Figure 5-63
Check the Tripwire box to enable tripwire function.
Select SN (Line1/2/3/4) and direction, and then input customized rule name.
No. and Line1/2/3/4: System supports four tripwires. Each SN stands for one tripwire.
Direction: There are three options: A->B, B->A, both. System can generate an alarm
once there is any object crossing in the specified direction.
Now you can draw a rule. Click Draw rule button and then left click mouse to draw a
tripwire. The tripwire can be a direct line, curve or polygon. Right click mouse to complete.
See Figure 5-64.
Figure 5-64
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