Represents a discretized joint-space trajectory for CHOMP. More...
#include <chomp_trajectory.h>
Public Member Functions | |
| ChompTrajectory (const planning_models::KinematicModel *robot_model, double duration, double discretization, std::string groupName) | |
| Constructs a trajectory for a given robot model, trajectory duration, and discretization. | |
| ChompTrajectory (const planning_models::KinematicModel *robot_model, int num_points, double discretization, std::string groupName) | |
| Constructs a trajectory for a given robot model, number of trajectory points, and discretization. | |
| ChompTrajectory (const ChompTrajectory &source_traj, const std::string &planning_group, int diff_rule_length) | |
| Creates a new containing only the joints of interest, and adds padding to the start and end if needed, to have enough trajectory points for the differentiation rules. | |
| ChompTrajectory (const planning_models::KinematicModel *robot_model, const std::string &planning_group, const trajectory_msgs::JointTrajectory &traj) | |
| void | fillInMinJerk () |
| Generates a minimum jerk trajectory from the start index to end index. | |
| double | getDiscretization () const |
| Gets the discretization time interval of the trajectory. | |
| double | getDuration () const |
| int | getEndIndex () const |
| Gets the end index. | |
| Eigen::Block< Eigen::MatrixXd, Eigen::Dynamic, Eigen::Dynamic > | getFreeJointTrajectoryBlock (int joint) |
| Gets the block of free (optimizable) trajectory for a single joint. | |
| Eigen::Block< Eigen::MatrixXd, Eigen::Dynamic, Eigen::Dynamic > | getFreeTrajectoryBlock () |
| Gets the block of the trajectory which can be optimized. | |
| int | getFullTrajectoryIndex (int i) const |
| Gets the index in the full trajectory which was copied to this group trajectory. | |
| Eigen::MatrixXd::ColXpr | getJointTrajectory (int joint) |
| template<typename Derived > | |
| void | getJointVelocities (int traj_point, Eigen::MatrixBase< Derived > &velocities) |
| Gets the joint velocities at the given trajectory point. | |
| int | getNumFreePoints () const |
| Gets the number of points (that are free to be optimized) in the trajectory. | |
| int | getNumJoints () const |
| Gets the number of joints in each trajectory point. | |
| int | getNumPoints () const |
| Gets the number of points in the trajectory. | |
| int | getStartIndex () const |
| Gets the start index. | |
| Eigen::MatrixXd & | getTrajectory () |
| Gets the entire trajectory matrix. | |
| Eigen::MatrixXd::RowXpr | getTrajectoryPoint (int traj_point) |
| double & | operator() (int traj_point, int joint) |
| double | operator() (int traj_point, int joint) const |
| void | overwriteTrajectory (const trajectory_msgs::JointTrajectory &traj) |
| void | setStartEndIndex (int start_index, int end_index) |
| Sets the start and end index for the modifiable part of the trajectory. | |
| void | updateFromGroupTrajectory (const ChompTrajectory &group_trajectory) |
| Updates the full trajectory (*this) from the group trajectory. | |
| virtual | ~ChompTrajectory () |
| Destructor. | |
Private Member Functions | |
| void | init () |
| Allocates memory for the trajectory. | |
Private Attributes | |
| double | discretization_ |
| double | duration_ |
| int | end_index_ |
| std::vector< int > | full_trajectory_index_ |
| int | num_joints_ |
| int | num_points_ |
| std::string | planning_group_name_ |
| int | start_index_ |
| Eigen::MatrixXd | trajectory_ |
Represents a discretized joint-space trajectory for CHOMP.
Definition at line 53 of file chomp_trajectory.h.
| chomp::ChompTrajectory::ChompTrajectory | ( | const planning_models::KinematicModel * | robot_model, |
| double | duration, | ||
| double | discretization, | ||
| std::string | groupName | ||
| ) |
Constructs a trajectory for a given robot model, trajectory duration, and discretization.
Definition at line 45 of file chomp_trajectory.cpp.
| chomp::ChompTrajectory::ChompTrajectory | ( | const planning_models::KinematicModel * | robot_model, |
| int | num_points, | ||
| double | discretization, | ||
| std::string | groupName | ||
| ) |
Constructs a trajectory for a given robot model, number of trajectory points, and discretization.
Definition at line 59 of file chomp_trajectory.cpp.
| chomp::ChompTrajectory::ChompTrajectory | ( | const ChompTrajectory & | source_traj, |
| const std::string & | planning_group, | ||
| int | diff_rule_length | ||
| ) |
Creates a new containing only the joints of interest, and adds padding to the start and end if needed, to have enough trajectory points for the differentiation rules.
Definition at line 73 of file chomp_trajectory.cpp.
| chomp::ChompTrajectory::ChompTrajectory | ( | const planning_models::KinematicModel * | robot_model, |
| const std::string & | planning_group, | ||
| const trajectory_msgs::JointTrajectory & | traj | ||
| ) |
Definition at line 110 of file chomp_trajectory.cpp.
| chomp::ChompTrajectory::~ChompTrajectory | ( | ) | [virtual] |
Destructor.
Definition at line 143 of file chomp_trajectory.cpp.
Generates a minimum jerk trajectory from the start index to end index.
Only modifies points from start_index_ to end_index_, inclusive.
Definition at line 170 of file chomp_trajectory.cpp.
| double chomp::ChompTrajectory::getDiscretization | ( | ) | const [inline] |
Gets the discretization time interval of the trajectory.
