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/***************************************************************************
Cell.cpp
-------------------
begin : Wed Aug 8 2001
copyright : (C) 2001 TIMC (Emmanuel Promayon, Matthieu Chabanas)
email : Emmanuel.Promayon@imag.fr
Date : $Date: 2006/10/17 14:33:21 $
Version : $Revision: 1.9 $
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "CellProperties.h"
#include "Cell.h"
#include "PhysicalModel.h"
#include <math.h>
//----------------------- Constructors -----------------------
Cell::Cell(PhysicalModel *p, const StructureProperties::GeometricType t)
: StructuralComponent(p) {
this->Structure::properties = new CellProperties(p,t);
}
Cell::Cell(PhysicalModel *p, const StructureProperties::GeometricType t, xmlNodePtr node)
: StructuralComponent(p, node) {
for (xmlNodePtr child = node->xmlChildrenNode; child != NULL; child = child->next){
//find properties node
if (!xmlStrcmp(child->name,(const xmlChar*)"cellProperties"))
this->Structure::properties = new CellProperties(p,t, child);
//find nrOfStructures node
if (!xmlStrcmp(child->name,(const xmlChar*)"nrOfStructures")) {
xmlChar * prop = xmlGetProp(child, (xmlChar*)("value"));
unsigned int val = atoi((char*)prop);
this->plannedNumberOfStructures(val);
}
}
}
Cell::Cell(PhysicalModel *p, const StructureProperties::GeometricType t, const unsigned int ind)
: StructuralComponent(p) {
this->Structure::properties = new CellProperties(p, t, ind);
}
//----------------------- Destructor -----------------------
Cell::~Cell() {
// delete the structural component properties
deleteProperties();
// if (Structure::properties)
delete (CellProperties*) Structure::properties;
if (StructuralComponent::atomList)
delete StructuralComponent::atomList;
StructuralComponent::atomList = NULL;
// delete all children
deleteAllStructures();
// tell all parents that I am going away to the paradise of pointers
removeFromParents();
}
//----------------------- setIndex -----------------------
bool Cell::setIndex(const unsigned int index) {
// set the property
Structure::setIndex(index);
// tell the physical model about the change (and return true if insertion was ok)
return getPhysicalModel()->addGlobalIndexCellPair(std::GlobalIndexStructurePair(index,this));
}
// --------------- makePrintData ---------------
bool Cell::makePrintData(const StructuralComponent * sc) {
// if the sc (=the object that is calling this method) is the first in the
// mySC list to be a exclusive component, it means the cell has not been written yet. If it is not
// the first exclusive component in the mySC list, the cell could simply writes its cell ref
bool isExclusive = false;
// search the first exclusive
unsigned int i=0;
while (!isExclusive && i<getNumberOfStructuralComponents()) {
isExclusive = getStructuralComponent(i)->isExclusive();
if (!isExclusive)
i++;
}
// post condition here:
// - either isExclusive && i is the index of the first exclusive
// - or !isExclusive && there are no exclusive sc containing this cell
// print the cell data (and not the cellRef) only if :
// - the first exclusive component is sc
// - there are no exclusive components for this cell and sc is the first SC
if (isExclusive)
return (sc==getStructuralComponent(i));
else
return (sc==getStructuralComponent(0));
}
// --------------- xmlPrint ---------------
void Cell::xmlPrint(std::ostream &o, const StructuralComponent *sc) {
// do what's our duty
if (makePrintData(sc)) {
// print out all the information...
o << "<cell>" << std::endl;
// ...the properties...
((CellProperties *)Structure::properties)->xmlPrint(o);
// ... and the color (if it is not the default one) ...
if (((StructuralComponentProperties *)StructuralComponent::properties)->getColor() != StructuralComponentProperties::DEFAULT) {
o << "<color r=\"" << ((StructuralComponentProperties *)StructuralComponent::properties)->getRed();
o << "\" g=\"" << ((StructuralComponentProperties *)StructuralComponent::properties)->getGreen();
o << "\" b=\"" << ((StructuralComponentProperties *)StructuralComponent::properties)->getBlue();
o << "\" a=\"" << ((StructuralComponentProperties *)StructuralComponent::properties)->getAlpha() << "\" />" << std::endl;
}
// optimize the memory allocation for reading
o << "<nrOfStructures value=\"" << structures.size() << "\"/>" << std::endl;
// ... and finally the ref to the atoms
for (unsigned int i=0; i<structures.size(); i++) {
o << "<atomRef index=\"" << structures[i]->getIndex() << "\" />" << std::endl;
}
o << "</cell>" << std::endl;
} else {
// print only out the cellRef
o << "<cellRef index=\"" << getIndex() << "\" />" << std::endl;
}
}
// ------------------ deleteAllStructures ---------------------
void Cell::deleteAllStructures() {
// here the list elements (i.e. atoms) are NOT deleted
// but the list is cleared
structures.clear();
}
// ------------------ getProperties ---------------------
CellProperties * Cell::getProperties() {
return ((CellProperties *)Structure::properties);
}
// ------------------ getFacets ---------------------
StructuralComponent * Cell::getFacets() {
StructuralComponent * facets = new StructuralComponent(getPhysicalModel());
Cell * face;
switch (getProperties()->getType())
{
