presentation in the normalized-device
coordinates.
</DD>
</DL>
<BR>
<BR>

<A NAME="36038"></A>
<B>:ndc-point-to-screen</B> <EM>p </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
NDC representation in this viewport, <EM>p</EM>, is transformed into
the physical address on the screen.
</DD>
</DL>
<BR>
<BR>

<A NAME="36049"></A>
<B>:ndc-line-to-screen</B> <EM>p1 p2 &amp;optional (do-clip t) </EM>[method]

<DL COMPACT>
<DT> 
<DD> 
Two 3D float-vectors, <EM>p1</EM> and <EM>p2</EM>, define a line in NDC.
These two end poin