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7.10.6 Tripwire detection
Enable tripwire: The tripwire function detects whether an object crosses a virtual
line in the video image in a certain direction or both directions.
Then, an event can be triggered.
Preview video: configure the virtual line here.
Max. size: This function determines the maximum size of the object to be
detected. This is done by drawing a rectangle in the preview video.
The rectangle can be drawn anywhere in the preview video.
Min. size: This function determines the minimum size of the object to be
detected. This is done by drawing a rectangle in the preview video.
The rectangle can be drawn anywhere in the preview video.
Drawing: a virtual line appears in the preview video after the button is
pressed. It is then possible to click on this line and move it using
the mouse and the red corner points. "A" and "B" indicate the
directions.
Delete: delete the virtual line
Virtual plane: number of available virtual lines: 1
Direction: definition of the direction(s) in which an object crosses and triggers an
event.
Sensitivity: The higher the value, the earlier a crossing object is detected.
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