GeometryService.H

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#ifdef CH_LANG_CC
/*
*      _______              __
*     / ___/ /  ___  __ _  / /  ___
*    / /__/ _ \/ _ \/  V \/ _ \/ _ \
*    \___/_//_/\___/_/_/_/_.__/\___/
*    Please refer to Copyright.txt, in Chombo's root directory.
*/
#endif

//  ANAG, LBNL, DTG

#ifndef _GEOMETRYSERVICE_H_
#define _GEOMETRYSERVICE_H_

#include <cmath>
#include <cstdlib>

#include "REAL.H"
#include "LoHiSide.H"
#include "RealVect.H"
#include "Box.H"
#include "IntVect.H"

#include "EBISBox.H"
#include "VolIndex.H"
#include "FaceIndex.H"
#include "IrregNode.H"

#include "NamespaceHeader.H"


class GeometryService
{
public:

  enum InOut {Regular, Covered, Irregular};

  GeometryService();

  virtual ~GeometryService();


  virtual bool isRegular(const Box&           a_region,
                         const ProblemDomain& a_domain,
                         const RealVect&      a_origin,
                         const Real&          a_dx) const = 0;


  virtual bool isCovered(const Box&           a_region,
                         const ProblemDomain& a_domain,
                         const RealVect&      a_origin,
                         const Real&          a_dx) const = 0;

  virtual bool isIrregular(const Box&           a_region,
                           const ProblemDomain& a_domain,
                           const RealVect&      a_origin,
                           const Real&          a_dx) const ;

  virtual void fillGraph(BaseFab<int>&        a_regIrregCovered,
                         Vector<IrregNode>&   a_nodes,
                         const Box&           a_validRegion,
                         const Box&           a_ghostRegion,
                         const ProblemDomain& a_domain,
                         const RealVect&      a_origin,
                         const Real&          a_dx) const = 0;

  virtual bool canGenerateMultiCells() const;

  virtual InOut InsideOutside(const Box&           a_region,
                              const ProblemDomain& a_domain,
                              const RealVect&      a_origin,
                              const Real&          a_dx) const ;

  static bool intersection(const RealVect& a_lo1, const RealVect& a_hi1,
                           const RealVect& a_lo2, const RealVect& a_hi2);

  static bool intersection(const Box&           a_region,
                           const RealVect&      a_origin,
                           const Real&          a_dx,
                           const RealVect&      a_lower,
                           const RealVect&      a_upper);

protected:

};
#include "NamespaceFooter.H"
#endif

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