[ncl-talk] grid_area_avg
Mary Haley
haley at ucar.edu
Fri Oct 20 09:44:35 MDT 2017
Kunal,
Multiple people have tried to help you, but you continue to post error
messages without trying to debug them yourself. If you don't make an
effort, people are likely to stop trying to help. You are including code
snippets, but this is not always enough for us to help you debug the
problem. You need to include full scripts, output from
print/printVarSummary commands, AND all error messages.
For example, you originally included this code:
latv = (/ 18, 24/) ; for extracting grid box data
lonv = (/ 74, 78 /)
nm = getind_latlon2d (lat2d, lon2d, latv, lonv)
ilt1 = nm(0,0) ; start lat index
ilt2 = nm(1,0) ; start lon index
iln1 = nm(0,1) ; end lat index
iln2 = nm(1,1) ; end lon index
lat_subset := lat2d(ilt1:ilt2,iln1:iln2)
lon_subset := lon2d(ilt1:ilt2,iln1:iln2)
aot_subset := data
aot_subset(ilt1:ilt2,iln1:iln2) := data(ilt1:ilt2, iln1:iln2)
;printVarSummary(aot_subset)
aot_avg = avg(data)
aot_subset_avg = avg(aot_subset)
and then said that you were getting an error about aot_subset being
undefined. From the perspective of somebody who is just looking at the code
snippet above and doesn't have access to your full script, we are going to
wonder about this line:
aot_subset := data
Since this appears to be the first time aot_subset is set, our next
question is going to be "is data defined"? In the code snippet you
included, we don't see where "data" is defined, so we have no way to help.
This is where a "printVarSummary(data)" line would have helped.
In your last email, in which you did include some information about "data",
things are still not making any sense. You said you were subsetting data as
a 2D array with:
aot_subset(ilt1:ilt2,iln1:iln2) = data(ilt1:ilt2,iln1:iln2)
which you said was causing this error:
fatal:["Execute.c":7950]:Number of subscripts on right-hand-side do not
match
number of dimensions of variable: (2), Subscripts used: (3)
This error doesn't seem possible, because it's saying that you are using 3
subscripts, but the line only has 2 subscripts being used in both arrays.
Are you positive that this error is coming from this line?
I have to ask you again to please include your *full script* next time and *all
error messages* and *all printed output*, so people can see exactly what
line numbers in your script the errors correspond with and what your data
looks like. But don't do this until you have shown that you tried to debug
the problem yourself. Use "print" and "printVarSummary" *before* the
locations where the error messages are occurring, so you can see what might
be causing the error.
For example, if the error says
number of dimensions of variable: (2), Subscripts used: (3)
then this means you are subscripting a variable as if it were a 2D array,
when it is actually a 3D array. Add *printVarSummary* statements on ALL
subscripted variables that occur in that line, so you can be sure you are
doing things correctly. For example, if the error occurs on this line:
aot_subset(ilt1:ilt2,iln1:iln2) := data(ilt1:ilt2, iln1:iln2)
then do this:
printVarSummary(data)
printVarSummary(aot_subset)
aot_subset(ilt1:ilt2,iln1:iln2) := data(ilt1:ilt2, iln1:iln2)
It may also help to print the il* variables:
printVarSummary(data)
printVarSummary(aot_subset)
print("ilt1 = " + ilt1)
print("ilt2 = " + ilt2)
print("iln1 = " + iln1)
print("iln2 = " + iln2)
aot_subset(ilt1:ilt2,iln1:iln2) := data(ilt1:ilt2, iln1:iln2)
Moving forward, you *must* show that you are making some effort to debug
your problem.
Thank you for your consideration.
--Mary
On Wed, Oct 18, 2017 at 12:23 AM, Kunal Bali <kunal.bali9 at gmail.com> wrote:
> printVarSummary(aot_subset), shows that aot_subset is undefined, which I
> am unable to fix this problem yet.
