debug_ = debugIn;
  outfile_ = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  cut_ = actionArgs.getKeyDouble("cut", 0.0);
  if (cut_ < 0.0 || cut_ > 1.0) {
    mprinterr("Error: cut value must be between 0 and 1.\n");
    return Action::ERR;
  }
  min_ = actionArgs.getKeyInt("min",0);
  if (actionArgs.hasKey("byatom"))
    acorr_mode_ = ATOM;
  else if (actionArgs.hasKey("byres"))
    acorr_mode_ = RES;
  mask_.SetMaskString( actionArgs.GetMaskNext() );
  
  // Set up DataSet
  dset_ = init.DSL().AddSet( DataSet::MATRIX_FLT, actionArgs.GetStringNext(), "ACorr" );
  if (dset_ == 0) {
    mprinterr("Error: Could not allocate output data set.\n");
    return Action::ERR;
  }
  // Add DataSet to output file
  if (outfile_ != 0) outfile_->AddDataSet( dset_ );

  mprintf("    ATOMICCORR: Correlation of %s motions will be calculated for\n",
          ModeString[acorr_mode_]);
  mprintf("\tatoms in mask [%s]", mask_.MaskString());
  if (outfile_ != 0) mprintf(", output to file %s", outfile_->DataFilename().full());
  mprintf("\n\tData saved in set '%s'\n", dset_->legend());
  if (cut_ != 0)
    mprintf("\tOnly correlations greater than %.2f or less than -%.2f will be printed.\n",
            cut_,cut_);
  if (min_!=0)
    mprintf("\tOnly correlations for %ss > %i apart will be calculated.\n",
            ModeString[acorr_mode_],min_);

  return Action::OK;
}
示例#22
0
// Action_Unwrap::Init()
Action::RetType Action_Unwrap::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Get Keywords
  center_ = actionArgs.hasKey("center");
  if (actionArgs.hasKey("bymol"))
    imageMode_ = Image::BYMOL;
  else if (actionArgs.hasKey("byres"))
    imageMode_ = Image::BYRES;
  else if (actionArgs.hasKey("byatom")) {
    imageMode_ = Image::BYATOM;
    // Unwrapping to center by atom makes no sense
    if (center_) center_ = false;
  } else
    imageMode_ = Image::BYATOM;
  // Get reference
  ReferenceFrame REF = init.DSL().GetReferenceFrame( actionArgs );
  if (REF.error()) return Action::ERR;
  if (!REF.empty()) {
    RefFrame_ = REF.Coord();
    // Get reference parm for frame
    RefParm_ = REF.ParmPtr();
  }

  // Get mask string
  maskExpression_ = actionArgs.GetMaskNext();

  mprintf("    UNWRAP: By %s", Image::ModeString(imageMode_));
  if (!maskExpression_.empty())
    mprintf(" using mask '%s'", maskExpression_.c_str());
  else
    mprintf(" using all atoms");
  if (imageMode_ != Image::BYATOM) {
    if (center_)
      mprintf(" based on center of mass.");
    else
      mprintf(" based on first atom position.");
  }
  mprintf("\n");
  if ( !REF.empty())
    mprintf("\tReference is %s", REF.refName());
  else
    mprintf("\tReference is first frame.");
  mprintf("\n");

  return Action::OK;
}
示例#23
0
// Action_CheckStructure::Init()
Action::RetType Action_CheckStructure::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Get Keywords
  std::string around = actionArgs.GetStringKey("around");
  SeparateInit( !(actionArgs.hasKey("noimage")), actionArgs.GetMaskNext(),
                around, actionArgs.GetStringKey("reportfile"),
                actionArgs.getKeyDouble("cut",0.8),
                actionArgs.getKeyDouble("offset",1.15),
                actionArgs.hasKey("silent"), init.DFL() );
  // DoAction-only keywords.
  bondcheck_ = !actionArgs.hasKey("nobondcheck");
  skipBadFrames_ = actionArgs.hasKey("skipbadframes");

