DGtal::detail::TangentVectorFromDCA Struct Reference

#include <SegmentComputerEstimators.h>

Public Types
typedef PointVector< 2, double >	Value

Public Member Functions
template<typename DCA >
Value	operator() (const typename DCA::ConstIterator &it, const DCA &aDCA) const

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Detailed Description

Description of class 'TangentVectorFromDCA'

Aim: estimates the tangent at a given position from a geometricDCA.

Definition at line 898 of file SegmentComputerEstimators.h.

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Member Typedef Documentation

typedef PointVector<2,double> DGtal::detail::TangentVectorFromDCA::Value

Definition at line 901 of file SegmentComputerEstimators.h.

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Member Function Documentation

template<typename DCA >

Value DGtal::detail::TangentVectorFromDCA::operator() ( const typename DCA::ConstIterator &  it, const DCA &  aDCA  ) const

inline

Operator()

Returns:

tangent at it

Parameters:

it	position where the estimation has to be done
aDCA	an instance of segment computer devoted to the DCA recognition.

Template Parameters:

DCA	a model of segment computer devoted to the DCA recognition, basically geometricDCA.

See also:

NormalVectorFromDCA

Definition at line 919 of file SegmentComputerEstimators.h.

      {
        NormalVectorFromDCA f; 
        Value normal = f(it, aDCA); 
        return Value( normal[1], normal[0] ); 
      }

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The documentation for this struct was generated from the following file:

• SegmentComputerEstimators.h