src/visitors/AtomVisitor.cpp

/*
 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 *
 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
 * research, please cite the appropriate papers when you publish your
 * work.  Good starting points are:
 *                                                                      
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
 * [4]  Vardeman & Gezelter, in progress (2009).                        
 */
 
#include <cstring>
#include "visitors/AtomVisitor.hpp"
#include "primitives/DirectionalAtom.hpp"
#include "primitives/RigidBody.hpp"

namespace OpenMD {
  void BaseAtomVisitor::visit(RigidBody *rb) {
    //vector<Atom*> myAtoms;
    //vector<Atom*>::iterator atomIter;

    //myAtoms = rb->getAtoms();

    //for(atomIter = myAtoms.begin(); atomIter != myAtoms.end(); ++atomIter)
    //  (*atomIter)->accept(this);
  }

  void BaseAtomVisitor::setVisited(Atom *atom) {
    GenericData *data;
    data = atom->getPropertyByName("VISITED");

    //if visited property is not existed, add it as new property
    if (data == NULL) {
      data = new GenericData();
      data->setID("VISITED");
      atom->addProperty(data);
    }
  }

  bool BaseAtomVisitor::isVisited(Atom *atom) {
    GenericData *data;
    data = atom->getPropertyByName("VISITED");
    return data == NULL ? false : true;
  }

  bool SSDAtomVisitor::isSSDAtom(const std::string&atomType) {
    std::set<std::string>::iterator strIter;
    strIter = ssdAtomType.find(atomType);
    return strIter != ssdAtomType.end() ? true : false;
  }

  void SSDAtomVisitor::visit(DirectionalAtom *datom) {
    std::vector<AtomInfo*>atoms;

    //we need to convert SSD into 4 different atoms
    //one oxygen atom, two hydrogen atoms and one pseudo atom which is the center of 
    //the mass of the water with a dipole moment
    Vector3d h1(0.0, -0.75695, 0.5206);
    Vector3d h2(0.0, 0.75695, 0.5206);
    Vector3d ox(0.0, 0.0, -0.0654);
    Vector3d u(0, 0, 1);
    RotMat3x3d   rotMatrix;
    RotMat3x3d   rotTrans;
    AtomInfo *   atomInfo;
    Vector3d     pos;
    Vector3d     newVec;
    Quat4d       q;
    AtomData *   atomData;
    GenericData *data;
    bool         haveAtomData;

    //if atom is not SSD atom, just skip it
    if (!isSSDAtom(datom->getType()))
      return;

    data = datom->getPropertyByName("ATOMDATA");

    if (data != NULL) {
      atomData = dynamic_cast<AtomData *>(data);

      if (atomData == NULL) {
        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
        atomData = new AtomData;
        haveAtomData = false;
      } else
        haveAtomData = true;
    } else {
      atomData = new AtomData;
      haveAtomData = false;
    }

    pos = datom->getPos();
    q = datom->getQ();
    rotMatrix = datom->getA();

    // We need A^T to convert from body-fixed to space-fixed:
    //transposeMat3(rotMatrix, rotTrans);
    rotTrans = rotMatrix.transpose();

    //center of mass of the water molecule
    //matVecMul3(rotTrans, u, newVec);
    newVec = rotTrans * u;

    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "X";
    atomInfo->pos[0] = pos[0];
    atomInfo->pos[1] = pos[1];
    atomInfo->pos[2] = pos[2];
    atomInfo->dipole[0] = newVec[0];
    atomInfo->dipole[1] = newVec[1];
    atomInfo->dipole[2] = newVec[2];

    atomData->addAtomInfo(atomInfo);

    //oxygen
    //matVecMul3(rotTrans, ox, newVec);
    newVec = rotTrans * ox;

