Re: longitude is wrong

From: Yi Wang <yiwang6_at_nyahnyahspammersnyahnyah>
Date: Wed Jun 16 2010 - 18:03:26 MDT

Dear friends,

I am not a native English speaker, if I cannot use English to appropriately
describe the question, please forgive me.

Every time I asked a question, there were always some friends gave me very
kind help. I really appreciate that very much. These friends are very nice!
I want to say THANK YOU VERY MUCH to express my appreciation.

Best wishes,
Yi Wang

On Wed, Jun 16, 2010 at 12:56 PM, Dennis Shea <shea@ucar.edu> wrote:

> *You*, not NCL, specified the latitude and longitudes of the grid.
> NCL is plotting using the lat/lon you provided!!
>
> ======================================
> You say the plot is "wrong" but you do not state
> what is "wrong". We are not familiar with all the assorted HDF products.
> You must be specific when posting to ncl-talk.
>
> The link in the script is for TRMM data ....
>
> When you send a script, please remove all inappropriate
> comments. *** Our time is valuable too!!! ****
>
> ======================================
>
> Also since the grid is 720 x 1440.
> The grids span (say)
>
> lat: -89.5 to 89.5 [ or 89.5 to -89.5]
> lon: -179.5 to 179.5 [or 0.5 to 359.5]
>
> ===
>
> lat=fspan(-90,90,numlat) ; NO!!!
> lon=fspan(-180,180,numlon) ; NO!!
>
> lat@units="degrees_north"
> lon@units="degrees_east"
>
> data&lat = lat
> data&lon = lon
>
> Maybe try:
>
>
> lat=fspan(89.5,-89.5,numlat) ; reverse lat order
>
> or
> lon=fspan(-179.5, 179.5,numlon)
>
> or
> lon=fspan(0.5,359.5,numlon)
>
>
>
>
>
>
> On 06/16/2010 11:08 AM, Yi Wang wrote:
>
>> Hi friends,
>> I used SW_S3E_2003100.20053531923.ncl (see attachment) to plot
>> SW_S3E_2003100.20053531923.hdf
>> (
>> ftp://ftp.hdfgroup.uiuc.edu/pub/outgoing/veer/MAP_DATA/files/PODAAC/SW_S3E_2003100.20053531923.hdf
>> ).
>> However, the output (see the picture in the attachment) is wrong. The
>> longtitude is not correct. Does anyone know how to handle it? Thanks.
>> Best,
>> Yi
>>
>>
>>
>> _______________________________________________
>> ncl-talk mailing list
>> List instructions, subscriber options, unsubscribe:
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>>
>
>
> --
> ======================================================
> Dennis J. Shea tel: 303-497-1361 |
> P.O. Box 3000 fax: 303-497-1333 |
> Climate Analysis Section |
> Climate & Global Dynamics Div. |
>
> National Center for Atmospheric Research |
> Boulder, CO 80307 |
> USA email: shea 'at' ucar.edu |
> ======================================================
>

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Received on Wed Jun 16 18:03:34 2010

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