MRPT  1.9.9
mrpt::nav::CPTG_DiffDrive_CC Class Reference

Detailed Description

A PTG for optimal paths of type "C|C" , as named in PTG papers.

  • Compatible kinematics: differential-driven / Ackermann steering
  • Compatible robot shape: Arbitrary 2D polygon
  • PTG parameters: Use the app ptg-configurator

    See also "Obstacle Distance for Car-Like Robots", IEEE Trans. Rob. And Autom, 1999.

    Note
    [Before MRPT 1.5.0 this was named CPTG4]

Definition at line 25 of file CPTG_DiffDrive_CC.h.

#include <mrpt/nav/tpspace/CPTG_DiffDrive_CC.h>

Inheritance diagram for mrpt::nav::CPTG_DiffDrive_CC:

Public Member Functions

 CPTG_DiffDrive_CC ()=default
 
 CPTG_DiffDrive_CC (const mrpt::config::CConfigFileBase &cfg, const std::string &sSection)
 
void loadFromConfigFile (const mrpt::config::CConfigFileBase &cfg, const std::string &sSection) override
 Parameters accepted by this base class: More...
 
void saveToConfigFile (mrpt::config::CConfigFileBase &cfg, const std::string &sSection) const override
 This method saves the options to a ".ini"-like file or memory-stored string list. More...
 
std::string getDescription () const override
 Gets a short textual description of the PTG and its parameters. More...
 
bool PTG_IsIntoDomain (double x, double y) const override
 Returns the same than inverseMap_WS2TP() but without any additional cost. More...
 
void ptgDiffDriveSteeringFunction (float alpha, float t, float x, float y, float phi, float &v, float &w) const override
 The main method to be implemented in derived classes: it defines the differential-driven differential equation. More...
 
void loadDefaultParams () override
 Loads a set of default parameters; provided exclusively for the PTG-configurator tool. More...
 
double getMax_V () const
 
double getMax_W () const
 
bool isPointInsideRobotShape (const double x, const double y) const override
 Returns true if the point lies within the robot shape. More...
 
void add_robotShape_to_setOfLines (mrpt::opengl::CSetOfLines &gl_shape, const mrpt::poses::CPose2D &origin=mrpt::poses::CPose2D()) const override
 Auxiliary function for rendering. More...
 
void updateNavDynamicState (const TNavDynamicState &newState, const bool force_update=false)
 To be invoked by the navigator before each navigation step, to let the PTG to react to changing dynamic conditions. More...
 
const TNavDynamicStategetCurrentNavDynamicState () const
 
void initialize (const std::string &cacheFilename=std::string(), const bool verbose=true)
 Must be called after setting all PTG parameters and before requesting converting obstacles to TP-Space, inverseMap_WS2TP(), etc. More...
 
void deinitialize ()
 This must be called to de-initialize the PTG if some parameter is to be changed. More...
 
bool isInitialized () const
 Returns true if initialize() has been called and there was no errors, so the PTG is ready to be queried for paths, obstacles, etc. More...
 
uint16_t getAlphaValuesCount () const
 Get the number of different, discrete paths in this family. More...
 
uint16_t getPathCount () const
 Get the number of different, discrete paths in this family. More...
 
double index2alpha (uint16_t k) const
 Alpha value for the discrete corresponding value. More...
 
uint16_t alpha2index (double alpha) const
 Discrete index value for the corresponding alpha value. More...
 
double getRefDistance () const
 
void initTPObstacles (std::vector< double > &TP_Obstacles) const
 Resizes and populates the initial appropriate contents in a vector of tp-obstacles (collision-free ranges, in "pseudometers", un-normalized). More...
 
void initTPObstacleSingle (uint16_t k, double &TP_Obstacle_k) const
 
double getScorePriority () const
 When used in path planning, a multiplying factor (default=1.0) for the scores for this PTG. More...
 
void setScorePriorty (double prior)
 
unsigned getClearanceStepCount () const
 
void setClearanceStepCount (const unsigned res)
 
unsigned getClearanceDecimatedPaths () const
 
void setClearanceDecimatedPaths (const unsigned num)
 
virtual void renderPathAsSimpleLine (const uint16_t k, mrpt::opengl::CSetOfLines &gl_obj, const double decimate_distance=0.1, const double max_path_distance=-1.0) const
 Returns the representation of one trajectory of this PTG as a 3D OpenGL object (a simple curved line). More...
 
bool debugDumpInFiles (const std::string &ptg_name) const
 Dump PTG trajectories in four text files: `. More...
 
void initClearanceDiagram (ClearanceDiagram &cd) const
 Must be called to resize a CD to its correct size, before calling updateClearance() More...
 
void updateClearance (const double ox, const double oy, ClearanceDiagram &cd) const
 Updates the clearance diagram given one (ox,oy) obstacle point, in coordinates relative to the PTG path origin. More...
 
void updateClearancePost (ClearanceDiagram &cd, const std::vector< double > &TP_obstacles) const
 
virtual void evalClearanceSingleObstacle (const double ox, const double oy, const uint16_t k, ClearanceDiagram::dist2clearance_t &inout_realdist2clearance, bool treat_as_obstacle=true) const
 Evals the robot clearance for each robot pose along path k, for the real distances in the key of the map<>, then keep in the map value the minimum of its current stored clearance, or the computed clearance. More...
 
virtual mxArraywriteToMatlab () const
 Introduces a pure virtual method responsible for writing to a mxArray Matlab object, typically a MATLAB struct whose contents are documented in each derived class. More...
 
void loadFromConfigFileName (const std::string &config_file, const std::string &section)
 Behaves like loadFromConfigFile, but you can pass directly a file name and a temporary CConfigFile object will be created automatically to load the file. More...
 
void saveToConfigFileName (const std::string &config_file, const std::string &section) const
 Behaves like saveToConfigFile, but you can pass directly a file name and a temporary CConfigFile object will be created automatically to save the file. More...
 
void dumpToConsole () const
 Just like dumpToTextStream() but sending the text to the console (std::cout) More...
 
virtual void dumpToTextStream (std::ostream &out) const
 This method should clearly display all the contents of the structure in textual form, sending it to a std::ostream. More...
 
Virtual interface of each PTG implementation
bool inverseMap_WS2TP (double x, double y, int &out_k, double &out_d, double tolerance_dist=0.10) const override
 The default implementation in this class relies on a look-up-table. More...
 
mrpt::kinematics::CVehicleVelCmd::Ptr directionToMotionCommand (uint16_t k) const override
 In this class, out_action_cmd contains: [0]: linear velocity (m/s), [1]: angular velocity (rad/s). More...
 
mrpt::kinematics::CVehicleVelCmd::Ptr getSupportedKinematicVelocityCommand () const override
 Returns an empty kinematic velocity command object of the type supported by this PTG. More...
 
void setRefDistance (const double refDist) override
 Launches an exception in this class: it is not allowed in numerical integration-based PTGs to change the reference distance after initialization. More...
 
size_t getPathStepCount (uint16_t k) const override
 Access path k ([0,N-1]=>[-pi,pi] in alpha): number of discrete "steps" along the trajectory. More...
 
void getPathPose (uint16_t k, uint32_t step, mrpt::math::TPose2D &p) const override
 Access path k ([0,N-1]=>[-pi,pi] in alpha): pose of the vehicle at discrete step step. More...
 
double getPathDist (uint16_t k, uint32_t step) const override
 Access path k ([0,N-1]=>[-pi,pi] in alpha): traversed distance at discrete step step. More...
 
bool getPathStepForDist (uint16_t k, double dist, uint32_t &out_step) const override
 Access path k ([0,N-1]=>[-pi,pi] in alpha): largest step count for which the traversed distance is < dist More...
 
double getPathStepDuration () const override
 Returns the duration (in seconds) of each "step". More...
 
double getMaxLinVel () const override
 Returns the maximum linear velocity expected from this PTG [m/s]. More...
 
double getMaxAngVel () const override
 Returns the maximum angular velocity expected from this PTG [rad/s]. More...
 
void updateTPObstacle (double ox, double oy, std::vector< double > &tp_obstacles) const override
 Updates the radial map of closest TP-Obstacles given a single obstacle point at (ox,oy) More...
 
void updateTPObstacleSingle (double ox, double oy, uint16_t k, double &tp_obstacle_k) const override
 Like updateTPObstacle() but for one direction only (k) in TP-Space. More...
 
void onNewNavDynamicState () override
 This family of PTGs ignores the dynamic states. More...
 
