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namespace oopse { |
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GofR::GofR(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, double len) |
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: RadialDistrFunc(info, filename, sele1, sele2, len){ |
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GofR::GofR(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2) |
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: RadialDistrFunc(info, filename, sele1, sele2){ |
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histogram_.resize(nbins_); |
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avgGofr_.resize(nbins_); |
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deltaR_ = len_ /nRBins_; |
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histogram_.resize(nRBins_); |
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avgGofr_.resize(nRBins_); |
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setOutputName(getPrefix(filename) + ".gr"); |
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} |
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void GofR::preProcess() { |
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avgGofr_.resize(nbins_); |
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std::fill(avgGofr_.begin(), avgGofr_.end(), 0.0); |
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} |
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double volume = info_->getSnapshotManager()->getCurrentSnapshot()->getVolume(); |
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double pairDensity = npairs_ /volume; |
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double pairConstant = ( 4.0 * PI * pairDensity ) / 3.0; |
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double pairConstant = ( 4.0 * NumericConstant::PI * pairDensity ) / 3.0; |
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for(int i = 0 ; i < histogram_.size(); ++i){ |
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double rLower = i * delta_; |
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double rUpper = rLower + delta_; |
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double rLower = i * deltaR_; |
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double rUpper = rLower + deltaR_; |
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double volSlice = ( rUpper * rUpper * rUpper ) - ( rLower * rLower * rLower ); |
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double nIdeal = volSlice * pairConstant; |
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double distance = r12.length(); |
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int whichBin = distance / delta_; |
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histogram_[whichBin] ++; |
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npairs_++; |
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int whichBin = distance / deltaR_; |
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++histogram_[whichBin]; |
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++npairs_; |
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} |
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rdfStream << "selection2: (" << selectionScript2_ << ")\n"; |
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rdfStream << "#r\tcorrValue\n"; |
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for (int i = 0; i < avgGofr_.size(); ++i) { |
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double r = delta_ * (i + 0.5); |
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double r = deltaR_ * (i + 0.5); |
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rdfStream << r << "\t" << avgGofr_[i]/nProcessed_ << "\n"; |
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} |
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