DGtal::detail::TangentVectorFromDCA Struct Reference

#include <DGtal/geometry/curves/estimation/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

Detailed Description

Description of class 'TangentVectorFromDCA'

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

Definition at line 890 of file SegmentComputerEstimators.h.

Member Typedef Documentation

Value

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

Definition at line 893 of file SegmentComputerEstimators.h.

Member Function Documentation

operator()()

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 911 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