>, and <TT>body</TT> objects are drawn
by corresponding <EM>:draw-xxx</EM> methods defined in viewer.
</DD>
</DL>
<BR>
<BR>

<A NAME="37053"></A>
<B>:erase</B> <EM>&amp;rest things </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
draws <EM>things</EM> with background color.
</DD>
</DL>
<BR>
<BR>

<A NAME="37064"></A>
<B>:init</B> <EM>&amp;key :viewing :viewport :viewsurface </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
sets <EM>viewing, viewport</EM> and <EM>viewsurface</EM> to <TT>eye, port</TT>,
and <TT>surface</TT> slo