cartesian_interpolator.h

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/* Author: Ioan Sucan, Mike Lautman */
 
#pragma once
 
#include <moveit/robot_state/robot_state.h>
 
#include <boost/assert.hpp>
 
namespace moveit
{
namespace core
{
struct JumpThreshold
{
  double factor;
  double revolute;   // Radians
  double prismatic;  // Meters
 
  explicit JumpThreshold() : factor(0.0), revolute(0.0), prismatic(0.0)
  {
  }
 
  explicit JumpThreshold(double jt_factor) : JumpThreshold()
  {
    factor = jt_factor;
  }
 
  explicit JumpThreshold(double jt_revolute, double jt_prismatic) : JumpThreshold()
  {
    revolute = jt_revolute;    // Radians
    prismatic = jt_prismatic;  // Meters
  }
};
 
struct MaxEEFStep
{
  MaxEEFStep(double translation, double rotation) : translation(translation), rotation(rotation)
  {
  }
 
  MaxEEFStep(double step_size) : translation(step_size), rotation(3.5 * step_size)  // 0.035 rad = 2 deg
  {
  }
 
  double translation;  // Meters
  double rotation;     // Radians
};
 
class CartesianInterpolator
{
  // TODO(mlautman): Eventually, this planner should be moved out of robot_state
 
public:
  static double
  computeCartesianPath(RobotState* start_state, const JointModelGroup* group,
                       std::vector<std::shared_ptr<RobotState>>& traj, const LinkModel* link,
                       const Eigen::Vector3d& translation, bool global_reference_frame, const MaxEEFStep& max_step,
                       const JumpThreshold& jump_threshold,
                       const GroupStateValidityCallbackFn& validCallback = GroupStateValidityCallbackFn(),
                       const kinematics::KinematicsQueryOptions& options = kinematics::KinematicsQueryOptions());
 
  static double
  computeCartesianPath(RobotState* start_state, const JointModelGroup* group,
                       std::vector<std::shared_ptr<RobotState>>& traj, const LinkModel* link,
                       const Eigen::Vector3d& direction, bool global_reference_frame, double distance,
                       const MaxEEFStep& max_step, const JumpThreshold& jump_threshold,
                       const GroupStateValidityCallbackFn& validCallback = GroupStateValidityCallbackFn(),
                       const kinematics::KinematicsQueryOptions& options = kinematics::KinematicsQueryOptions())
  {
    return computeCartesianPath(start_state, group, traj, link, distance * direction, global_reference_frame, max_step,
                                jump_threshold, validCallback, options);
  }
 
  static double
  computeCartesianPath(RobotState* start_state, const JointModelGroup* group,
                       std::vector<std::shared_ptr<RobotState>>& traj, const LinkModel* link,
                       const Eigen::Isometry3d& target, bool global_reference_frame, const MaxEEFStep& max_step,
                       const JumpThreshold& jump_threshold,
                       const GroupStateValidityCallbackFn& validCallback = GroupStateValidityCallbackFn(),
                       const kinematics::KinematicsQueryOptions& options = kinematics::KinematicsQueryOptions(),
                       const Eigen::Isometry3d& link_offset = Eigen::Isometry3d::Identity());
 
  static double
  computeCartesianPath(RobotState* start_state, const JointModelGroup* group,
                       std::vector<std::shared_ptr<RobotState>>& traj, const LinkModel* link,
                       const EigenSTL::vector_Isometry3d& waypoints, bool global_reference_frame,
                       const MaxEEFStep& max_step, const JumpThreshold& jump_threshold,
                       const GroupStateValidityCallbackFn& validCallback = GroupStateValidityCallbackFn(),
                       const kinematics::KinematicsQueryOptions& options = kinematics::KinematicsQueryOptions(),
                       const Eigen::Isometry3d& link_offset = Eigen::Isometry3d::Identity());
 
  static double checkJointSpaceJump(const JointModelGroup* group, std::vector<std::shared_ptr<RobotState>>& traj,
                                    const JumpThreshold& jump_threshold);
 
  static double checkRelativeJointSpaceJump(const JointModelGroup* group,
                                            std::vector<std::shared_ptr<RobotState>>& traj,
                                            double jump_threshold_factor);
 
  static double checkAbsoluteJointSpaceJump(const JointModelGroup* group,
                                            std::vector<std::shared_ptr<RobotState>>& traj,
                                            double revolute_jump_threshold, double prismatic_jump_threshold);
};
 
}  // end of namespace core
}  // end of namespace moveit