Example #1
0
// -----------------------------------------------------------------------------
std::string Action_NMRrst::Site::SiteLegend(Topology const& top) const {
  std::string legend( top.TruncResNameNum(resNum_) + "(" );
  for (Iarray::const_iterator atom = indices_.begin(); atom != indices_.end(); ++atom) {
    if (atom != indices_.begin()) legend.append(",");
    legend.append( top[*atom].Name().Truncated() );
  }
  legend.append(")");
  return legend;
}
Example #2
0
/** Find potential symmetric atoms. All residues up to the last selected
  * residue are considered.
  */
int SymmetricRmsdCalc::SetupSymmRMSD(Topology const& topIn, AtomMask const& tgtMask, bool remapIn)
{
  // Allocate space for remapping selected atoms in target frame. This will
  // also put the correct masses in based on the mask.
  tgtRemap_.SetupFrameFromMask(tgtMask, topIn.Atoms());
  // Create map of original atom numbers to selected indices
  Iarray SelectedIdx( topIn.Natom(), -1 );
  int tgtIdx = 0;
  for (int originalAtom = 0; originalAtom != topIn.Natom(); ++originalAtom)
    if ( originalAtom == tgtMask[tgtIdx] )
      SelectedIdx[originalAtom] = tgtIdx++;
  if (debug_ > 0) {
    mprintf("DEBUG: Original atom -> Selected Index mapping:\n");
    for (int originalAtom = 0; originalAtom != topIn.Natom(); ++originalAtom)
      mprintf("\t%8i -> %8i\n", originalAtom + 1, SelectedIdx[originalAtom] + 1);
  }
  // Create initial 1 to 1 atom map for all selected atoms; indices in 
  // SymmetricAtomIndices will correspond to positions in AMap.
  AMap_.resize( tgtRemap_.Natom() );
  // Determine last selected residue.
  int last_res = topIn[tgtMask.back()].ResNum() + 1;
  mprintf("\tResidues up to %s will be considered for symmetry correction.\n",
          topIn.TruncResNameNum(last_res-1).c_str());
  // In each residue, determine which selected atoms are symmetric.
  SymmetricAtomIndices_.clear();
  AtomMap resmap;
  if (debug_ > 1) resmap.SetDebug(1);
  for (int res = 0; res < last_res; ++res) {
    AtomMap::AtomIndexArray residue_SymmetricGroups;
    if (resmap.SymmetricAtoms(topIn, residue_SymmetricGroups, res)) {
      mprinterr("Error: Finding symmetric atoms in residue '%s'\n",
                topIn.TruncResNameNum(res).c_str());
      return 1;
    }
    if (!residue_SymmetricGroups.empty()) {
      // Which atoms in symmetric groups are selected?
      bool resHasSelectedSymmAtoms = false;
      for (AtomMap::AtomIndexArray::const_iterator symmGroup = residue_SymmetricGroups.begin();
                                                   symmGroup != residue_SymmetricGroups.end();
                                                 ++symmGroup)
      {
        Iarray selectedAtomIndices;
        for (Iarray::const_iterator atnum = symmGroup->begin();
                                    atnum != symmGroup->end(); ++atnum)
        {
          if ( SelectedIdx[*atnum] != -1 )
            selectedAtomIndices.push_back( SelectedIdx[*atnum] ); // Store tgtMask indices
        }
        if (!selectedAtomIndices.empty()) {
          SymmetricAtomIndices_.push_back( selectedAtomIndices );
          resHasSelectedSymmAtoms = true;
        }
      }
      // If remapping and not all atoms in a residue are selected, warn user.
      // TODO: Should they just be considered even if not selected?
      if (remapIn && resHasSelectedSymmAtoms) {
        for (int atom = topIn.Res(res).FirstAtom(); atom != topIn.Res(res).LastAtom(); ++atom)
          if (SelectedIdx[atom] == -1) {
            mprintf("Warning: Not all atoms selected in residue '%s'. Re-mapped\n"
                    "Warning:   structures may appear distorted.\n", 
                    topIn.TruncResNameNum(res).c_str());
            break;
          }
      }
    }
  }
  if (debug_ > 0) {
    mprintf("DEBUG: Potential Symmetric Atom Groups:\n");
    for (AtomIndexArray::const_iterator symmatoms = SymmetricAtomIndices_.begin();
                                        symmatoms != SymmetricAtomIndices_.end();
                                        ++symmatoms)
    {
      mprintf("\t%8u) ", symmatoms - SymmetricAtomIndices_.begin());
      for (Iarray::const_iterator atom = symmatoms->begin();
                                  atom != symmatoms->end(); ++atom)
        mprintf(" %s(%i)", topIn.AtomMaskName(tgtMask[*atom]).c_str(), tgtMask[*atom] + 1);
      mprintf("\n");
    } 
  }
  return 0;
}
Example #3
0
/** Perform setup required for per residue rmsd calculation.
  * Need to set up a target mask, reference mask, and dataset for each
  * residue specified in ResRange.
  * NOTE: Residues in the range arguments from user start at 1, internal
  *       res nums start from 0.
  */
int Action_Rmsd::perResSetup(Topology const& currentParm, Topology const& refParm) {
  Range tgt_range; // Selected target residues
  Range ref_range; // Selected reference residues

