<div class="gmail_quote"><br>You're doing nothing wrong - it's returning distance^2<div><br></div><div>Regards,</div><div>Paul</div><div><br><div class="gmail_quote"><div><div></div><div class="h5">On 5 May 2010 10:24, Stephen Wornom <span dir="ltr"><<a href="mailto:stephen.wornom@sophia.inria.fr" target="_blank">stephen.wornom@sophia.inria.fr</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div></div><div class="h5">I want to calculate the distance between two points in the x-direction<br>
point 1= 0.5<br>
point 2= 2.0<br>
The PV distance calculated = 2.25<br>
Obviously incorrect, what am I doing wrong?<br>
Thanks in advance,<br>
Stephen<br><font color="#888888">
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