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C++ AtomMask::back方法代码示例

本文整理汇总了C++中AtomMask::back方法的典型用法代码示例。如果您正苦于以下问题:C++ AtomMask::back方法的具体用法?C++ AtomMask::back怎么用?C++ AtomMask::back使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在AtomMask的用法示例。


在下文中一共展示了AtomMask::back方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: SetupSymmRMSD

/** 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;
}
开发者ID:SAMAN-64,项目名称:cpptraj,代码行数:84,代码来源:SymmetricRmsdCalc.cpp


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