# Imagick::charcoalImage

(No version information available, might be only in CVS)

Imagick::charcoalImage — Simulates a charcoal drawing

### Description

bool Imagick::charcoalImage ( float `$radius` , float `$sigma` )
Warning

This function is currently not documented; only the argument list is available.

Warning

This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

Simulates a charcoal drawing.

### Parameters

`radius`

  The radius of the Gaussian, in pixels, not counting the center pixel

`sigma`

  The standard deviation of the Gaussian, in pixels

### Return Values

Returns `TRUE` on success.