Virtual interface of each PTG implementation
virtual mrpt::math::TPose2D getPathPose (uint16_t k, uint32_t step) const
 
virtual bool isBijectiveAt (uint16_t k, uint32_t step) const
 Returns true if a given TP-Space point maps to a unique point in Workspace, and viceversa. More...
 
virtual mrpt::math::TTwist2D getPathTwist (uint16_t k, uint32_t step) const
 Gets velocity ("twist") for path k ([0,N-1]=>[-pi,pi] in alpha), at vehicle discrete step step. More...
 
virtual bool supportVelCmdNOP () const
 Returns true if it is possible to stop sending velocity commands to the robot and, still, the robot controller will be able to keep following the last sent trajectory ("NOP" velocity commands). More...
 
virtual bool supportSpeedAtTarget () const
 Returns true if this PTG takes into account the desired velocity at target. More...
 
virtual double maxTimeInVelCmdNOP (int path_k) const
 Only for PTGs supporting supportVelCmdNOP(): this is the maximum time (in seconds) for which the path can be followed without re-issuing a new velcmd. More...
 
virtual double getActualUnloopedPathLength (uint16_t k) const
 Returns the actual distance (in meters) of the path, discounting possible circular loops of the path (e.g. More...
 
virtual double evalPathRelativePriority (uint16_t k, double target_distance) const
 Query the PTG for the relative priority factor (0,1) of this PTG, in comparison to others, if the k-th path is to be selected. More...
 
Robot shape
void setRobotShape (const mrpt::math::CPolygon &robotShape)
 Robot shape must be set before initialization, either from ctor params or via this method. More...
 
const mrpt::math::CPolygongetRobotShape () const
 
double getMaxRobotRadius () const override
 Returns an approximation of the robot radius. More...
 
double evalClearanceToRobotShape (const double ox, const double oy) const override
 Evals the clearance from an obstacle (ox,oy) in coordinates relative to the robot center. More...
 
RTTI classes and functions for polymorphic hierarchies
mrpt::rtti::CObject::Ptr duplicateGetSmartPtr () const
 Makes a deep copy of the object and returns a smart pointer to it. More...
 

Static Public Member Functions

static CParameterizedTrajectoryGenerator::Ptr CreatePTG (const std::string &ptgClassName, const mrpt::config::CConfigFileBase &cfg, const std::string &sSection, const std::string &sKeyPrefix)
 The class factory for creating a PTG from a list of parameters in a section of a given config file (physical file or in memory). More...
 
static std::stringOUTPUT_DEBUG_PATH_PREFIX ()
 The path used as defaul output in, for example, debugDumpInFiles. More...
 
static double index2alpha (uint16_t k, const unsigned int num_paths)
 
static uint16_t alpha2index (double alpha, const unsigned int num_paths)
 
static PTG_collision_behavior_tCOLLISION_BEHAVIOR ()
 Defines the behavior when there is an obstacle inside the robot shape right at the beginning of a PTG trajectory. More...
 

Protected Types

using TCollisionCell = std::vector< std::pair< uint16_t, float > >
 A list of all the pairs (alpha,distance) such as the robot collides at that cell. More...
 

Protected Member Functions

void internal_processNewRobotShape () override
 Will be called whenever the robot shape is set / updated. More...
 
void internal_initialize (const std::string &cacheFilename=std::string(), const bool verbose=true) override
 Must be called after setting all PTG parameters and before requesting converting obstacles to TP-Space, inverseMap_WS2TP(), etc. More...
 
void internal_deinitialize () override
 This must be called to de-initialize the PTG if some parameter is to be changed. More...
 
void internal_readFromStream (mrpt::serialization::CArchive &in) override
 
void internal_writeToStream (mrpt::serialization::CArchive &out) const override
 
void simulateTrajectories (float max_time, float max_dist, unsigned int max_n, float diferencial_t, float min_dist, float *out_max_acc_v=nullptr, float *out_max_acc_w=nullptr)
 Numerically solve the diferential equations to generate a family of trajectories. More...
 
bool saveColGridsToFile (const std::string &filename, const mrpt::math::CPolygon &computed_robotShape) const
 
bool loadColGridsFromFile (const std::string &filename, const mrpt::math::CPolygon &current_robotShape)
 
void loadShapeFromConfigFile (const mrpt::config::CConfigFileBase &source, const std::string &section)
 
void internal_shape_loadFromStream (mrpt::serialization::CArchive &in)
 
void internal_shape_saveToStream (mrpt::serialization::CArchive &out) const
 
void internal_TPObsDistancePostprocess (const double ox, const double oy, const double new_tp_obs_dist, double &inout_tp_obs) const
 To be called by implementors of updateTPObstacle() and updateTPObstacleSingle() to honor the user settings regarding COLLISION_BEHAVIOR. More...
 
CSerializable virtual methods
uint8_t serializeGetVersion () const override
 Must return the current versioning number of the object. More...
 
void serializeTo (mrpt::serialization::CArchive &out) const override
 Pure virtual method for writing (serializing) to an abstract archive. More...
 
void serializeFrom (mrpt::serialization::CArchive &in, uint8_t serial_version) override
 Pure virtual method for reading (deserializing) from an abstract archive. More...
 
CSerializable virtual methods
virtual void serializeTo (CSchemeArchiveBase &out) const
 Virtual method for writing (serializing) to an abstract schema based archive. More...
 
virtual void serializeFrom (CSchemeArchiveBase &in)
 Virtual method for reading (deserializing) from an abstract schema based archive. More...
 

Static Protected Member Functions

static void dumpVar_int (std::ostream &out, const char *varName, int v)
 Used to print variable info from dumpToTextStream with the macro LOADABLEOPTS_DUMP_VAR. More...
 
static void dumpVar_float (std::ostream &out, const char *varName, float v)
 
static void dumpVar_double (std::ostream &out, const char *varName, double v)
 
static void dumpVar_bool (std::ostream &out, const char *varName, bool v)
 
static void dumpVar_string (std::ostream &out, const char *varName, const std::string &v)
 

Protected Attributes

double R {0}
 
double K {0}
 
double V_MAX {.0}
 
double W_MAX {.0}
 
double turningRadiusReference {.10}
 
std::vector< TCPointVectorm_trajectory
 
double m_resolution {0.05}
 
double m_stepTimeDuration {0.01}
 
CCollisionGrid m_collisionGrid
 The collision grid. More...
 
mrpt::containers::CDynamicGrid< TCellForLambdaFunctionm_lambdaFunctionOptimizer
 This grid will contain indexes data for speeding-up the default, brute-force lambda function. More...
 
mrpt::math::CPolygon m_robotShape
 
double m_robotMaxRadius {.01}
 
double refDistance {.0}
 
uint16_t m_alphaValuesCount {0}
 The number of discrete values for "alpha" between -PI and +PI. More...
 
double m_score_priority {1.0}
 
uint16_t m_clearance_num_points {5}
 Number of steps for the piecewise-constant approximation of clearance from TPS distances [0,1] (Default=5) More...
 
uint16_t m_clearance_decimated_paths {15}
 Number of paths for the decimated paths analysis of clearance. More...
 
TNavDynamicState m_nav_dyn_state
 Updated before each nav step by. More...
 
uint16_t m_nav_dyn_state_target_k
 Update in updateNavDynamicState(), contains the path index (k) for the target. More...
 
bool m_is_initialized {false}
 

Static Protected Attributes

static const uint16_t INVALID_PTG_PATH_INDEX = static_cast<uint16_t>(-1)
 

RTTI stuff

using Ptr = std::shared_ptr< CPTG_DiffDrive_CC >
 
using ConstPtr = std::shared_ptr< const CPTG_DiffDrive_CC >
 
using UniquePtr = std::unique_ptr< CPTG_DiffDrive_CC >
 
using ConstUniquePtr = std::unique_ptr< const CPTG_DiffDrive_CC >
 
static mrpt::rtti::CLASSINIT _init_CPTG_DiffDrive_CC
 
static const mrpt::rtti::TRuntimeClassId runtimeClassId
 
static constexpr const char * className = "CPTG_DiffDrive_CC"
 
static const mrpt::rtti::TRuntimeClassId_GetBaseClass ()
 
static constexpr auto getClassName ()
 
static const mrpt::rtti::TRuntimeClassIdGetRuntimeClassIdStatic ()
 
static std::shared_ptr< CObjectCreateObject ()
 
template<typename... Args>
static Ptr Create (Args &&... args)
 
template<typename Alloc , typename... Args>
static Ptr CreateAlloc (const Alloc &alloc, Args &&... args)
 
template<typename... Args>
static UniquePtr CreateUnique (Args &&... args)
 
virtual const mrpt::rtti::TRuntimeClassIdGetRuntimeClass () const override
 Returns information about the class of an object in runtime. More...
 
virtual mrpt::rtti::CObjectclone () const override
 Returns a deep copy (clone) of the object, indepently of its class. More...
 

Member Typedef Documentation

◆ ConstPtr

◆ ConstUniquePtr

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ Ptr

A type for the associated smart pointer

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ TCollisionCell

using mrpt::nav::CPTG_DiffDrive_CollisionGridBased::TCollisionCell = std::vector<std::pair<uint16_t, float> >
protectedinherited

A list of all the pairs (alpha,distance) such as the robot collides at that cell.

  • map key (uint16_t) -> alpha value (k)
    • map value (float) -> the MINIMUM distance (d), in meters, associated with that "k".

