<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Thanks Jeff. I'm using the wrfems package so I think those options are taken care of in the scripts? I certainly have the grib files working correctly, I just cant get the 30 minutes displayed correctly on the images.</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On 1 August 2014 17:32, Jeff Duda <span dir="ltr"><<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div>Does your data file actually have data at sub-hourly intervals? If so, change the TDEF line in the control file. The last string gives the time increment for each time step change. Set it to 30MN. If your data type is grib, you'll have to rerun gribmap after changing the control file.<br>
<br></div>Jeff Duda<br></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div class="h5">On Fri, Aug 1, 2014 at 6:05 AM, Daniel Nairn <span dir="ltr"><<a href="mailto:dannairn@gmail.com" target="_blank">dannairn@gmail.com</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 class="h5"><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>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br>Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br>
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