132 lines
4.3 KiB
C++
132 lines
4.3 KiB
C++
/*
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Copyright 2013--2018 James E. McClure, Virginia Polytechnic & State University
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Copyright Equnior ASA
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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// 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() { return Vi; }
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double A() { return Ai; }
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double H() { return Ji; }
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double X() { return Xi; }
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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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