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This example demonstrates the ability to enable or disable another rule based on whether a track is detected in the specified area.
Contents
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Configuration
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Nodes
Inputs
Track Sighting Input https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874853893/Rule+Inputs#Track-Sighting-Input
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Time Input https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874853893/Rule+Inputs#Time-Input
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Link
Time Link https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1866498140/Rule+Checks#Time-Link
Time Frame: This defines the length of time the rule will be disabled for. After e.g. 60 In this example, after 8 seconds, the rule will will become active again.
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Check
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Area Check
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https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1866498140/Rule+Checks#Area-Check
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Actions
Rule State https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874854150/Rule+Actions#Rule-State
Enabled: Select to enable a disabled rule. Leave unchecked to disable an enabled rule.
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PPI Example
In this example Disable Rule, an Area Check disables another rule. The area is the Radar Orchard Area, in blue, and the rule is the Gate Rule. Here, track 166 0-1 enters the Radar Approach Orchard Area and therefore disables the Gate Rule; a rule which controls access to the Alarm Field Area (in purple). Track 167 0-2 approaches the Alarm Field Area.
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Because the Gate Rule is disabled, track 167 0-2 does not trigger an alarm by breaking a rule in the Alarm Field Area.
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However, the Gate Rule was only disabled for 1 minute8 seconds. Therefore, nine tracks (on identical paths to 167) and 60 seconds laterafter 8 seconds, the Gate Rule is enabled and track 176 0-2 now breaks the rule and triggers an alarm in the Alarm Field Area.
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Video
The following video demonstrates how to create an Enable / Disable Rule. This rule disables the Gate Rule for 8 seconds when a track enters the Orchard Area. After 8 seconds has elapsed the Gate Rule is enabled and the track that breaks the rule triggers the alarm:
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Related Information
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