 a vector of these values.
</DD>
</DL>
<BR>
<BR>

<A NAME="39601"></A>
<B>:digitize</B> <EM>threshold &amp;optional (val0 0) (val1 255) result </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
translates this image into 2 levels image <EM>val0</EM> and <EM>val1</EM>
using <EM>threshold</EM>.
</DD>
</DL>
<BR>
<BR>

<A NAME="39614"></A>
<B>:and</B> <EM>img2 </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
bit-and operates between this image and <EM>img2</EM>,
 and returns operated pixel-image.
</DD>
</DL>
<BR>
<BR>

<A NAME="39