Imagick::charcoalImage

Simulates a charcoal drawing

&reftitle.description; public `bool` `Imagick::charcoalImage` `float` `radius` `float` `sigma`

Simulates a charcoal drawing.

&reftitle.parameters;

`radius`

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

`sigma`

- The standard deviation of the Gaussian, in pixels

&reftitle.returnvalues;

&imagick.return.success;

&reftitle.examples;

### `Imagick::charcoalImage`

    <?php
    function charcoalImage($imagePath, $radius, $sigma) {
        $imagick = new \Imagick(realpath($imagePath));
        $imagick->charcoalImage($radius, $sigma);
        header("Content-Type: image/jpg");
        echo $imagick->getImageBlob();
    }

    ?>