  mprintf("    CHECKSTRUCTURE: Checking atoms in mask '%s'",Mask1_.MaskString());
  if (Mask2_.MaskStringSet())
    mprintf(" around mask '%s'", Mask2_.MaskString());
  if (!image_.UseImage())
    mprintf(", imaging off");
  if (outfile_ != 0)
    mprintf(", output to %s", outfile_->Filename().full());
  mprintf(".\n");
  if (!bondcheck_) {
    mprintf("\tChecking inter-atomic distances only.\n");
    mprintf("\tWarnings will be printed for non-bond distances < %.2f Ang.\n", sqrt(nonbondcut2_));
  } else {
    mprintf("\tChecking inter-atomic and bond distances.\n");
    mprintf("\tWarnings will be printed for bond lengths > eq + %.2f Ang\n",
            bondoffset_);
    mprintf("\tand non-bond distances < %.2f Ang.\n", sqrt(nonbondcut2_));
  }
  if (skipBadFrames_)
    mprintf("\tFrames with problems will be skipped.\n");
  if (silent_)
    mprintf("\tWarning messages will be suppressed.\n");
# ifdef _OPENMP
# pragma omp parallel
  {
#   pragma omp master
    {
    mprintf("\tParallelizing calculation with %i threads.\n", omp_get_num_threads());
    }
  }
# endif
  return Action::OK;
}
示例#24
0
// Action_LESsplit::Init()
Action::RetType Action_LESsplit::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  if (init.DSL().EnsembleNum() > -1) {
    mprinterr("Error: LESSPLIT currently cannot be used in ensemble mode.\n");
    return Action::ERR;
  }
  trajfilename_ = actionArgs.GetStringKey("out");
  avgfilename_ = actionArgs.GetStringKey("average");
  lesSplit_ = !trajfilename_.empty();
  lesAverage_ = !avgfilename_.empty();
  if (!lesSplit_ && !lesAverage_) {
    mprinterr("Error: Must specify at least 'out <prefix>' or 'average <name>'.\n");
    return Action::ERR;
  }
  trajArgs_ = actionArgs.RemainingArgs();
  
  mprintf("    LESSPLIT:\n");
  if (lesSplit_) mprintf("\tSplit output to '%s.X'\n", trajfilename_.c_str());
  if (lesAverage_) mprintf("\tAverage output to '%s'\n", avgfilename_.c_str());
  return Action::OK;
}
示例#25
0
// Action_Contacts::Init()
Action::RetType Action_Contacts::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{

  byResidue_ = actionArgs.hasKey("byresidue");
  double dist = actionArgs.getKeyDouble("distance", 7.0);
  dt_ = actionArgs.getKeyDouble("time", 1.0);
  // Square the cutoff
  distance_ = dist * dist;
  first_ = actionArgs.hasKey("first");
  // Get reference
  ReferenceFrame REF = init.DSL().GetReferenceFrame( actionArgs );
  if (REF.error()) return Action::ERR;
  std::string outfilename = actionArgs.GetStringKey("out"); 
  outfile_ = init.DFL().AddCpptrajFile(outfilename, "Contacts", DataFileList::TEXT, true);
  if (outfile_ == 0) return Action::ERR;
  if (byResidue_) {
    if (outfilename.empty()) {
      mprinterr("Error: Contacts 'byresidue' requires output filename.\n");
      return Action::ERR;
    }
    outfile2_ = init.DFL().AddCpptrajFile(outfilename + ".native", "Contacts by residue");
    if (outfile2_ == 0) return Action::ERR;
  }

  // Get Mask
  std::string mask0 = actionArgs.GetMaskNext();
  if (mask0.empty() && byResidue_)
    Mask_.SetMaskString("@CA");
  else
    Mask_.SetMaskString( mask0 );
  
  // Initialize reference. If no reference mask is given mask0 will be used.
  // First arg 'nofit' set to true, no fitting with contacts. Allows last arg
  // 'RefTrans' to be null.
  //if (RefInit(true, false, Mask_.MaskString(), actionArgs, FL, PFL, 0)!=0)
  //  return 1;
  if (!first_ && REF.empty()) {
    mprintf("\tNo reference structure specified. Defaulting to first.\n");
    first_ = true;
  }

  if (!first_) {
    // TODO: Convert FrameList to return frame reference?
    // Set up atom mask for reference frame
    if (REF.Parm().SetupIntegerMask(Mask_, REF.Coord())) return Action::ERR;
    // Set up reference contacts 
    SetupContacts(REF.Coord(), REF.Parm());
  }

