Dahua NVR100 series User Manual page 287

Select direction, and then input customized rule name.

Preset: Select a preset you want to use behavior analytics.

Name: Input customized rule name.

Direction (A→B/B→A/A↔B): System can generate an alarm once there is any object crossing in the
specified direction.

Target filter: Click
Once the object is smaller than the min size or larger than the max size, there is no alarm. Please
make sure the max size is larger than the min size.
Now you can draw a rule. Left click mouse to draw a tripwire. The tripwire can be a direct line, curve or
polygon. Right click mouse to complete.
Tips
Click to delete the corresponding rule.
Click , you can see the following interface. See Figure 4-125.
You can refer to the following information to set other parameters.

Channel: Select a channel from the dropdown list to set tripwire function.

Enable: Check the box here to enable tripwire function.

Rule: input customized rule name here.

Period: Click set button, you can see an interface is shown as in Figure 4-115. Here you can set
tripwire period. System only enables tripwire operation in the specified periods. There are two ways
for you to set periods. Please note system only supports 6 periods in one day.
Figure 4-124
, you can set filter object size. Each rule can set two sizes (min size/max size).
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