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	You are here: Start » Filter Reference » Histogram » Histogram Basics » SkipEmptyHistogram
| Module: | FoundationBasic | 
|---|
If the input histogram contains at least one bin, then it is copied to the output; otherwise Nil is returned.
Applications
Secures against domain errors caused by empty histograms, e.g. just before the HistogramAverage filter is to be invoked.
| Name | Type | Description | |
|---|---|---|---|
![]()  | 
				inHistogram | Histogram | Input histogram | 
![]()  | 
				outNotEmptyHistogram | Histogram? | The histogram, if it is not empty | 
![]()  | 
				outIsNotEmpty | Bool | Indication if the input histogram is not empty | 
Complexity Level
This filter is available on Basic Complexity Level.

 Basic