>
> If I used aot_subset(ilt1:ilt2,iln1:iln2) *=* data(ilt1:ilt2,iln1:iln2) *instead
> of *aot_subset(ilt1:ilt2,iln1:iln2) *:= *data(ilt1:ilt2,iln1:iln2)
>
> then the error appeared as
>
>
>
>
> *fatal:["Execute.c":7950]:Number of subscripts on right-hand-side do not
> match number of dimensions of variable: (2), Subscripts used:
> (3)*
> basically, the data summary is
>
> Variable: fnames
> Type: string
> Total Size: 8 bytes
> 1 values
> Number of Dimensions: 1
> Dimensions and sizes: [1]
> Coordinates:
> (0) ./maiactaotE.h00v03.20000550525-20003660700.nc
>
> Variable: data
> Type: float
> Total Size: 2545920000 <(254)%20592-0000> bytes
> 636480000 values
> Number of Dimensions: 3
> Dimensions and sizes: *[time | 442] x [YDim_grid1km | 1200] x
> [XDim_grid1km | 1200]*
> Coordinates:
> time: [1301.416666666686..8767]
> Number Of Attributes: 8
> coordinates : GridLat_grid1km, GridLon_grid1km
> hdfeos_name : Optical_Depth_055
> projection : Albers Conical Equal_Area
> unit : None
> long_name : AOT at 0.55 micron
> _FillValue_original : -28672
> _FillValue : -28672
> valid_range : ( -0.1, 5 )
> (0) latitude (degrees_north) : min=11.2940312768897
> max=24.54921980985786
> (0) longitude (degrees_east) : min=68.08003670367275
> max=81.63171349927691
>
>
>
> *fatal:["Execute.c":7776]:aot_subset is undefined, can not subscript an
> undefined variablefatal:["Execute.c":8640]:Execute: Error occurred at or
> near line 38 in file test_extract.ncl*
> *38 line is *
>
>
> *aot_subset(ilt1:ilt2,iln1:iln2) = data(ilt1:ilt2,iln1:iln2)*
>
> *fatal:Variable (aot_subset) is undefined*
>
>
>
>
>
>
> regards
> Kunal Bali
>
>
>
>
>
> On Tue, Oct 17, 2017 at 3:05 PM, Guido Cioni <guidocioni at gmail.com> wrote:
>
>> Why did you comment this line ?
>>
>> ;printVarSummary(aot_subset)
>>
>>
>> That would have helped you in debugging the error on your own.
>>
>> You are using the re-assignment operator ":=". This means that every time
>> you make an assignment the variable is created again. Thus, you cannot make
>> this assignment
>>
>> * aot_subset(ilt1:ilt2,iln1:iln2) := data(ilt1:ilt2, iln1:iln2)*
>>
>>
>> as NCL has no way to know the shape of aot_subset beforehand.
>>
>> The following should be used instead (notice the assignment with "=" in
>> the second line).
>>
>> aot_subset := data
>> aot_subset = aot_subset at _FillValue
>> aot_subset(ilt1:ilt2,iln1:iln2) *=* data(ilt1:ilt2, iln1:iln2)
>>
>> Notice that this will (1) create an array which is shaped like data (2)
>> fill it with fill values as you only want to compute the average over the
>> subset (3) populate the array only in the lat-lon box provided. However I
>> don't see why you would want to use such a complicated syntax when the
>> following code would produce the same result
>>
>> aot_subset_avg=avg(data(ilt1:ilt2, iln1:iln2))
>>
>> If you have the right coordinate attributes you can even jump the first 7
>> lines and do
>>
>> aot_subset_avg=avg(data({18:24},{74:78})
>>
>> but I don't know your data.
>>
>> As it was already suggested by Mary and others, PLEASE take time to debug
>> the errors on your own.
>>
>> Regards,
>>
>> On 17. Oct 2017, at 11:25, Kunal Bali <kunal.bali9 at gmail.com> wrote:
>>
>>
>> I did the following changes but still getting an error of *aot_subset*
>> which is undefined.
>> please let me know that how to fix or defined the *aot_subset *this
>> problem.