Definition at line 166 of file CPTG_DiffDrive_CollisionGridBased.h.

◆ UniquePtr

Definition at line 27 of file CPTG_DiffDrive_CC.h.

Constructor & Destructor Documentation

◆ CPTG_DiffDrive_CC() [1/2]

mrpt::nav::CPTG_DiffDrive_CC::CPTG_DiffDrive_CC ( )
default

◆ CPTG_DiffDrive_CC() [2/2]

mrpt::nav::CPTG_DiffDrive_CC::CPTG_DiffDrive_CC ( const mrpt::config::CConfigFileBase cfg,
const std::string sSection 
)
inline

Definition at line 30 of file CPTG_DiffDrive_CC.h.

References loadFromConfigFile().

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Member Function Documentation

◆ _GetBaseClass()

static const mrpt::rtti::TRuntimeClassId* mrpt::nav::CPTG_DiffDrive_CC::_GetBaseClass ( )
staticprotected

◆ add_robotShape_to_setOfLines()

void CPTG_RobotShape_Polygonal::add_robotShape_to_setOfLines ( mrpt::opengl::CSetOfLines gl_shape,
const mrpt::poses::CPose2D origin = mrpt::poses::CPose2D() 
) const
overridevirtualinherited

Auxiliary function for rendering.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 93 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::opengl::CSetOfLines::appendLine(), mrpt::opengl::CSetOfLines::appendLineStrip(), mrpt::poses::CPose2D::composePoint(), and mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape.

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◆ alpha2index() [1/2]

uint16_t CParameterizedTrajectoryGenerator::alpha2index ( double  alpha) const
inherited

◆ alpha2index() [2/2]

uint16_t CParameterizedTrajectoryGenerator::alpha2index ( double  alpha,
const unsigned int  num_paths 
)
staticinherited

Definition at line 213 of file CParameterizedTrajectoryGenerator.cpp.

References M_PI, mrpt::round(), and mrpt::math::wrapToPi().

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◆ clone()

virtual mrpt::rtti::CObject* mrpt::nav::CPTG_DiffDrive_CC::clone ( ) const
overridevirtual

Returns a deep copy (clone) of the object, indepently of its class.

Implements mrpt::rtti::CObject.

◆ COLLISION_BEHAVIOR()

PTG_collision_behavior_t & CParameterizedTrajectoryGenerator::COLLISION_BEHAVIOR ( )
staticinherited

Defines the behavior when there is an obstacle inside the robot shape right at the beginning of a PTG trajectory.

Default value: COLL_BEH_BACK_AWAY

Definition at line 31 of file CParameterizedTrajectoryGenerator.cpp.

References COLLISION_BEHAVIOR.

Referenced by mrpt::nav::CParameterizedTrajectoryGenerator::internal_TPObsDistancePostprocess().

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◆ Create()

template<typename... Args>
static Ptr mrpt::nav::CPTG_DiffDrive_CC::Create ( Args &&...  args)
inlinestatic

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ CreateAlloc()

template<typename Alloc , typename... Args>
static Ptr mrpt::nav::CPTG_DiffDrive_CC::CreateAlloc ( const Alloc &  alloc,
Args &&...  args 
)
inlinestatic

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ CreateObject()

static std::shared_ptr<CObject> mrpt::nav::CPTG_DiffDrive_CC::CreateObject ( )
static

◆ CreatePTG()

CParameterizedTrajectoryGenerator::Ptr CParameterizedTrajectoryGenerator::CreatePTG ( const std::string ptgClassName,
const mrpt::config::CConfigFileBase cfg,
const std::string sSection,
const std::string sKeyPrefix 
)
staticinherited

The class factory for creating a PTG from a list of parameters in a section of a given config file (physical file or in memory).

Possible parameters are:

ptgClassName can be any PTG class name which has been registered as any other mrpt::serialization::CSerializable class.

Exceptions
std::logic_errorOn invalid or missing parameters.

Definition at line 22 of file CParameterizedTrajectoryGenerator_factory.cpp.

References mrpt::config::CConfigFilePrefixer::bind(), mrpt::rtti::TRuntimeClassId::createObject(), mrpt::rtti::findRegisteredClass(), mrpt::ptr_cast< CAST_TO >::from(), MRPT_END, MRPT_START, mrpt::rtti::registerAllPendingClasses(), mrpt::config::CConfigFilePrefixer::setPrefixes(), THROW_EXCEPTION_FMT, and mrpt::system::trim().

Referenced by mrpt::nav::PlannerTPS_VirtualBase::internal_loadConfig_PTG(), mrpt::nav::CReactiveNavigationSystem::loadConfigFile(), and mrpt::nav::CReactiveNavigationSystem3D::loadConfigFile().

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◆ CreateUnique()

template<typename... Args>
static UniquePtr mrpt::nav::CPTG_DiffDrive_CC::CreateUnique ( Args &&...  args)
inlinestatic

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ debugDumpInFiles()

bool CParameterizedTrajectoryGenerator::debugDumpInFiles ( const std::string ptg_name) const
inherited

Dump PTG trajectories in four text files: `.

/reactivenav.logs/PTGs/PTGi_{x,y,phi,d}.txt` Text files are loadable from MATLAB/Octave, and can be visualized with the script [MRPT_DIR]/scripts/viewPTG.m

Note
The directory "./reactivenav.logs/PTGs" will be created if doesn't exist.
Returns
false on any error writing to disk.
See also
OUTPUT_DEBUG_PATH_PREFIX

Definition at line 279 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::system::createDirectory(), mrpt::format(), mrpt::nav::CParameterizedTrajectoryGenerator::getAlphaValuesCount(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathDist(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathPose(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathStepCount(), min, and mrpt::nav::CParameterizedTrajectoryGenerator::OUTPUT_DEBUG_PATH_PREFIX().

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◆ deinitialize()

void CParameterizedTrajectoryGenerator::deinitialize ( )
inherited

This must be called to de-initialize the PTG if some parameter is to be changed.

After changing it, call initialize again

Definition at line 416 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::nav::CParameterizedTrajectoryGenerator::internal_deinitialize(), and mrpt::nav::CParameterizedTrajectoryGenerator::m_is_initialized.

Referenced by mrpt::nav::CParameterizedTrajectoryGenerator::internal_readFromStream().

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◆ directionToMotionCommand()

mrpt::kinematics::CVehicleVelCmd::Ptr CPTG_DiffDrive_CollisionGridBased::directionToMotionCommand ( uint16_t  k) const
overridevirtualinherited

In this class, out_action_cmd contains: [0]: linear velocity (m/s), [1]: angular velocity (rad/s).

In this class, out_action_cmd contains: [0]: linear velocity (m/s), [1]: angular velocity (rad/s)

See more docs in CParameterizedTrajectoryGenerator::directionToMotionCommand()

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 271 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References mrpt::nav::CParameterizedTrajectoryGenerator::index2alpha(), and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::ptgDiffDriveSteeringFunction().

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◆ dumpToConsole()

void CLoadableOptions::dumpToConsole ( ) const
inherited

Just like dumpToTextStream() but sending the text to the console (std::cout)

Definition at line 44 of file CLoadableOptions.cpp.

References mrpt::config::CLoadableOptions::dumpToTextStream().

Referenced by mrpt::hmtslam::CTopLCDetector_GridMatching::computeTopologicalObservationModel().

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◆ dumpToTextStream()

void CLoadableOptions::dumpToTextStream ( std::ostream &  out) const
virtualinherited

This method should clearly display all the contents of the structure in textual form, sending it to a std::ostream.

The default implementation in this base class relies on saveToConfigFile() to generate a plain text representation of all the parameters.

