bidirectional. Unidirectional is crossing the line from left to right or from right to left.
Bidirectional is crossing the line from both directions.
A series of linkage methods can be triggered if an object is detected crossing the line.
To define cross line detection:
1. From the menu toolbar, click
Configuration
>
Smart Event
>
Cross Line
.
2. Select the
Enable Cross Line Detection
check box to enable the function.
3. Click
Draw Area
, and a crossing plane will show on the image.
4. Click the line and two red squares appear at each end. Drag one of the red squares
to define the arming area.
Select the direction as A<->B, A ->B, or B->A from the drop-down menu:
A<->B:
Only the arrow on the B side is displayed. When an object moves across the
plane in both directions, it is detected and alarms are triggered.
A->B:
Only an object crossing the pre-defined line from the A to the B side can be
detected and trigger an alarm.
B->A:
Only an object crossing the pre-defined line from the B to the A side can be
detected and trigger an alarm.
5. Set the sensitivity level between 1 and 100.
6. If required, select another line crossing area to configure from the dropdown menu.
Up to four line crossing areas can be configured.
7. Click
Edit
to set the arming schedule for the alarm input. See “Motion detection
alarms” on page 30 for more information.
8. Specify the linkage method when an event occurs. Select one or more response
methods for the system when a line cross detection alarm is triggered.
TruVision Stainless Steel IP Cameras Configuration Manual
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