Weather Defender Documentation

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Page Revision: 02/09/2009 2:45 PM


Automatically detect approaching weather threats

Automatically detect approaching weather threats


Perimeter Alerts are one of the most powerful features in Weather Defender, providing you with the capability to automatically detect weather threats and be alerted via screen, email, or mobile device in time to take necessary action.


1 - How it Works

Whenever a weather or dynamic layer is updated, Weather Defender performs a scan of all Alert Perimeters monitoring that layer. If an object is located within the specified range (within the green circle), an alert will be triggered and predefined action taken.

  • Flowchart of perimeter scan proc

Everything is customizable: the layers which can be monitored, the location and range of perimeters, and the actions which can be triggered.



2 - Creating a Perimeter

New perimeters can be created using the Perimeter tool from the Map Tab of the toolbar. Click the Perimeter tool button, and then move the mouse cursor to the center of the area you wish to monitor.

Next, left-click and drag the mouse cursor away from the centerpoint. As you do so, a green circle will appear and a measurement line indicating the approximate radius of the perimeter.

When you have achieved the desired size, release the left mouse button.



3 - Perimeter Settings Dialog

When a new perimeter is created, a Settings Dialog will appear. After completing the fields in this dialog, your Perimeter will be established and ready to scan.

Image

3.1 - Setup Tab

The Setup Tab contains options for selecting which layer or layers you want to monitor, and configuring the alert conditions for each layer.

Name

Enter the name you want to assign to this Perimeter. You can name the Perimeter anything, but each Perimeter must have a unique name. The Perimeter's name will be passed along with other information when an alert is triggered.

Layers to Monitor

In the Layers Listing, you will find every layer which may be monitored by your Perimeter. Note that not all layer types are compatible with Alert Perimeters, so you will not see the entire listing of layers from your map here. Only layers which meed the following criteria are listed:

  • Layer is dynamic (updates from the Internet)
  • Layer is vector-based (shapes, lines, or points, but not raster images)
  • Alerting is permitted (certain layers, such as Lightning Hobbyist are restricted from alerting)

Conditions



3.2 - Action Tab





4 - Edit or Delete a Perimeter



5 - Temporarily Disable Perimeters



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