Reimplemented in mrpt::vision::TMultiResDescOptions, mrpt::vision::TMultiResDescMatchOptions, mrpt::maps::COccupancyGridMap2D::TLikelihoodOptions, mrpt::maps::COccupancyGridMap2D::TInsertionOptions, mrpt::graphslam::deciders::CLoopCloserERD< GRAPH_T >::TLoopClosureParams, mrpt::vision::TMatchingOptions, mrpt::hmtslam::CHMTSLAM::TOptions, mrpt::graphslam::deciders::CLoopCloserERD< GRAPH_T >::TLaserParams, mrpt::maps::CLandmarksMap::TLikelihoodOptions, mrpt::maps::TSetOfMetricMapInitializers, mrpt::maps::CPointsMap::TRenderOptions, mrpt::maps::CPointsMap::TLikelihoodOptions, mrpt::vision::TStereoSystemParams, mrpt::maps::COctoMapBase< octree_t, octree_node_t >::TLikelihoodOptions, mrpt::maps::CLandmarksMap::TInsertionOptions, mrpt::maps::CPointsMap::TInsertionOptions, mrpt::maps::CColouredPointsMap::TColourOptions, mrpt::graphslam::optimizers::CLevMarqGSO< GRAPH_T >::GraphVisualizationParams, mrpt::slam::CRangeBearingKFSLAM::TOptions, mrpt::graphslam::optimizers::CLevMarqGSO< GRAPH_T >::OptimizationParams, mrpt::graphslam::deciders::CICPCriteriaNRD< GRAPH_T >::TParams, mrpt::graphslam::deciders::CICPCriteriaERD< GRAPH_T >::TParams, mrpt::maps::CRandomFieldGridMap3D::TInsertionOptions, mrpt::maps::CBeaconMap::TInsertionOptions, mrpt::graphslam::deciders::CRangeScanOps< GRAPH_T >::TParams, mrpt::graphslam::deciders::CFixedIntervalsNRD< GRAPH_T >::TParams, mrpt::maps::CMultiMetricMapPDF::TPredictionParams, mrpt::maps::CBeaconMap::TLikelihoodOptions, mrpt::slam::CRangeBearingKFSLAM2D::TOptions, mrpt::maps::CHeightGridMap2D::TInsertionOptions, mrpt::vision::CFeatureExtraction::TOptions, mrpt::maps::COctoMapBase< octree_t, octree_node_t >::TInsertionOptions, mrpt::graphslam::deciders::CIncrementalNodeRegistrationDecider< GRAPH_T >::TParams, mrpt::slam::CMetricMapBuilderRBPF::TConstructionOptions, mrpt::slam::CGridMapAligner::TConfigParams, mrpt::bayes::TKF_options, mrpt::graphslam::TSlidingWindow, mrpt::maps::CReflectivityGridMap2D::TInsertionOptions, mrpt::hmtslam::CTopLCDetector_GridMatching::TOptions, mrpt::hmtslam::CTopLCDetector_FabMap::TOptions, mrpt::graphslam::TUncertaintyPath< GRAPH_T >, mrpt::maps::CHeightGridMap2D_MRF::TInsertionOptions, mrpt::maps::CGasConcentrationGridMap2D::TInsertionOptions, mrpt::maps::CWirelessPowerGridMap2D::TInsertionOptions, mrpt::maps::TMetricMapInitializer, mrpt::slam::CMetricMapBuilderICP::TConfigParams, and mrpt::slam::TKLDParams.

Definition at line 77 of file CLoadableOptions.cpp.

References mrpt::config::CConfigFileMemory::getContent(), and mrpt::config::CLoadableOptions::saveToConfigFile().

Referenced by mrpt::config::CLoadableOptions::dumpToConsole(), mrpt::maps::TMetricMapInitializer::dumpToTextStream(), mrpt::graphslam::deciders::CRangeScanOps< GRAPH_T >::TParams::dumpToTextStream(), and mrpt::maps::COccupancyGridMap3D::TMapDefinition::dumpToTextStream_map_specific().

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◆ dumpVar_bool()

void CLoadableOptions::dumpVar_bool ( std::ostream &  out,
const char *  varName,
bool  v 
)
staticprotectedinherited

Definition at line 63 of file CLoadableOptions.cpp.

References mrpt::format(), and LOADABLEOPTS_COLUMN_WIDTH.

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◆ dumpVar_double()

void CLoadableOptions::dumpVar_double ( std::ostream &  out,
const char *  varName,
double  v 
)
staticprotectedinherited

Definition at line 57 of file CLoadableOptions.cpp.

References mrpt::format(), and LOADABLEOPTS_COLUMN_WIDTH.

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◆ dumpVar_float()

void CLoadableOptions::dumpVar_float ( std::ostream &  out,
const char *  varName,
float  v 
)
staticprotectedinherited

Definition at line 51 of file CLoadableOptions.cpp.

References mrpt::format(), and LOADABLEOPTS_COLUMN_WIDTH.

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◆ dumpVar_int()

void CLoadableOptions::dumpVar_int ( std::ostream &  out,
const char *  varName,
int  v 
)
staticprotectedinherited

Used to print variable info from dumpToTextStream with the macro LOADABLEOPTS_DUMP_VAR.

Definition at line 45 of file CLoadableOptions.cpp.

References mrpt::format(), and LOADABLEOPTS_COLUMN_WIDTH.

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◆ dumpVar_string()

void CLoadableOptions::dumpVar_string ( std::ostream &  out,
const char *  varName,
const std::string v 
)
staticprotectedinherited

Definition at line 70 of file CLoadableOptions.cpp.

References mrpt::format(), and LOADABLEOPTS_COLUMN_WIDTH.

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◆ duplicateGetSmartPtr()

mrpt::rtti::CObject::Ptr CObject::duplicateGetSmartPtr ( ) const
inlineinherited

Makes a deep copy of the object and returns a smart pointer to it.

Definition at line 200 of file CObject.h.

References mrpt::rtti::CObject::clone().

Referenced by mrpt::obs::CRawlog::addActions(), and mrpt::obs::CRawlog::addObservations().

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◆ evalClearanceSingleObstacle()

void CParameterizedTrajectoryGenerator::evalClearanceSingleObstacle ( const double  ox,
const double  oy,
const uint16_t  k,
ClearanceDiagram::dist2clearance_t inout_realdist2clearance,
bool  treat_as_obstacle = true 
) const
virtualinherited

Evals the robot clearance for each robot pose along path k, for the real distances in the key of the map<>, then keep in the map value the minimum of its current stored clearance, or the computed clearance.

In case of collision, clearance is zero.

Parameters
treat_as_obstacletrue: normal use for obstacles; false: compute shortest distances to a target point (no collision)

Definition at line 513 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::math::angDistance(), ASSERT_, mrpt::DEG2RAD(), mrpt::nav::CParameterizedTrajectoryGenerator::evalClearanceToRobotShape(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathPose(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathStepCount(), mrpt::nav::CParameterizedTrajectoryGenerator::index2alpha(), mrpt::math::TPose2D::inverseComposePoint(), mrpt::keep_min(), mrpt::math::TPoint2D::norm(), mrpt::nav::CParameterizedTrajectoryGenerator::refDistance, mrpt::round(), mrpt::math::TPoint2D_data::x, and mrpt::math::TPoint2D_data::y.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores(), and mrpt::nav::CParameterizedTrajectoryGenerator::updateClearance().

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◆ evalClearanceToRobotShape()

double CPTG_RobotShape_Polygonal::evalClearanceToRobotShape ( const double  ox,
const double  oy 
) const
overridevirtualinherited

Evals the clearance from an obstacle (ox,oy) in coordinates relative to the robot center.

Zero or negative means collision.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 155 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::hypot_fast(), mrpt::nav::CPTG_RobotShape_Polygonal::isPointInsideRobotShape(), mrpt::keep_max(), and mrpt::nav::CPTG_RobotShape_Polygonal::m_robotMaxRadius.

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◆ evalPathRelativePriority()

virtual double mrpt::nav::CParameterizedTrajectoryGenerator::evalPathRelativePriority ( uint16_t  k,
double  target_distance 
) const
inlinevirtualinherited

Query the PTG for the relative priority factor (0,1) of this PTG, in comparison to others, if the k-th path is to be selected.

Definition at line 312 of file CParameterizedTrajectoryGenerator.h.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores().

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◆ getActualUnloopedPathLength()

virtual double mrpt::nav::CParameterizedTrajectoryGenerator::getActualUnloopedPathLength ( uint16_t  k) const
inlinevirtualinherited

Returns the actual distance (in meters) of the path, discounting possible circular loops of the path (e.g.

if it comes back to the origin). Default: refDistance

Definition at line 305 of file CParameterizedTrajectoryGenerator.h.

References mrpt::nav::CParameterizedTrajectoryGenerator::refDistance.

◆ getAlphaValuesCount()

uint16_t mrpt::nav::CParameterizedTrajectoryGenerator::getAlphaValuesCount ( ) const
inlineinherited

Get the number of different, discrete paths in this family.

Definition at line 358 of file CParameterizedTrajectoryGenerator.h.

References mrpt::nav::CParameterizedTrajectoryGenerator::m_alphaValuesCount.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate(), mrpt::nav::CParameterizedTrajectoryGenerator::debugDumpInFiles(), and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_initialize().

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◆ getClassName()

static constexpr auto mrpt::nav::CPTG_DiffDrive_CC::getClassName ( )
inlinestatic

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ getClearanceDecimatedPaths()

unsigned mrpt::nav::CParameterizedTrajectoryGenerator::getClearanceDecimatedPaths ( ) const
inlineinherited

◆ getClearanceStepCount()

unsigned mrpt::nav::CParameterizedTrajectoryGenerator::getClearanceStepCount ( ) const
inlineinherited

◆ getCurrentNavDynamicState()

const TNavDynamicState& mrpt::nav::CParameterizedTrajectoryGenerator::getCurrentNavDynamicState ( ) const
inlineinherited

◆ getDescription()

std::string CPTG_DiffDrive_CC::getDescription ( ) const
overridevirtual

Gets a short textual description of the PTG and its parameters.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 69 of file CPTG_DiffDrive_CC.cpp.

References mrpt::system::os::sprintf().