>>
>>
>>
>> latv = (/ 18, 24/) ; for extracting grid box data
>> lonv = (/ 74, 78 /)
>> nm = getind_latlon2d (lat2d, lon2d, latv, lonv)
>> ilt1 = nm(0,0) ; start lat index
>> ilt2 = nm(1,0) ; start lon index
>> iln1 = nm(0,1) ; end lat index
>> iln2 = nm(1,1) ; end lon index
>> lat_subset := lat2d(ilt1:ilt2,iln1:iln2)
>> lon_subset := lon2d(ilt1:ilt2,iln1:iln2)
>> aot_subset := data
>> * aot_subset(ilt1:ilt2,iln1:iln2) := data(ilt1:ilt2, iln1:iln2)*
>>
>> ;printVarSummary(aot_subset)
>> aot_avg = avg(data)
>> aot_subset_avg = avg(*aot_subset*)
>>
>> ;print(nm)
>> print("-----")
>>
>> do k=0,dimsizes(latv)-1
>> n = nm(k,0)
>> m = nm(k,1)
>> print(lat2d(n,m)+" "+lon2d(n,m))
>> print(" "+data(:,n,m)) ; nearest grid point
>> at all time steps
>> print("-----")
>> end do
>>
>>
>>
>>
>> regards
>> Kunal Bali
>>
>>
>>
>>
>>
>>
>> On Tue, Oct 17, 2017 at 12:41 PM, Kunal Bali <kunal.bali9 at gmail.com>
>> wrote:
>>
>>> I have sent the ncl script and data to the incoming dir with the given
>>> names as
>>>
>>> data = maiactaotE.h00v03.20003660525-20003660700.nc.bz2
>>> ncl_script = extract_iiserb.ncl
>>>
>>> I am not able to define the var_subset in the given script.
>>> please let me know if you have received the data and script?
>>>
>>>
>>>
>>>
>>>
>>> Kunal Bali
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Mon, Oct 16, 2017 at 11:07 PM, Mary Haley <haley at ucar.edu> wrote:
>>>
>>>> Kunal,
>>>>
>>>> You must make an effort to debug some of these problems on your own.
>>>> The error is telling you that something is wrong around line 34 and it is
>>>> telling you exactly what the problem is. Please try to fix this error.
>>>>
>>>> If you continue to have problems after fixing this error, then I need
>>>> to ask you to provide the full script and data via ftp:
>>>>
>>>> http://www.ncl.ucar.edu/ftp_files.shtml
>>>>
>>>> However, make sure you debug any other new problems that come up,
>>>> instead of just emailing them to ncl-talk. We have a page to help you
>>>> understand some of NCL's errors, and what causes them:
>>>>
>>>> http://www.ncl.ucar.edu/Document/Language/error_messages.shtml
>>>>
>>>> The particular error you're seeing can be found here:
>>>>
>>>> http://www.ncl.ucar.edu/Document/Language/error_messages.sht
>>>> ml#NumSubRHS
>>>>
>>>> As a side note, you are running a 3-year old version of NCL. I suggest
>>>> that you upgrade to NCL V6.4.0.
>>>>
>>>> --Mary
>>>>
>>>>
>>>>
>>>> On Mon, Oct 16, 2017 at 12:52 AM, Kunal Bali <kunal.bali9 at gmail.com>
>>>> wrote:
>>>>
>>>>> I simply include the code (which you mentioned) were I was taking the
>>>>> avg of the data as given below (please correct me if I did wrong)
>>>>>
>>>>>
>>>>> ;-----------------------------------------------------------
>>>>> -----------
>>>>> ; Main code
>>>>> ;-----------------------------------------------------------
>>>>> -----------
>>>>> dir = "./"
>>>>> fnames = systemfunc("ls " + dir + "maiactaot*.nc")
>>>>> print(fnames)
>>>>> a = addfile(fnames,"r")
>>>>> data = short2flt(a->Optical_Depth_055_grid1km)
>>>>> printVarSummary (data)
>>>>> printMinMax (data, 0)
>>>>> print("-----")
>>>>> nFill = num(ismissing(data))
>>>>> print("nFill="+nFill)
>>>>> print("-----")
>>>>>
>>>>> lat2d = a->GridLat_grid1km
>>>>> lon2d = a->GridLon_grid1km
>>>>> printMinMax (lat2d, 0)
>>>>> printMinMax (lon2d, 0)
>>>>> print("-----")
>>>>>
>>>>> ;---grid points of interest
>>>>> ;---http://www.ncl.ucar.edu/Document/Functions/Contributed/g
>>>>> etind_latlon2d.shtml
>>>>> ; latv = (/22, 24.0, 24.0, 22.0, 22.0/)
>>>>> ; lonv = (/76, 76.0, 78.0, 78.0, 76.0/)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> *latv = (/ 22, 24/) lonv = (/ 76, 78 /) nm = getind_latlon2d
