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If the input region contains at least one pixel, then it is copied to the output; otherwise Nil is returned.
Name | Type | Description | |
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inRegion | Region | Input region |
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outNotEmptyRegion | Region? | |
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outIsNotEmpty | Bool |
Applications
Secures against domain errors caused by empty regions, e.g. just before the RegionMassCenter filter is to be invoked.
Complexity Level
This filter is available on Basic Complexity Level.