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/********************************************************************** | 
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Copyright (C) 2000 by OpenEye Scientific Software, Inc. | 
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Some portions Copyright (C) 2001-2005 by Geoffrey R. Hutchison | 
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Some portions Copyright (C) 2004 by Chris Morley | 
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  | 
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This program is free software; you can redistribute it and/or modify | 
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it under the terms of the GNU General Public License as published by | 
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the Free Software Foundation version 2 of the License. | 
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  | 
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This program is distributed in the hope that it will be useful, | 
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but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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GNU General Public License for more details. | 
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***********************************************************************/ | 
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 | 
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#include "oopseformat.hpp" | 
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#include <fstream> | 
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namespace OpenBabel | 
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{ | 
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 | 
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bool OOPSEFormat::WriteMolecule(OBBase* pOb, OBConversion* pConv) | 
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{ | 
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    OBMol* pmol = dynamic_cast<OBMol*>(pOb); | 
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    if(pmol==NULL) | 
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        return false; | 
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     | 
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    vector<vector<int> > fragmentLists; | 
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    pmol->ContigFragList(fragmentLists); | 
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    OBBitVec unused; | 
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    vector<bool> used(fragmentLists.size(), 0); | 
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    vector<vector<int> > molecules; | 
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    vector<int> indices; | 
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    for(int i =0; i < used.size(); ++i) { | 
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        if (used[i]) | 
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        { | 
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            continue; | 
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        } | 
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        used[i] = true; | 
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        vector<int> sameMolTypes; | 
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        sameMolTypes.push_back(i); | 
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        indices.insert(indices.end(), fragmentLists[i].begin(), fragmentLists[i].end()); | 
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        for (int j = i + 1;j < used.size(); ++j) | 
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        { | 
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            if (used[j]) | 
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            { | 
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                continue; | 
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            } | 
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             | 
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            if (AreSameFragments(*pmol, fragmentLists[i], fragmentLists[j])) | 
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            { | 
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                sameMolTypes.push_back(j); | 
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                indices.insert(indices.end(), fragmentLists[j].begin(), fragmentLists[j].end()); | 
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                used[j]=true; | 
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            } | 
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        } | 
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        molecules.push_back(sameMolTypes); | 
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         | 
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    } | 
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 | 
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    // | 
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    vector<OBMol*> mdMols;     | 
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    vector<int> numMols; | 
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    for(vector<vector<int> >::iterator  i = molecules.begin(); i != molecules.end(); ++i)  | 
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    { | 
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        mdMols.push_back(createMolFromFragment(*pmol, fragmentLists[i->front()])); | 
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        numMols.push_back((*i).size()); | 
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    } | 
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 | 
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    string OutputFileName = pConv->GetInFilename(); | 
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    unsigned int pos = OutputFileName.rfind("."); | 
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    if(pos==string::npos) | 
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        OutputFileName += ".md"; | 
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    else | 
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        OutputFileName = OutputFileName.substr(0, pos) + ".md";        | 
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    ofstream ofs(OutputFileName.c_str()); | 
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    if(!ofs) | 
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    { | 
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         cerr << "Cannot write to " << OutputFileName <<endl; | 
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         return false; | 
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    } | 
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                 | 
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    WriteMDFile(mdMols, numMols, ofs);     | 
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 | 
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    for(vector<OBMol*>::iterator  i = mdMols.begin(); i != mdMols.end(); ++i)  | 
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    { | 
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        delete *i; | 
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    } | 
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 | 
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    //     | 
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    WriteINFile(*pmol, *pConv->GetOutStream(), indices); | 
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 | 
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 | 
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 | 
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    return(true); | 
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} | 
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 | 
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bool OOPSEFormat::AreSameFragments(OBMol& mol, vector<int>& frag1, vector<int>& frag2) | 
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{ | 
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    if (frag1.size() != frag2.size()) | 
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    { | 
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        return false; | 
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    } | 
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 | 
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    //exact graph matching is a NP complete problem | 
