127 lines
3.4 KiB
C++
127 lines
3.4 KiB
C++
// Header file for two-phase averaging class
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#ifndef Minkowski_INC
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#define Minkowski_INC
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#include <memory>
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#include <vector>
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#include "analysis/dcel.h"
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#include "common/Domain.h"
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#include "common/Communication.h"
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#include "analysis/analysis.h"
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#include "analysis/distance.h"
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#include "analysis/filters.h"
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#include "common/Utilities.h"
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#include "common/MPI.h"
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#include "IO/MeshDatabase.h"
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#include "IO/Reader.h"
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#include "IO/Writer.h"
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/**
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* \class Minkowski
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*
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* @brief
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* The Minkowski class is constructed to analyze the geometric properties of structures based on the Minkowski functionals
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*
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*/
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class Minkowski{
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//...........................................................................
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int kstart,kfinish;
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double isovalue;
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double Volume;
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// CSV / text file where time history of averages is saved
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FILE *LOGFILE;
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public:
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//...........................................................................
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std::shared_ptr <Domain> Dm;
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Array <char> id;
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Array <int> label;
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Array <double> distance;
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//...........................................................................
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// Averaging variables
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//...........................................................................
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// local averages (to each MPI process)
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double Ai,Ji,Xi,Vi;
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// Global averages (all processes)
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double Ai_global,Ji_global,Xi_global,Vi_global;
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int n_connected_components;
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//...........................................................................
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int Nx,Ny,Nz;
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double V(){
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return Vi;
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}
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double A(){
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return Ai;
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}
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double H(){
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return Ji;
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}
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double X(){
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return Xi;
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}
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//..........................................................................
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/**
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* \brief Null constructor
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*/
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Minkowski(){};//NULL CONSTRUCTOR
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/**
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* \brief Constructor based on an existing Domain
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* @param Dm - Domain structure
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*/
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Minkowski(std::shared_ptr <Domain> Dm);
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~Minkowski();
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/**
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* \brief Compute scalar minkowski functionals
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* step 1. compute the distance to an object
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* step 2. construct dcel to represent the isosurface
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* step 3. compute the scalar Minkowski functionals
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* THIS ALGORITHM ASSUMES THAT id() is populated with phase id to distinguish objects
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* 0 - labels the object
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* 1 - labels everything else
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*/
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void MeasureObject();
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void MeasureObject(double factor, const DoubleArray &Phi);
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/**
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* \details Compute scalar minkowski functionals for connected part of a structure
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* step 1. compute connected components and extract largest region by volume
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* step 2. compute the distance to the connected part of the structure
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* step 3. construct dcel to represent the isosurface
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* step 4. compute the scalar Minkowski functionals
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* THIS ALGORITHM ASSUMES THAT id() is populated with phase id to distinguish objects
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* 0 - labels the object
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* 1 - labels everything else
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*/
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int MeasureConnectedPathway();
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int MeasureConnectedPathway(double factor, const DoubleArray &Phi);
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/**
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* \brief Compute scalar minkowski functionals
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* \details Construct an isosurface and return the geometric invariants based on the triangulated list
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* @param isovalue - threshold value to use to determine iso-surface
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* @param Field - DoubleArray containing the field to threshold
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*/
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void ComputeScalar(const DoubleArray& Field, const double isovalue);
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/**
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* \brief print the scalar invariants
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*/
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void PrintAll();
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};
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#endif
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