R>:yon 		 1000.0 
<BR>:aspect 		 1.0  
<BR>:screen 		 100.0 
<BR>:screen-x 		 screen 
<BR>:screen-y 		 (* screen-x aspect) 
<BR>&amp;allow-other-keys</I>
</TT></PRE>

<DL COMPACT>
<DT> 
<DD>initializes viewing and projection.
</DD>
</DL>
<BR>
<BR>

<P>
<BR>
<BR>

<P>
	<BR> 
<A NAME="36473"></A>
<BIG CLASS="XLARGE"><B>parallel-viewing </B></BIG> [class]  <PRE><TT>
  :super   <B>projection</B> 
<BR>  :slots 		 () 
</TT></PRE>
<BR>
<BR>

<DL COMPACT>
<DT> 
<DD>defines parallel projection.
<B>Hid</B> (the hidde