case StructureProperties::HEXAHEDRON :
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(0)); face->addStructure(getStructure(3));
face->addStructure(getStructure(2)); face->addStructure(getStructure(1));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(0)); face->addStructure(getStructure(4));
face->addStructure(getStructure(7)); face->addStructure(getStructure(3));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(0)); face->addStructure(getStructure(1));
face->addStructure(getStructure(5)); face->addStructure(getStructure(4));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(3)); face->addStructure(getStructure(7));
face->addStructure(getStructure(6)); face->addStructure(getStructure(2));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(1)); face->addStructure(getStructure(2));
face->addStructure(getStructure(6)); face->addStructure(getStructure(5));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(4)); face->addStructure(getStructure(5));
face->addStructure(getStructure(6)); face->addStructure(getStructure(7));
facets->addStructure(face);
return facets;
case StructureProperties::TETRAHEDRON :
face = new Cell(getPhysicalModel(), StructureProperties::TRIANGLE);
face->addStructure(getStructure(0)); face->addStructure(getStructure(1));
face->addStructure(getStructure(2));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::TRIANGLE);
face->addStructure(getStructure(0)); face->addStructure(getStructure(2));
face->addStructure(getStructure(3));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::TRIANGLE);
face->addStructure(getStructure(0)); face->addStructure(getStructure(3));
face->addStructure(getStructure(1));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::TRIANGLE);
face->addStructure(getStructure(2)); face->addStructure(getStructure(1));
face->addStructure(getStructure(3));
facets->addStructure(face);
return facets;
case StructureProperties::WEDGE :
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(2)); face->addStructure(getStructure(5));
face->addStructure(getStructure(4)); face->addStructure(getStructure(1));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(0)); face->addStructure(getStructure(1));
face->addStructure(getStructure(4)); face->addStructure(getStructure(3));
facets->addStructure(face);
face = new Cell(getPhysicalModel(), StructureProperties::QUAD);
face->addStructure(getStructure(2)); face->addStructure(getStructure(0));
face->addStructure(getStructure(3)); face->addStructure(getStructure(5));
facets->addStructure(face);
return facets;
case StructureProperties::QUAD :
case StructureProperties::TRIANGLE :
facets->addStructure(this);
return facets;
default :
return NULL;
}
}
// ------------------ normal ---------------------
SReal * Cell::normal()
{
if (getProperties()->getType()== StructureProperties::QUAD || getProperties()->getType()== StructureProperties::TRIANGLE)
{
SReal * N = new SReal[3];
SReal v1[3], v2[3];
SReal posi[3], posip1[3];
((Atom*)getStructure(0))->getPosition(posip1);
((Atom*)getStructure(2))->getPosition(posi);
v1[0] = posi[0]-posip1[0]; v1[1] = posi[1]-posip1[1]; v1[2] = posi[2]-posip1[2];
((Atom*)getStructure(1))->getPosition(posi);
v2[0] = posi[0]-posip1[0]; v2[1] = posi[1]-posip1[1]; v2[2] = posi[2]-posip1[2];
N[0] = v1[1]*v2[2] - v1[2]*v2[1];
N[1] = v1[2]*v2[0] - v1[0]*v2[2];
N[2] = v1[0]*v2[1] - v1[1]*v2[0];
SReal norm = sqrt(N[0]*N[0] + N[1]*N[1] + N[2]*N[2]);
N[0] /= norm;
N[1] /= norm;
N[2] /= norm;
return N;
}
return NULL;
}
// ------------------ surface ---------------------
SReal Cell::surface()
{
if (getProperties()->getType()== StructureProperties::QUAD || getProperties()->getType()== StructureProperties::TRIANGLE)
{
SReal A[3]={0.0, 0.0, 0.0 };
unsigned int nbElem;
nbElem = Cell::getNumberOfStructures();
SReal posi[3], posip1[3];
((Atom*)getStructure(0))->getPosition(posip1);
for (unsigned int i=0;i<nbElem;i++) {
posi[0]=posip1[0]; posi[1]=posip1[1]; posi[2]=posip1[2];
((Atom*)getStructure((i+1)%nbElem))->getPosition(posip1);
//Cross(posi, posip1, inter);
A[0] += posi[1]*posip1[2] - posi[2]*posip1[1];
A[1] += posi[2]*posip1[0] - posi[0]*posip1[2];
A[2] += posi[0]*posip1[1] - posi[1]*posip1[0];
}
// here A is in fact twice the theoritical area vector
A[0] /= 2.0; A[1] /= 2.0; A[2] /= 2.0;
// face normal :
SReal * N = normal();
SReal surface = N[0]*A[0] + N[1]*A[1] + N[2]*A[2];
return surface>0?surface:-surface;
}
else {
StructuralComponent * facets = getFacets();
if (!facets)
return 0.0;
SReal surface=0.0;
for (unsigned int i=0 ; i<facets->getNumberOfCells() ; i++) {
surface += facets->getCell(i)->surface();
}
return surface;
}
}
// ------------------ volume ---------------------
SReal Cell::volume()
{
StructuralComponent * facets = getFacets();
if (!facets || getProperties()->getType()== StructureProperties::QUAD || getProperties()->getType()== StructureProperties::TRIANGLE)
return 0.0;
SReal vol=0.0;
Cell * face;
for (unsigned int i=0;i < facets->getNumberOfCells();i++) {
face = facets->getCell(i);
SReal pos[3];
((Atom*)face->getStructure(0))->getPosition(pos);
SReal * N = face->normal();
vol += face->surface()* ( pos[0]*N[0] + pos[1]*N[1] + pos[2]*N[2] );
}
vol /= 3.0;
return vol>0?vol:-vol;
}
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