nvideo-VideoEventManager
This view discovers and adds video events (motion detected, camera fault, etc.) to the database.
Figure 40. Example of a Video Event Manager view
You access this view for any video camera by expanding , followed by expanding the video network through the camera node in the Nav tree, then double-clicking the Events node.
Columns
| Driver | Column | Description |
|---|---|---|
| all | Path |
Identifies the location of the device or event in the station. For example, it defines the path to the resource in the web
service, that is, the path after the host address.
|
| Name |
Provides descriptive text that reflects the identity of the entity or logical grouping.
|
|
| Type | Reports the type of device. | |
| Facets | Reports the unit of measure or text assigned to each Boolean, Numeric or String facet. This is how the point facets are configured to report on each type of event. | |
| Out | Reports the current value of the point. | |
| nmilestone | Point ID | Identifies the point. |
| maxpro | Maxpro Event Type Enum |
Identifies the source of the event.
External Event Generic Event Motion Detected indicates that motion has been detected: true or false. |
| naxisvideo | Event Server | Reports the name of the event server. |
| Motion Window | Reports the name of the window that monitors any type of motion within its boundary. The area of a video screen defines this window. | |
| Action Start | Displays the text that appears when an action begins. | |
| Action Stop | Displays the text that appears when an action stops. | |
| Niagara Event Type | Reports the type of event: Motion Started, Motion Stopped, Tamper, Fault, Custom Event, Null Event. | |
| Enable Detection On Boot | Indicates if the driver detects and event when it starts. |
Buttons
The Database pane lists the devices that are currently in the system database. You double-click an item to edit available device properties.
These control buttons perform unique functions related to discovery:
- New Folder creates a new folder for organizing events in the view.
- New adds an event to the database.
- Edit updates an existing event in the database.
- Discover opens the Discover window, which defines the database search. Based on this information, the discovery job interrogates the target location for data, such as historical and current events as well as information.
- Cancel stops the discovery.
- Add moves one or more discovered items from the Discovered pane to the Database pane. It is available when items are selected (highlighted) in the Discovered pane. Before the item(s) are added, a window opens with properties to configure them.
- Match connects an event record that is already in the database (usually an item previously added off line) with a discovered event. This button is available only when you select an item in both the Database pane and the Discovered pane of a manager view. The added item assumes the properties defined for it by the record in the database. You can edit properties after adding the item.
- TagIt adds metadata to the event record to facilitate later searches.