add_time_parameterization.cpp
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00034 
00035 /* Author: Ioan Sucan */
00036 
00037 #include <moveit/planning_request_adapter/planning_request_adapter.h>
00038 #include <moveit/trajectory_processing/iterative_time_parameterization.h>
00039 #include <class_loader/class_loader.h>
00040 #include <ros/console.h>
00041 
00042 /*
00043 #include <ReflexxesAPI.h>
00044 #include <RMLPositionFlags.h>
00045 #include <RMLPositionInputParameters.h>
00046 #include <RMLPositionOutputParameters.h>
00047 */
00048 
00049 namespace default_planner_request_adapters
00050 {
00051 
00052 class AddTimeParameterization : public planning_request_adapter::PlanningRequestAdapter
00053 {
00054 public:
00055 
00056   AddTimeParameterization() : planning_request_adapter::PlanningRequestAdapter()
00057   {
00058   }
00059   /*
00060   void reflexxesComputeTime(robot_trajectory::RobotTrajectory &traj) const
00061   {
00062 
00063     boost::scoped_ptr<ReflexxesAPI> RML;
00064     boost::scoped_ptr<RMLPositionInputParameters> IP;
00065     boost::scoped_ptr<RMLPositionOutputParameters> OP;
00066     RMLPositionFlags Flags;
00067 
00068     // ********************************************************************
00069     // Creating all relevant objects of the Reflexxes Motion Library
00070 
00071     RML.reset(new ReflexxesAPI(7, 0.01));
00072     IP.reset(new RMLPositionInputParameters(7));
00073     OP.reset(new RMLPositionOutputParameters(7));
00074 
00075     std::vector<double> v;
00076     traj.getFirstWayPoint().getJointStateGroup(traj.getGroup()->getName())->getVariableValues(v);
00077 
00078     for (int i = 0; i < 7 ; ++i)
00079     {
00080       IP->CurrentPositionVector->VecData        [i]    =       v[i]; // rad
00081       IP->CurrentVelocityVector->VecData        [i]    =       0.0        ; // rad/s
00082       IP->CurrentAccelerationVector->VecData            [i]    =       0.0        ; // not needed for type 2
00083       IP->MaxVelocityVector->VecData            [i]    =       1.5        ; // rad/s
00084       IP->MaxAccelerationVector->VecData        [i]    =       1.0        ; //
00085       IP->MaxJerkVector->VecData            [i]    =       0.1        ; // not needed for type 2
00086       IP->TargetPositionVector->VecData                [i]    =       v[i]; // first waypoint
00087       IP->TargetVelocityVector->VecData                [i]    =       0.0        ; // velocity at first waypoint
00088       IP->SelectionVector->VecData            [i]    =      true        ;
00089     }
00090     bool error = false;
00091     for (std::size_t i = 1 ; !error && i < traj.getWayPointCount() ; ++i)
00092     {
00093       int ResultValue = 0;
00094       double totalt = 0.0;
00095 
00096       while (ResultValue != ReflexxesAPI::RML_FINAL_STATE_REACHED)
00097       {
00098 
00099         // ****************************************************************
00100         // Wait for the next timer tick
00101         // (not implemented in this example in order to keep it simple)
00102         // ****************************************************************
00103 
00104         // Calling the Reflexxes OTG algorithm
00105         ResultValue    =    RML->RMLPosition(*IP,    OP.get(),    Flags);
00106 
00107         if (ResultValue < 0)
00108         {
00109           printf("An error occurred (%d).\n", ResultValue    );
00110           error = true;
00111           break;
00112         }
00113 
00114         totalt += 0.01;
00115 
00116 
00117         // ****************************************************************
00118         // Here, the new state of motion, that is
00119         //
00120         // - OP->NewPositionVector
00121         // - OP->NewVelocityVector
00122         // - OP->NewAccelerationVector
00123         //
00124         // can be used as input values for lower level controllers. In the
00125         // most simple case, a position controller in actuator space is
00126         // used, but the computed state can be applied to many other
00127         // controllers (e.g., Cartesian impedance controllers,
00128         // operational space controllers).
00129         // ****************************************************************
00130 
00131         // ****************************************************************
00132         // Feed the output values of the current control cycle back to
00133         // input values of the next control cycle
00134 
00135         *IP->CurrentPositionVector        =    *OP->NewPositionVector        ;
00136         *IP->CurrentVelocityVector        =    *OP->NewVelocityVector        ;
00137         *IP->CurrentAccelerationVector            =    *OP->NewAccelerationVector    ;
00138       }
00139       std::cout << "T" << i << " :" << totalt << std::endl;
00140 
00141       traj.setWayPointDurationFromPrevious(i, totalt);
00142       traj.getWayPoint(i).getJointStateGroup(traj.getGroup()->getName())->getVariableValues(v);
00143       for (int k = 0 ; k < 7 ; ++k)
00144         IP->TargetPositionVector->VecData[k] = v[k];
00145     }
00146   }
00147   */
00148   virtual std::string getDescription() const { return "Add Time Parameterization"; }
00149 
00150   virtual bool adaptAndPlan(const PlannerFn &planner,
00151                             const planning_scene::PlanningSceneConstPtr& planning_scene,
00152                             const planning_interface::MotionPlanRequest &req,
00153                             planning_interface::MotionPlanResponse &res,
00154                             std::vector<std::size_t> &added_path_index) const
00155   {
00156     bool result = planner(planning_scene, req, res);
00157     if (result && res.trajectory_)
00158     {
00159       ROS_DEBUG("Running '%s'", getDescription().c_str());
00160       if (!time_param_.computeTimeStamps(*res.trajectory_))
00161         ROS_WARN("Time parametrization for the solution path failed.");
00162     }
00163 
00164     return result;
00165   }
00166 
00167 private:
00168 
00169   trajectory_processing::IterativeParabolicTimeParameterization time_param_;
00170 };
00171 
00172 }
00173 
00174 CLASS_LOADER_REGISTER_CLASS(default_planner_request_adapters::AddTimeParameterization,
00175                             planning_request_adapter::PlanningRequestAdapter);


planning
Author(s): Ioan Sucan , Sachin Chitta
autogenerated on Mon Oct 6 2014 02:31:39