VCA Zones
Zones are the detection areas on which VCAcore operate.
To detect a specific behaviour, a zone must be configured to specify the area where a rule applies.
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Zone specific settings
The zone configuration menu contains a range of zone-specific configuration parameters:
![](../../__attachments/2139881857/image-20230627-065719.png?inst-v=86834bbb-50d8-440d-9b6f-3431ba4b14c8)
Name The name of the zone, which appears in event notifications.
Type: The type of the zone. Can be one of:
Detection: A zone that detects tracked objects and to which rules can be applied.
Non-detection: A zone that specifies an area that should be excluded from VCAcore analysis.
Objects are not detected in non-detection zones.
Useful for excluding areas of potential nuisance alarms from a scene (e.g. waving trees, flashing lights, etc).
Shape: The shape of the zone. Can be one of:
Polygon: A polygonal detection area with at least three nodes. Rules apply to the whole area.
Line: A single- or multi-segment line with at least two nodes. Rules apply to the length of the line.
Colour: The colour of the zone.
Configure Rules: A shortcut button to navigate directly to the rules configuration page
Adding a zone
Zones can be added in multiple ways:
Double-click anywhere on the video display.
Click the Create Zone button in the zone settings menu.
Right-click or tap-hold to display the context menu and select the add zone icon
The context menu
Right-clicking or tap-holding (on mobile devices) displays a context menu that contains commands specific to the current context.
![](../../__attachments/2139881857/image-20230627-065739.png?inst-v=86834bbb-50d8-440d-9b6f-3431ba4b14c8)
The possible actions from the context menu are:
![](../../__attachments/2139881857/image-20230627-065754.png?inst-v=86834bbb-50d8-440d-9b6f-3431ba4b14c8)
Creating a zone
Click Create Zone icon
![](../../__attachments/2139881857/image-20230627-065808.png?inst-v=86834bbb-50d8-440d-9b6f-3431ba4b14c8)
Draw zone and set the location to the image
Set name of the zone
Set detection type
Set shape
Define color
Positioning zones
To change the position of a zone, click and drag the zone to a new position. To change the shape of a zone, drag the nodes to create the required shape. New nodes can be added by double-clicking on the edge of the zone or clicking the add node icon from the context menu.
Deleting the zone
Zones can be deleted in the following ways:
Select the zone and click the Delete Zone button from the zone settings menu.
Select the zone, display the context menu and select the delete zone icon