  // Output file header - only if not byresidue
  if (!byResidue_) {
    outfile_->Printf("#time\tContacts\tnative Contacts ");
    if (!first_)
      outfile_->Printf("(number of natives: %zu)", nativecontacts_.size());
    outfile_->Printf("\n");
  }

  mprintf("    CONTACTS: [%s] Calculating current contacts and comparing results to",
          Mask_.MaskString());
  if (first_)
    mprintf(" first frame.\n");
  else
    mprintf(" reference structure.\n");
  mprintf("\tDistance cutoff is %g angstroms.\n", dist);
  mprintf("\tWriting results to %s\n", outfile_->Filename().full());
  if (byResidue_)
    mprintf("\tResults are output on a per-residue basis to %s.\n", outfile2_->Filename().full());

  return Action::OK;
}
示例#26
0
// Action_ReplicateCell::Init()
Action::RetType Action_ReplicateCell::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Require imaging.
  image_.InitImaging( true );
  // Set up output traj
  std::string trajfilename = actionArgs.GetStringKey("out");
  parmfilename_ = actionArgs.GetStringKey("parmout");
  bool setAll = actionArgs.hasKey("all");
  std::string dsname = actionArgs.GetStringKey("name");
  if (!dsname.empty()) {
    coords_ = (DataSet_Coords*)init.DSL().AddSet(DataSet::COORDS, dsname, "RCELL");
    if (coords_ == 0) return Action::ERR;
  }
  if (trajfilename.empty() && coords_ == 0) {
    mprinterr("Error: Either 'out <traj filename> or 'name <dsname>' must be specified.\n");
    return Action::ERR;
  }
  // Get Mask
  Mask1_.SetMaskString( actionArgs.GetMaskNext() );

  // Determine which directions to set
  if (setAll) {
    for (int ix = -1; ix < 2; ix++)
      for (int iy = -1; iy < 2; iy++)
        for (int iz = -1; iz < 2; iz++) {
          directionArray_.push_back( ix );
          directionArray_.push_back( iy );
          directionArray_.push_back( iz );
        }
  } else {
    std::string dirstring = actionArgs.GetStringKey("dir");
    while (!dirstring.empty()) {
      std::vector<int> ixyz(3, -2);
      std::vector<int>::iterator iptr = ixyz.begin();
      for (std::string::const_iterator c = dirstring.begin();
                                       c != dirstring.end(); ++c)
      {
        if (iptr == ixyz.end()) {
          mprinterr("Error: 'dir' string has too many characters.\n");
          return Action::ERR;
        }
        int sign = 1;
        if      (*c == '+') ++c;
        else if (*c == '-') { sign = -1; ++c; }
        
        if (isdigit( *c ))
          *iptr = toDigit( *c ) * sign;
        else {
          mprinterr("Error: illegal character '%c' in 'dir' string '%s'; only numbers allowed.\n",
                    *c, dirstring.c_str());
          return Action::ERR;
        }
        ++iptr;
      }
      //mprintf("DEBUG: %s = %i %i %i\n", dirstring.c_str(), ixyz[0], ixyz[1], ixyz[2]);
      directionArray_.push_back( ixyz[0] );
      directionArray_.push_back( ixyz[1] );
      directionArray_.push_back( ixyz[2] );
      dirstring = actionArgs.GetStringKey("dir");
    }
  }
  ncopies_ = (int)(directionArray_.size() / 3);
  if (ncopies_ < 1) {
    mprinterr("Error: No directions (or 'all') specified.\n");
    return Action::ERR;
  }
  // Initialize output trajectory with remaining arguments
  if (!trajfilename.empty()) {
    outtraj_.SetDebug( debugIn );
    if ( outtraj_.InitEnsembleTrajWrite(trajfilename, actionArgs.RemainingArgs(),
                                        TrajectoryFile::UNKNOWN_TRAJ, init.DSL().EnsembleNum()) )
      return Action::ERR;
    writeTraj_ = true;
#   ifdef MPI
    outtraj_.SetTrajComm( init.TrajComm() );
#   endif
  } else
    writeTraj_ = false;

