Package org.robwork.sdurw_trajectory

Class TrajectoryVector2DPtr

  • public class TrajectoryVector2DPtr
extends java.lang.Object
    Ptr stores a pointer and optionally takes ownership of the value.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      TrajectoryVector2D __ref__()
      Dereferencing operator.
      TrajectoryVector2DCPtr cptr()  
      Vector2D ddx​(double t)
      Acceleration of trajectory at time t

      Returns the acceleration of the trajectory at time t \in[startTime(), endTime()].
      void delete()  
      TrajectoryVector2D deref()
      The pointer stored in the object.
      double duration()
      Total duration of the trajectory.

      The duration of the Trajectory corresponds to the time it takes to
      run through it.

      If the trajectory is empty, then -1 is returned.
      Vector2D dx​(double t)
      Velocity of trajectory at time t

      Returns the velocity of the trajectory at time t \in[startTime(), endTime()].
      double endTime()
      Returns the endTime of the trajectory.

      The end time equals startTime() + duration().
      boolean equals​(TrajectoryVector2D p)  
      static long getCPtr​(TrajectoryVector2DPtr obj)  
      TrajectoryVector2D getDeref()
      Member access operator.
      TrajectoryIteratorVector2DPtr getIterator()
      Returns a bi-directional interator for running through the trajectory.

      For some trajectory types it may be significantly more efficient to run through
      using an iterator, rather than using random access.


      Pointer to the iterator.
      TrajectoryIteratorVector2DPtr getIterator​(double dt)
      Returns a bi-directional interator for running through the trajectory.

      For some trajectory types it may be significantly more efficient to run through
      using an iterator, rather than using random access.
      SWIGTYPE_p_std__vectorT_rw__math__Vector2DT_double_t_t getPath​(double dt)
      Constructs a discrete path based on the trajectory.

      If uniform = true the path will be divided into the smallest number of
      uniform steps for which the time stepsize <= dt.

      If uniform = false the path is divided into steps of duration dt, except the
      last interval which may be shorter to include the end point.
      SWIGTYPE_p_std__vectorT_rw__math__Vector2DT_double_t_t getPath​(double dt, boolean uniform)
      Constructs a discrete path based on the trajectory.

      If uniform = true the path will be divided into the smallest number of
      uniform steps for which the time stepsize <= dt.

      If uniform = false the path is divided into steps of duration dt, except the
      last interval which may be shorter to include the end point.
      boolean isNull()
      checks if the pointer is null
      boolean isShared()
      check if this Ptr has shared ownership or none
      ownership
      double startTime()
      Returns the startTime of the trajectory
      Vector2D x​(double t)
      Position of trajectory at time t

      Returns the position of the trajectory at time t \in[startTime(), endTime()].

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • TrajectoryVector2DPtr

        public TrajectoryVector2DPtr​(long cPtr,
                             boolean cMemoryOwn)

      • TrajectoryVector2DPtr

        public TrajectoryVector2DPtr()
        Default constructor yielding a NULL-pointer.

      • TrajectoryVector2DPtr

        public TrajectoryVector2DPtr​(TrajectoryVector2D ptr)
        Do not take ownership of ptr.

        ptr can be null.

        The constructor is implicit on purpose.

    • Method Detail

      • delete

        public void delete()

      • isShared

        public boolean isShared()
        check if this Ptr has shared ownership or none
        ownership
        Returns:
        true if Ptr has shared ownership, false if it has no ownership.

      • isNull

        public boolean isNull()
        checks if the pointer is null
        Returns:
        Returns true if the pointer is null

      • x

        public Vector2D x​(double t)
        Position of trajectory at time t

        Returns the position of the trajectory at time t \in[startTime(), endTime()].

        Parameters:
        t - [in] time between startTime() and endTime()
        Returns:
        Position

      • dx

        public Vector2D dx​(double t)
        Velocity of trajectory at time t

        Returns the velocity of the trajectory at time t \in[startTime(), endTime()].

        Parameters:
        t - [in] time between startTime() and endTime()
        Returns:
        Velocity

      • ddx

        public Vector2D ddx​(double t)
        Acceleration of trajectory at time t

        Returns the acceleration of the trajectory at time t \in[startTime(), endTime()].

        Parameters:
        t - [in] time between startTime() and endTime()
        Returns:
        Acceleration

      • duration

        public double duration()
        Total duration of the trajectory.

        The duration of the Trajectory corresponds to the time it takes to
        run through it.

        If the trajectory is empty, then -1 is returned.

      • startTime

        public double startTime()
        Returns the startTime of the trajectory

        Returns:
        Start time

      • endTime

        public double endTime()
        Returns the endTime of the trajectory.

        The end time equals startTime() + duration().

        Returns:
        The end time

      • getPath

        public SWIGTYPE_p_std__vectorT_rw__math__Vector2DT_double_t_t getPath​(double dt,
                                                                      boolean uniform)
        Constructs a discrete path based on the trajectory.

        If uniform = true the path will be divided into the smallest number of
        uniform steps for which the time stepsize <= dt.

        If uniform = false the path is divided into steps of duration dt, except the
        last interval which may be shorter to include the end point.

        Parameters:
        dt - [in] Step size
        uniform - [in] Whether to sample the path uniformly
        Returns:
        The discrete path.

      • getPath

        public SWIGTYPE_p_std__vectorT_rw__math__Vector2DT_double_t_t getPath​(double dt)
        Constructs a discrete path based on the trajectory.

        If uniform = true the path will be divided into the smallest number of
        uniform steps for which the time stepsize <= dt.

        If uniform = false the path is divided into steps of duration dt, except the
        last interval which may be shorter to include the end point.

        Parameters:
        dt - [in] Step size

        Returns:
        The discrete path.

      • getIterator

        public TrajectoryIteratorVector2DPtr getIterator​(double dt)
        Returns a bi-directional interator for running through the trajectory.

        For some trajectory types it may be significantly more efficient to run through
        using an iterator, rather than using random access.

        Parameters:
        dt - [in] The default time step used when using the ++ or -- operators in the
        iterator
        Pointer to the iterator. The pointer has ownership.

      • getIterator

        public TrajectoryIteratorVector2DPtr getIterator()
        Returns a bi-directional interator for running through the trajectory.

        For some trajectory types it may be significantly more efficient to run through
        using an iterator, rather than using random access.


        Pointer to the iterator. The pointer has ownership.