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    /** @todo using sparse matrix to store the connectivities*/ | 
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    for (unsigned int i =0 ; i < frag1.size(); ++i) | 
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    { | 
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        OBAtom* atom1 = mol.GetAtom(frag1[i]); | 
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        OBAtom* atom2 = mol.GetAtom(frag2[i]); | 
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         | 
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        if (atom1->GetAtomicNum() != atom2->GetAtomicNum()) | 
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        { | 
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            return false; | 
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        } | 
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    } | 
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    return true; | 
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} | 
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 | 
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struct SameAngle | 
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{ | 
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  bool operator()(const triple<OBAtom*,OBAtom*,OBAtom*> t1, const triple<OBAtom*,OBAtom*,OBAtom*> t2) const | 
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  { | 
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    return (t1.second == t2.second) && ( (t1.first == t2.first && t1.third == t2.third) || (t1.first == t2.third && t1.third == t2.first)); | 
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  } | 
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}; | 
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 | 
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void OOPSEFormat::findAngles(OBMol& mol) | 
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{ | 
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    /* | 
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    //if already has data return | 
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    if(mol.HasData(OBGenericDataType::AngleData)) | 
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        return; | 
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 | 
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    vector<OBEdgeBase*>::iterator bi1,bi2; | 
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    OBBond* bond; | 
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    OBAtom *a,*b,*c; | 
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 | 
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    set<triple<OBAtom*,OBAtom*,OBAtom*>, SameAngle> uniqueAngles; | 
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    //loop through all bonds generating torsions | 
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    for(bond = mol.BeginBond(bi1);bond;bond = mol.NextBond(bi1)) | 
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    { | 
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        b = bond->GetBeginAtom(); | 
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        c = bond->GetEndAtom(); | 
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        if(b->IsHydrogen()) | 
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            continue; | 
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 | 
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        for(a = b->BeginNbrAtom(bi2);a;a = b->NextNbrAtom(bi2)) | 
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        { | 
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            if(a == c) | 
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                continue;           | 
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             | 
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            uniqueAngles.insert(triple<OBAtom*,OBAtom*,OBAtom*>(a, b, c)); | 
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        } | 
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    } | 
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 | 
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    //get new data and attach it to molecule | 
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    OBAngleData *angles = new OBAngleData; | 
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    mol.SetData(angles); | 
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    set<triple<OBAtom*,OBAtom*,OBAtom*>, SameAngle>::iterator i; | 
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 | 
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    for (i = uniqueAngles.begin(); i != uniqueAngles.end(); ++i) { | 
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        OBAngle angle; | 
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        angle.SetAtoms(i->first, i->second, i->second); | 
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        angles->SetData(angle); | 
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    } | 
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    */ | 
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} | 
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OBMol* OOPSEFormat::createMolFromFragment(OBMol& mol, vector<int>& fragment) | 
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{ | 
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    OBMol* newMol = new OBMol(); | 
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    newMol->ReserveAtoms(fragment.size()); | 
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    newMol->BeginModify(); | 
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    for(vector<int>::iterator i = fragment.begin(); i != fragment.end(); ++i) | 
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    { | 
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        OBAtom* newAtom = newMol->NewAtom(); | 
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        *newAtom = *mol.GetAtom(*i); | 
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    } | 
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    newMol->EndModify(); | 
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    newMol->ConnectTheDots(); | 
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    findAngles(*newMol); | 
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    newMol->FindTorsions(); | 
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    return newMol; | 
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} | 
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void OOPSEFormat::WriteMDFile(vector<OBMol*> mols, vector<int> numMols, ostream& os) | 
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{ | 
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    std::string identLevel1("\t"); | 
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    std::string identLevel2("\t\t"); | 
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    std::string molPrefix("MolName"); | 
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    const int BUFFLEN = 1024; | 
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    char buffer[BUFFLEN]; | 
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     | 
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    for(unsigned int i = 0; i < mols.size(); ++i) | 
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    { | 
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        OBMol* pmol = mols[i]; | 
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        map<OBAtom*, int> atomMap; | 
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        os << "molecule {\n"; | 
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        sprintf(buffer, "%d", i); | 
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        os << identLevel1 << "name = " << "\"" << molPrefix << buffer << "\"" << ";\n"; | 
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 | 
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         | 
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        //atom | 
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        int ai = 0; | 
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        FOR_ATOMS_OF_MOL(atom, *pmol ) { | 
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            os << identLevel1 << "atom[" << ai << "] {\n"; | 
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            os << identLevel2 << "type = " << "\"" << etab.GetSymbol(atom->GetAtomicNum()) << "\"" << ";\n"; | 
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            os << identLevel1 << "}\n"; | 
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            atomMap[&(*atom)] = ai++; | 
