 ALIGN="CENTER"><A NAME="35767"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 13:</STRONG>
viewing coords and projection planes</CAPTION>
<TR><TD>
<DIV ALIGN="CENTER">
<IMG
 WIDTH="655" HEIGHT="443" ALIGN="BOTTOM" BORDER="0"
 SRC="manual-img115.png"
 ALT="\includegraphics[height=10cm]{fig/viewcoords.ps}">

</DIV></TD></TR>
</TABLE>
</DIV>

<P>

 <BR>
<BR> <P>
	<BR> 
<A NAME="36254"></A>
<BIG CLASS="XLARGE"><B>viewing </B></BIG> [class]  <PRE><TT>
  :super   <B>cascaded-coords</B> 
<BR>  :slots 		 (vie