---
title: "BitmapStatisticsProvider..::.GetSumHistogram Method "
canonical: https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram.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.GetSumHistogram Method 
 
Calculates and returns a histogram.
 
## Overload List

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [GetSumHistogram(Boolean)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram_1_ea7b1ae4.htm.md) |  Calculates and returns a histogram built from the sum of each channel luminosities of the pixel. You can include or exclude alpha channel from this sum. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [GetSumHistogram(Boolean\[\])](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram_1_c0eb4bcc.htm.md) |  Calculates and returns a histogram built from the sum of each channel luminosities of the pixel. You can exclude some channels from this sum. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [GetSumHistogram(Int32)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_BitmapStatisticsProvider_GetSumHistogram_1_e1836fc4.htm.md) |  Calculates and returns a histogram built from luminosity of the single channel of the pixel. |
   
## See Also

### Reference

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