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◆ getMax_V()

double mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getMax_V ( ) const
inlineinherited

◆ getMax_W()

double mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getMax_W ( ) const
inlineinherited

◆ getMaxAngVel()

double mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getMaxAngVel ( ) const
inlineoverridevirtualinherited

Returns the maximum angular velocity expected from this PTG [rad/s].

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 98 of file CPTG_DiffDrive_CollisionGridBased.h.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::W_MAX.

◆ getMaxLinVel()

double mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getMaxLinVel ( ) const
inlineoverridevirtualinherited

Returns the maximum linear velocity expected from this PTG [m/s].

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 97 of file CPTG_DiffDrive_CollisionGridBased.h.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::V_MAX.

◆ getMaxRobotRadius()

double CPTG_RobotShape_Polygonal::getMaxRobotRadius ( ) const
overridevirtualinherited

Returns an approximation of the robot radius.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 144 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::nav::CPTG_RobotShape_Polygonal::m_robotMaxRadius.

◆ getPathCount()

uint16_t mrpt::nav::CParameterizedTrajectoryGenerator::getPathCount ( ) const
inlineinherited

Get the number of different, discrete paths in this family.

Definition at line 360 of file CParameterizedTrajectoryGenerator.h.

References mrpt::nav::CParameterizedTrajectoryGenerator::m_alphaValuesCount.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::impl_waypoint_is_reachable().

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◆ getPathDist()

double CPTG_DiffDrive_CollisionGridBased::getPathDist ( uint16_t  k,
uint32_t  step 
) const
overridevirtualinherited

Access path k ([0,N-1]=>[-pi,pi] in alpha): traversed distance at discrete step step.

Returns
Distance in pseudometers (real distance, NOT normalized to [0,1] for [0,refDist])
See also
getPathStepCount(), getAlphaValuesCount()

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 852 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERT_, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_initialize().

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◆ getPathPose() [1/2]

void CPTG_DiffDrive_CollisionGridBased::getPathPose ( uint16_t  k,
uint32_t  step,
mrpt::math::TPose2D p 
) const
overridevirtualinherited

Access path k ([0,N-1]=>[-pi,pi] in alpha): pose of the vehicle at discrete step step.

See also
getPathStepCount(), getAlphaValuesCount(), getPathTwist()

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 841 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERT_, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_initialize().

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◆ getPathPose() [2/2]

virtual mrpt::math::TPose2D mrpt::nav::CParameterizedTrajectoryGenerator::getPathPose ( uint16_t  k,
uint32_t  step 
) const
inlinevirtualinherited

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Definition at line 209 of file CParameterizedTrajectoryGenerator.h.

References mrpt::nav::CParameterizedTrajectoryGenerator::getPathPose().

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◆ getPathStepCount()

size_t CPTG_DiffDrive_CollisionGridBased::getPathStepCount ( uint16_t  k) const
overridevirtualinherited

Access path k ([0,N-1]=>[-pi,pi] in alpha): number of discrete "steps" along the trajectory.

May be actual steps from a numerical integration or an arbitrary small length for analytical PTGs.

See also
getAlphaValuesCount()

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 834 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERT_, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_initialize().

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◆ getPathStepDuration()

double CPTG_DiffDrive_CollisionGridBased::getPathStepDuration ( ) const
overridevirtualinherited

Returns the duration (in seconds) of each "step".

See also
getPathStepCount()

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 950 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_stepTimeDuration.

◆ getPathStepForDist()

bool CPTG_DiffDrive_CollisionGridBased::getPathStepForDist ( uint16_t  k,
double  dist,
uint32_t out_step 
) const
overridevirtualinherited

Access path k ([0,N-1]=>[-pi,pi] in alpha): largest step count for which the traversed distance is < dist

Parameters
[in]distDistance in pseudometers (real distance, NOT normalized to [0,1] for [0,refDist])
Returns
false if no step fulfills the condition for the given trajectory k (e.g. out of reference distance). Note that, anyway, the maximum distance (closest point) is returned in out_step.
See also
getPathStepCount(), getAlphaValuesCount()

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 861 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERT_, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

◆ getPathTwist()

mrpt::math::TTwist2D CParameterizedTrajectoryGenerator::getPathTwist ( uint16_t  k,
uint32_t  step 
) const
virtualinherited

Gets velocity ("twist") for path k ([0,N-1]=>[-pi,pi] in alpha), at vehicle discrete step step.

The default implementation in this base class uses numerical differentiation to estimate the twist (vx,vy,omega). Velocity is given in "global" coordinates, relative to the starting pose of the robot at t=0 for this PTG path.

See also
getPathStepCount(), getAlphaValuesCount(), getPathPose()

Definition at line 575 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::math::angDistance(), ASSERT_ABOVE_, mrpt::nav::CParameterizedTrajectoryGenerator::TNavDynamicState::curVelLocal, mrpt::nav::CParameterizedTrajectoryGenerator::getPathPose(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathStepDuration(), and mrpt::nav::CParameterizedTrajectoryGenerator::m_nav_dyn_state.

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◆ getRefDistance()

double mrpt::nav::CParameterizedTrajectoryGenerator::getRefDistance ( ) const
inlineinherited

Definition at line 370 of file CParameterizedTrajectoryGenerator.h.

References mrpt::nav::CParameterizedTrajectoryGenerator::refDistance.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate(), and mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores().

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◆ getRobotShape()

const mrpt::math::CPolygon& mrpt::nav::CPTG_RobotShape_Polygonal::getRobotShape ( ) const
inlineinherited

◆ GetRuntimeClass()

virtual const mrpt::rtti::TRuntimeClassId* mrpt::nav::CPTG_DiffDrive_CC::GetRuntimeClass ( ) const
overridevirtual

Returns information about the class of an object in runtime.

Reimplemented from mrpt::nav::CParameterizedTrajectoryGenerator.

◆ GetRuntimeClassIdStatic()

static const mrpt::rtti::TRuntimeClassId& mrpt::nav::CPTG_DiffDrive_CC::GetRuntimeClassIdStatic ( )
static

◆ getScorePriority()

double mrpt::nav::CParameterizedTrajectoryGenerator::getScorePriority ( ) const
inlineinherited

When used in path planning, a multiplying factor (default=1.0) for the scores for this PTG.

Assign values <1 to PTGs with low priority.

Definition at line 379 of file CParameterizedTrajectoryGenerator.h.

References mrpt::nav::CParameterizedTrajectoryGenerator::m_score_priority.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores().

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◆ getSupportedKinematicVelocityCommand()

mrpt::kinematics::CVehicleVelCmd::Ptr CPTG_DiffDrive_CollisionGridBased::getSupportedKinematicVelocityCommand ( ) const
overridevirtualinherited

Returns an empty kinematic velocity command object of the type supported by this PTG.

Can be queried to determine the expected kinematic interface of the PTG.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 943 of file CPTG_DiffDrive_CollisionGridBased.cpp.

◆ index2alpha() [1/2]

◆ index2alpha() [2/2]

double CParameterizedTrajectoryGenerator::index2alpha ( uint16_t  k,
const unsigned int  num_paths 
)
staticinherited

Definition at line 201 of file CParameterizedTrajectoryGenerator.cpp.

References ASSERT_BELOW_, and M_PI.

◆ initClearanceDiagram()

void mrpt::nav::CParameterizedTrajectoryGenerator::initClearanceDiagram ( ClearanceDiagram cd) const
inherited

Must be called to resize a CD to its correct size, before calling updateClearance()

Definition at line 466 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::nav::ClearanceDiagram::decimated_k_to_real_k(), mrpt::nav::ClearanceDiagram::get_path_clearance_decimated(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathDist(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathStepCount(), mrpt::nav::CParameterizedTrajectoryGenerator::m_alphaValuesCount, mrpt::nav::CParameterizedTrajectoryGenerator::m_clearance_decimated_paths, mrpt::nav::CParameterizedTrajectoryGenerator::m_clearance_num_points, mrpt::nav::ClearanceDiagram::resize(), and mrpt::round().

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate().

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◆ initialize()

void CParameterizedTrajectoryGenerator::initialize ( const std::string cacheFilename = std::string(),
const bool  verbose = true 
)
inherited

Must be called after setting all PTG parameters and before requesting converting obstacles to TP-Space, inverseMap_WS2TP(), etc.

Definition at line 401 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::system::fileNameStripInvalidChars(), mrpt::nav::CParameterizedTrajectoryGenerator::getDescription(), mrpt::nav::CParameterizedTrajectoryGenerator::internal_initialize(), and mrpt::nav::CParameterizedTrajectoryGenerator::m_is_initialized.

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◆ initTPObstacles()

void CParameterizedTrajectoryGenerator::initTPObstacles ( std::vector< double > &  TP_Obstacles) const
inherited

Resizes and populates the initial appropriate contents in a vector of tp-obstacles (collision-free ranges, in "pseudometers", un-normalized).

