DGtal::ContourHelper Class Reference

#include <ContourHelper.h>

Public Member Functions
	~ContourHelper ()
void	selfDisplay (std::ostream &out) const
bool	isValid () const

Static Public Member Functions
static Z2i::Point	getMeanPoint (vector< Z2i::Point > contour)

Protected Member Functions
	ContourHelper ()

Private Member Functions
	ContourHelper (const ContourHelper &other)
ContourHelper &	operator= (const ContourHelper &other)

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Detailed Description

Aim: a helper class to process sequences of points.

Description of class 'ContourHelper'

Todo:

Improve class.

Definition at line 59 of file ContourHelper.h.

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Constructor & Destructor Documentation

DGtal::ContourHelper::~ContourHelper

(

)

Destructor.

DGtal::ContourHelper::ContourHelper ( )

protected

Constructor. Forbidden by default (protected to avoid g++ warnings).

DGtal::ContourHelper::ContourHelper ( const ContourHelper &  other )

private

Copy constructor.

Parameters:

other

the object to clone. Forbidden by default.

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Member Function Documentation

Z2i::Point ContourHelper::getMeanPoint ( vector< Z2i::Point >  contour )

inlinestatic

Compute the barycenter of the 2D contour.

Parameters:

contour,:

the vector containing the 2D contour coordinates

Definition at line 46 of file ContourHelper.ih.

References DGtal::PointVector< dim, TEuclideanRing >::at(), and DGtal::PointVector< dim, TEuclideanRing >::size().

                                                   {
  Z2i::Point ptMean;
  for(unsigned int i =0; i<contour.size(); i++){
    ptMean[0]+=contour.at(i)[0];
    ptMean[1]+=contour.at(i)[1];
  }
  ptMean[0] /= (int)contour.size();
  ptMean[1] /= (int)contour.size();
  return ptMean; 
}

bool DGtal::ContourHelper::isValid

(

)

const

Checks the validity/consistency of the object.

Returns:

'true' if the object is valid, 'false' otherwise.

ContourHelper& DGtal::ContourHelper::operator= ( const ContourHelper &  other )

private

Assignment.

Parameters:

other

the object to copy.

Returns:

a reference on 'this'. Forbidden by default.

void DGtal::ContourHelper::selfDisplay

(

std::ostream &

out

)

const

Writes/Displays the object on an output stream.

Parameters:

out	the output stream where the object is written.

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

• ContourHelper.h
• ContourHelper.ih