CMonteCarloLocalization3D.h

Go to the documentation of this file.

/* +---------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)               |
   |                          http://www.mrpt.org/                             |
   |                                                                           |
   | Copyright (c) 2005-2017, 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 CMonteCarloLocalization3D_H
#define CMonteCarloLocalization3D_H

#include <mrpt/poses/CPose3DPDFParticles.h>
#include <mrpt/slam/PF_implementations_data.h>
#include <mrpt/slam/TMonteCarloLocalizationParams.h>
#include <mrpt/obs/obs_frwds.h>

#include <mrpt/slam/link_pragmas.h>

namespace mrpt
{
        namespace slam
        {
                /** Declares a class that represents a Probability Density Function (PDF) over a 3D pose (x,y,phi,yaw,pitch,roll), using a set of weighted samples.
                 *
                 *  This class also implements particle filtering for robot localization. See the MRPT
                 *   application "app/pf-localization" for an example of usage.
                 *
                 * \sa CMonteCarloLocalization2D, CPose2D, CPosePDF, CPoseGaussianPDF, CParticleFilterCapable
                 * \ingroup mrpt_slam_grp
                 */
                class SLAM_IMPEXP CMonteCarloLocalization3D :
                        public mrpt::poses::CPose3DPDFParticles,
                        public PF_implementation<mrpt::poses::CPose3D,CMonteCarloLocalization3D>
                {
                public:
                        TMonteCarloLocalizationParams   options; //!< MCL parameters

                        /** Constructor
                          * \param M The number of m_particles.
                          */
                        CMonteCarloLocalization3D( size_t M = 1 );

                        /** Destructor */
                        virtual ~CMonteCarloLocalization3D();

                         /** Update the m_particles, predicting the posterior of robot pose and map after a movement command.
                          *  This method has additional configuration parameters in "options".
                          *  Performs the update stage of the RBPF, using the sensed CSensoryFrame:
                          *
                          *   \param action This is a pointer to CActionCollection, containing the pose change the robot has been commanded.
                          *   \param observation This must be a pointer to a CSensoryFrame object, with robot sensed observations.
                          *
                          * \sa options
                          */
                        void  prediction_and_update_pfStandardProposal(
                                const mrpt::obs::CActionCollection      * action,
                                const mrpt::obs::CSensoryFrame          * observation,
                                const bayes::CParticleFilter::TParticleFilterOptions &PF_options );

                         /** Update the m_particles, predicting the posterior of robot pose and map after a movement command.
                          *  This method has additional configuration parameters in "options".
                          *  Performs the update stage of the RBPF, using the sensed CSensoryFrame:
                          *
                          *   \param Action This is a pointer to CActionCollection, containing the pose change the robot has been commanded.
                          *   \param observation This must be a pointer to a CSensoryFrame object, with robot sensed observations.
                          *
                          * \sa options
                          */
                        void  prediction_and_update_pfAuxiliaryPFStandard(
                                const mrpt::obs::CActionCollection      * action,
                                const mrpt::obs::CSensoryFrame          * observation,
                                const bayes::CParticleFilter::TParticleFilterOptions &PF_options );

                         /** Update the m_particles, predicting the posterior of robot pose and map after a movement command.
                          *  This method has additional configuration parameters in "options".
                          *  Performs the update stage of the RBPF, using the sensed CSensoryFrame:
                          *
                          *   \param Action This is a pointer to CActionCollection, containing the pose change the robot has been commanded.
                          *   \param observation This must be a pointer to a CSensoryFrame object, with robot sensed observations.
                          *
                          * \sa options
                          */
                        void  prediction_and_update_pfAuxiliaryPFOptimal(
                                const mrpt::obs::CActionCollection      * action,
                                const mrpt::obs::CSensoryFrame          * observation,
                                const bayes::CParticleFilter::TParticleFilterOptions &PF_options );

                        /** \name Virtual methods that the PF_implementations assume exist.
                            @{ */
                        mrpt::math::TPose3D getLastPose(const size_t i, bool &pose_is_valid) const MRPT_OVERRIDE; // see docs in base

                        void PF_SLAM_implementation_custom_update_particle_with_new_pose(
                                CParticleDataContent *particleData,
                                const mrpt::math::TPose3D &newPose) const;

                        // We'll redefine this one:
                        void PF_SLAM_implementation_replaceByNewParticleSet(
                                CParticleList   &old_particles,
                                const std::vector<mrpt::math::TPose3D>  &newParticles,
                                const std::vector<double>               &newParticlesWeight,
                                const std::vector<size_t>       &newParticlesDerivedFromIdx )  const;

                        /** Evaluate the observation likelihood for one particle at a given location */
                        double PF_SLAM_computeObservationLikelihoodForParticle(
                                const mrpt::bayes::CParticleFilter::TParticleFilterOptions      &PF_options,
                                const size_t                    particleIndexForMap,
                                const mrpt::obs::CSensoryFrame          &observation,
                                const mrpt::poses::CPose3D                      &x ) const;
                        /** @} */


                }; // End of class def.

        } // End of namespace
} // End of namespace

#endif