, width, channels</i>---<a
href="http://www.lispworks.com/documentation/HyperSpec/Body/26_glo_v.htm#valid_array_dimension">valid
array dimensions</a>

<hr>

<p><a name="grayscale-image"><i>Type</i> <b>GRAYSCALE-IMAGE</b></a>

<p><b>Supertypes:</b><p><a href="#image"><b>image</b></a>, <a href="http://www.lispworks.com/documentation/HyperSpec/Body/t_array.htm"><b>array</b></a>,
<a href="http://www.lispworks.com/documentation/HyperSpec/Body/t_t.htm"><b>t</b></a>

<p><b>Description:</b>
<p>An <a href="#image"><