Example #1
0
/** Print atoms for which the cumulative energy satisfies the given
  * cutoffs. Also create MOL2 files containing those atoms.
  */
int Action_Pairwise::PrintCutAtoms(Frame const& frame, int frameNum, EoutType ctype,
                                   Darray const& Earray, double cutIn)
{
  AtomMask CutMask;  // Hold atoms that satisfy the cutoff
  Darray CutCharges; // Hold evdw/eelec corresponding to CutMask atoms.

  if (Eout_ != 0) {
    if (nb_calcType_==COMPARE_REF)
      Eout_->Printf("\tPAIRWISE: Cumulative d%s:", CalcString[ctype]);
    else
      Eout_->Printf("\tPAIRWISE: Cumulative %s:", CalcString[ctype]);
    Eout_->Printf(" %s < %.4f, %s > %.4f\n", CalcString[ctype], -cutIn,
                 CalcString[ctype], cutIn);
  }
  for (AtomMask::const_iterator atom = Mask0_.begin(); atom != Mask0_.end(); ++atom)
  {
    if (fabs(Earray[*atom]) > cutIn)
    {
      if (Eout_ != 0) 
        Eout_->Printf("\t\t%6i@%s: %12.4f\n", *atom+1,
                    (*CurrentParm_)[*atom].c_str(), Earray[*atom]);
      CutMask.AddAtom(*atom);
      CutCharges.push_back(Earray[*atom]);
    }
  }
  // Write mol2 with atoms satisfying cutoff
  if (!mol2Prefix_.empty() && !CutMask.None()) {
    if (WriteCutFrame(frameNum, *CurrentParm_, CutMask, CutCharges, 
                      frame, mol2Prefix_ + CutName[ctype])) 
      return 1;
  }

  return 0;
}
Example #2
0
/** Check that all atoms in mask belong to same residue. */
int Action_NMRrst::CheckSameResidue(Topology const& top, AtomMask const& mask) const {
  if (mask.None()) return -1;
  int resnum = top[mask[0]].ResNum();
  for (AtomMask::const_iterator at = mask.begin(); at != mask.end(); ++at) {
    int r = top[*at].ResNum();
    if (r != resnum) {
      mprintf("Warning: Mask atom %i %s not in same residue as %i %s\n",
              *at + 1, top.AtomMaskName(*at).c_str(),
              mask[0] + 1, top.AtomMaskName(mask[0]).c_str());
    }
  }
  return resnum;
}
Example #3
0
/** Set up masks. */
int Cpptraj::MaskArray::SetupMasks(AtomMask const& maskIn, Topology const& topIn)
{
  if (type_ == BY_MOLECULE && topIn.Nmol() < 1) {
    mprintf("Warning: '%s' has no molecule information, cannot setup by molecule.\n",
             topIn.c_str());
    return 1;
  }
  masks_.clear();
  if ( maskIn.None() ) {
    mprintf("Warning: Nothing selected by mask '%s'\n", maskIn.MaskString());
    return 0;
  }
  int last = -1;
  int current = 0;
  maxAtomsPerMask_ = 0;
  sameNumAtomsPerMask_ = true;
  for (AtomMask::const_iterator atm = maskIn.begin(); atm != maskIn.end(); ++atm)
  {
    switch (type_) {
      case BY_ATOM     : current = *atm; break;
      case BY_RESIDUE  : current = topIn[*atm].ResNum(); break;
      case BY_MOLECULE : current = topIn[*atm].MolNum(); break;
    }
    if (current != last) {
      if (!masks_.empty())
        checkAtomsPerMask( masks_.back().Nselected() );
      masks_.push_back( AtomMask() );
      masks_.back().SetNatoms( topIn.Natom() );
    }
    masks_.back().AddSelectedAtom( *atm );
    last = current;
  }
  if (!masks_.empty())
    checkAtomsPerMask( masks_.back().Nselected() );

  return 0;
}
Example #4
0
/** Set up each mask/integer loop. */
int ControlBlock_For::SetupBlock(CpptrajState& State, ArgList& argIn) {
  mprintf("    Setting up 'for' loop.\n");
  Vars_.clear();
  Topology* currentTop = 0;
  static const char* TypeStr[] = { "ATOMS ", "RESIDUES ", "MOLECULES ",
                                   "MOL_FIRST_RES ", "MOL_LAST_RES " };
  static const char* OpStr[] = {"+=", "-=", "<", ">"};
  description_.assign("for (");
  int MaxIterations = -1;
  int iarg = 0;
  while (iarg < argIn.Nargs())
  {
    // Advance to next unmarked argument.