See also
updateTPObstacle()

Definition at line 263 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::nav::CParameterizedTrajectoryGenerator::initTPObstacleSingle(), and mrpt::nav::CParameterizedTrajectoryGenerator::m_alphaValuesCount.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate(), and mrpt::nav::PlannerTPS_VirtualBase::spaceTransformer().

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◆ initTPObstacleSingle()

void CParameterizedTrajectoryGenerator::initTPObstacleSingle ( uint16_t  k,
double &  TP_Obstacle_k 
) const
inherited

Definition at line 270 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::nav::CParameterizedTrajectoryGenerator::getPathDist(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathStepCount(), mrpt::nav::CParameterizedTrajectoryGenerator::INVALID_PTG_PATH_INDEX, mrpt::nav::CParameterizedTrajectoryGenerator::m_nav_dyn_state_target_k, min, and mrpt::nav::CParameterizedTrajectoryGenerator::refDistance.

Referenced by mrpt::nav::CParameterizedTrajectoryGenerator::initTPObstacles(), and mrpt::nav::PlannerTPS_VirtualBase::spaceTransformerOneDirectionOnly().

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◆ internal_deinitialize()

void CPTG_DiffDrive_CollisionGridBased::internal_deinitialize ( )
overrideprotectedvirtualinherited

This must be called to de-initialize the PTG if some parameter is to be changed.

After changing it, call initialize again

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 677 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_readFromStream(), and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::simulateTrajectories().

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◆ internal_initialize()

void CPTG_DiffDrive_CollisionGridBased::internal_initialize ( const std::string cacheFilename = std::string(),
const bool  verbose = true 
)
overrideprotectedvirtualinherited

Must be called after setting all PTG parameters and before requesting converting obstacles to TP-Space, inverseMap_WS2TP(), etc.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 682 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERT_, ASSERTMSG_, bb_max, bb_min, mrpt::math::TPolygon2D::contains(), mrpt::format(), mrpt::nav::CParameterizedTrajectoryGenerator::getAlphaValuesCount(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getPathDist(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getPathPose(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::getPathStepCount(), mrpt::containers::CDynamicGrid< T >::getResolution(), mrpt::containers::CDynamicGrid< T >::getSizeX(), mrpt::containers::CDynamicGrid< T >::getSizeY(), mrpt::math::CPolygon::GetVertex_x(), mrpt::math::CPolygon::GetVertex_y(), mrpt::containers::CDynamicGrid< T >::idx2x(), mrpt::containers::CDynamicGrid< T >::idx2y(), mrpt::keep_max(), mrpt::keep_min(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::loadColGridsFromFile(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_collisionGrid, mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_resolution, mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape, min, MRPT_END, MRPT_START, mrpt::nav::CParameterizedTrajectoryGenerator::refDistance, mrpt::nav::CPTG_DiffDrive_CollisionGridBased::saveColGridsToFile(), mrpt::containers::CDynamicGrid< T >::setSize(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::simulateTrajectories(), mrpt::system::CTicTac::Tac(), mrpt::system::CTicTac::Tic(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::CCollisionGrid::updateCellInfo(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::V_MAX, mrpt::math::CPolygon::verticesCount(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::W_MAX, mrpt::containers::CDynamicGrid< T >::x2idx(), and mrpt::containers::CDynamicGrid< T >::y2idx().

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◆ internal_processNewRobotShape()

void CPTG_DiffDrive_CollisionGridBased::internal_processNewRobotShape ( )
overrideprotectedvirtualinherited

Will be called whenever the robot shape is set / updated.

Implements mrpt::nav::CPTG_RobotShape_Polygonal.

Definition at line 670 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERTMSG_, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

◆ internal_readFromStream()

◆ internal_shape_loadFromStream()

void CPTG_RobotShape_Polygonal::internal_shape_loadFromStream ( mrpt::serialization::CArchive in)
protectedinherited

Definition at line 119 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape, and MRPT_THROW_UNKNOWN_SERIALIZATION_VERSION.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_readFromStream().

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◆ internal_shape_saveToStream()

void CPTG_RobotShape_Polygonal::internal_shape_saveToStream ( mrpt::serialization::CArchive out) const
protectedinherited

Definition at line 135 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_writeToStream().

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◆ internal_TPObsDistancePostprocess()

void CParameterizedTrajectoryGenerator::internal_TPObsDistancePostprocess ( const double  ox,
const double  oy,
const double  new_tp_obs_dist,
double &  inout_tp_obs 
) const
protectedinherited

To be called by implementors of updateTPObstacle() and updateTPObstacleSingle() to honor the user settings regarding COLLISION_BEHAVIOR.

Parameters
new_tp_obs_distThe newly determiend collision-free ranges, in "pseudometers", un-normalized, for some "k" direction.
inout_tp_obsThe target where to store the new TP-Obs distance, if it fulfills the criteria determined by the collision behavior.

Definition at line 423 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::nav::COLL_BEH_BACK_AWAY, mrpt::nav::COLL_BEH_STOP, mrpt::nav::CParameterizedTrajectoryGenerator::COLLISION_BEHAVIOR(), mrpt::nav::CParameterizedTrajectoryGenerator::getMaxRobotRadius(), mrpt::nav::CParameterizedTrajectoryGenerator::isPointInsideRobotShape(), mrpt::keep_min(), and THROW_EXCEPTION.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::updateTPObstacle(), and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::updateTPObstacleSingle().

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◆ internal_writeToStream()

◆ inverseMap_WS2TP()

bool CPTG_DiffDrive_CollisionGridBased::inverseMap_WS2TP ( double  x,
double  y,
int &  out_k,
double &  out_d,
double  tolerance_dist = 0.10 
) const
overridevirtualinherited

◆ isBijectiveAt()

virtual bool mrpt::nav::CParameterizedTrajectoryGenerator::isBijectiveAt ( uint16_t  k,
uint32_t  step 
) const
inlinevirtualinherited

Returns true if a given TP-Space point maps to a unique point in Workspace, and viceversa.

Default implementation returns true.

Definition at line 154 of file CParameterizedTrajectoryGenerator.h.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores().

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◆ isInitialized()

bool CParameterizedTrajectoryGenerator::isInitialized ( ) const
inherited

Returns true if initialize() has been called and there was no errors, so the PTG is ready to be queried for paths, obstacles, etc.

Definition at line 355 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::nav::CParameterizedTrajectoryGenerator::m_is_initialized.

◆ isPointInsideRobotShape()

bool CPTG_RobotShape_Polygonal::isPointInsideRobotShape ( const double  x,
const double  y 
) const
overridevirtualinherited

Returns true if the point lies within the robot shape.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 149 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::math::TPolygon2D::contains(), and mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape.

Referenced by mrpt::nav::CPTG_RobotShape_Polygonal::evalClearanceToRobotShape().

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◆ loadColGridsFromFile()

bool CPTG_DiffDrive_CollisionGridBased::loadColGridsFromFile ( const std::string filename,
const mrpt::math::CPolygon current_robotShape 
)
protectedinherited

Definition at line 352 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References mrpt::serialization::archiveFrom(), mrpt::io::CFileGZInputStream::fileOpenCorrectly(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::CCollisionGrid::loadFromFile(), and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_collisionGrid.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_initialize().

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◆ loadDefaultParams()

void CPTG_DiffDrive_CC::loadDefaultParams ( )
overridevirtual

Loads a set of default parameters; provided exclusively for the PTG-configurator tool.

Reimplemented from mrpt::nav::CPTG_RobotShape_Polygonal.

Definition at line 115 of file CPTG_DiffDrive_CC.cpp.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::loadDefaultParams().

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◆ loadFromConfigFile()

void mrpt::nav::CPTG_DiffDrive_CC::loadFromConfigFile ( const mrpt::config::CConfigFileBase cfg,
const std::string sSection 
)
overridevirtual

Parameters accepted by this base class:

  • ${sKeyPrefix}num_paths: The number of different paths in this family (number of discrete alpha values).
  • ${sKeyPrefix}ref_distance: The maximum distance in PTGs [meters]
  • ${sKeyPrefix}score_priority: When used in path planning, a multiplying factor (default=1.0) for the scores for this PTG. Assign values <1 to PTGs with low priority.

Reimplemented from mrpt::nav::CParameterizedTrajectoryGenerator.

Referenced by CPTG_DiffDrive_CC().

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◆ loadFromConfigFileName()

void CLoadableOptions::loadFromConfigFileName ( const std::string config_file,
const std::string section 
)
inherited

Behaves like loadFromConfigFile, but you can pass directly a file name and a temporary CConfigFile object will be created automatically to load the file.

See also
loadFromConfigFile

Definition at line 22 of file CLoadableOptions.cpp.

References mrpt::config::CLoadableOptions::loadFromConfigFile().

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◆ loadShapeFromConfigFile()

void CPTG_RobotShape_Polygonal::loadShapeFromConfigFile ( const mrpt::config::CConfigFileBase source,
const std::string section 
)
protectedinherited

Definition at line 43 of file CPTG_RobotShape_Polygonal.cpp.