>>>>> (lat2d, lon2d, latv, lonv) ilt1 = nm(0,0) ; start lat index ilt2 =
>>>>> nm(1,0) ; start lon index iln1 = nm(0,1) ; end lat index iln2 =
>>>>> nm(1,1) ; end lon index var_subset = var(ilt1:ilt2,iln1:iln2)
>>>>> var_subset_avg = avg(var_subset)*
>>>>>
>>>>> print(nm)
>>>>> print("-----")
>>>>>
>>>>> do k=0,dimsizes(latv)-1
>>>>> n = nm(k,0)
>>>>> m = nm(k,1)
>>>>> print(lat2d(n,m)+" "+lon2d(n,m))
>>>>> print(" "+data(:,n,m)) ; nearest grid
>>>>> point at all time steps
>>>>> print("-----")
>>>>> end do
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> *But still not getting the desired output as a single square box mean
>>>>> value . It is showing the errors as*
>>>>>
>>>>> kunal at kunal-Vostro-1015:/media/Local Disk_/IIT_DELHI/2001/MAIACTAOT_TIME$
>>>>> ncl extract1.ncl
>>>>> Copyright (C) 1995-2014 - All Rights Reserved
>>>>> University Corporation for Atmospheric Research
>>>>> NCAR Command Language Version 6.2.1
>>>>> The use of this software is governed by a License Agreement.
>>>>> See http://www.ncl.ucar.edu/ for more details.
>>>>>
>>>>>
>>>>> Variable: fnames
>>>>> Type: string
>>>>> Total Size: 4 bytes
>>>>> 1 values
>>>>> Number of Dimensions: 1
>>>>> Dimensions and sizes: [1]
>>>>> Coordinates:
>>>>> (0) ./maiactaot.h00v02.20010040635-20011550640.nc
>>>>>
>>>>> Variable: data
>>>>> Type: float
>>>>> Total Size: 40320000 bytes
>>>>> 10080000 values
>>>>> Number of Dimensions: 3
>>>>> Dimensions and sizes: [time | 7] x [YDim_grid1km | 1200] x
>>>>> [XDim_grid1km | 1200]
>>>>> Coordinates:
>>>>> time: [8862.583333333314..12486.66666666669]
>>>>> Number Of Attributes: 8
>>>>> coordinates : GridLat_grid1km, GridLon_grid1km
>>>>> hdfeos_name : Optical_Depth_055
>>>>> projection : Albers Conical Equal_Area
>>>>> unit : None
>>>>> long_name : AOT at 0.55 micron
>>>>> _FillValue_original : -28672
>>>>> _FillValue : -28672
>>>>> valid_range : ( -0.1, 5 )
>>>>> (0) AOT at 0.55 micron: min=0 max=3.924
>>>>> (0) -----
>>>>> (0) nFill=6285271
>>>>> (0) -----
>>>>> (0) latitude: min=21.86737357453027 max=34.99855492029426
>>>>> (0) longitude: min=64.23634233372005 max=79.4747290253718
>>>>> (0) -----
>>>>> fatal:["Execute.c":7863]:Number of subscripts on right-hand-side do
>>>>> not match
>>>>> number of dimensions of variable: (2), Subscripts used: (3)
>>>>>
>>>>> fatal:["Execute.c":8578]:Execute: Error occurred at or near line 34
>>>>> in file extract1.ncl
>>>>>
>>>>> fatal:Variable (var_subset) is undefined
>>>>> fatal:["Execute.c":8578]:Execute: Error occurred at or near line 35
>>>>> in file extract1.ncl
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Variable: nm
>>>>> Type: integer
>>>>> Total Size: 16 bytes
>>>>> 4 values
>>>>> Number of Dimensions: 2
>>>>> Dimensions and sizes: [2] x [2]
>>>>> Coordinates:
>>>>> Number Of Attributes: 1
>>>>> long_name : indices closest to specified LAT/LON coordinate pairs
>>>>> (0,0) 1199
>>>>> (0,1) 792
>>>>> (1,0) 1199
>>>>> (1,1) 1041
>>>>> (0) -----
>>>>> (0) 23.76603307545667 75.53995171540016
>>>>> (0) 0.179
>>>>> (1) 0.142
>>>>> (2) -28672
>>>>> (3) 0.169
>>>>> (4) -28672
>>>>> (5) -28672
>>>>> (6) -28672
>>>>> (0) -----
>>>>> (0) 24.26559325846936 77.93996773594735
>>>>> (0) -28672
>>>>> (1) 0.393
>>>>> (2) -28672
>>>>> (3) 0.156
>>>>> (4) 0.313
>>>>> (5) -28672
>>>>> (6) -28672
>>>>> (0) -----
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Kunal Bali
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sat, Oct 14, 2017 at 12:24 AM, Mary Haley <haley at ucar.edu> wrote:
>>>>>
>>>>>> Kunal,
>>>>>>
>>>>>> Please include the code where you are actually taking the average of
>>>>>> your data using the information returned from getind_latlon2d.
