ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/trunk/src/visitors/AtomVisitor.cpp
(Generate patch)

Comparing trunk/src/visitors/AtomVisitor.cpp (file contents):
Revision 992 by chrisfen, Wed Jun 21 18:28:27 2006 UTC vs.
Revision 1008 by chrisfen, Wed Jul 19 12:35:31 2006 UTC

# Line 82 | Line 82 | namespace oopse {
82    void SSDAtomVisitor::visit(DirectionalAtom *datom) {
83      std::vector<AtomInfo*>atoms;
84  
85 <    //we need to convert SSD into 4 differnet atoms
86 <    //one oxygen atom, two hydrogen atoms and one pseudo atom which is the center of the mass
87 <    //of the water with a dipole moment
85 >    //we need to convert SSD into 4 different atoms
86 >    //one oxygen atom, two hydrogen atoms and one pseudo atom which is the center of
87 >    //the mass of the water with a dipole moment
88      Vector3d h1(0.0, -0.75695, 0.5206);
89      Vector3d h2(0.0, 0.75695, 0.5206);
90      Vector3d ox(0.0, 0.0, -0.0654);
# Line 214 | Line 214 | namespace oopse {
214      return result;
215    }
216  
217 +
218 +  bool TREDAtomVisitor::isTREDAtom(const std::string&atomType) {
219 +    std::set<std::string>::iterator strIter;
220 +    strIter = tredAtomType.find(atomType);
221 +    return strIter != tredAtomType.end() ? true : false;
222 +  }
223 +
224 +  void TREDAtomVisitor::visit(DirectionalAtom *datom) {
225 +    std::vector<AtomInfo*>atoms;
226 +
227 +    // we need to convert a TRED into 4 different atoms:
228 +    // one oxygen atom, two hydrogen atoms, and one atom which is the center of
229 +    // the mass of the water with a dipole moment
230 +    Vector3d h1(0.0, -0.75695, 0.5206);
231 +    Vector3d h2(0.0, 0.75695, 0.5206);
232 +    Vector3d ox(0.0, 0.0, -0.0654);
233 +    Vector3d u(0, 0, 1);
234 +    RotMat3x3d   rotMatrix;
235 +    RotMat3x3d   rotTrans;
236 +    AtomInfo *   atomInfo;
237 +    Vector3d     pos;
238 +    Vector3d     newVec;
239 +    Quat4d       q;
240 +    AtomData *   atomData;
241 +    GenericData *data;
242 +    bool         haveAtomData;
243 +
244 +    // if the atom is not a TRED atom, skip it
245 +    if (!isTREDAtom(datom->getType()))
246 +      return;
247 +
248 +    data = datom->getPropertyByName("ATOMDATA");
249 +
250 +    if (data != NULL) {
251 +      atomData = dynamic_cast<AtomData *>(data);
252 +
253 +      if (atomData == NULL) {
254 +        std::cerr << "can not get Atom Data from " << datom->getType() << std::endl;
255 +        atomData = new AtomData;
256 +        haveAtomData = false;
257 +      } else
258 +        haveAtomData = true;
259 +    } else {
260 +      atomData = new AtomData;
261 +      haveAtomData = false;
262 +    }
263 +
264 +    pos = datom->getPos();
265 +    q = datom->getQ();
266 +    rotMatrix = datom->getA();
267 +
268 +    // We need A^T to convert from body-fixed to space-fixed:
269 +    // transposeMat3(rotMatrix, rotTrans);
270 +    rotTrans = rotMatrix.transpose();
271 +
272 +    // center of mass of the water molecule
273 +    // matVecMul3(rotTrans, u, newVec);
274 +    newVec = rotTrans * u;
275 +
276 +    atomInfo = new AtomInfo;
277 +    atomInfo->atomTypeName = "TRED";
278 +    atomInfo->pos[0] = pos[0];
