<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Hello</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
I am running GrADS scripts that output images at hourly intervals. I would like to change this to display at 30 minute intervals but I cannot see what I need to change. This is my working hourly interval script example</div>
<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><div class="gmail_default">'query time'</div>
<div class="gmail_default">res = subwrd(result,3) ; </div><div class="gmail_default">res1 = subwrd(result,6) ; </div><div class="gmail_default">fcsthr = substr(res,1,3) ; fcstdate = substr(res,4,13) ; fcstday = substr(res1,1,3)</div>
<div class="gmail_default"><br></div><div class="gmail_default">I've tried modifying this but ended up with more characters displayed on the hourly images trying to get the half hourly images working.</div><div class="gmail_default">
<br></div><div class="gmail_default">Any ideas?</div><div><br></div></div></div>