    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "O";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    //hydrogen1
    //matVecMul3(rotTrans, h1, newVec);
    newVec = rotTrans * h1;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "H";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    //hydrogen2
    //matVecMul3(rotTrans, h2, newVec);
    newVec = rotTrans * h2;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "H";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    //add atom data into atom's property

    if (!haveAtomData) {
      atomData->setID("ATOMDATA");
      datom->addProperty(atomData);
    }

    setVisited(datom);
  }

  const std::string SSDAtomVisitor::toString() {
    char   buffer[65535];
    std::string result;

    sprintf(buffer,
            "------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer, "Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer,
            "Visitor Description: Convert SSD into 4 different atoms\n");
    result += buffer;

    sprintf(buffer,
            "------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }


  bool TREDAtomVisitor::isTREDAtom(const std::string&atomType) {
    std::set<std::string>::iterator strIter;
    strIter = tredAtomType.find(atomType);
    return strIter != tredAtomType.end() ? true : false;
  }

  void TREDAtomVisitor::visit(DirectionalAtom *datom) {
    std::vector<AtomInfo*>atoms;

    // we need to convert a TRED into 4 different atoms:
    // one oxygen atom, two hydrogen atoms, and one atom which is the center of 
    // the mass of the water with a dipole moment
    Vector3d h1(0.0, -0.75695, 0.5206);
    Vector3d h2(0.0, 0.75695, 0.5206);
    Vector3d ox(0.0, 0.0, -0.0654);
    Vector3d u(0, 0, 1);
    RotMat3x3d   rotMatrix;
    RotMat3x3d   rotTrans;
    AtomInfo *   atomInfo;
    Vector3d     pos;
    Vector3d     newVec;
    Quat4d       q;
    AtomData *   atomData;
    GenericData *data;
    bool         haveAtomData;

    // if the atom is not a TRED atom, skip it
    if (!isTREDAtom(datom->getType()))
      return;

    data = datom->getPropertyByName("ATOMDATA");

    if (data != NULL) {
      atomData = dynamic_cast<AtomData *>(data);

      if (atomData == NULL) {
        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
        atomData = new AtomData;
        haveAtomData = false;
      } else
        haveAtomData = true;
    } else {
      atomData = new AtomData;
      haveAtomData = false;
    }

    pos = datom->getPos();
    q = datom->getQ();
    rotMatrix = datom->getA();

    // We need A^T to convert from body-fixed to space-fixed:
    // transposeMat3(rotMatrix, rotTrans);
    rotTrans = rotMatrix.transpose();

    // center of mass of the water molecule
    // matVecMul3(rotTrans, u, newVec);
    newVec = rotTrans * u;

    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "TRED";
    atomInfo->pos[0] = pos[0];
    atomInfo->pos[1] = pos[1];
    atomInfo->pos[2] = pos[2];
    atomInfo->dipole[0] = newVec[0];
    atomInfo->dipole[1] = newVec[1];
    atomInfo->dipole[2] = newVec[2];

    atomData->addAtomInfo(atomInfo);

    // oxygen
    // matVecMul3(rotTrans, ox, newVec);
    newVec = rotTrans * ox;

    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "O";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    // hydrogen1
    // matVecMul3(rotTrans, h1, newVec);
    newVec = rotTrans * h1;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "H";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    // hydrogen2
    // matVecMul3(rotTrans, h2, newVec);
    newVec = rotTrans * h2;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "H";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    // add atom data into atom's property

    if (!haveAtomData) {
      atomData->setID("ATOMDATA");
      datom->addProperty(atomData);
    }

    setVisited(datom);
  }

  const std::string TREDAtomVisitor::toString() {
    char   buffer[65535];
    std::string result;

    sprintf(buffer,
            "------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer, "Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer,
            "Visitor Description: Convert the TRED atom into 4 different atoms\n");
    result += buffer;

    sprintf(buffer,
            "------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }


  bool LinearAtomVisitor::isLinearAtom(const std::string& atomType){
    std::set<std::string>::iterator strIter;
    strIter = linearAtomType.find(atomType);

    return strIter != linearAtomType.end() ? true : false;
  }

  void LinearAtomVisitor::addGayBerneAtomType(const std::string& atomType){
   linearAtomType.insert(atomType); 
  }

  void LinearAtomVisitor::visit(DirectionalAtom* datom){
    std::vector<AtomInfo*> atoms;
    //we need to convert linear into 4 different atoms
    Vector3d c1(0.0, 0.0, -1.8);
    Vector3d c2(0.0, 0.0, -0.6);
    Vector3d c3(0.0, 0.0,  0.6);
    Vector3d c4(0.0, 0.0,  1.8);
    RotMat3x3d rotMatrix;
    RotMat3x3d rotTrans;
    AtomInfo* atomInfo;
    Vector3d pos;
    Vector3d newVec;
    Quat4d q;
    AtomData* atomData;
    GenericData* data;
    bool haveAtomData;
    //if atom is not linear atom, just skip it
    if(!isLinearAtom(datom->getType()) || !datom->getAtomType()->isGayBerne())
      return;