References mrpt::math::CPolygon::AddVertex(), ASSERTMSG_, mrpt::format(), mrpt::nav::CPTG_RobotShape_Polygonal::internal_processNewRobotShape(), mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape, and mrpt::config::CConfigFileBase::read_double().

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::loadFromConfigFile().

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◆ maxTimeInVelCmdNOP()

double CParameterizedTrajectoryGenerator::maxTimeInVelCmdNOP ( int  path_k) const
virtualinherited

Only for PTGs supporting supportVelCmdNOP(): this is the maximum time (in seconds) for which the path can be followed without re-issuing a new velcmd.

Note that this is only an absolute maximum duration, navigation implementations will check for many other conditions. Default method in the base virtual class returns 0.

Parameters
path_kQueried path k index [0,N-1]

Reimplemented in mrpt::nav::CPTG_Holo_Blend.

Definition at line 58 of file CParameterizedTrajectoryGenerator.cpp.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate(), and mrpt::nav::CAbstractPTGBasedReactive::performNavigationStep().

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◆ onNewNavDynamicState()

void mrpt::nav::CPTG_DiffDrive_CollisionGridBased::onNewNavDynamicState ( )
inlineoverridevirtualinherited

This family of PTGs ignores the dynamic states.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 105 of file CPTG_DiffDrive_CollisionGridBased.h.

◆ OUTPUT_DEBUG_PATH_PREFIX()

std::string & CParameterizedTrajectoryGenerator::OUTPUT_DEBUG_PATH_PREFIX ( )
staticinherited

The path used as defaul output in, for example, debugDumpInFiles.

(Default="./reactivenav.logs/")

Definition at line 25 of file CParameterizedTrajectoryGenerator.cpp.

References OUTPUT_DEBUG_PATH_PREFIX.

Referenced by mrpt::nav::CParameterizedTrajectoryGenerator::debugDumpInFiles().

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◆ PTG_IsIntoDomain()

bool CPTG_DiffDrive_CC::PTG_IsIntoDomain ( double  x,
double  y 
) const
overridevirtual

Returns the same than inverseMap_WS2TP() but without any additional cost.

The default implementation just calls inverseMap_WS2TP() and discards (k,d).

Reimplemented from mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 109 of file CPTG_DiffDrive_CC.cpp.

References R, and mrpt::square().

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◆ ptgDiffDriveSteeringFunction()

void CPTG_DiffDrive_CC::ptgDiffDriveSteeringFunction ( float  alpha,
float  t,
float  x,
float  y,
float  phi,
float &  v,
float &  w 
) const
overridevirtual

The main method to be implemented in derived classes: it defines the differential-driven differential equation.

6.0f;

Implements mrpt::nav::CPTG_DiffDrive_CollisionGridBased.

Definition at line 76 of file CPTG_DiffDrive_CC.cpp.

References M_PI, MRPT_UNUSED_PARAM, and R.

◆ renderPathAsSimpleLine()

void CParameterizedTrajectoryGenerator::renderPathAsSimpleLine ( const uint16_t  k,
mrpt::opengl::CSetOfLines gl_obj,
const double  decimate_distance = 0.1,
const double  max_path_distance = -1.0 
) const
virtualinherited

Returns the representation of one trajectory of this PTG as a 3D OpenGL object (a simple curved line).

Parameters
[in]kThe 0-based index of the selected trajectory (discrete "alpha" parameter).
[out]gl_objOutput object.
[in]decimate_distanceMinimum distance between path points (in meters).
[in]max_path_distanceIf >=0, cut the path at this distance (in meters).

Definition at line 228 of file CParameterizedTrajectoryGenerator.cpp.

References mrpt::opengl::CSetOfLines::appendLine(), mrpt::opengl::CSetOfLines::appendLineStrip(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathDist(), mrpt::nav::CParameterizedTrajectoryGenerator::getPathPose(), and mrpt::nav::CParameterizedTrajectoryGenerator::getPathStepCount().

Referenced by mrpt::nav::PlannerTPS_VirtualBase::renderMoveTree().

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◆ saveColGridsToFile()

bool CPTG_DiffDrive_CollisionGridBased::saveColGridsToFile ( const std::string filename,
const mrpt::math::CPolygon computed_robotShape 
) const
protectedinherited

Definition at line 329 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References mrpt::serialization::archiveFrom(), mrpt::io::CFileGZOutputStream::fileOpenCorrectly(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_collisionGrid, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::CCollisionGrid::saveToFile().

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_initialize().

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◆ saveToConfigFile()

void CPTG_DiffDrive_CC::saveToConfigFile ( mrpt::config::CConfigFileBase target,
const std::string section 
) const
overridevirtual

This method saves the options to a ".ini"-like file or memory-stored string list.

See also
loadFromConfigFile, saveToConfigFileName

Reimplemented from mrpt::nav::CPTG_RobotShape_Polygonal.

Definition at line 33 of file CPTG_DiffDrive_CC.cpp.

References MRPT_END, MRPT_START, mrpt::nav::CPTG_DiffDrive_CollisionGridBased::saveToConfigFile(), and mrpt::config::CConfigFileBase::write().

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◆ saveToConfigFileName()

void CLoadableOptions::saveToConfigFileName ( const std::string config_file,
const std::string section 
) const
inherited

Behaves like saveToConfigFile, but you can pass directly a file name and a temporary CConfigFile object will be created automatically to save the file.

See also
saveToConfigFile, loadFromConfigFileName

Definition at line 37 of file CLoadableOptions.cpp.

References mrpt::config::CLoadableOptions::saveToConfigFile().

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◆ serializeFrom() [1/2]

void CPTG_DiffDrive_CC::serializeFrom ( mrpt::serialization::CArchive in,
uint8_t  serial_version 
)
overrideprotectedvirtual

Pure virtual method for reading (deserializing) from an abstract archive.

Users don't call this method directly. Instead, use stream >> object;.

Parameters
inThe input binary stream where the object data must read from.
versionThe version of the object stored in the stream: use this version number in your code to know how to read the incoming data.
Exceptions
std::exceptionOn any I/O error

Implements mrpt::serialization::CSerializable.

Definition at line 47 of file CPTG_DiffDrive_CC.cpp.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_readFromStream(), and MRPT_THROW_UNKNOWN_SERIALIZATION_VERSION.

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◆ serializeFrom() [2/2]

virtual void mrpt::serialization::CSerializable::serializeFrom ( CSchemeArchiveBase in)
inlineprotectedvirtualinherited

Virtual method for reading (deserializing) from an abstract schema based archive.

Definition at line 74 of file CSerializable.h.

References mrpt::serialization::CSerializable::GetRuntimeClass(), and THROW_EXCEPTION.

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◆ serializeGetVersion()

uint8_t CPTG_DiffDrive_CC::serializeGetVersion ( ) const
overrideprotectedvirtual

Must return the current versioning number of the object.

Start in zero for new classes, and increments each time there is a change in the stored format.

Implements mrpt::serialization::CSerializable.

Definition at line 62 of file CPTG_DiffDrive_CC.cpp.

◆ serializeTo() [1/2]

void CPTG_DiffDrive_CC::serializeTo ( mrpt::serialization::CArchive out) const
overrideprotectedvirtual

Pure virtual method for writing (serializing) to an abstract archive.

Users don't call this method directly. Instead, use stream << object;.

Exceptions
std::exceptionOn any I/O error

Implements mrpt::serialization::CSerializable.

Definition at line 63 of file CPTG_DiffDrive_CC.cpp.

References mrpt::nav::CPTG_DiffDrive_CollisionGridBased::internal_writeToStream().

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◆ serializeTo() [2/2]

virtual void mrpt::serialization::CSerializable::serializeTo ( CSchemeArchiveBase out) const
inlineprotectedvirtualinherited

Virtual method for writing (serializing) to an abstract schema based archive.

Definition at line 64 of file CSerializable.h.

References mrpt::serialization::CSerializable::GetRuntimeClass(), and THROW_EXCEPTION.

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◆ setClearanceDecimatedPaths()

void mrpt::nav::CParameterizedTrajectoryGenerator::setClearanceDecimatedPaths ( const unsigned  num)
inlineinherited

◆ setClearanceStepCount()

void mrpt::nav::CParameterizedTrajectoryGenerator::setClearanceStepCount ( const unsigned  res)
inlineinherited

◆ setRefDistance()

void CPTG_DiffDrive_CollisionGridBased::setRefDistance ( const double  refDist)
overridevirtualinherited

Launches an exception in this class: it is not allowed in numerical integration-based PTGs to change the reference distance after initialization.

Reimplemented from mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 661 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERTMSG_, mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory, and mrpt::nav::CParameterizedTrajectoryGenerator::refDistance.

◆ setRobotShape()

void CPTG_RobotShape_Polygonal::setRobotShape ( const mrpt::math::CPolygon robotShape)
inherited

Robot shape must be set before initialization, either from ctor params or via this method.

Definition at line 21 of file CPTG_RobotShape_Polygonal.cpp.

