--- trunk/src/applications/staticProps/GofXyz.cpp 2005/02/10 22:37:21 311 +++ trunk/src/applications/staticProps/GofXyz.cpp 2005/03/28 15:54:04 448 @@ -43,108 +43,137 @@ #include #include "applications/staticProps/GofXyz.hpp" #include "utils/simError.h" - +#include "primitives/Molecule.hpp" namespace oopse { -GofXyz::GofXyz(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2) - : RadialDistrFunc(info, filename, sele1, sele2){ +GofXyz::GofXyz(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, const std::string& sele3, double len, int nrbins) + : RadialDistrFunc(info, filename, sele1, sele2), evaluator3_(info), seleMan3_(info), len_(len), halfLen_(len/2), nRBins_(nrbins) { setOutputName(getPrefix(filename) + ".gxyz"); + evaluator3_.loadScriptString(sele3); + if (!evaluator3_.isDynamic()) { + seleMan3_.setSelectionSet(evaluator3_.evaluate()); + } + + deltaR_ = len_ / nRBins_; + + histogram_.resize(nRBins_); + for (int i = 0 ; i < nRBins_; ++i) { + histogram_[i].resize(nRBins_); + for(int j = 0; j < nRBins_; ++j) { + histogram_[i][j].resize(nRBins_); + } + } + } void GofXyz::preProcess() { - /* - for (int i = 0; i < avgGofr_.size(); ++i) { - std::fill(avgGofr_[i].begin(), avgGofr_[i].end(), 0); - } - */ + for (int i = 0 ; i < nRBins_; ++i) { + histogram_[i].resize(nRBins_); + for(int j = 0; j < nRBins_; ++j) { + std::fill(histogram_[i][j].begin(), histogram_[i][j].end(), 0); + } + } } + void GofXyz::initalizeHistogram() { - /* - npairs_ = 0; - for (int i = 0; i < histogram_.size(); ++i) - std::fill(histogram_[i].begin(), histogram_[i].end(), 0); - */ -} + //calculate the center of mass of the molecule of selected stuntdouble in selection1 + if (!evaluator3_.isDynamic()) { + seleMan3_.setSelectionSet(evaluator3_.evaluate()); + } -void GofXyz::processHistogram() { + assert(seleMan1_.getSelectionCount() == seleMan3_.getSelectionCount()); + + //dipole direction of selection3 and position of selection3 will be used to determine the y-z plane + //v1 = s3 -s1, + //z = origin.dipole + //x = v1 X z + //y = z X x + rotMats_.clear(); - /* - double volume = info_->getSnapshotManager()->getCurrentSnapshot()->getVolume(); - double pairDensity = npairs_ /volume; - double pairConstant = ( 4.0 * NumericConstant::PI * pairDensity ) / 3.0; + int i; + int j; + StuntDouble* sd1; + StuntDouble* sd3; + + for (sd1 = seleMan1_.beginSelected(i), sd3 = seleMan3_.beginSelected(j); + sd1 != NULL, sd3 != NULL; + sd1 = seleMan1_.nextSelected(i), sd3 = seleMan3_.nextSelected(j)) { - for(int i = 0 ; i < histogram_.size(); ++i){ + Vector3d r3 =sd3->getPos(); + Vector3d r1 = sd1->getPos(); + Vector3d v1 = r3 - r1; + info_->getSnapshotManager()->getCurrentSnapshot()->wrapVector(v1); + Vector3d zaxis = sd1->getElectroFrame().getColumn(2); + Vector3d xaxis = cross(v1, zaxis); + Vector3d yaxis = cross(zaxis, xaxis); - double rLower = i * deltaR_; - double rUpper = rLower + deltaR_; - double volSlice = ( rUpper * rUpper * rUpper ) - ( rLower * rLower * rLower ); - double nIdeal = volSlice * pairConstant; + xaxis.normalize(); + yaxis.normalize(); + zaxis.normalize(); - for (int j = 0; j < histogram_[i].size(); ++j){ - avgGofr_[i][j] += histogram_[i][j] / nIdeal; - } + RotMat3x3d rotMat; + rotMat.setRow(0, xaxis); + rotMat.setRow(1, yaxis); + rotMat.setRow(2, zaxis); + + rotMats_.insert(std::map::value_type(sd1->getGlobalIndex(), rotMat)); } - */ + } void GofXyz::collectHistogram(StuntDouble* sd1, StuntDouble* sd2) { - /* - if (sd1 == sd2) { - return; - } - Vector3d pos1 = sd1->getPos(); Vector3d pos2 = sd2->getPos(); - Vector3d r12 = pos1 - pos2; + Vector3d r12 = pos2 - pos1; currentSnapshot_->wrapVector(r12); - double distance = r12.length(); - int whichRBin = distance / deltaR_; + std::map::iterator i = rotMats_.find(sd1->getGlobalIndex()); + assert(i != rotMats_.end()); + + Vector3d newR12 = i->second * r12; + // x, y and z's possible values range -halfLen_ to halfLen_ + int xbin = (newR12.x()+ halfLen_) / deltaR_; + int ybin = (newR12.y() + halfLen_) / deltaR_; + int zbin = (newR12.z() + halfLen_) / deltaR_; + if (xbin < nRBins_ && xbin >=0 && + ybin < nRBins_ && ybin >= 0 && + zbin < nRBins_ && zbin >=0 ) { + ++histogram_[xbin][ybin][zbin]; + } - double cosAngle = evaluateAngle(sd1, sd2); - double halfBin = (nAngleBins_ - 1) * 0.5; - int whichThetaBin = halfBin * (cosAngle + 1.0) - ++histogram_[whichRBin][whichThetaBin]; - - ++npairs_; - */ } void GofXyz::writeRdf() { - std::ofstream rdfStream(outputFilename_.c_str()); + std::ofstream rdfStream(outputFilename_.c_str(), std::ios::binary); if (rdfStream.is_open()) { - rdfStream << "#radial distribution function\n"; - rdfStream << "#selection1: (" << selectionScript1_ << ")\t"; - rdfStream << "selection2: (" << selectionScript2_ << ")\n"; - rdfStream << "#r\tcorrValue\n"; + //rdfStream << "#g(x, y, z)\n"; + //rdfStream << "#selection1: (" << selectionScript1_ << ")\t"; + //rdfStream << "selection2: (" << selectionScript2_ << ")\n"; + //rdfStream << "#nRBins = " << nRBins_ << "\t maxLen = " << len_ << "deltaR = " << deltaR_ <<"\n"; for (int i = 0; i < histogram_.size(); ++i) { - double x = deltaR_ * (i + 0.5); - + for(int j = 0; j < histogram_[i].size(); ++j) { - double y = deltaR_ * (j+ 0.5); - - for(int k = 0;k < histogram_[i].size(); ++k) { - double z = deltaR_ * (k + 0.5); - rdfStream << x << "\t" << y << "\t" << z << "\t" << histogram_[i][j][k]/nProcessed_ << "\n"; + + for(int k = 0;k < histogram_[i][j].size(); ++k) { + rdfStream.write(reinterpret_cast(&histogram_[i][j][k] ), sizeof(histogram_[i][j][k] )); } } } } else { - + sprintf(painCave.errMsg, "GofXyz: unable to open %s\n", outputFilename_.c_str()); + painCave.isFatal = 1; + simError(); } rdfStream.close(); } } - - -