Hi Jeffrey,<br>I got this display line ( d <b><i>const(u,0)</i></b>;v;mag(u,v) ) at the GrAds documentation...<br>But look an example of the product that I´m trying to do (in annex) (forget the set vpage, etc)<br><br>thanks a lot!<br>
Gabriel<br><br><div class="gmail_quote"><br></div><br>