  mprintf("    REPLICATE CELL: Replicating cell in %i directions:\n", ncopies_);
  mprintf("\t\t X  Y  Z\n");
  for (unsigned int i = 0; i != directionArray_.size(); i += 3)
    mprintf("\t\t%2i %2i %2i\n", directionArray_[i], 
            directionArray_[i+1], directionArray_[i+2]);
  mprintf("\tUsing atoms in mask '%s'\n", Mask1_.MaskString());
  if (writeTraj_)
    mprintf("\tWriting to trajectory %s\n", outtraj_.Traj().Filename().full());
  if (!parmfilename_.empty())
    mprintf("\tWriting topology %s\n", parmfilename_.c_str());
  if (coords_ != 0)
    mprintf("\tSaving coords to data set %s\n", coords_->legend());

  return Action::OK;
}
示例#27
0
// -----------------------------------------------------------------------------
// Action_NMRrst::Init()
Action::RetType Action_NMRrst::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
# ifdef MPI
  if (init.TrajComm().Size() > 1) {
    mprinterr("Error: 'nmrrst' action does not work with > 1 thread (%i threads currently).\n",
              init.TrajComm().Size());
    return Action::ERR;
  }
# endif
  debug_ = debugIn;
  // Get Keywords
  Image_.InitImaging( !(actionArgs.hasKey("noimage")) );
  useMass_ = !(actionArgs.hasKey("geom"));
  findNOEs_ = actionArgs.hasKey("findnoes");
  findOutput_ = init.DFL().AddCpptrajFile(actionArgs.GetStringKey("findout"), "Found NOEs",
                                    DataFileList::TEXT, true);
  specOutput_ = init.DFL().AddCpptrajFile(actionArgs.GetStringKey("specout"), "Specified NOEs",
                                    DataFileList::TEXT, true);
  if (findOutput_ == 0 || specOutput_ == 0) return Action::ERR;
  resOffset_ = actionArgs.getKeyInt("resoffset", 0);
  DataFile* outfile = init.DFL().AddDataFile( actionArgs.GetStringKey("out"), actionArgs );
  max_cut_ = actionArgs.getKeyDouble("cut", 6.0);
  strong_cut_ = actionArgs.getKeyDouble("strongcut", 2.9);
  medium_cut_ = actionArgs.getKeyDouble("mediumcut", 3.5);
  weak_cut_ = actionArgs.getKeyDouble("weakcut", 5.0);
  series_ = actionArgs.hasKey("series");
  std::string rstfilename = actionArgs.GetStringKey("file");
  viewrst_ = actionArgs.GetStringKey("viewrst");
  setname_ = actionArgs.GetStringKey("name");
  if (setname_.empty())
    setname_ = init.DSL().GenerateDefaultName("NMR");
  nframes_ = 0;

  // Atom Mask
  Mask_.SetMaskString( actionArgs.GetMaskNext() );

  // Pairs specified on command line.
  std::string pair1 = actionArgs.GetStringKey("pair");
  while (!pair1.empty()) {
    std::string pair2 = actionArgs.GetStringNext();
    if (pair2.empty()) {
      mprinterr("Error: Only one mask specified for pair (%s)\n", pair1.c_str());
      return Action::ERR;
    }
    Pairs_.push_back( MaskPairType(AtomMask(pair1), AtomMask(pair2)) );
    pair1 = actionArgs.GetStringKey("pair");
  }

  // Check that something will be done
  if (!findNOEs_ && rstfilename.empty() && Pairs_.empty()) {
    mprinterr("Error: Must specify restraint file, 'pair', and/or 'findnoes'.\n");
    return Action::ERR;
  }

  // Read in NMR restraints.
  if (!rstfilename.empty()) {
    if (ReadNmrRestraints( rstfilename )) return Action::ERR;
  }

  // Set up distances.
  int num_noe = 1;
  for (noeDataArray::iterator noe = NOEs_.begin(); noe != NOEs_.end(); ++noe, ++num_noe) {
    // Translate any ambiguous atom names
    TranslateAmbiguous( noe->aName1_ ); 
    TranslateAmbiguous( noe->aName2_ );
    // Create mask expressions from resnum/atom name
    noe->dMask1_.SetMaskString( MaskExpression( noe->resNum1_, noe->aName1_ ) ); 
    noe->dMask2_.SetMaskString( MaskExpression( noe->resNum2_, noe->aName2_ ) ); 
    // Dataset to store distances
    AssociatedData_NOE noeData(noe->bound_, noe->boundh_, noe->rexp_);
    MetaData md(setname_, "NOE", num_noe);
    md.SetLegend( noe->dMask1_.MaskExpression() + " and " + noe->dMask2_.MaskExpression());
    md.SetScalarMode( MetaData::M_DISTANCE );
    md.SetScalarType( MetaData::NOE );
    noe->dist_ = init.DSL().AddSet(DataSet::DOUBLE, md);
    if (noe->dist_==0) return Action::ERR;
    noe->dist_->AssociateData( &noeData );
    // Add dataset to data file
    if (outfile != 0) outfile->AddDataSet( noe->dist_ );
  }

