>:zoom</B> returns new view angle in radian.
</DD>
</DL>
<BR>
<BR>

<A NAME="36579"></A>
<B>:lookaround</B> <EM>alfa beta </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
translates and rotates the viewpoint.
The center of rotation is taken at 
the midst of the hither plane and the yon plane on the viewline.
The viewing coordinates is rotated <EM>alfa</EM> radian around world's z-axis
and <EM>beta</EM> radian around x-axis locally.
<B>:lookaround</B> allows you to move around the object in the center of
viewing.
</D