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Functions
Properties.sql File Reference

The file implements the properties of the Trajectory object. More...

Functions

interval duration (trajectory trajectory)
 This function returns the duration of a trajectory. More...
 
float8 length (trajectory trajectory)
 This function returns the length of a trajectory. More...
 
float8 displacement (trajectory trajectory)
 This function returns the displacement of a trajectory. More...
 
pointst centroid (trajectory trajectory)
 This function returns the centroid of a trajectory. More...
 
pointsp masscenter (trajectory trajectory)
 This function returns the massCenter of a trajectory. More...
 
float8 gyradius (trajectory trajectory)
 This function returns the gyradius of a trajectory. More...
 
float8 anglexxavg (trajectory trajectory)
 This function returns the angleXXAvg of a trajectory. More...
 
float8 anglexx (trajectory trajectory)
 This function returns the angleXX of a trajectory. More...
 
float8 averagespeed (trajectory trajectory)
 The function returns the average speed of a trajectory. More...
 
float8 normalizedsamplingrate (trajectory trajectory)
 This function returns the normalized sampling rate of a trajectory. More...
 

Detailed Description

The file implements the properties of the Trajectory object.

Author
Marios Vodas (mvoda.nosp@m.s@gm.nosp@m.ail.c.nosp@m.om).
See also
Object methods

Function Documentation

float8 anglexx ( trajectory  trajectory)

This function returns the angleXX of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the angleXX of the trajectory
float8 anglexxavg ( trajectory  trajectory)

This function returns the angleXXAvg of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the angleXXAvg of the trajectory
float8 averagespeed ( trajectory  trajectory)

The function returns the average speed of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the average speed of the trajectory
pointst centroid ( trajectory  trajectory)

This function returns the centroid of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the centroid of the trajectory
float8 displacement ( trajectory  trajectory)

This function returns the displacement of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the displacement of the trajectory
interval duration ( trajectory  trajectory)

This function returns the duration of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the duration of the trajectory
float8 gyradius ( trajectory  trajectory)

This function returns the gyradius of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the gyradius of the trajectory
float8 length ( trajectory  trajectory)

This function returns the length of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the length of the trajectory
pointsp masscenter ( trajectory  trajectory)

This function returns the massCenter of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the massCenter of the trajectory
float8 normalizedsamplingrate ( trajectory  trajectory)

This function returns the normalized sampling rate of a trajectory.

Parameters
[in]trajectorythe trajectory
Returns
the normalized sampling rate of the trajectory