vtkbaseexportmodule.h

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/*
 *
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 *            ##   ##  ##   ##  ##      ##      ##     ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#ifndef vtkbaseexportmodule_h
#define vtkbaseexportmodule_h
 
#include "exportmodule.h"
#include "exportregion.h"
#include "intarray.h"
#include "internalstatevaluetype.h"
#include "internalstatetype.h"
#include "unknowntype.h"
#include "integrationrule.h"
#include "element.h"
#include "nodalrecoverymodel.h"
#include <iostream>
#include <fstream>
#include <iomanip>
 
#ifdef _WIN32
 #define NULL_DEVICE "NUL:"
#else
 #define NULL_DEVICE "/dev/null"
#endif
 
 
#include <string>
#include <list>
 
using namespace std;
namespace oofem {
 
class VTKBaseExportModule;
  

class OOFEM_EXPORT VTKBaseExportModule : public ExportModule
{
protected:
    static IntArray redToFull;
 
public:
    VTKBaseExportModule(int n, EngngModel *e);
    virtual ~VTKBaseExportModule();
 
    void initialize() override;
    void terminate() override;
    const char *giveClassName() const override { return "VTKBaseExportModule"; }
    static void computeIPAverage(FloatArray &answer, IntegrationRule *iRule, Element *elem,  InternalStateType isType, TimeStep *tStep);
    int giveCellType(Element *element);
    int giveCellType(int num) ;
    
protected:
 
    virtual void setupVTKPiece(ExportRegion &vtkPiece, TimeStep *tStep, Set& region);
       
    virtual void exportPrimaryVars(ExportRegion &piece, Set& region, IntArray& primaryVarsToExport, NodalRecoveryModel& smoother, TimeStep *tStep);
    virtual void exportIntVars(ExportRegion &piece, Set& region, IntArray& internalVarsToExport, NodalRecoveryModel& smoother, TimeStep *tStep);
    void exportExternalForces(ExportRegion &piece, int region, TimeStep *tStep);
    
    //void exportXFEMVarAs(XFEMStateType xfemstype, int regionDofMans, int ireg, TimeStep *tStep, EnrichmentItem *ei);
    void exportCellVars(ExportRegion &piece, Set& region, IntArray &cellVarsToExport, TimeStep *tStep);
    void exportExternalForces(ExportRegion &piece, Set& region, IntArray& externalForcesToExport, TimeStep *tStep);
    /*
    * Export set membership 
    */
    void exportSetMembership(ExportRegion &piece, Set& region, TimeStep *tStep);
 
    //  Tries to find the value of a primary field on the given DofManager.
    //  Some elements have different interpolation of some fields, and requires some additional code to compute node values (if available).
    void getNodalVariableFromPrimaryField(FloatArray &answer, DofManager *dman, TimeStep *tStep, UnknownType type, Set& region, NodalRecoveryModel& smoother);
    //
    //  Exports single internal variable by smoothing.
    //
    void getNodalVariableFromIS(FloatArray &answer, Node *node, TimeStep *tStep, InternalStateType type, Set& region, NodalRecoveryModel& smoother);
    // void getNodalVariableFromXFEMST(FloatArray &answer, Node *node, TimeStep *tStep, XFEMStateType xfemstype,Set& region, EnrichmentItem *ei);
    //
    //  Exports a single cell variable (typically an internal variable).
    //
    void getCellVariableFromIS(FloatArray &answer, Element *el, InternalStateType type, TimeStep *tStep);
 

    static void makeFullTensorForm(FloatArray &answer, const FloatArray &reducedForm, InternalStateValueType vtype);
    int giveNumberOfNodesPerCell(int cellType);
    void giveElementCell(IntArray &answer, Element *elem);
    virtual int initRegionNodeNumbering(ExportRegion& vtkPiece,
                                        Domain *domain, TimeStep *tStep, Set& region); 
 
    // Export of composite elements (built up from several subcells)
    bool isElementComposite(Element *elem); 
    void exportCompositeElement(ExportRegion &vtkPiece, Element *el, TimeStep *tStep);
    void exportCompositeElement(std::vector< ExportRegion > &vtkPieces, Element *el, TimeStep *tStep);
};
 
} // end namespace oofem
#endif // vtkbaseexportmodule_h