ISS_SimplexQuery.h

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// -*- C++ -*-

#if !defined(__geom_ISS_SimplexQuery_h__)
#define __geom_ISS_SimplexQuery_h__

#if defined(DEBUG_geom) && !defined(DEBUG_ISS_SimplexQuery)
#define DEBUG_ISS_SimplexQuery
#endif

#include "../simplex/simplex_distance.h"

#include "../../tree/BBoxTree.h"

#include "../../../ads/array/Array.h"

BEGIN_NAMESPACE_GEOM


template<class ISS>
class ISS_SimplexQuery {
  //
  // Private types.
  //

private:

  typedef ISS IssType;

  typedef typename IssType::Simplex Simplex;

  //
  // Public types.
  //

public:

  typedef typename IssType::Number Number;
  typedef typename IssType::Vertex Vertex;
  typedef geom::BBox<ISS::N,Number> BBox;

  //
  // Member data.
  //

private:

  const IssType& _iss;
  BBoxTree<ISS::N,Number> _bboxTree;
  

  //
  // Not implemented.
  //

private:

  ISS_SimplexQuery();

  ISS_SimplexQuery(const ISS_SimplexQuery&);

  ISS_SimplexQuery& 
  operator=(const ISS_SimplexQuery&);

public:

  //--------------------------------------------------------------------------


  ISS_SimplexQuery(const IssType& iss) :
    _iss(iss),
    _bboxTree() {
    build();
  }

  void
  build();

  ~ISS_SimplexQuery()
  {}

  //--------------------------------------------------------------------------

  template<typename IntOutIter>
  void
  computePointQuery(IntOutIter iter, const Vertex& x) const;
  
  template<typename IntOutIter>
  void
  computeWindowQuery(IntOutIter iter, const BBox& window) const;


  int
  computeMinimumDistanceAndIndex(const Vertex& x, Number* minDistance) const;


  int
  computeMinimumDistanceIndex(const Vertex& x) const {
    Number minDistance;
    return computeMinimumDistanceAndIndex(x, &minDistance);
  }


  Number
  computeMinimumDistance(const Vertex& x) const;

};

END_NAMESPACE_GEOM

#define __geom_ISS_SimplexQuery_ipp__
#include "ISS_SimplexQuery.ipp"
#undef __geom_ISS_SimplexQuery_ipp__

#endif

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