
<B>:edge1</B> <I>&amp;optional (method 1) [method]
<BR>(th1 *edge-intensity-threshold*) (th2 *weak-edge-threshold*)
<BR>(run *edge-length-threshold*) (win *color-viewer*)</I>
</TT></PRE>

<DL COMPACT>
<DT> 
<DD>detects edge of this image. And displays this edge on this image.
</DD>
</DL>
<BR>
<BR>

<A NAME="39851"></A>
<B>:hex</B> <EM>&amp;optional (x 0) (y 0) (w 16) (h 16) (strm t) </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
prints pixel data in the specified rectangular region
in the hexadecimal format.
</DD