CDetectableObject.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */

#ifndef CDetectableObject_H
#define CDetectableObject_H

#include <mrpt/serialization/CSerializable.h>
#include <mrpt/obs/CObservation.h>
#include <cmath>

namespace mrpt::detectors
{
/** Base class that contains common atributes and functions of detectable
 * objects.
  * It was initially thought for detected objects in images from cams, but it's
 * easily
  * expandable to other source types (f.i. scanners).
  * \ingroup mrpt_detectors_grp
  */
class CDetectableObject : public mrpt::serialization::CSerializable
{
    DEFINE_VIRTUAL_SERIALIZABLE(CDetectableObject)

   public:
    /** Must be an unique id for each detectable object */
    std::string m_id;

    /** Observation wich contain the deteted object */
    mrpt::obs::CObservation::Ptr obs;

    inline void setObservation(mrpt::obs::CObservation::Ptr newObs)
    {
        obs = newObs;
    };

};  // End of class

class CDetectable2D : public CDetectableObject
{
    DEFINE_SERIALIZABLE(CDetectable2D)

   public:
    /** 2D Coordinates of detected object */
    float m_x, m_y;
    /** Size of detected object */
    float m_height, m_width;

    /** Extra constructor */
    CDetectable2D(
        const int& x = 0, const int& y = 0, const int& height = 0,
        const int& width = 0)
        : m_x(x), m_y(y), m_height(height), m_width(width){};

    /** Copy pointer content constructor */
    CDetectable2D(const CDetectable2D* d) { *this = *d; };
    /** Compute distance between centers of two detectable 2D objects.
      * \return calculated distance.
      */
    inline double distanceTo(const CDetectable2D& d2)
    {
        // Calculate objects centers
        double c_x1 = (m_x + m_width / 2);
        double c_x2 = (d2.m_x + d2.m_width / 2);
        double c_y1 = (m_y + m_height / 2);
        double c_y2 = (d2.m_y + d2.m_height / 2);

        return std::sqrt(std::pow(c_x1 - c_x2, 2) + pow(c_y1 - c_y2, 2));
    };
};

class CDetectable3D : public CDetectable2D
{
    DEFINE_SERIALIZABLE(CDetectable3D)

   public:
    CDetectable3D(){};

    CDetectable3D(const CDetectable2D::Ptr& object2d);

    /** Copy pointer content constructor */
    CDetectable3D(const CDetectable3D* d) { *this = *d; };
    /** Z coordinate of detected object */
    float m_z;

};  // End of class
}
#endif