    //setup GayBerne type in fortran side
    data = datom->getAtomType()->getPropertyByName("GayBerne");
    if (data != NULL) {
       GayBerneParamGenericData* gayBerneData = dynamic_cast<GayBerneParamGenericData*>(data);

       if (gayBerneData != NULL) {
           GayBerneParam gayBerneParam = gayBerneData->getData();

                          // double halfLen = gayBerneParam.GB_sigma * gayBerneParam.GB_l2b_ratio/2.0;
                          double halfLen = gayBerneParam.GB_l/2.0;
                          c1[2] = -halfLen;
              c2[2] = -halfLen /2;
              c3[2] = halfLen/2;
              c4[2] = halfLen;
                
            } 
            
              else {
                    sprintf( painCave.errMsg,
                           "Can not cast GenericData to GayBerneParam\n");
                    painCave.severity = OPENMD_ERROR;
                    painCave.isFatal = 1;
                    simError();          
        }            
    } 


    data = datom->getPropertyByName("ATOMDATA");
    if(data != NULL){
      atomData = dynamic_cast<AtomData*>(data);  
      if(atomData == NULL){
        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
        atomData = new AtomData; 
        haveAtomData = false;      
      } else {
        haveAtomData = true;
      }
    } else {
      atomData = new AtomData;
      haveAtomData = false;
    }
   
  
    pos = datom->getPos();
    q = datom->getQ();
    rotMatrix = datom->getA();

    // We need A^T to convert from body-fixed to space-fixed:  
    rotTrans = rotMatrix.transpose();

    newVec = rotTrans * c1;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "C";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c2;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "C";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c3;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "C";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c4;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "C";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    //add atom data into atom's property

    if(!haveAtomData){
      atomData->setID("ATOMDATA");
      datom->addProperty(atomData);
    }

    setVisited(datom);

  }

  const std::string LinearAtomVisitor::toString(){
    char buffer[65535];
    std::string result;
  
    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer ,"Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer , "Visitor Description: Convert linear into 4 different atoms\n");
    result += buffer;

    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }

  bool GBLipidAtomVisitor::isGBLipidAtom(const std::string& atomType){
    std::set<std::string>::iterator strIter;
    strIter = GBLipidAtomType.find(atomType);

    return strIter != GBLipidAtomType.end() ? true : false;
  }

  void GBLipidAtomVisitor::visit(DirectionalAtom* datom){
    std::vector<AtomInfo*> atoms;
    Vector3d c1(0.0, 0.0, 0.0);
    Vector3d c2(0.0, 0.0, 1.0);
    RotMat3x3d rotMatrix;
    RotMat3x3d rotTrans;
    AtomInfo* atomInfo;
    Vector3d pos;
    Vector3d newVec;
    Vector3d dVec;
    Quat4d q;
    AtomData* atomData;
    GenericData* data;
    bool haveAtomData;

    //if atom is not GBlipid atom, just skip it
    if(!isGBLipidAtom(datom->getType()))
      return;

    data = datom->getPropertyByName("ATOMDATA");
    if(data != NULL){
      atomData = dynamic_cast<AtomData*>(data);  
      if(atomData == NULL){
        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
        atomData = new AtomData; 
        haveAtomData = false;      
      } else {
        haveAtomData = true;
      }
    } else {
      atomData = new AtomData;
      haveAtomData = false;
    }
   
  
    pos = datom->getPos();
    q = datom->getQ();
    rotMatrix = datom->getA();