279 +    atomInfo->pos[1] = pos[1];
280 +    atomInfo->pos[2] = pos[2];
281 +    atomInfo->dipole[0] = newVec[0];
282 +    atomInfo->dipole[1] = newVec[1];
283 +    atomInfo->dipole[2] = newVec[2];
284 +
285 +    atomData->addAtomInfo(atomInfo);
286 +
287 +    // oxygen
288 +    // matVecMul3(rotTrans, ox, newVec);
289 +    newVec = rotTrans * ox;
290 +
291 +    atomInfo = new AtomInfo;
292 +    atomInfo->atomTypeName = "O";
293 +    atomInfo->pos[0] = pos[0] + newVec[0];
294 +    atomInfo->pos[1] = pos[1] + newVec[1];
295 +    atomInfo->pos[2] = pos[2] + newVec[2];
296 +    atomInfo->dipole[0] = 0.0;
297 +    atomInfo->dipole[1] = 0.0;
298 +    atomInfo->dipole[2] = 0.0;
299 +    atomData->addAtomInfo(atomInfo);
300 +
301 +    // hydrogen1
302 +    // matVecMul3(rotTrans, h1, newVec);
303 +    newVec = rotTrans * h1;
304 +    atomInfo = new AtomInfo;
305 +    atomInfo->atomTypeName = "H";
306 +    atomInfo->pos[0] = pos[0] + newVec[0];
307 +    atomInfo->pos[1] = pos[1] + newVec[1];
308 +    atomInfo->pos[2] = pos[2] + newVec[2];
309 +    atomInfo->dipole[0] = 0.0;
310 +    atomInfo->dipole[1] = 0.0;
311 +    atomInfo->dipole[2] = 0.0;
312 +    atomData->addAtomInfo(atomInfo);
313 +
314 +    // hydrogen2
315 +    // matVecMul3(rotTrans, h2, newVec);
316 +    newVec = rotTrans * h2;
317 +    atomInfo = new AtomInfo;
318 +    atomInfo->atomTypeName = "H";
319 +    atomInfo->pos[0] = pos[0] + newVec[0];
320 +    atomInfo->pos[1] = pos[1] + newVec[1];
321 +    atomInfo->pos[2] = pos[2] + newVec[2];
322 +    atomInfo->dipole[0] = 0.0;
323 +    atomInfo->dipole[1] = 0.0;
324 +    atomInfo->dipole[2] = 0.0;
325 +    atomData->addAtomInfo(atomInfo);
326 +
327 +    // add atom data into atom's property
328 +
329 +    if (!haveAtomData) {
330 +      atomData->setID("ATOMDATA");
331 +      datom->addProperty(atomData);
332 +    }
333 +
334 +    setVisited(datom);
335 +  }
336 +
337 +  const std::string TREDAtomVisitor::toString() {
338 +    char   buffer[65535];
339 +    std::string result;
340 +
341 +    sprintf(buffer,
342 +            "------------------------------------------------------------------\n");
343 +    result += buffer;
344 +
345 +    sprintf(buffer, "Visitor name: %s\n", visitorName.c_str());
346 +    result += buffer;
347 +
348 +    sprintf(buffer,
349 +            "Visitor Description: Convert the TRED atom into 4 different atoms\n");
350 +    result += buffer;
351 +
352 +    sprintf(buffer,
353 +            "------------------------------------------------------------------\n");
354 +    result += buffer;
355 +
356 +    return result;
357 +  }
358 +
359 +
360    bool LinearAtomVisitor::isLinearAtom(const std::string& atomType){
361      std::set<std::string>::iterator strIter;
362      strIter = linearAtomType.find(atomType);
# Line 242 | Line 385 | namespace oopse {
385      GenericData* data;
386      bool haveAtomData;
387      AtomType* atomType;
388 <    //if atom is not SSD atom, just skip it
388 >    //if atom is not linear atom, just skip it
389      if(!isLinearAtom(datom->getType()) || !datom->getAtomType()->isGayBerne())
390        return;
391  

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines