Re: wmlabs in loop plots symbols at wrong positions

Hi Dave,

I'm not sure what the problem is, because you are correctly setting
the EZF parameter to 1 to indicate you are using these symbols over a
map.

I will check with our weather map expert to see if he has
any ideas about it.

--Mary

On Sat, 3 Feb 2007, Dave Allured wrote:

> Hello.
>
> I am trying to use the wmlabs procedure to plot dot symbols on a map. I am
> outputting multiple frames, so gsn_csm_contour_map_ce and wmlabs are called
> within a loop. I am following roughly the NCL sample program
> weather_sym_4.ncl.
>
> In the first frame, the dots plot at the expected coordinates. However, in
> the second frame, the dots plot at completely unexpected positions. They are
> still in the same relative positions, but the scale and origin of the X and Y
> coordinates have been shifted. In subsequent frames, the dots remain in the
> same incorrect positions.
>
> The problem goes away when gsn_csm_map is substituted for
> gsn_csm_contour_map_ce. But I need the contour function to show my data over
> the base map.
>
> Can anyone tell me what the problem is? Attached is a demo script. Any
> input file with gridded data on (lat, lon) coordinates should work. Thank
> you.
>
> NCL version = 4.2.0.a034
> uname -a output:
> Darwin mac56.cdc.noaa.gov 8.8.0 Darwin Kernel Version 8.8.0: Fri Sep 8
> 17:18:57 PDT 2006; root:xnu-792.12.6.obj~1/RELEASE_PPC Power Macintosh
> powerpc
>
> --Dave A.
> CU/CIRES Climate Diagnostics Center (CDC)
> NOAA/ESRL/PSD, Climate Analysis Branch (CAB)
>
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Received on Wed Feb 07 2007 - 10:06:29 MST