  // If no target range previously specified do all solute residues
  if (TgtRange_.Empty()) { 
    tgt_range = currentParm.SoluteResidues();
    tgt_range.ShiftBy(1); // To match user range arg which would start from 1
  } else
    tgt_range = TgtRange_;
  // If the reference range is empty, set it to match the target range
  if (RefRange_.Empty()) 
    ref_range = tgt_range;
  else
    ref_range = RefRange_;
  // Check that the number of reference residues matches number of target residues
  if (tgt_range.Size() != ref_range.Size()) {
    mprintf("Warning: Number of target residues %i does not match\n"
            "Warning:   number of reference residues %i.\n",
            tgt_range.Size(), ref_range.Size());
    return 1;
  }

  // Setup a dataset, target mask, and reference mask for each residue.
  int maxNatom = 0;
  Range::const_iterator ref_it = ref_range.begin();
  MetaData md(rmsd_->Meta().Name(), "res");
  md.SetScalarMode( MetaData::M_RMS );
  for (Range::const_iterator tgt_it = tgt_range.begin();
                             tgt_it != tgt_range.end(); ++tgt_it, ++ref_it)
  {
    int tgtRes = *tgt_it;
    int refRes = *ref_it;
    // Check if either the residue num or the reference residue num out of range.
    if ( tgtRes < 1 || tgtRes > currentParm.Nres()) {
      mprintf("Warning: Specified residue # %i is out of range.\n", tgtRes);
      continue;
    }
    if ( refRes < 1 || refRes > refParm.Nres() ) {
      mprintf("Warning: Specified reference residue # %i is out of range.\n", refRes);
      continue;
    }
    // Check if a perResType has been set for this residue # yet.
    perResArray::iterator PerRes;
    for (PerRes = ResidueRMS_.begin(); PerRes != ResidueRMS_.end(); ++PerRes)
      if ( PerRes->data_->Meta().Idx() == tgtRes ) break;
    // If necessary, create perResType for residue
    if (PerRes == ResidueRMS_.end()) {
      perResType p;
      md.SetIdx( tgtRes );
      md.SetLegend( currentParm.TruncResNameNum(tgtRes-1) );
      p.data_ = (DataSet_1D*)masterDSL_->AddSet(DataSet::DOUBLE, md);
      if (p.data_ == 0) {
        mprinterr("Internal Error: Could not set up per residue data set.\n");
        return 2;
      }
      if (perresout_ != 0) perresout_->AddDataSet( p.data_ );
      // Setup mask strings. Note that masks are based off user residue nums
      p.tgtResMask_.SetMaskString(":" + integerToString(tgtRes) + perresmask_);
      p.refResMask_.SetMaskString(":" + integerToString(refRes) + perresmask_);
      ResidueRMS_.push_back( p );
      PerRes = ResidueRMS_.end() - 1;
    }
    PerRes->isActive_ = false;
    // Setup the reference mask
    if (refParm.SetupIntegerMask(PerRes->refResMask_)) {
      mprintf("Warning: Could not setup reference mask for residue %i\n",refRes);
      continue;
    }
    if (PerRes->refResMask_.None()) {
      mprintf("Warning: No atoms selected for reference residue %i\n",refRes);
      continue;
    }
    // Setup the target mask
    if (currentParm.SetupIntegerMask(PerRes->tgtResMask_)) {
      mprintf("Warning: Could not setup target mask for residue %i\n",tgtRes);
      continue;
    }
    if (PerRes->tgtResMask_.None()) {
      mprintf("Warning: No atoms selected for target residue %i\n",tgtRes);
      continue;
    }
    // Check that # atoms in target and reference masks match
    if (PerRes->tgtResMask_.Nselected() != PerRes->refResMask_.Nselected()) {
      mprintf("Warning: Res %i: # atoms in Tgt (%i) != # atoms in Ref (%i)\n",
              tgtRes, PerRes->tgtResMask_.Nselected(), PerRes->refResMask_.Nselected());
      if (debug_ > 0) {
        mprintf("    Target Atoms:\n");
        for (AtomMask::const_iterator t = PerRes->tgtResMask_.begin();
                                      t != PerRes->tgtResMask_.end(); ++t)
          mprintf("\t%s\n", currentParm.AtomMaskName(*t).c_str());
        mprintf("    Ref Atoms:\n");
        for (AtomMask::const_iterator r = PerRes->refResMask_.begin();
                                      r != PerRes->refResMask_.end(); ++r)
          mprintf("\t%s\n", refParm.AtomMaskName(*r).c_str());
      }
      continue;
    }
    if ( PerRes->tgtResMask_.Nselected() > maxNatom ) maxNatom = PerRes->tgtResMask_.Nselected();
    // Indicate that these masks were properly set up
    PerRes->isActive_ = true;
  }
  mprintf("\tMax # selected atoms in residues: %i\n", maxNatom);

  // Allocate memory for target and reference residue frames.
  // Although initial masses are wrong this is OK since the number of atoms 
  // and masses will be assigned when residue RMSD is actually being calcd.
  if (maxNatom > 0) {
    std::vector<Atom> temp( maxNatom );
    ResTgtFrame_.SetupFrameM( temp );
    ResRefFrame_.SetupFrameM( temp );
  } else {
    mprintf("Warning: No residues selected for per-residue calculation.\n");
    return 1;
  } 
    
  return 0;
}