Re: Map distorted

From: Ahmed Lasheen <ahmed4kernel_at_nyahnyahspammersnyahnyah>
Date: Mon Jun 02 2014 - 11:16:04 MDT

thanks a lot. Now both images are identical.

---------------
Ahmed L. Shaaban | Graduate Student
Department of Atmospheric and Environmental science (DEAS).
State University of New York (SUNY), University At Albany
1400 Washington Avenue, Albany, NY 12222 | Office ES334
----------------

On Mon, Jun 2, 2014 at 1:11 PM, Rick Brownrigg <brownrig@ucar.edu> wrote:

> Hi Ahmed,
>
> After experimenting with your script a bit, it looks like two things are
> going on:
>
> i) If you want to use the resource
>
> "res@tfDoNDCOverlay = True",
>
> then you definitely need to set
>
> res@mpCenterLonF = 180
>
> or else the data are out of phase 180-degrees with the basemap.
>
> ii) It looks like ncview is using many more contour levels than the
> default in NCL; I got something much more interesting by setting:
>
> res@cnLevelSelectionMode = "EqualSpacedLevels"
> res@cnMaxLevelCount = 50
> res@cnLinesOn = False
>
> I also experimented with different colormaps.
>
> I hope that helps…
> Rick
>
> On Jun 2, 2014, at 10:24 AM, Ahmed Lasheen <ahmed4kernel@gmail.com> wrote:
>
> Hi,
> I plot the file using ncview, and it looks different from the NCL, Values
> are different and output in NCL looks more noisy. I have attached the image
> from ncview. Tanks
>
> ---------------
> Ahmed L. Shaaban | Graduate Student
> Department of Atmospheric and Environmental science (DEAS).
> State University of New York (SUNY), University At Albany
> 1400 Washington Avenue, Albany, NY 12222 | Office ES334
> ----------------
>
>
>
> On Mon, Jun 2, 2014 at 11:40 AM, Rick Brownrigg <brownrig@ucar.edu> wrote:
>
>> Hi Ahmed,
>>
>> What is distorted about the plot? When I ran the script, I get about
>> what I might expect for a global cylindrical-equidistant map.
>>
>> Rick
>>
>> On Jun 1, 2014, at 6:29 PM, Ahmed Lasheen <ahmed4kernel@gmail.com> wrote:
>>
>> Hello all
>> I am trying to plot correlation map from netcdf file(I have attached it),
>> but the output is very distorted. I have attached the script also. I think
>> that there is no missing value or Fill value in the file. I plot the file
>> with ncview and it is different from what I got from the NCL. Any
>> suggestions.
>> Thanks in advance
>> ---------------
>> Ahmed L. Shaaban | Graduate Student
>> Department of Atmospheric and Environmental science (DEAS).
>> State University of New York (SUNY), University At Albany
>> 1400 Washington Avenue, Albany, NY 12222 | Office ES334
>> ----------------
>>
>> <correlation_tem1000_cmap><draw_correlation.ncl>
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>>
>>
>>
> <ncview.corr_map.ps>
>
>
>

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Received on Mon Jun 2 11:16:57 2014

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