  masterDSL_ = init.DslPtr();
 
  mprintf("Warning: *** THIS ACTION IS EXPERIMENTAL. ***\n");
  mprintf("    NMRRST: %zu NOEs from NMR restraint file.\n", NOEs_.size());
  mprintf("\tShifting residue numbers in restraint file by %i\n", resOffset_);
  // DEBUG - print NOEs
  for (noeDataArray::const_iterator noe = NOEs_.begin(); noe != NOEs_.end(); ++noe)
    mprintf("\t'%s'  %f < %f < %f\n", noe->dist_->legend(),
            noe->bound_, noe->rexp_, noe->boundh_);
  if (findNOEs_) {
    mprintf("\tSearching for potential NOEs. Max cutoff is %g Ang.\n", max_cut_);
    mprintf("\tNOE distance criteria (Ang.): S= %g, M= %g, W= %g\n",
            strong_cut_, medium_cut_, weak_cut_);
    if (series_)
      mprintf("\tDistance data for NOEs less than cutoff will be saved as '%s[foundNOE]'.\n",
              setname_.c_str());
    mprintf("\tFound NOEs will be written to '%s'\n", findOutput_->Filename().full());
  }
  if (!Pairs_.empty()) {
    mprintf("\tSpecified NOE pairs:\n");
    for (MaskPairArray::const_iterator mp = Pairs_.begin(); mp != Pairs_.end(); ++mp)
      mprintf("\t\t[%s] to [%s]\n", mp->first.MaskString(), mp->second.MaskString());
    mprintf("\tSpecified NOE data will be written to '%s'\n", specOutput_->Filename().full());
  }
  if (!Image_.UseImage()) 
    mprintf("\tNon-imaged");
  else
    mprintf("\tImaged");
  if (useMass_) 
    mprintf(", center of mass.\n");
  else
    mprintf(", geometric center.\n");
  if (!viewrst_.empty())
    mprintf("\tTopologies corresponding to found NOEs will be written to '%s'\n", viewrst_.c_str());

  return Action::OK;
}
示例#28
0
// Action_LIE::init()
Action::RetType Action_LIE::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  // Always use imaged distances
  InitImaging(true);

  double cut;
  // Get Keywords
  doelec_ = !(actionArgs.hasKey("noelec"));
  dovdw_ = !(actionArgs.hasKey("novdw"));
  DataFile* datafile = init.DFL().AddDataFile(actionArgs.GetStringKey("out"), actionArgs);
  dielc_ = actionArgs.getKeyDouble("diel", 1.0);
  cut = actionArgs.getKeyDouble("cutvdw", 12.0);
  cut2vdw_ = cut * cut; // store square of cut for computational efficiency
  cut = actionArgs.getKeyDouble("cutelec", 12.0);
  cut2elec_ = cut * cut; // store square of cut for computational efficiency
  onecut2_ = 1 / cut2elec_;
  bool has_mask2 = false;

  if (!doelec_ && !dovdw_) {
    mprinterr("Error: LIE: Cannot skip both ELEC and VDW calcs\n");
    return Action::ERR;
  }

  // Get Masks
  Mask1_.SetMaskString( actionArgs.GetMaskNext() );
  std::string refmask = actionArgs.GetMaskNext();
  if (!refmask.empty()) {
    Mask2_.SetMaskString(refmask);
    has_mask2 = true;
  }
  else {
    Mask2_ = Mask1_;
    Mask2_.InvertMaskExpression();
  }
  
  // Get data set name
  std::string ds_name = actionArgs.GetStringNext();
  if (ds_name.empty())
    ds_name = init.DSL().GenerateDefaultName("LIE");

