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C++ OBBond::UnsetAromatic方法代码示例

本文整理汇总了C++中OBBond::UnsetAromatic方法的典型用法代码示例。如果您正苦于以下问题:C++ OBBond::UnsetAromatic方法的具体用法?C++ OBBond::UnsetAromatic怎么用?C++ OBBond::UnsetAromatic使用的例子?那么恭喜您, 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OBBond的用法示例。


在下文中一共展示了OBBond::UnsetAromatic方法的2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: processMol

//preprocess molecule into a standardized state for heavy atom rmsd computation
static void processMol(OBMol& mol)
{
	//isomorphismmapper wants isomorphic atoms to have the same aromatic and ring state,
	//but these proporties aren't reliable enough to be trusted in evaluating molecules
	//should be considered the same based solely on connectivity
	
	mol.DeleteHydrogens(); //heavy atom rmsd
	for(OBAtomIterator aitr = mol.BeginAtoms(); aitr != mol.EndAtoms(); aitr++)
	{
		OBAtom *a = *aitr;
		a->UnsetAromatic();
		a->SetInRing();
	}
	for(OBBondIterator bitr = mol.BeginBonds(); bitr != mol.EndBonds(); bitr++)
	{
		OBBond *b = *bitr;
		b->UnsetAromatic();
		b->SetBondOrder(1);
		b->SetInRing();
	}
	//avoid recomputations
	mol.SetHybridizationPerceived();
	mol.SetRingAtomsAndBondsPerceived();
	mol.SetAromaticPerceived();
}
开发者ID:Acpharis,项目名称:openbabel,代码行数:26,代码来源:obrms.cpp

示例2: AssignAromaticFlags

  void OBAromaticTyper::AssignAromaticFlags(OBMol &mol)
  {
    if (!_init)
      Init();

    if (mol.HasAromaticPerceived())
      return;
    mol.SetAromaticPerceived();
    obErrorLog.ThrowError(__FUNCTION__,
                          "Ran OpenBabel::AssignAromaticFlags", obAuditMsg);

    _vpa.clear();
    _vpa.resize(mol.NumAtoms()+1);
    _velec.clear();
    _velec.resize(mol.NumAtoms()+1);
    _root.clear();
    _root.resize(mol.NumAtoms()+1);

    OBBond *bond;
    OBAtom *atom;
    vector<OBAtom*>::iterator i;
    vector<OBBond*>::iterator j;

    //unset all aromatic flags
    for (atom = mol.BeginAtom(i);atom;atom = mol.NextAtom(i))
      atom->UnsetAromatic();
    for (bond = mol.BeginBond(j);bond;bond = mol.NextBond(j))
      bond->UnsetAromatic();

    int idx;
    vector<vector<int> >::iterator m;
    vector<OBSmartsPattern*>::iterator k;

    //mark atoms as potentially aromatic
    for (idx=0,k = _vsp.begin();k != _vsp.end();++k,++idx)
      if ((*k)->Match(mol))
        {
          _mlist = (*k)->GetMapList();
          for (m = _mlist.begin();m != _mlist.end();++m)
            {
              _vpa[(*m)[0]] = true;
              _velec[(*m)[0]] = _verange[idx];
            }
        }

    //sanity check - exclude all 4 substituted atoms and sp centers
    for (atom = mol.BeginAtom(i);atom;atom = mol.NextAtom(i))
      {
        if (atom->GetImplicitValence() > 3)
          {
            _vpa[atom->GetIdx()] = false;
            continue;
          }

        switch(atom->GetAtomicNum())
          {
            //phosphorus and sulfur may be initially typed as sp3
          case 6:
          case 7:
          case 8:
            if (atom->GetHyb() != 2)
              _vpa[atom->GetIdx()] = false;
            break;
          }
      }

    //propagate potentially aromatic atoms
    for (atom = mol.BeginAtom(i);atom;atom = mol.NextAtom(i))
      if (_vpa[atom->GetIdx()])
        PropagatePotentialAromatic(atom);

    //select root atoms
    SelectRootAtoms(mol);

    ExcludeSmallRing(mol); //remove 3 membered rings from consideration

    //loop over root atoms and look for aromatic rings
    _visit.clear();
    _visit.resize(mol.NumAtoms()+1);
    for (atom = mol.BeginAtom(i);atom;atom = mol.NextAtom(i))
      if (_root[atom->GetIdx()])
        CheckAromaticity(atom,14);

    //for (atom = mol.BeginAtom(i);atom;atom = mol.NextAtom(i))
    //	  if (atom->IsAromatic())
    //		  cerr << "aro = " <<atom->GetIdx()  << endl;

    //for (bond = mol.BeginBond(j);bond;bond = mol.NextBond(j))
    //if (bond->IsAromatic())
    //cerr << bond->GetIdx() << ' ' << bond->IsAromatic() << endl;
  }
开发者ID:annulen,项目名称:openbabel,代码行数:91,代码来源:typer.cpp


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