AMReX_PlotFileDataImpl.H

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#ifndef AMREX_PLOT_FILE_DATA_IMPL_H_
#define AMREX_PLOT_FILE_DATA_IMPL_H_
#include <AMReX_Config.H>
 
#include <AMReX_MultiFab.H>
#include <AMReX_VisMF.H>
#include <string>
 
namespace amrex {
 
class PlotFileDataImpl
{
public:
    PlotFileDataImpl (std::string const& plotfile_name);
 
    [[nodiscard]] int spaceDim () const noexcept { return m_spacedim; }
 
    [[nodiscard]] Real time () const noexcept { return m_time; }
 
    [[nodiscard]] int finestLevel () const noexcept { return m_finest_level; }
 
    [[nodiscard]] int refRatio (int level) const { return m_ref_ratio[level]; }
 
    [[nodiscard]] IntVect refRatioVect (int level) const {
        if (level >= 0 && level < m_finest_level) {
            auto flen = probDomain(level+1).length();
            auto clen = probDomain(level  ).length();
            auto ratio = flen / clen;
            AMREX_ASSERT(ratio*clen == flen);
            return ratio;
        } else {
            return IntVect(0);
        }
    }
 
    [[nodiscard]] int levelStep (int level) const { return m_level_steps[level]; }
 
    [[nodiscard]] const BoxArray& boxArray (int level) const { return m_ba[level]; }
 
    [[nodiscard]] const DistributionMapping& DistributionMap (int level) const { return m_dmap[level]; }
 
    void syncDistributionMap (PlotFileDataImpl const& src);
 
    void syncDistributionMap (int level, PlotFileDataImpl const& src);
 
    [[nodiscard]] int coordSys () const noexcept { return m_coordsys; }
 
    [[nodiscard]] Box probDomain (int level) const { return m_prob_domain[level]; }
 
    [[nodiscard]] Array<Real,AMREX_SPACEDIM> probSize () const noexcept { return m_prob_size; }
    [[nodiscard]] Array<Real,AMREX_SPACEDIM> probLo () const noexcept { return m_prob_lo; }
    [[nodiscard]] Array<Real,AMREX_SPACEDIM> probHi () const noexcept { return m_prob_hi; }
    [[nodiscard]] Array<Real,AMREX_SPACEDIM> cellSize (int level) const { return m_cell_size[level]; }
 
    [[nodiscard]] const Vector<std::string>& varNames () const noexcept { return m_var_names; }
 
    [[nodiscard]] int nComp () const noexcept { return m_ncomp; }
    [[nodiscard]] IntVect nGrowVect (int level) const { return m_ngrow[level]; }
 
    MultiFab get (int level);
    MultiFab get (int level, std::string const& varname);
 
private:
    std::string m_plotfile_name;
    std::string m_file_version;
    int m_ncomp;
    Vector<std::string> m_var_names;
    int m_spacedim;
    Real m_time;
    int m_finest_level, m_nlevels;
    Array<Real,AMREX_SPACEDIM> m_prob_lo {{AMREX_D_DECL(0.,0.,0.)}};
    Array<Real,AMREX_SPACEDIM> m_prob_hi {{AMREX_D_DECL(1.,1.,1.)}};
    Array<Real,AMREX_SPACEDIM> m_prob_size {{AMREX_D_DECL(1.,1.,1.)}};
    Vector<int> m_ref_ratio;
    Vector<Box> m_prob_domain;
    Vector<int> m_level_steps;
    Vector<Array<Real,AMREX_SPACEDIM> > m_cell_size;
    int m_coordsys;
    Vector<std::string> m_mf_name;
    Vector<std::unique_ptr<VisMF> > m_vismf;
    Vector<BoxArray> m_ba;
    Vector<DistributionMapping> m_dmap;
    Vector<IntVect> m_ngrow;
};
 
}
 
#endif