  // Datasets
  if (doelec_) {
    elec_ = init.DSL().AddSet(DataSet::DOUBLE, MetaData(ds_name, "EELEC"));
    if (elec_ == 0) return Action::ERR;
    if (datafile != 0) datafile->AddDataSet(elec_);
  }
  if (dovdw_) {
    vdw_ = init.DSL().AddSet(DataSet::DOUBLE, MetaData(ds_name, "EVDW"));
    if (vdw_ == 0) return Action::ERR;
    if (datafile != 0) datafile->AddDataSet(vdw_);
  }

  mprintf("    LIE: Ligand mask is %s. Surroundings are ", Mask1_.MaskString());
  if (!has_mask2)
    mprintf("everything else. ");
  else
    mprintf("atoms in mask %s. ", Mask2_.MaskString());
  mprintf("Cutoff is %.3lf Ang. ", cut);
  if (!doelec_)
    mprintf("Skipping Electrostatic Calc. ");
  if (!dovdw_)
    mprintf("Skipping VDW Calc. ");
  mprintf("\n");

  return Action::OK;
}
示例#29
0
// Action_Radial::Init()
Action::RetType Action_Radial::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
  debug_ = debugIn;
  // Get Keywords
  image_.InitImaging( !(actionArgs.hasKey("noimage")) );
  std::string outfilename = actionArgs.GetStringKey("out");
  // Default particle density (mols/Ang^3) for water based on 1.0 g/mL
  density_ = actionArgs.getKeyDouble("density",0.033456);
  if (actionArgs.hasKey("center1"))
    rmode_ = CENTER1;
  else if (actionArgs.hasKey("center2"))
    rmode_ = CENTER2;
  else if (actionArgs.hasKey("nointramol"))
    rmode_ = NO_INTRAMOL;
  else
    rmode_ = NORMAL;
  useVolume_ = actionArgs.hasKey("volume");
  DataFile* intrdfFile = init.DFL().AddDataFile(actionArgs.GetStringKey("intrdf"));
  DataFile* rawrdfFile = init.DFL().AddDataFile(actionArgs.GetStringKey("rawrdf"));
  spacing_ = actionArgs.getNextDouble(-1.0);
  if (spacing_ < 0) {
    mprinterr("Error: Radial: No spacing argument or arg < 0.\n");
    Help();
    return Action::ERR;
  }
  double maximum = actionArgs.getNextDouble(-1.0);
  if (maximum < 0) {
    mprinterr("Error: Radial: No maximum argument or arg < 0.\n");
    Help();
    return Action::ERR;
  }
  // Store max^2, distances^2 greater than max^2 do not need to be
  // binned and therefore do not need a sqrt calc.
  maximum2_ = maximum * maximum;

  // Get First Mask
  std::string mask1 = actionArgs.GetMaskNext();
  if (mask1.empty()) {
    mprinterr("Error: Radial: No mask given.\n");
    return Action::ERR;
  }
  Mask1_.SetMaskString(mask1);

  // Check for second mask - if none specified use first mask
  std::string mask2 = actionArgs.GetMaskNext();
  if (!mask2.empty()) 
    Mask2_.SetMaskString(mask2);
  else
    Mask2_.SetMaskString(mask1);
  // If filename not yet specified check for backwards compat.
  if (outfilename.empty() && actionArgs.Nargs() > 1 && !actionArgs.Marked(1))
    outfilename = actionArgs.GetStringNext();

