DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction > Class Template Reference

#include <DGtal/geometry/curves/estimation/FunctorsLambdaMST.h>

Data Structures
struct	Value

Public Types
typedef PointVector< 3, double >	RealVector
typedef DSS	TDSS

Public Member Functions
Value	operator() (const TDSS &aDSS, const unsigned int indexOfPointInDSS, const unsigned int dssLen) const

Private Member Functions
	BOOST_CONCEPT_ASSERT ((concepts::CUnaryFunctor< LambdaFunction, double, double >))

Private Attributes
LambdaFunction	lambdaFunctor

Detailed Description

template<typename DSS, typename LambdaFunction>
class DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >

Description of class 'TangentFromDSS3DFunctor' – model of CLMSTTangentFromDSS. Aim: Provide a functor which calculate from digital straight segment its direction and eccentricity around a given point.

Template Parameters

DSS	digital straight segment recognition algorithm
LambdaFunction	model of CLambdaFunctor

See also

CLambdaFunctor.h

Definition at line 173 of file FunctorsLambdaMST.h.

Member Typedef Documentation

RealVector

template<typename DSS , typename LambdaFunction >

typedef PointVector<3, double> DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::RealVector

Definition at line 178 of file FunctorsLambdaMST.h.

TDSS

template<typename DSS , typename LambdaFunction >

typedef DSS DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::TDSS

Definition at line 179 of file FunctorsLambdaMST.h.

Member Function Documentation

BOOST_CONCEPT_ASSERT()

template<typename DSS , typename LambdaFunction >

DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::BOOST_CONCEPT_ASSERT ( (concepts::CUnaryFunctor< LambdaFunction, double, double >)  )

private

operator()()

template<typename DSS , typename LambdaFunction >

Value DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::operator() ( const TDSS &  aDSS, const unsigned int  indexOfPointInDSS, const unsigned int  dssLen  ) const

inline

Calculate a direction of the 2D DSS and an eccentricity of a given point in this DSS.

Parameters

aDSS	digital straight segment
indexOfPointInDSS	index of given point in aDSS
dssLen	length of aDSS

Definition at line 201 of file FunctorsLambdaMST.h.

  {
    Value result;
    typename DSS::Point3d directionZ3;
    RealVector direction;
    typename DSS::PointR3d intercept;
    typename DSS::PointR3d thikness;
    
    aDSS.getParameters ( directionZ3, intercept, thikness );
    direction[0] = directionZ3[0];
    direction[1] = directionZ3[1];
    direction[2] = directionZ3[2];
    
    result.second = lambdaFunctor ( (double)indexOfPointInDSS / (double)dssLen );
    
    double norm = direction.norm();
    if ( norm != 0. )
      direction /= norm;
    result.first = direction * result.second;
    return result;
  }

References DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::lambdaFunctor, and DGtal::PointVector< dim, TEuclideanRing, TContainer >::norm().

Field Documentation

lambdaFunctor

template<typename DSS , typename LambdaFunction >

LambdaFunction DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::lambdaFunctor

private

Definition at line 225 of file FunctorsLambdaMST.h.

Referenced by DGtal::TangentFromDSS3DFunctor< DSS, LambdaFunction >::operator()().

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

• FunctorsLambdaMST.h