>>>>>>
>>>>>> It's important to note that getind_latlon2d simply returns the
>>>>>> individual index values that are closest to each of the lat/lon pairs that
>>>>>> you gave it. It doesn't work in such a way that you give it a lat/lon box
>>>>>> and it returns all the values in that box.
>>>>>>
>>>>>> That's what I was trying to illustrate with the wrf_gsn_10.ncl I
>>>>>> created. I gave the function two corners of the box, and then using the
>>>>>> two pairs of index values I got back, I was able to get all the values
>>>>>> inside the box area of interest:
>>>>>>
>>>>>> lats = (/ min_lat, max_lat /)
>>>>>> lons = (/ min_lon, max_lon /)
>>>>>> nm = getind_latlon2d (lat2d, lon2d, lats, lons)
>>>>>> ilt1 = nm(0,0) ; start lat index
>>>>>> ilt2 = nm(1,0) ; start lon index
>>>>>> iln1 = nm(0,1) ; end lat index
>>>>>> iln2 = nm(1,1) ; end lon index
>>>>>> var_subset = var(ilt1:ilt2,iln1:iln2)
>>>>>> var_subset_avg = avg(var_subset)
>>>>>>
>>>>>> --Mary
>>>>>>
>>>>>>
>>>>>> On Thu, Oct 12, 2017 at 1:19 PM, Kunal Bali <kunal.bali9 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Dear Haley Ma'am,
>>>>>>>
>>>>>>> Thanks for providing the information and example.
>>>>>>> But if I follow the getind_latlon2d function as I did, then it
>>>>>>> seems like I followed the same procedure as given in the example
>>>>>>> http://www.ncl.ucar.edu/Document/Functions/Contributed/getin
>>>>>>> d_latlon2d.shtml
>>>>>>>
>>>>>>> But still I am not getting the mean of the grid box on every time
>>>>>>> step or am I reading incorrectly the result ?
>>>>>>>
>>>>>>>
>>>>>>> regards
>>>>>>> Kunal Bali
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Oct 13, 2017 at 12:11 AM, Mary Haley <haley at ucar.edu> wrote:
>>>>>>>
>>>>>>>> Kunal,
>>>>>>>>
>>>>>>>> I created an example for you, showing three ways you can subset a
>>>>>>>> WRF grid (since I already had a similar example). It shows how to use the
>>>>>>>> getind_latlon2d function.
>>>>>>>>
>>>>>>>> You have to be careful with subsetting curvilinear data, because
>>>>>>>> specifying a lat/lon box to take an average over can mean two
>>>>>>>> different things. You will be able to see the difference when you look at
>>>>>>>> the graphic.