    // We need A^T to convert from body-fixed to space-fixed:  
    rotTrans = rotMatrix.transpose();

    newVec = rotTrans * c1;
    dVec = rotTrans * c2;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "GB";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = dVec[0];
    atomInfo->dipole[1] = dVec[1];
    atomInfo->dipole[2] = dVec[2];
    atomInfo->hasVector = true;
    atomInfo->charge = 3.0;
    atomInfo->hasCharge = true;
    atomData->addAtomInfo(atomInfo);

    //add atom data into atom's property

    if(!haveAtomData){
      atomData->setID("ATOMDATA");
      datom->addProperty(atomData);
    }

    setVisited(datom);

  }

  const std::string GBLipidAtomVisitor::toString(){
    char buffer[65535];
    std::string result;
  
    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer ,"Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer , "Visitor Description: Convert GBlipid into xyz-formatted atom for use with xyz2pov\n");
    result += buffer;

    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }

  bool Ring5gbAtomVisitor::isRing5gbAtom(const std::string& atomType){
    std::set<std::string>::iterator strIter;
    strIter = Ring5gbAtomType.find(atomType);

    return strIter != Ring5gbAtomType.end() ? true : false;
  }

  void Ring5gbAtomVisitor::visit(DirectionalAtom* datom){
    std::vector<AtomInfo*> atoms;
    //we need to convert linear into 4 different atoms
    Vector3d c1(0.0, 0.0, -5.5);
    Vector3d c2(0.0, 0.0, -1.8);
    Vector3d c3(0.0, 0.0,  1.8);
    Vector3d c4(0.0, 0.0,  5.5);
    RotMat3x3d rotMatrix;
    RotMat3x3d rotTrans;
    AtomInfo* atomInfo;
    Vector3d pos;
    Vector3d newVec;
    Vector3d dVec;
    Quat4d q;
    AtomData* atomData;
    GenericData* data;
    bool haveAtomData;

    //if atom is not Ring5GB atom, just skip it
    if(!isRing5gbAtom(datom->getType()))
      return;

    data = datom->getPropertyByName("ATOMDATA");
    if(data != NULL){
      atomData = dynamic_cast<AtomData*>(data);  
      if(atomData == NULL){
        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
        atomData = new AtomData; 
        haveAtomData = false;      
      } else {
        haveAtomData = true;
      }
    } else {
      atomData = new AtomData;
      haveAtomData = false;
    }
   
  
    pos = datom->getPos();
    q = datom->getQ();
    rotMatrix = datom->getA();

    // We need A^T to convert from body-fixed to space-fixed:  
    rotTrans = rotMatrix.transpose();

    newVec = rotTrans * c1;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "K";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c2;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "K";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c3;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "K";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c4;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "K";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    //add atom data into atom's property

    if(!haveAtomData){
      atomData->setID("ATOMDATA");
      datom->addProperty(atomData);
    }

    setVisited(datom);

  }

  const std::string Ring5gbAtomVisitor::toString(){
    char buffer[65535];
    std::string result;
  
    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer ,"Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer , "Visitor Description: Convert Ring5GB into 4 different K atoms\n");
    result += buffer;

    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }

  bool HeadAtomVisitor::isHeadAtom(const std::string& atomType){
    std::set<std::string>::iterator strIter;
    strIter = HeadAtomType.find(atomType);

    return strIter != HeadAtomType.end() ? true : false;
  }

  void HeadAtomVisitor::visit(DirectionalAtom* datom){
    std::vector<AtomInfo*> atoms;
    //we need to convert linear into 2 different atoms
    Vector3d c1(0.0, 0.0, -1.5);
    Vector3d c2(0.0, 0.0, 1.5);
    RotMat3x3d rotMatrix;
    RotMat3x3d rotTrans;
    AtomInfo* atomInfo;
    Vector3d pos;
    Vector3d newVec;
    Vector3d dVec;
    Quat4d q;
    AtomData* atomData;
    GenericData* data;
    bool haveAtomData;

