File containing the implementation of the Trajectory data type. More...

Functions
bigint	size (trajectory trajectory)
	This function returns the size of the trajectory in bytes. More...

integer	nrpoints (trajectory trajectory)
	This functions returns the number of points in a trajectory. More...

integer	nrsegments (trajectory trajectory)
	This function returns the number of segments in a trajectory. More...

interval	samplingperiod (trajectory trajectory)

pointst	pointat (trajectory trajectory, integer i)
	This function returns the point at a specific position of the trajectory. More...

segmentst	segmentat (trajectory trajectory, integer i)
	This function returns the segment at a specific position of the trajectory. More...

pointst	firstpoint (trajectory trajectory)
	This function returns the first point of a trajectory. More...

pointst	lastpoint (trajectory trajectory)
	This function returns the last point of a trajectory. More...

segmentst	firstsegment (trajectory trajectory)
	This function returns the first segment of a trajectory. More...

segmentst	lastsegment (trajectory trajectory)
	This function returns the last segment of a trajectory. More...

trajectory	sub (trajectory trajectory, integer s, integer e)
	This function returns the sub-trajectory from a trajectory specified by the two integers. More...

table	points (trajectory trajectory)

Detailed Description

File containing the implementation of the Trajectory data type.

Author: Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).

See also: Trajectory; Trajectory type

Function Documentation

pointst firstpoint ( trajectory trajectory )

This function returns the first point of a trajectory.

Parameters

[in] trajectory The trajectory

Returns: the point

See also: firstPoint

segmentst firstsegment ( trajectory trajectory )

This function returns the first segment of a trajectory.

Parameters

[in] trajectory The trajectory

Returns: the segment

See also: firstSegment

pointst lastpoint ( trajectory trajectory )

This function returns the last point of a trajectory.

Parameters

[in] trajectory The trajectory

Returns: the point

See also: lastPoint

segmentst lastsegment ( trajectory trajectory )

This function returns the last segment of a trajectory.

Parameters

[in] trajectory The trajectory

Returns: the segment

See also: lastSegment

integer nrpoints ( trajectory trajectory )

This functions returns the number of points in a trajectory.

Parameters

[in] trajectory The trajectory

Returns: the number of points

See also: NrPoints

integer nrsegments ( trajectory trajectory )

This function returns the number of segments in a trajectory.

Parameters

[in] trajectory The trajectory

Returns: the number of segments

See also: NrSegments

pointst pointat	(	trajectory	trajectory,
		integer	i
	)

This function returns the point at a specific position of the trajectory.

Parameters

[in]	trajectory	The trajectory
[in]	i	The position of the trajectory

Returns: the point

See also: pointAt

table points ( trajectory trajectory )

interval samplingperiod ( trajectory trajectory )

segmentst segmentat	(	trajectory	trajectory,
		integer	i
	)

This function returns the segment at a specific position of the trajectory.

Parameters

[in]	trajectory	The trajectory
[in]	i	The position of the trajectory

Returns: the segment

See also: segmentAt

bigint size ( trajectory trajectory )

This function returns the size of the trajectory in bytes.

Parameters

[in] trajectory The trajectory

Returns: the size

See also: size

Referenced by allocateTrajectory(), and reallocateTrajectory().

trajectory sub	(	trajectory	trajectory,
		integer	s,
		integer	e
	)

This function returns the sub-trajectory from a trajectory specified by the two integers.

Parameters

[in]	trajectory	The trajectory
[in]	s	The start position of the trajectory
[in]	e	The end position of the trajectory

Returns: the sub-trajectory

See also: sub

Functions

Detailed Description

Function Documentation