Definition at line 222 of file chomp_trajectory.h.
| double chomp::ChompTrajectory::getDuration | ( | ) | const [inline] |
Definition at line 275 of file chomp_trajectory.h.
| int chomp::ChompTrajectory::getEndIndex | ( | ) | const [inline] |
Gets the end index.
Definition at line 238 of file chomp_trajectory.h.
| Eigen::Block< Eigen::MatrixXd, Eigen::Dynamic, Eigen::Dynamic > chomp::ChompTrajectory::getFreeJointTrajectoryBlock | ( | int | joint | ) | [inline] |
Gets the block of free (optimizable) trajectory for a single joint.
Definition at line 253 of file chomp_trajectory.h.
| Eigen::Block< Eigen::MatrixXd, Eigen::Dynamic, Eigen::Dynamic > chomp::ChompTrajectory::getFreeTrajectoryBlock | ( | ) | [inline] |
Gets the block of the trajectory which can be optimized.
Definition at line 248 of file chomp_trajectory.h.
| int chomp::ChompTrajectory::getFullTrajectoryIndex | ( | int | i | ) | const [inline] |
Gets the index in the full trajectory which was copied to this group trajectory.
Definition at line 258 of file chomp_trajectory.h.
| Eigen::MatrixXd::ColXpr chomp::ChompTrajectory::getJointTrajectory | ( | int | joint | ) | [inline] |
Definition at line 202 of file chomp_trajectory.h.
| void chomp::ChompTrajectory::getJointVelocities | ( | int | traj_point, |
| Eigen::MatrixBase< Derived > & | velocities | ||
| ) |
Gets the joint velocities at the given trajectory point.
Definition at line 264 of file chomp_trajectory.h.
| int chomp::ChompTrajectory::getNumFreePoints | ( | ) | const [inline] |
Gets the number of points (that are free to be optimized) in the trajectory.
Definition at line 212 of file chomp_trajectory.h.
| int chomp::ChompTrajectory::getNumJoints | ( | ) | const [inline] |
Gets the number of joints in each trajectory point.
Definition at line 217 of file chomp_trajectory.h.
| int chomp::ChompTrajectory::getNumPoints | ( | ) | const [inline] |
Gets the number of points in the trajectory.
Definition at line 207 of file chomp_trajectory.h.
| int chomp::ChompTrajectory::getStartIndex | ( | ) | const [inline] |
Gets the start index.
Definition at line 233 of file chomp_trajectory.h.
| Eigen::MatrixXd & chomp::ChompTrajectory::getTrajectory | ( | ) | [inline] |
Gets the entire trajectory matrix.
Definition at line 243 of file chomp_trajectory.h.
| Eigen::MatrixXd::RowXpr chomp::ChompTrajectory::getTrajectoryPoint | ( | int | traj_point | ) | [inline] |
Definition at line 197 of file chomp_trajectory.h.
| void chomp::ChompTrajectory::init | ( | ) | [private] |
Allocates memory for the trajectory.
Definition at line 155 of file chomp_trajectory.cpp.
| double & chomp::ChompTrajectory::operator() | ( | int | traj_point, |
| int | joint | ||
| ) | [inline] |
Definition at line 187 of file chomp_trajectory.h.
| double chomp::ChompTrajectory::operator() | ( | int | traj_point, |
| int | joint | ||
| ) | const [inline] |
Definition at line 192 of file chomp_trajectory.h.
| void chomp::ChompTrajectory::overwriteTrajectory | ( | const trajectory_msgs::JointTrajectory & | traj | ) |
Definition at line 147 of file chomp_trajectory.cpp.
| void chomp::ChompTrajectory::setStartEndIndex | ( | int | start_index, |
| int | end_index | ||
| ) | [inline] |
Sets the start and end index for the modifiable part of the trajectory.
(Everything before the start and after the end index is considered fixed) The values default to 1 and getNumPoints()-2
Definition at line 227 of file chomp_trajectory.h.
| void chomp::ChompTrajectory::updateFromGroupTrajectory | ( | const ChompTrajectory & | group_trajectory | ) |
Updates the full trajectory (*this) from the group trajectory.
Definition at line 161 of file chomp_trajectory.cpp.
double chomp::ChompTrajectory::discretization_ [private] |
Discretization of the trajectory
Definition at line 177 of file chomp_trajectory.h.
double chomp::ChompTrajectory::duration_ [private] |
Duration of the trajectory
Definition at line 178 of file chomp_trajectory.h.
int chomp::ChompTrajectory::end_index_ [private] |
End index (inclusive) of trajectory to be optimized (everything after it will not be modified)
Definition at line 181 of file chomp_trajectory.h.
std::vector<int> chomp::ChompTrajectory::full_trajectory_index_ [private] |
If this is a "group" trajectory, the index from the original traj which each element here was copied
Definition at line 182 of file chomp_trajectory.h.
int chomp::ChompTrajectory::num_joints_ [private] |
Number of joints in each trajectory point
Definition at line 176 of file chomp_trajectory.h.
int chomp::ChompTrajectory::num_points_ [private] |
Number of points in the trajectory
Definition at line 175 of file chomp_trajectory.h.
std::string chomp::ChompTrajectory::planning_group_name_ [private] |
Planning group that this trajectory corresponds to, if any
Definition at line 174 of file chomp_trajectory.h.
int chomp::ChompTrajectory::start_index_ [private] |
Start index (inclusive) of trajectory to be optimized (everything before it will not be modified)
Definition at line 180 of file chomp_trajectory.h.
Eigen::MatrixXd chomp::ChompTrajectory::trajectory_ [private] |
Storage for the actual trajectory
Definition at line 179 of file chomp_trajectory.h.