TYPE ps
</pre>
</dd>

<dt>PGPLOT_ENVOPT</dt>

<dd><i>Character string.</i> This affects programs that call routine <a href="subroutines.html#PGENV">PGENV</a>. The characters supplied are options for <a href="subroutines.html#PGBOX">PGBOX</a> (in addition to those assumed by default by PGENV), i.e., `BCNST'. Useful options include `G' to draw a grid, `V' to draw y-axis labels upright, `I' to draw axis tick marks outside the box instead of inside, `1' or `2' to change the numeric label style. e.g. 

<pre>sete