  // Set up output dataset. 
  Dset_ = init.DSL().AddSet( DataSet::DOUBLE, actionArgs.GetStringNext(), "g(r)");
  if (Dset_ == 0) return RDF_ERR("Could not allocate RDF data set.");
  DataFile* outfile = init.DFL().AddDataFile(outfilename, actionArgs);
  if (outfile != 0) outfile->AddDataSet( Dset_ );
  // Make default precision a little higher than normal
  Dset_->SetupFormat().SetFormatWidthPrecision(12,6);
  // Set DataSet legend from mask strings.
  Dset_->SetLegend(Mask1_.MaskExpression() + " => " + Mask2_.MaskExpression());
  // TODO: Set Yaxis label in DataFile
  // Calculate number of bins
  one_over_spacing_ = 1 / spacing_;
  double temp_numbins = maximum * one_over_spacing_;
  temp_numbins = ceil(temp_numbins);
  numBins_ = (int) temp_numbins;
  // Setup output datafile. Align on bin centers instead of left.
  // TODO: Use Rdim for binning?
  Dimension Rdim( spacing_ / 2.0, spacing_, "Distance (Ang)" ); 
  Dset_->SetDim(Dimension::X, Rdim);
  // Set up output for integral of mask2 if specified.
  if (intrdfFile != 0) {
    intrdf_ = init.DSL().AddSet( DataSet::DOUBLE, MetaData(Dset_->Meta().Name(), "int" ));
    if (intrdf_ == 0) return RDF_ERR("Could not allocate RDF integral data set.");
    intrdf_->SetupFormat().SetFormatWidthPrecision(12,6);
    intrdf_->SetLegend("Int[" + Mask2_.MaskExpression() + "]");
    intrdf_->SetDim(Dimension::X, Rdim);
    intrdfFile->AddDataSet( intrdf_ );
  } else
    intrdf_ = 0;
  // Set up output for raw rdf
  if (rawrdfFile != 0) {
    rawrdf_ = init.DSL().AddSet( DataSet::DOUBLE, MetaData(Dset_->Meta().Name(), "raw" ));
    if (rawrdf_ == 0) return RDF_ERR("Could not allocate raw RDF data set.");
    rawrdf_->SetupFormat().SetFormatWidthPrecision(12,6);
    rawrdf_->SetLegend("Raw[" + Dset_->Meta().Legend() + "]");
    rawrdf_->SetDim(Dimension::X, Rdim);
    rawrdfFile->AddDataSet( rawrdf_ );
  } else
    rawrdf_ = 0;

  // Set up histogram
  RDF_ = new int[ numBins_ ];
  std::fill(RDF_, RDF_ + numBins_, 0);
# ifdef _OPENMP
  // Since RDF is shared by all threads and we cant guarantee that a given
  // bin in RDF wont be accessed at the same time by the same thread,
  // each thread needs its own bin space.
#pragma omp parallel
{
  if (omp_get_thread_num()==0)
    numthreads_ = omp_get_num_threads();
}
  rdf_thread_ = new int*[ numthreads_ ];
  for (int i=0; i < numthreads_; i++) {
    rdf_thread_[i] = new int[ numBins_ ];
    std::fill(rdf_thread_[i], rdf_thread_[i] + numBins_, 0);
  }
# endif
  
  mprintf("    RADIAL: Calculating RDF for atoms in mask [%s]",Mask1_.MaskString());
  if (!mask2.empty()) 
    mprintf(" to atoms in mask [%s]",Mask2_.MaskString());
  mprintf("\n");
  if (outfile != 0)
    mprintf("            Output to %s.\n", outfile->DataFilename().full());
  if (intrdf_ != 0)
    mprintf("            Integral of mask2 atoms will be output to %s\n",
            intrdfFile->DataFilename().full());
  if (rawrdf_ != 0)
    mprintf("            Raw RDF bin values will be output to %s\n",
            rawrdfFile->DataFilename().full());
  if (rmode_==CENTER1)
    mprintf("            Using center of atoms in mask1.\n");
  else if (rmode_==CENTER2)
    mprintf("            Using center of atoms in mask2.\n");
  mprintf("            Histogram max %f, spacing %f, bins %i.\n",maximum,
          spacing_,numBins_);
  if (useVolume_)
    mprintf("            Normalizing based on cell volume.\n");
  else
    mprintf("            Normalizing using particle density of %f molecules/Ang^3.\n",density_);
  if (!image_.UseImage()) 
    mprintf("            Imaging disabled.\n");
  if (numthreads_ > 1)
    mprintf("            Parallelizing RDF calculation with %i threads.\n",numthreads_);

  return Action::OK;
}
示例#30
0
// Action_Density::Init()
Action::RetType Action_Density::Init(ArgList& actionArgs, ActionInit& init, int debugIn)
{
# ifdef MPI
  trajComm_ = init.TrajComm();
# endif
  DataFile* outfile = init.DFL().AddDataFile(actionArgs.GetStringKey("out"), actionArgs);

  std::string dsname = actionArgs.GetStringKey("name");