    while (iarg < argIn.Nargs() && argIn.Marked(iarg)) iarg++;
    if (iarg == argIn.Nargs()) break;
    // Determine 'for' type
    ForType ftype = UNKNOWN;
    bool isMaskFor = true;
    int argToMark = iarg;
    if      ( argIn[iarg] == "atoms"       ) ftype = ATOMS;
    else if ( argIn[iarg] == "residues"    ) ftype = RESIDUES;
    else if ( argIn[iarg] == "molecules"   ) ftype = MOLECULES;
    else if ( argIn[iarg] == "molfirstres" ) ftype = MOLFIRSTRES;
    else if ( argIn[iarg] == "mollastres"  ) ftype = MOLLASTRES;
    else if ( argIn[iarg].find(";") != std::string::npos ) {
      isMaskFor = false;
      ftype = INTEGER;
    }
    // If type is still unknown, check for list.
    if (ftype == UNKNOWN) {
      if (iarg+1 < argIn.Nargs() && argIn[iarg+1] == "in") {
        ftype = LIST;
        isMaskFor = false;
        argToMark = iarg+1;
      }
    }
    // Exit if type could not be determined.
    if (ftype == UNKNOWN) {
      mprinterr("Error: for loop type not specfied.\n");
      return 1;
    }
    argIn.MarkArg(argToMark);
    Vars_.push_back( LoopVar() );
    LoopVar& MH = Vars_.back();
    int Niterations = -1;
    // Set up for specific type
    if (description_ != "for (") description_.append(", ");
    // -------------------------------------------
    if (isMaskFor)
    {
      // {atoms|residues|molecules} <var> inmask <mask> [TOP KEYWORDS]
      if (argIn[iarg+2] != "inmask") {
        mprinterr("Error: Expected 'inmask', got %s\n", argIn[iarg+2].c_str());
        return 1;
      }
      AtomMask currentMask;
      if (currentMask.SetMaskString( argIn.GetStringKey("inmask") )) return 1;
      MH.varType_ = ftype;
      Topology* top = State.DSL().GetTopByIndex( argIn );
      if (top != 0) currentTop = top;
      if (currentTop == 0) return 1;
      MH.varname_ = argIn.GetStringNext();
      if (MH.varname_.empty()) {
        mprinterr("Error: 'for inmask': missing variable name.\n");
        return 1;
      }
      MH.varname_ = "$" + MH.varname_;
      // Set up mask
      if (currentTop->SetupIntegerMask( currentMask )) return 1;
      currentMask.MaskInfo();
      if (currentMask.None()) return 1;
      // Set up indices
      if (MH.varType_ == ATOMS)
        MH.Idxs_ = currentMask.Selected();
      else if (MH.varType_ == RESIDUES) {
        int curRes = -1;
        for (AtomMask::const_iterator at = currentMask.begin(); at != currentMask.end(); ++at) {
          int res = (*currentTop)[*at].ResNum();
          if (res != curRes) {
            MH.Idxs_.push_back( res );
            curRes = res;
          }
        }
      } else if (MH.varType_ == MOLECULES ||
                 MH.varType_ == MOLFIRSTRES ||
                 MH.varType_ == MOLLASTRES)
      {
        int curMol = -1;
        for (AtomMask::const_iterator at = currentMask.begin(); at != currentMask.end(); ++at) {
          int mol = (*currentTop)[*at].MolNum();
          if (mol != curMol) {
            if (MH.varType_ == MOLECULES)
              MH.Idxs_.push_back( mol );
            else {
              int res;
              if (MH.varType_ == MOLFIRSTRES)
                res = (*currentTop)[ currentTop->Mol( mol ).BeginAtom() ].ResNum();
              else // MOLLASTRES
                res = (*currentTop)[ currentTop->Mol( mol ).EndAtom()-1 ].ResNum();
              MH.Idxs_.push_back( res );
            }
            curMol = mol;
          }
        }
      }
