Re: Drawing fronts

James,

I think your problem is in suppressing the frame call, then
drawing the plot and the front, and then calling frame.
I have attached an NCL code that follows your logic.
If this does not help, please send a complete example.

Regards,

Fred Clare

On Dec 29, 2008, at 2:47 PM, Correia, James wrote:

> All-
> Does anyone have a good understanding of wmdrft or script which draws
> fronts?
>
> I am having trouble getting the specified fronts to appear. I am
> attempting
> to plot a series of times and overlay the fronts. This is done from
> a loop.
> However, only the first call to wmdrft produces a front:
>
> Calling sequence:
> Do I=0,4
> Plot = gsn_csm_vector_scalar()
> Wmdrft()
>
> Plot = gsn_csm_vector_scalar()
> Wmdrft()
>
> End do
>
> The first call to wmdrft produces a front on the second call to
> gsn_csm_scalar_vector.
>
> So, does draw or frame need to be called after wmdrft to force the
> front
> onto the frame? Or should wmdrft be called first? Or am I missing
> something
> obvious?
>
> I am experimenting with this, so the reason I am calling the gsn
> plotting
> routine is to overlay my front positions with the data so I can
> refine its
> placement.
> Thanks for any insight.
>
>
>
> James Correia Jr., PhD
> Climate Physics Group
> Post. Doc.
> Pacific Northwest National Lab
>
> "Wisdom. Strength. Courage. Generosity. Each of us are born with one
> of
> these. It is up to us to find the other three inside of us."
> -Into the West
>
>
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