References ASSERT_ABOVEEQ_, mrpt::nav::CPTG_RobotShape_Polygonal::internal_processNewRobotShape(), mrpt::keep_max(), mrpt::nav::CPTG_RobotShape_Polygonal::m_robotMaxRadius, and mrpt::nav::CPTG_RobotShape_Polygonal::m_robotShape.

Referenced by mrpt::nav::CReactiveNavigationSystem::STEP1_InitPTGs(), and mrpt::nav::CReactiveNavigationSystem3D::STEP1_InitPTGs().

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◆ setScorePriorty()

void mrpt::nav::CParameterizedTrajectoryGenerator::setScorePriorty ( double  prior)
inlineinherited

◆ simulateTrajectories()

void CPTG_DiffDrive_CollisionGridBased::simulateTrajectories ( float  max_time,
float  max_dist,
unsigned int  max_n,
float  diferencial_t,
float  min_dist,
float *  out_max_acc_v = nullptr,
float *  out_max_acc_w = nullptr 
)
protectedinherited

◆ supportSpeedAtTarget()

virtual bool mrpt::nav::CParameterizedTrajectoryGenerator::supportSpeedAtTarget ( ) const
inlinevirtualinherited

Returns true if this PTG takes into account the desired velocity at target.

See also
updateNavDynamicState()

Definition at line 291 of file CParameterizedTrajectoryGenerator.h.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores(), mrpt::nav::CAbstractPTGBasedReactive::performNavigationStep(), and mrpt::nav::CParameterizedTrajectoryGenerator::updateNavDynamicState().

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◆ supportVelCmdNOP()

bool CParameterizedTrajectoryGenerator::supportVelCmdNOP ( ) const
virtualinherited

Returns true if it is possible to stop sending velocity commands to the robot and, still, the robot controller will be able to keep following the last sent trajectory ("NOP" velocity commands).

Default implementation returns "false".

Reimplemented in mrpt::nav::CPTG_Holo_Blend.

Definition at line 54 of file CParameterizedTrajectoryGenerator.cpp.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate(), mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores(), and mrpt::nav::CAbstractPTGBasedReactive::performNavigationStep().

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◆ updateClearance()

void CParameterizedTrajectoryGenerator::updateClearance ( const double  ox,
const double  oy,
ClearanceDiagram cd 
) const
inherited

Updates the clearance diagram given one (ox,oy) obstacle point, in coordinates relative to the PTG path origin.

Parameters
[in,out]cdThe clearance will be updated here.
See also
m_clearance_dist_resolution

Definition at line 489 of file CParameterizedTrajectoryGenerator.cpp.

References ASSERT_, mrpt::nav::ClearanceDiagram::decimated_k_to_real_k(), mrpt::nav::CParameterizedTrajectoryGenerator::evalClearanceSingleObstacle(), mrpt::nav::ClearanceDiagram::get_actual_num_paths(), mrpt::nav::ClearanceDiagram::get_decimated_num_paths(), mrpt::nav::ClearanceDiagram::get_path_clearance_decimated(), mrpt::nav::CParameterizedTrajectoryGenerator::m_alphaValuesCount, and mrpt::nav::CParameterizedTrajectoryGenerator::m_clearance_num_points.

Referenced by mrpt::nav::CReactiveNavigationSystem::STEP3_WSpaceToTPSpace().

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◆ updateClearancePost()

void CParameterizedTrajectoryGenerator::updateClearancePost ( ClearanceDiagram cd,
const std::vector< double > &  TP_obstacles 
) const
inherited

Definition at line 507 of file CParameterizedTrajectoryGenerator.cpp.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::build_movement_candidate().

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◆ updateNavDynamicState()

void CParameterizedTrajectoryGenerator::updateNavDynamicState ( const TNavDynamicState newState,
const bool  force_update = false 
)
inherited

◆ updateTPObstacle()

void CPTG_DiffDrive_CollisionGridBased::updateTPObstacle ( double  ox,
double  oy,
std::vector< double > &  tp_obstacles 
) const
overridevirtualinherited

Updates the radial map of closest TP-Obstacles given a single obstacle point at (ox,oy)

Parameters
[in,out]tp_obstaclesA vector of length getAlphaValuesCount(), initialized with initTPObstacles() (collision-free ranges, in "pseudometers", un-normalized).
[in]oxObstacle point (X), relative coordinates wrt origin of the PTG.
[in]oyObstacle point (Y), relative coordinates wrt origin of the PTG.
Note
The length of tp_obstacles is not checked for efficiency since this method is potentially called thousands of times per navigation timestap, so it is left to the user responsibility to provide a valid buffer.
tp_obstacles must be initialized with initTPObstacle() before call.

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 882 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERTMSG_, mrpt::nav::CPTG_DiffDrive_CollisionGridBased::CCollisionGrid::getTPObstacle(), mrpt::nav::CParameterizedTrajectoryGenerator::internal_TPObsDistancePostprocess(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_collisionGrid, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

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◆ updateTPObstacleSingle()

void CPTG_DiffDrive_CollisionGridBased::updateTPObstacleSingle ( double  ox,
double  oy,
uint16_t  k,
double &  tp_obstacle_k 
) const
overridevirtualinherited

Like updateTPObstacle() but for one direction only (k) in TP-Space.

tp_obstacle_k must be initialized with initTPObstacleSingle() before call (collision-free ranges, in "pseudometers", un-normalized).

Implements mrpt::nav::CParameterizedTrajectoryGenerator.

Definition at line 895 of file CPTG_DiffDrive_CollisionGridBased.cpp.

References ASSERTMSG_, mrpt::nav::CPTG_DiffDrive_CollisionGridBased::CCollisionGrid::getTPObstacle(), mrpt::nav::CParameterizedTrajectoryGenerator::internal_TPObsDistancePostprocess(), mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_collisionGrid, and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_trajectory.

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◆ writeToMatlab()

virtual mxArray* mrpt::serialization::CSerializable::writeToMatlab ( ) const
inlinevirtualinherited

Introduces a pure virtual method responsible for writing to a mxArray Matlab object, typically a MATLAB struct whose contents are documented in each derived class.

Returns
A new mxArray (caller is responsible of memory freeing) or nullptr is class does not support conversion to MATLAB.

Definition at line 90 of file CSerializable.h.

Member Data Documentation

◆ _init_CPTG_DiffDrive_CC

mrpt::rtti::CLASSINIT mrpt::nav::CPTG_DiffDrive_CC::_init_CPTG_DiffDrive_CC
staticprotected

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ className

constexpr const char* mrpt::nav::CPTG_DiffDrive_CC::className = "CPTG_DiffDrive_CC"
static

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ INVALID_PTG_PATH_INDEX

const uint16_t mrpt::nav::CParameterizedTrajectoryGenerator::INVALID_PTG_PATH_INDEX = static_cast<uint16_t>(-1)
staticprotectedinherited

◆ K

double mrpt::nav::CPTG_DiffDrive_CC::K {0}
protected

Definition at line 50 of file CPTG_DiffDrive_CC.h.

◆ m_alphaValuesCount

◆ m_clearance_decimated_paths

◆ m_clearance_num_points

◆ m_collisionGrid

◆ m_is_initialized

bool mrpt::nav::CParameterizedTrajectoryGenerator::m_is_initialized {false}
protectedinherited

◆ m_lambdaFunctionOptimizer

mrpt::containers::CDynamicGrid<TCellForLambdaFunction> mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_lambdaFunctionOptimizer
protectedinherited

This grid will contain indexes data for speeding-up the default, brute-force lambda function.

Definition at line 246 of file CPTG_DiffDrive_CollisionGridBased.h.

Referenced by mrpt::nav::CPTG_DiffDrive_CollisionGridBased::inverseMap_WS2TP(), and mrpt::nav::CPTG_DiffDrive_CollisionGridBased::simulateTrajectories().

◆ m_nav_dyn_state

◆ m_nav_dyn_state_target_k

uint16_t mrpt::nav::CParameterizedTrajectoryGenerator::m_nav_dyn_state_target_k
protectedinherited

◆ m_resolution

◆ m_robotMaxRadius

double mrpt::nav::CPTG_RobotShape_Polygonal::m_robotMaxRadius {.01}
protectedinherited

◆ m_robotShape

◆ m_score_priority

◆ m_stepTimeDuration

double mrpt::nav::CPTG_DiffDrive_CollisionGridBased::m_stepTimeDuration {0.01}
protectedinherited

◆ m_trajectory

◆ R

double mrpt::nav::CPTG_DiffDrive_CC::R {0}
protected

Definition at line 50 of file CPTG_DiffDrive_CC.h.

◆ refDistance

◆ runtimeClassId

const mrpt::rtti::TRuntimeClassId mrpt::nav::CPTG_DiffDrive_CC::runtimeClassId
staticprotected

Definition at line 27 of file CPTG_DiffDrive_CC.h.

◆ turningRadiusReference

◆ V_MAX

◆ W_MAX




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