---
title: "BitmapStatisticsProvider..::.GetLuminosityHistogram Method "
canonical: https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetLuminosityHistogram.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# BitmapStatisticsProvider.GetLuminosityHistogram Method 
 
Calculates and returns a histogram built from the bitmap luminosity.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public Function GetLuminosityHistogram As Histogram
```
 
```csharp
public Histogram GetLuminosityHistogram()
```
 
### Return Value
 [Histogram](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Histogram.htm.md) class instance that contains luminosity histogram of this bitmap.
 
## Remarks
  
This histogram is equivalent to the histogram built from the same bitmap converted to grayscale.
   
## See Also

### Reference

- [BitmapStatisticsProvider Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_BitmapStatisticsProvider.htm.md)
- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)