function_data.h

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 *  Copyright (c) 2006, Michael Kazhdan and Matthew Bolitho,
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 * $Id: function_data.h 5531 2012-04-08 09:14:33Z aichim $
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#ifndef PCL_POISSON_FUNCTION_DATA_H_
#define PCL_POISSON_FUNCTION_DATA_H_


#include "ppolynomial.h"

namespace pcl 
{
  namespace poisson 
  {
   
    template<int Degree,class Real>
    class FunctionData
    {
      int useDotRatios;
      int normalize;

      public:
        const static int DOT_FLAG;
        const static int D_DOT_FLAG;
        const static int D2_DOT_FLAG;
        const static int VALUE_FLAG;
        const static int D_VALUE_FLAG;

        int depth, res, res2;
        Real *dotTable, *dDotTable, *d2DotTable;
        Real *valueTables, *dValueTables;
        PPolynomial<Degree> baseFunction;
        PPolynomial<Degree-1> dBaseFunction;
        PPolynomial<Degree+1>* baseFunctions;

        FunctionData (void);
        ~FunctionData (void);

        virtual void setDotTables (const int& flags);
        virtual void clearDotTables (const int& flags);

        virtual void setValueTables (const int& flags, const double& smooth = 0);
        virtual void setValueTables (const int& flags, const double& valueSmooth, const double& normalSmooth);
        virtual void clearValueTables (void);

        void set (const int& maxDepth, const PPolynomial<Degree>& F, const int& normalize, const int& useDotRatios = 1);

        Real dotProduct (const double& center1, const double& width1,
                         const double& center2, const double& width2) const;
        Real dDotProduct (const double& center1, const double& width1,
                          const double& center2, const double& width2) const;
        Real d2DotProduct (const double& center1, const double& width1,
                           const double& center2, const double& width2) const;

        static inline int SymmetricIndex (const int& i1, const int& i2);
        static inline int SymmetricIndex (const int& i1, const int& i2, int& index);
    };
  }
}

#include <pcl/surface/impl/poisson/function_data.hpp>
#endif /* PCL_POISSON_FUNCTION_DATA_H_ */