Trajectory:Trajectory Mode Property

NI GNSS Simulation Toolkit Help

Edition Date: April 2013

Part Number: 372446D-01

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Short Name: Trajectory Mode

Property of niGPS

Specifies the format used for specifying the trajectory.

The following is an example of valid syntax in a trajectory script when the Trajectory Script Climb Enabled property is set to FALSE.

begin

straight heading_type distance duration

arc turn_radius turn_angle duration

halt heading_type duration

waypoint heading_type latitude longitude altitude speed

waypoint heading_type latitude longitude altitude duration=duration_time

end

The following is an example of valid syntax in a trajectory script when the Trajectory Script Climb Enabled property is set to TRUE.

begin

straight heading_type distance duration altitude_change

arc turn_radius turn_angle duration altitude_change

halt heading_type duration

waypoint heading_type latitude longitude altitude speed

waypoint heading_type latitude longitude altitude duration=duration_time

end

Refer to the Trajectory Script Syntax topic for more information about the valid syntax to use in trajectory script files for each trajectory command.

The following figure shows the allowed velocity formats based on the trajectory mode.

The default value is Simple.

Simple (0)

Set the trajectory mode to Simple when there is no predefined path. You must specify the receiver location, velocity, and acceleration. Otherwise, the toolkit uses the default values for these properties.

Script (1)

Set the trajectory mode to Script if there is a predefined path or list of waypoints to simulate. Set the Receiver Velocity Format property to LTP(SpeedHeading), if the Trajectory Script Climb Enabled property is set to FALSE. Otherwise, set it to any format supported by the toolkit. However, do not set the Receiver Acceleration Format property. The acceleration values are internally computed based on a provided trajectory script file, which must be specified in a text file.

Remarks

The following table lists the characteristics of this property.

Datatype /images/reference/en-XX/help/372446D-01/ci32.gif
PermissionsRead/Write
ResettableNo

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