Re: NCL webpage problem

Dear Mary!

Yes you are right that i need to plot that data.
The problem is solved now.
I am grateful for your kind suggestions.

Regards

MUHAMMAD AFZAAL KARORI
Institute of Atmospheric Physics
Chinese Academy of Sciences
Beijing, China

On Thu, Nov 22, 2012 at 1:59 AM, Mary Haley <haley@ucar.edu> wrote:

>
> Dear Muhammad,
>
> You didn't include any code, so I'm not sure exactly what you need to do
> with the lat/lon arrays on the file. It sounds like you want to plot them,
> which I already showed you what you needed to do below.
>
> When you set up your resource list for plotting, you will need to do this:
>
> sst@lon2d = f->lon
> sst@lat2d = f->lat
>
> Where "f" needs to be replaced with whatever variable you used when you
> called "addfile" and "sst" needs to be replaced with whatever your SST
> variable is called.
>
> You might also need to set:
>
> > res@gsnAddCyclic = False
>
> If this doesn't help, then please include your script and a clear
> description of what is not working, or what your exact error messages are,
> if any. Even better, if you can include your data so we can run the script,
> that helps. But, please try what I recommended before you send me any
> scripts or data.
>
> Thanks,
>
> --Mary
>
>
>
>
> On Nov 20, 2012, at 7:06 PM, Muhammad Afzaal wrote:
>
> > Dear Mary!
> >
> > Thank you very much for reply.
> > The file has lat lon coordinates in the form lat(j,i), lon(j,i).
> > Following is the header information of data file. Please advise in the
> light of this information.
> >
> > Thanking you in anticipation!
> >
> > P.S: problem of NCL page loading is solved. Thanks again.
> >
> > ==========================================
> >
> > dimensions:
> > time = 120 // unlimited
> > j = 292
> > i = 362
> > bnds = 2
> > vertices = 4
> > variables:
> > double time ( time )
> > bounds : time_bnds
> > units : days since 1850-01-01 00:00:00
> > calendar : gregorian
> > axis : T
> > long_name : time
> > standard_name : time
> >
> > double time_bnds ( time, bnds )
> >
> > integer j ( j )
> > units : 1
> > long_name : cell index along second dimension
> >
> > integer i ( i )
> > units : 1
> > long_name : cell index along first dimension
> >
> > float lat ( j, i )
> > standard_name : latitude
> > long_name : latitude coordinate
> > units : degrees_north
> > bounds : lat_vertices
> >
> > float lon ( j, i )
> > standard_name : longitude
> > long_name : longitude coordinate
> > units : degrees_east
> > bounds : lon_vertices
> >
> > float lat_vertices ( j, i, vertices )
> > units : degrees_north
> >
> > float lon_vertices ( j, i, vertices )
> > units : degrees_east
> >
> > float tos ( time, j, i )
> > standard_name : sea_surface_temperature
> > long_name : Sea Surface Temperature
> > comment : "this may differ from ""surface temperature"" in
> regions of sea ice."
> > units : K
> > original_name : tos
> > original_units : degC
> > history : 2011-10-06T23:34:59Z altered by CMOR: Converted
> units from 'degC' to 'K'.
> > cell_methods : time: mean
> > cell_measures : area: areacello
> > missing_value : 1e+20
> > _FillValue : 1e+20
> >
> > ====================================================
> >
> > MUHAMMAD AFZAAL KARORI
> > Institute of Atmospheric Physics
> > Chinese Academy of Sciences
> > Beijing, China
> >
> >
> > On Tue, Nov 20, 2012 at 11:37 PM, Mary Haley <haley@ucar.edu> wrote:
> >
> > On Nov 18, 2012, at 5:05 AM, Muhammad Afzaal wrote:
> >
> > > Dear NCL team!
> > >
> > > 1. Thanks for your efforts for always providing a prompt and valueable
> help on NCL issues. However, It has been noticed that the webpage
> http://www.ncl.ucar.edu/ takes very very long time to open, while the
> internet speed ok. is it a problem at my end or at yours? Please see into
> the matter.
> >
> > Hi Muhammad,
> >
> > I haven't had any recent reports of people dealing with slow times on
> the NCL website. We had some problems last week with power, and our
> websites were behaving erratically. We hope to have this fixed by now.
> >
> > >
> > > 2. I have SST data with dimensions (time, j, i) instead of (time, lat,
> lon). How can I assign lat lon to i j. I tried lat2d lon2d function, but
> the data is not placed properly in the display. Any help will be highly
> appreciated.
> >
> > It's possible the file that contains your SST data also contains lat/lon
> information. If you look at your SST variable:
> >
> > printVarSummary(sst)
> >
> > Does it have a "coordinates" attribute? If so, does the coordinates
> attribute say something like "lat lon" or "latitude longitude"? If it
> does, then this likely means that you have variables "lat" and "lon" (or
> "latitude" "longitude") on the file, and you can read these just like you
> did sst:
> >
> > lat = f->lat
> > lon = f->lon
> >
> > Once you have these, then you can use them for plotting:
> >
> > sst@lat2d = lat
> > sst@lon2d = lon
> >
> > You may also need to set (for plotting):
> >
> > res@gsnAddCyclic = False
> >
> > if your data is not global.
> >
> > --Mary
> >
> > >
> > > Thanks a lot!
> > >
> > > MUHAMMAD AFZAAL KARORI
> > > Institute of Atmospheric Physics
> > > Chinese Academy of Sciences
> > > Beijing, China
> > > _______________________________________________
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Received on Wed Nov 21 18:36:16 2012