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        }         | 
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        os << "\n"; | 
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 | 
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        //bond | 
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        FOR_BONDS_OF_MOL(bond, *pmol ) { | 
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            os << identLevel1 << "bond {\n"; | 
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            os << identLevel2 << "members(" << atomMap[bond->GetBeginAtom()] <<  ", " << atomMap[bond->GetEndAtom()] << ");\n"; | 
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            os << identLevel1 << "}\n"; | 
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        }   | 
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        /* | 
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        //bend | 
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        OBGenericData* pGenericData = pmol->GetData(OBGenericDataType::AngleData); | 
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        OBAngleData* pAngleData = dynamic_cast<OBAngleData*>(pGenericData); | 
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        vector<OBAngle> angles = pAngleData->GetData(); | 
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 | 
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        os << identLevel1 << "nBends = " << angles.size() << ";\n";         | 
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        int bendIndex = 0; | 
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        for (vector<OBAngle>::iterator ti = angles.begin(); ti != angles.end(); ++ti) | 
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        { | 
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            triple<OBAtom*, OBAtom*, OBAtom*> bendAtoms = ti->getAtoms(); | 
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            os << identLevel1 << "bend[" << bendIndex++ << "] {\n"; | 
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            os << identLevel2 << "member(" << atomMap[bendAtoms.first] <<  ", " << atomMap[bendAtoms.second] << atomMap[bendAtoms.third] <<");\n"; | 
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            os << identLevel1 << "}\n";             | 
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        } | 
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         | 
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        //torsion | 
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        pGenericData = pmol->GetData(OBGenericDataType::TorsionData); | 
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        OBTorsionData* pTorsionData = dynamic_cast<OBTorsionData*>(pGenericData); | 
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        vector<OBTorsion> torsions = pTorsionData->GetData(); | 
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        vector<quad<OBAtom*,OBAtom*,OBAtom*,OBAtom*> > torsionArray; | 
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        for (vector<OBTorsion>::iterator ti = torsions.begin(); ti != torsions.end(); ++ti) | 
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        { | 
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            vector<quad<OBAtom*,OBAtom*,OBAtom*,OBAtom*> > tmpTorsions = ti->getTorsions(); | 
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            torsionArray.insert(torsionArray.end(), tmpTorsions.begin(), tmpTorsions.end());             | 
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        } | 
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 | 
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        os << identLevel1 << "nTorsions = " << torsionArray.size() << ";\n"; | 
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        int torsionIndex = 0; | 
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        for (vector<quad<OBAtom*,OBAtom*,OBAtom*,OBAtom*> >::iterator ti = torsionArray.begin(); ti != torsionArray.end(); ++ti) | 
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        { | 
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            os << identLevel1 << "torsion[" << torsionIndex++ << "] {\n"; | 
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            os << identLevel2 << "member(" << atomMap[ti->first] <<  ", " << atomMap[ti->second] <<", " << atomMap[ti->third] <<", " << atomMap[ti->forth] << ");\n"; | 
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            os << identLevel1 << "}\n";           | 
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        } | 
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        */ | 
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        os << "}\n"; | 
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        os << "\n"; | 
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 | 
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    } | 
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 | 
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    os << "\n"; | 
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    os << "nComponents = " << mols.size() << ";\n"; | 
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     | 
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    for(unsigned int i =0; i < mols.size(); ++i) | 
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    { | 
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        os << "component{\n"; | 
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        sprintf(buffer, "%d", i); | 
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        os << "type = " << molPrefix << buffer << ";\n"; | 
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        os << "nMol = " << numMols[i]<< ";\n"; | 
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        os << "}\n"; | 
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    } | 
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} | 
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void OOPSEFormat::WriteINFile(OBMol& mol, ostream& ofs, vector<int>& indices) | 
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{ | 
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    unsigned int i; | 
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    char buffer[BUFF_SIZE]; | 
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     | 
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    sprintf(buffer,"%d", mol.NumAtoms()); | 
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    ofs << buffer << endl; | 
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    //sprintf(buffer,"0;%f, 0, 0; 0, %15.7f, 0; 0, 0, %15.7f;", boxx, boxy, boxz); | 
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    sprintf(buffer, "0;%f, 0, 0; 0, %15.7f, 0; 0, 0, %15.7f;", 100.0, 100.0, 100.0); | 
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    ofs << buffer << endl; | 
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 | 
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    OBAtom *atom; | 
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    string str,str1; | 
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     | 
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    for(vector<int>::iterator i = indices.begin();i != indices.end(); ++i) | 
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    { | 
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        atom = mol.GetAtom(*i); | 
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        sprintf(buffer,"%-10s%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f%-15.5f", | 
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                etab.GetSymbol(atom->GetAtomicNum()), | 
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                atom->GetX(), atom->GetY(), atom->GetZ(), | 
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                0.0, 0.0, 0.0, | 
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                0.0, 0.0, 0.0, 0.0, | 
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                0.0, 0.0, 0.0 | 
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                ); | 
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        ofs << buffer << endl; | 
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    } | 
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     | 
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} | 
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 | 
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} //namespace OpenBabel | 
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 |