Re: [idvusers] How do you time step 3-hourly NARR data in the IDV?

• To: Mike Umscheid <mike.umscheid@xxxxxxxx>
• Subject: Re: [idvusers] How do you time step 3-hourly NARR data in the IDV?
• From: Tom Whittaker <whittaker@xxxxxxxx>
• Date: Tue, 03 Jan 2012 09:50:23 -0600

Hi Mike...

The display rule is that if the data object has only one time, then it
is displayed along with all other "time steps"; hence, since both 18z
and 21z data have just one "time", they are displayed together.

I'm not familiar with the NARR data or how you are loading it, but
there are a couple of ways to make individual time period data be
combined:

1. using NCML to logically combine times
2. using the Chooser and picking more than one time/file using
SHIFT+click or CTRL+click
3. using the Formula under "Miscellaneous -> Make a time sequence from
single time grids"

Hope this helps.

tom

On Tue, Jan 3, 2012 at 9:13 AM, Mike Umscheid <mike.umscheid@xxxxxxxx> wrote:
> IDV Users,
>
> I'm not sure how many of you interrogate NARR datasets on the IDV, but I'm
> doing more of it now through the IDV using bundles and ISL scripts.  One
> big limitation I am finding is that I cannot time step/animate through more
> than one data file on the Map View pane.  For instance, if you load in
> fields from an 18z file and then also a 21z file, the IDV just displays the
> 21z data right on top of the 18z data.  How do you configure the IDV such
> that for these hourly dataset files you can create animations and step back
> and forth through various times?  Any help/guidance is appreciated!  Thanks,
>
> Mike U
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-- 
Tom Whittaker
University of Wisconsin-Madison
Space Science & Engineering Center (SSEC)
Cooperative Institute for Meteorological Satellite Studies (CIMSS)
1225 W. Dayton Street
Madison, WI  53706  USA
ph: +1 608 262 2759

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