      Niterations = (int)MH.Idxs_.size();
      description_.append(std::string(TypeStr[MH.varType_]) +
                        MH.varname_ + " inmask " + currentMask.MaskExpression());
    // -------------------------------------------
    } else if (ftype == INTEGER) {
      // [<var>=<start>;[<var><OP><end>;]<var><OP>[<value>]]
      MH.varType_ = ftype;
      ArgList varArg( argIn[iarg], ";" );
      if (varArg.Nargs() < 2 || varArg.Nargs() > 3) {
        mprinterr("Error: Malformed 'for' loop variable.\n"
                  "Error: Expected '[<var>=<start>;[<var><OP><end>;]<var><OP>[<value>]]'\n"
                  "Error: Got '%s'\n", argIn[iarg].c_str());
        return 1;
      }
      // First argument: <var>=<start>
      ArgList startArg( varArg[0], "=" );
      if (startArg.Nargs() != 2) {
        mprinterr("Error: Malformed 'start' argument.\n"
                  "Error: Expected <var>=<start>, got '%s'\n", varArg[0].c_str());
        return 1;
      }
      MH.varname_ = startArg[0];
      if (!validInteger(startArg[1])) {
        // TODO allow variables
        mprinterr("Error: Start argument must be an integer.\n");
        return 1;
      } else
        MH.start_ = convertToInteger(startArg[1]);
      // Second argument: <var><OP><end>
      size_t pos0 = MH.varname_.size();
      size_t pos1 = pos0 + 1;
      MH.endOp_ = NO_OP;
      int iargIdx = 1;
      if (varArg.Nargs() == 3) {
        iargIdx = 2;
        if ( varArg[1][pos0] == '<' )
          MH.endOp_ = LESS_THAN;
        else if (varArg[1][pos0] == '>')
          MH.endOp_ = GREATER_THAN;
        if (MH.endOp_ == NO_OP) {
          mprinterr("Error: Unrecognized end op: '%s'\n",
                    varArg[1].substr(pos0, pos1-pos0).c_str());
          return 1;
        }
        std::string endStr = varArg[1].substr(pos1);
        if (!validInteger(endStr)) {
          // TODO allow variables
          mprinterr("Error: End argument must be an integer.\n");
          return 1;
        } else
          MH.end_ = convertToInteger(endStr);
      }
      // Third argument: <var><OP>[<value>]
      pos1 = pos0 + 2;
      MH.incOp_ = NO_OP;
      bool needValue = false;
      if ( varArg[iargIdx][pos0] == '+' ) {
        if (varArg[iargIdx][pos0+1] == '+') {
          MH.incOp_ = INCREMENT;
          MH.inc_ = 1;
        } else if (varArg[iargIdx][pos0+1] == '=') {
          MH.incOp_ = INCREMENT;
          needValue = true;
        }
      } else if ( varArg[iargIdx][pos0] == '-' ) {
        if (varArg[iargIdx][pos0+1] == '-' ) {
          MH.incOp_ = DECREMENT;
          MH.inc_ = 1;
        } else if (varArg[iargIdx][pos0+1] == '=') {
          MH.incOp_ = DECREMENT;
          needValue = true;
        }
      }
      if (MH.incOp_ == NO_OP) {
        mprinterr("Error: Unrecognized increment op: '%s'\n",
                  varArg[iargIdx].substr(pos0, pos1-pos0).c_str());
        return 1;
      }
      if (needValue) {
        std::string incStr = varArg[iargIdx].substr(pos1);
        if (!validInteger(incStr)) {
          mprinterr("Error: increment value is not a valid integer.\n");
          return 1;
        }
        MH.inc_ = convertToInteger(incStr);
        if (MH.inc_ < 1) {
          mprinterr("Error: Extra '-' detected in increment.\n");
          return 1;
        }
      }
      // Description
      MH.varname_ = "$" + MH.varname_;
      std::string sval = integerToString(MH.start_);