>>>>>>>>
>>>>>>>> See example wrf_gsn_10.ncl at:
>>>>>>>>
>>>>>>>> http://www.ncl.ucar.edu/Applications/wrfgsn.shtml#ex10
>>>>>>>>
>>>>>>>> --Mary
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Oct 11, 2017 at 12:03 PM, Kunal Bali <kunal.bali9 at gmail.com
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> Dear NCL users,
>>>>>>>>>
>>>>>>>>> Single point coordinates values of 23.0 N and 77.0 E is extracted
>>>>>>>>> or print by using the script below
>>>>>>>>>
>>>>>>>>> ------------------------------------------------------------
>>>>>>>>> ----------
>>>>>>>>> ; Main code
>>>>>>>>> ;-----------------------------------------------------------
>>>>>>>>> -----------
>>>>>>>>> dir = "./"
>>>>>>>>> fnames = systemfunc("ls " + dir + "maiactaot*.nc")
>>>>>>>>> print(fnames)
>>>>>>>>> a = addfile(fnames,"r")
>>>>>>>>> data = short2flt(a->Optical_Depth_055_grid1km)
>>>>>>>>> nFill = num(ismissing(data))
>>>>>>>>> lat2d = a->GridLat_grid1km
>>>>>>>>> lon2d = a->GridLon_grid1km
>>>>>>>>>
>>>>>>>>> ;---grid points of interest
>>>>>>>>> latv = (/23.0/)
>>>>>>>>> lonv = (/77.0 /)
>>>>>>>>>
>>>>>>>>> nm = getind_latlon2d (lat2d,lon2d, latv, lonv)
>>>>>>>>>
>>>>>>>>> do k=0,dimsizes(latv)-1
>>>>>>>>> n = nm(k,0)
>>>>>>>>> m = nm(k,1)
>>>>>>>>> print(lat2d(n,m)+" "+lon2d(n,m)) ; grid point location
>>>>>>>>> print(" "+data(:,n,m)) ; nearest grid
>>>>>>>>> point at all time steps
>>>>>>>>> print("-----")
>>>>>>>>> end do
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> NOW, I want to extract the square grid box of 100 km around the
>>>>>>>>> coordinates (23N,77E) such as
>>>>>>>>> latv = (/22, 24.0, 24.0, 22.0, 22.0/)
>>>>>>>>> lonv = (/76, 76.0, 78.0, 78.0, 76.0 /)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> after that I want to do the area mean of the grid box. So that I
>>>>>>>>> can get one single point value of that grid box.
>>>>>>>>> So when I replacing
>>>>>>>>> latv = (/23.0/)
>>>>>>>>> lonv = (/77.0/)
>>>>>>>>>
>>>>>>>>> with
>>>>>>>>>
>>>>>>>>> latv = (/22, 24.0, 24.0, 22.0, 22.0/)
>>>>>>>>> lonv = (/76, 76.0, 78.0, 78.0, 76.0 /)
>>>>>>>>>
>>>>>>>>> then It's not giving mean of the square grid box.
>>>>>>>>>
>>>>>>>>> It shows the something like that (given below), which is
>>>>>>>>> incorrect. So please let me know how can I get the square grid box mean and
>>>>>>>>> then extract as asciiwrite or print?
>>>>>>>>>
>>>>>>>>> (0) 23.76603307545667 75.53995171540016
>>>>>>>>> (0) 0.179
>>>>>>>>> (1) 0.142
>>>>>>>>> (2) -28672
>>>>>>>>> (3) 0.169
>>>>>>>>> (4) -28672
>>>>>>>>> (5) -28672
>>>>>>>>> (6) -28672
>>>>>>>>> (0) -----
>>>>>>>>> (0) 24.00322458681621 75.99551564353467
>>>>>>>>> (0) 0.171
>>>>>>>>> (1) 0.16
>>>>>>>>> (2) -28672
>>>>>>>>> (3) 0.17
>>>>>>>>> (4) -28672
>>>>>>>>> (5) -28672
>>>>>>>>> (6) -28672
>>>>>>>>>
>>>>>>>>> etc..etc..
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> regards
>>>>>>>>> Kunal Bali
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> ncl-talk mailing list
>>>>>>>>> ncl-talk at ucar.edu
>>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> ncl-talk mailing list
>>>>>>> ncl-talk at ucar.edu
>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> ncl-talk mailing list
>>>>> ncl-talk at ucar.edu
>>>>> List instructions, subscriber options, unsubscribe:
>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>
>>>>>
>>>>
>>>
>> _______________________________________________
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>>
>>
>> Guido Cioni
>> http://guidocioni.altervista.org
>>
>>
>
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