Quadrotor

#include "BlobProperties.h"

/**

- FUNCI?: GetPerimeter

- FUNCIONALITAT: Get perimeter from chain code. Diagonals sum sqrt(2) and horizontal and vertical codes 1

- PAR?METRES:

        - 

- RESULTAT:

        - 

- RESTRICCIONS:

        - 

- AUTOR: rborras

- DATA DE CREACI?: 2008/04/30

- MODIFICACI?: Data. Autor. Descripci?.

- NOTA: Algorithm derived from "Methods to estimate area and perimeters of blob-like objects: A comparison", L.Yang

*/

#define SQRT2 1.414213562

/**

- FUNCI?: GetPerimeter

- FUNCIONALITAT: Get blob area, ie. external contour area minus internal contours area

- PAR?METRES:

        - 

- RESULTAT:

        - 

- RESTRICCIONS:

        - 

- AUTOR: rborras

- DATA DE CREACI?: 2008/04/30

- MODIFICACI?: Data. Autor. Descripci?.

*/

double CBlobProperties::GetArea()

{

        double area;

        t_contourList::iterator itContour; 

        area = m_externalContour.GetArea();

        itContour = m_internalContours.begin();

        while (itContour != m_internalContours.end() )

        {

                area += (*itContour).GetArea();

                itContour++;

        }

        return area;

}

/**

- FUNCI?: GetPerimeter

- FUNCIONALITAT: Get blob perimeter, ie. sum of the lenght of all the contours

- PAR?METRES:

        - 

- RESULTAT:

        - 

- RESTRICCIONS:

        - 

- AUTOR: rborras

- DATA DE CREACI?: 2008/04/30

- MODIFICACI?: Data. Autor. Descripci?.

*/

double CBlobProperties::GetPerimeter()

{

        double perimeter;

        t_contourList::iterator itContour; 

        perimeter = m_externalContour.GetPerimeter();

        itContour = m_internalContours.begin();

        while (itContour != m_internalContours.end() )

        {

                perimeter += (*itContour).GetPerimeter();

                itContour++;

        }

        return perimeter;

}