---
title: "UnsharpMask Constructor (Single, Single, Single)"
canonical: https://www.graphicsmill.com/docs/gm/C_Aurigma_GraphicsMill_Transforms_UnsharpMask_ctor_3_cc4643a0.htm
product: "Graphics Mill"
---

# UnsharpMask Constructor (Single, Single, Single)
 
Initializes a new instance of the [UnsharpMask](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Transforms_UnsharpMask.htm.md) class using the specified settings.
 
**Namespace:** [Aurigma.GraphicsMill.Transforms](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Transforms.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public UnsharpMask(float amount,float radius,float threshold
)
```
 
### Parameters
 
 - amount
     - Type: System.Single
The unsharp mask amount. You can change it later using the [Amount](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Transforms_UnsharpMask_Amount.htm.md) property.

 - radius
     - Type: System.Single
The blur radius used to produce unfocused version of the image. You can change it later using the [Radius](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Transforms_UnsharpMask_Radius.htm.md) property.

 - threshold
     - Type: System.Single
The threshold value for the unsharp mask in range [0, 1]. You can change it later using the [Threshold](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Transforms_UnsharpMask_Threshold.htm.md) property.
   
## See Also

### Reference

- [UnsharpMask Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Transforms_UnsharpMask.htm.md)
- [UnsharpMask Overload](https://www.graphicsmill.com/docs/gm/O_T_Aurigma_GraphicsMill_Transforms_UnsharpMask_ctor.htm.md)
- [Aurigma.GraphicsMill.Transforms Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Transforms.htm.md)