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By default, the LPR channel recognizes the LP numbers of all vehicles passing the camera viewing zone: i.e. moving toward the camera and away from the camera. The module can be set to recognize and save the LP numbers of the vehicles moving in certain direction: from From the camera, to To the camera, anyAny. The following results can appear as an outcome of the vehicle movement direction recognition: from From the camera, to To the camera, undefined.

If traffic direction is set, then by default in case if the direction of vehicle movement does not coincide with the specified value, the Entered the oncoming lane alarm event will be created. This event can be disabled. If vehicle movement direction is undefined, the Entered the oncoming lane alarm event is not created.

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To select the movement direction for the vehicles to be recognized, do the following:

1. In the System Settings dialog window, open the Hardware tab (1).
2. In the object tree on the left side of the Hardware tab, select the LPR channel (2). The settings panel of the selected object will open on the right side of the windowGo to the LPR channel object settings panel (2), corresponding to the activated module (see Activating the program module, used for identifying the plates section).
   
3. From the Direction drop-down list, select the required item (3)select the traffic direction relative to the camera in which it is necesary to recognize the LP numbers (3).
4. Set the Undefined checkbox (4) if it is necessary to display the direction as Undefined in the Vehicle Tracker module, if it is not possible to determine the vehicle direction.

5. If the from the camera or to the camera value is selected in the Direction dropdown list, the Record violation checkbox become active becomes available (45). By default this checkbox is set. That means that in case if the direction of vehicle moving is not coincide with the specified value, the Entering an oncoming lane alarm event will be created. If this event should not be created, uncheck the checkbox.

   Info
   title Note.
   The following variations are possible depending on selecting the traffic direction: if the to the camera direction is selected and the Record violation checkbos is set the recognition is performed in both direction; if traffic is performed from the camera the alarm event will be created; if the from the camera direction is selected and the Record violation checkbos is set the recognition is performed in both direction; if traffic is performed to the camera the alarm event will be created; if the to the camera direction is selected and the Record violation checkbos is not set the recognition is performed only in direction to the camera; if the from the camera direction is selected and the Record violation checkbos is not set the recognition is performed only in direction from the camera;

   
   

6. Click Apply (56).

The vehicle movement direction is now selected.