---
title: "BitmapStatisticsProvider.GetSumHistogram Method (Channel)"
canonical: https://www.graphicsmill.com/docs/gm/M_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram_1_5a84e467.htm
product: "Graphics Mill"
---

# BitmapStatisticsProvider.GetSumHistogram Method (Channel)
 
Calculates and returns a histogram built from luminosity of the single channel of the pixel.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public Histogram GetSumHistogram(Channel channel
)
```
 
### Parameters
 
 - channel
     - Type: [Aurigma.GraphicsMill.Channel](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Channel.htm.md)
A [Channel](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Channel.htm.md) to build histogram for.
 
### Return Value
A [Histogram](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Histogram.htm.md) containing sum histogram of this bitmap.
 
## Remarks
 This histogram type is used in Adobe® Photoshop®.
   
## See Also

### Reference

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