GMImage.GaussianBlurChannel
---------------------------

Gaussian blur image.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [GraphicsMagick](component_GraphicsMagick.md) | [2.0](newinversion20.md) | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |

MBS( "GMImage.GaussianBlurChannel"; ImageRef; ChannelType; Width; sigma ) 

**MBS**( **"GMImage.GaussianBlurChannel";** /\* Gaussian blur image. \*/  
**$ImageRef**; /\* The image reference number.e.g. 1 \*/   
**$ChannelType**; /\* One of the following values: RedChannel = 1 (RGB Red channel), CyanChannel = 2 (CMYK Cyan channel), GreenChannel = 3 (RGB Green channel), MagentaChannel = 4 (CMYK Magenta channel), BlueChannel = 5 (RGB Blue channel), YellowChannel = 6 (CMYK Yellow channel), OpacityChannel = 7 (Opacity channel), BlackChannel = 8 (CMYK Black (K) channel), MatteChannel = 9 (Same as Opacity channel (deprecated)), AllChannels = 10 (Color channels), GrayChannel = 11 (Color channels represent an intensity.)e.g. 1 \*/   
**$Width**; /\* The number of neighbor pixels to be included in the convolution mask is specified by widthe.g. 100 \*/   
**$sigma**) /\* Specifies the standard deviation of the gaussian bell curvee.g. 1 \*/ 

### Parameters

| Parameter | Description | Example |
|---|---|---|
| ImageRef | The image reference number. | 1 |
| ChannelType | One of the following values: RedChannel = 1 (RGB Red channel), CyanChannel = 2 (CMYK Cyan channel), GreenChannel = 3 (RGB Green channel), MagentaChannel = 4 (CMYK Magenta channel), BlueChannel = 5 (RGB Blue channel), YellowChannel = 6 (CMYK Yellow channel), OpacityChannel = 7 (Opacity channel), BlackChannel = 8 (CMYK Black (K) channel), MatteChannel = 9 (Same as Opacity channel (deprecated)), AllChannels = 10 (Color channels), GrayChannel = 11 (Color channels represent an intensity.) | 1 |
| Width | The number of neighbor pixels to be included in the convolution mask is specified by width | 100 |
| sigma | Specifies the standard deviation of the gaussian bell curve | 1 |

### Result

Returns "OK" on success.

### Description

Gaussian blur image.  
This function checks for a license.

Created 18th August 2014 , last changed 18th August 2014

  
[GMImage.GaussianBlur](GMImageGaussianBlur.md) - [GMImage.Geometry](GMImageGeometry.md)

[HTML Version](GMImageGaussianBlurChannel.shtml)