    //if atom is not Head atom, just skip it
    if(!isHeadAtom(datom->getType()))
      return;

    data = datom->getPropertyByName("ATOMDATA");
    if(data != NULL){
      atomData = dynamic_cast<AtomData*>(data);  
      if(atomData == NULL){
        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
        atomData = new AtomData; 
        haveAtomData = false;      
      } else {
        haveAtomData = true;
      }
    } else {
      atomData = new AtomData;
      haveAtomData = false;
    }
   
  
    pos = datom->getPos();
    q = datom->getQ();
    rotMatrix = datom->getA();

    // We need A^T to convert from body-fixed to space-fixed:  
    rotTrans = rotMatrix.transpose();

    newVec = rotTrans * c1;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "C";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    newVec = rotTrans * c2;
    atomInfo = new AtomInfo;
    atomInfo->atomTypeName = "O";
    atomInfo->pos[0] = pos[0] + newVec[0];
    atomInfo->pos[1] = pos[1] + newVec[1];
    atomInfo->pos[2] = pos[2] + newVec[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;
    atomData->addAtomInfo(atomInfo);

    //add atom data into atom's property

    if(!haveAtomData){
      atomData->setID("ATOMDATA");
      datom->addProperty(atomData);
    }

    setVisited(datom);

  }

  const std::string HeadAtomVisitor::toString(){
    char buffer[65535];
    std::string result;
  
    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer ,"Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer , "Visitor Description: Convert HEAD into C atom and O atom\n");
    result += buffer;

    sprintf(buffer ,"------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }


  //----------------------------------------------------------------------------//

  void DefaultAtomVisitor::visit(Atom *atom) {
    AtomData *atomData;
    AtomInfo *atomInfo;
    Vector3d  pos;

    if (isVisited(atom))
      return;

    atomInfo = new AtomInfo;

    atomData = new AtomData;
    atomData->setID("ATOMDATA");

    pos = atom->getPos();
    atomInfo->atomTypeName = atom->getType();
    atomInfo->pos[0] = pos[0];
    atomInfo->pos[1] = pos[1];
    atomInfo->pos[2] = pos[2];
    atomInfo->dipole[0] = 0.0;
    atomInfo->dipole[1] = 0.0;
    atomInfo->dipole[2] = 0.0;

    atomData->addAtomInfo(atomInfo);

    atom->addProperty(atomData);

    setVisited(atom);
  }

  void DefaultAtomVisitor::visit(DirectionalAtom *datom) {
    AtomData *atomData;
    AtomInfo *atomInfo;
    Vector3d  pos;
    Vector3d  u;

    if (isVisited(datom))
      return;

    pos = datom->getPos();
    if (datom->getAtomType()->isGayBerne()) {
        u = datom->getA().transpose()*V3Z;         
    } else if (datom->getAtomType()->isMultipole()) {
        u = datom->getElectroFrame().getColumn(2);
    }
    atomData = new AtomData;
    atomData->setID("ATOMDATA");
    atomInfo = new AtomInfo;

    atomInfo->atomTypeName = datom->getType();
    atomInfo->pos[0] = pos[0];
    atomInfo->pos[1] = pos[1];
    atomInfo->pos[2] = pos[2];
    atomInfo->dipole[0] = u[0];
    atomInfo->dipole[1] = u[1];
    atomInfo->dipole[2] = u[2];

    atomData->addAtomInfo(atomInfo);

    datom->addProperty(atomData);

    setVisited(datom);
  }

  const std::string DefaultAtomVisitor::toString() {
    char   buffer[65535];
    std::string result;

    sprintf(buffer,
            "------------------------------------------------------------------\n");
    result += buffer;

    sprintf(buffer, "Visitor name: %s\n", visitorName.c_str());
    result += buffer;

    sprintf(buffer,
            "Visitor Description: copy atom infomation into atom data\n");
    result += buffer;

    sprintf(buffer,
            "------------------------------------------------------------------\n");
    result += buffer;

    return result;
  }
} //namespace OpenMD
Revision:	1390
Committed:	Wed Nov 25 20:02:06 2009 UTC (15 years, 5 months ago) by gezelter
Original Path:	*trunk/src/visitors/AtomVisitor.cpp*
File size:	26601 byte(s)
Log Message:	Almost all of the changes necessary to create OpenMD out of our old project (OOPSE-4)