  if (actionArgs.hasKey("x") ) {
    axis_ = DX;
    area_coord_[0] = DY;
    area_coord_[1] = DZ;
  } else if (actionArgs.hasKey("y") ) {
    axis_ = DY;
    area_coord_[0] = DX;
    area_coord_[1] = DZ;
  } else if (actionArgs.hasKey("z") ) {
    axis_ = DZ;
    area_coord_[0] = DX;
    area_coord_[1] = DY;
  }

  property_ = NUMBER;
  if      (actionArgs.hasKey("number") )   property_ = NUMBER;
  else if (actionArgs.hasKey("mass") )     property_ = MASS;
  else if (actionArgs.hasKey("charge") )   property_ = CHARGE;
  else if (actionArgs.hasKey("electron") ) property_ = ELECTRON;

  binType_ = CENTER;
  if      (actionArgs.hasKey("bincenter")) binType_ = CENTER;
  else if (actionArgs.hasKey("binedge")  ) binType_ = EDGE;

  delta_ = actionArgs.getKeyDouble("delta", 0.01);
  if (delta_ <= 0) {
    mprinterr("Error: Delta must be > 0.0\n");
    return Action::ERR;
  }

  // for compatibility with ptraj, ignored because we rely on the atom code to
  // do the right thing, see Atom.{h,cpp}
  if (actionArgs.hasKey("efile"))
    mprintf("Warning: The 'efile' keyword is deprecated.\n");

  // read the rest of the command line as a series of masks
  std::string maskstr;

  unsigned int idx = 1;
  while ( (maskstr = actionArgs.GetMaskNext() ) != emptystring) {
    masks_.push_back( AtomMask(maskstr) );
    if (dsname.empty())
      dsname = init.DSL().GenerateDefaultName("DENSITY");
    MetaData MD(dsname, "avg", idx);
    MD.SetTimeSeries( MetaData::NOT_TS );
    // Hold average density
    DataSet* ads = init.DSL().AddSet( DataSet::DOUBLE, MD );
    if (ads == 0) return Action::ERR;
    ads->SetLegend( NoWhitespace(masks_.back().MaskExpression()) );
    AvSets_.push_back( ads );
    if (outfile != 0) outfile->AddDataSet( ads );
    // Hold SD density
    MD.SetAspect("sd");
    DataSet* sds = init.DSL().AddSet( DataSet::DOUBLE, MD );
    if (sds == 0) return Action::ERR;
    sds->SetLegend( NoWhitespace("sd(" + masks_.back().MaskExpression() + ")") );
    SdSets_.push_back( sds );
    if (outfile != 0) outfile->AddDataSet( sds );
#   ifdef MPI
    ads->SetNeedsSync( false ); // Populated in Print()
    sds->SetNeedsSync( false );
#   endif
    idx++;
  }
  if (masks_.empty()) {
    // If no masks assume we want total system density.
    if (dsname.empty())
      dsname = actionArgs.GetStringNext();
    density_ = init.DSL().AddSet(DataSet::DOUBLE, dsname, "DENSITY");
    if (density_ == 0) return Action::ERR;
    if (outfile != 0) outfile->AddDataSet( density_ );
    image_.InitImaging( true );
    // Hijack delta for storing sum of masses
    delta_ = 0.0;
  } else {
    // Density selected by mask(s) along an axis
    density_ = 0;
    histograms_.resize(masks_.size() );
  }

  mprintf("    DENSITY:");
  if (density_ == 0) {
    const char* binStr[] = {"center", "edge"};
    mprintf(" Determining %s density for %zu masks.\n", PropertyStr_[property_], masks_.size());
    mprintf("\troutine version: %s\n", ROUTINE_VERSION_STRING);
    mprintf("\tDelta is %f\n", delta_);
    mprintf("\tAxis is %s\n", AxisStr_[axis_]);
    mprintf("\tData set name is '%s'\n", dsname.c_str());
    mprintf("\tData set aspect [avg] holds the mean, aspect [sd] holds standard deviation.\n");
    mprintf("\tBin coordinates will be to bin %s.\n", binStr[binType_]);
  } else {
    mprintf(" No masks specified, calculating total system density in g/cm^3.\n");
    mprintf("\tData set name is '%s'\n", density_->legend());
  }
  if (outfile != 0)
    mprintf("\tOutput to '%s'\n", outfile->DataFilename().full());

  return Action::OK;
}