BondAngleDistribution.hpp

/*
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 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
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 * 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, 234107 (2008).
 * [4] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
 * [5] Kuang & Gezelter, Mol. Phys., 110, 691-701 (2012).
 * [6] Lamichhane, Gezelter & Newman, J. Chem. Phys. 141, 134109 (2014).
 * [7] Lamichhane, Newman & Gezelter, J. Chem. Phys. 141, 134110 (2014).
 * [8] Bhattarai, Newman & Gezelter, Phys. Rev. B 99, 094106 (2019).
 */
 
#ifndef APPLICATIONS_STATICPROPS_BONDANGLEDISTRIBUTION_HPP
#define APPLICATIONS_STATICPROPS_BONDANGLEDISTRIBUTION_HPP
 
#include "applications/staticProps/StaticAnalyser.hpp"
#include "selection/SelectionEvaluator.hpp"
#include "selection/SelectionManager.hpp"
 
namespace OpenMD {
 
  /**
   * @class BondAngleDistribution
   * @brief BondAngleDistribution
   *
   *  Comptes bond angle distribution for nearest neighbors.
   *BondAngleDistribution
   */
  class BondAngleDistribution : public StaticAnalyser {
  public:
    BondAngleDistribution(SimInfo* info, const std::string& filename,
                          const std::string& sele, double rCut, int nbins);
 
    virtual void process();
 
  private:
    virtual void initializeHistogram();
 
    void writeBondAngleDistribution();
 
    Snapshot* currentSnapshot_;
    std::string selectionScript_;
    SelectionManager seleMan_;
    SelectionEvaluator evaluator_;
 
    RealType rCut_;
    int frameCounter_;
    int nBins_;
 
    RealType deltaTheta_;
    std::vector<int> ThetaCount_;
    std::vector<int> histogram_;
    int nTotBonds_;
  };
}  // namespace OpenMD
 
#endif