      description_.append("(" + MH.varname_ + "=" + sval + "; ");
      std::string eval;
      if (iargIdx == 2) {
        // End argument present
        eval = integerToString(MH.end_);
        description_.append(MH.varname_ + std::string(OpStr[MH.endOp_]) + eval + "; ");
        // Check end > start for increment, start > end for decrement
        int maxval, minval;
        if (MH.incOp_ == INCREMENT) {
          if (MH.start_ >= MH.end_) {
            mprinterr("Error: start must be less than end for increment.\n");
            return 1;
          }
          minval = MH.start_;
          maxval = MH.end_;
        } else {
          if (MH.end_ >= MH.start_) {
            mprinterr("Error: end must be less than start for decrement.\n");
            return 1;
          }
          minval = MH.end_;
          maxval = MH.start_;
        }
        // Figure out number of iterations
        Niterations = (maxval - minval) / MH.inc_;
        if (((maxval-minval) % MH.inc_) > 0) Niterations++;
      }
      description_.append( MH.varname_ + std::string(OpStr[MH.incOp_]) +
                           integerToString(MH.inc_) + ")" );
      // If decrementing just negate value
      if (MH.incOp_ == DECREMENT)
        MH.inc_ = -MH.inc_;
      // DEBUG
      //mprintf("DEBUG: start=%i endOp=%i end=%i incOp=%i val=%i startArg=%s endArg=%s\n",
      //        MH.start_, (int)MH.endOp_, MH.end_, (int)MH.incOp_, MH.inc_,
      //        MH.startArg_.c_str(), MH.endArg_.c_str());
    // -------------------------------------------
    } else if (ftype == LIST) {
      // <var> in <string0>[,<string1>...]
      MH.varType_ = ftype;
      // Variable name
      MH.varname_ = argIn.GetStringNext();
      if (MH.varname_.empty()) {
        mprinterr("Error: 'for in': missing variable name.\n");
        return 1;
      }
      MH.varname_ = "$" + MH.varname_;
      // Comma-separated list of strings
      std::string listArg = argIn.GetStringNext();
      if (listArg.empty()) {
        mprinterr("Error: 'for in': missing comma-separated list of strings.\n");
        return 1;
      }
      ArgList list(listArg, ",");
      if (list.Nargs() < 1) {
        mprinterr("Error: Could not parse '%s' for 'for in'\n", listArg.c_str());
        return 1;
      }
      for (int il = 0; il != list.Nargs(); il++) {
        // Check if file name expansion should occur
        if (list[il].find_first_of("*?") != std::string::npos) {
          File::NameArray files = File::ExpandToFilenames( list[il] );
          for (File::NameArray::const_iterator fn = files.begin(); fn != files.end(); ++fn)
            MH.List_.push_back( fn->Full() );
        } else
          MH.List_.push_back( list[il] );
      }
      Niterations = (int)MH.List_.size();
      // Description
      description_.append( MH.varname_ + " in " + listArg );

    }
    // Check number of values
    if (MaxIterations == -1)
      MaxIterations = Niterations;
    else if (Niterations != -1 && Niterations != MaxIterations) {
      mprintf("Warning: # iterations %i != previous # iterations %i\n",
              Niterations, MaxIterations);
      MaxIterations = std::min(Niterations, MaxIterations);
    }
  }
  mprintf("\tLoop will execute for %i iterations.\n", MaxIterations);
  if (MaxIterations < 1) {
    mprinterr("Error: Loop has less than 1 iteration.\n");
    return 1; 
  }
  description_.append(") do");

  return 0;
}