[gradsusr] [BULK] Re: Masking Domain in Grads

Mon Mar 7 08:55:38 EST 2011

maskout function could be used to solve your problem.
http://www.iges.org/grads/gadoc/gradfuncmaskout.html

On Mon, Mar 7, 2011 at 9:21 PM, Zablone Owiti <zablonowiti at yahoo.com> wrote:
> Hi Sujata,
>
> I have not been able to mask-out or blank a particular boundary (country or
> state) so that the contour or  shading does not spill out of the boundary
> country boundary.
> I had earlier  posted this query to Grads Users forum but did  not get a
> response.  I hope this time there will be a response from the Grads Gurus.
>
> ===================================================
> ZABLONE OWITI
>
> From: Sujata Pattanayak <sujata05 at gmail.com>
> To: Zablone Owiti <zablonowiti at yahoo.com>
> Cc:
> Sent: Monday, 7 March 2011 8:22 PM
> Subject: Re: [gradsusr] [BULK] Re: opening text file data
>
> Hi Zablone,
>     I am attaching my model domain. I want to plot certain model variables
> in a particular state (i.e ORISSA) as mentioned in the plot. Can I plot on a
> particular state (like Orissa) and mask the other area.
>
> regards,
> Sujata
>
> On Mon, Mar 7, 2011 at 5:14 PM, Sujata Pattanayak <sujata05 at gmail.com>
> wrote:
>
> Hi Zablone,
>     Thank you very much for your kind help.
>
> Regards,
> Sujata
>
> On Mon, Mar 7, 2011 at 4:32 PM, Zablone Owiti <zablonowiti at yahoo.com> wrote:
>
> Hi Sujata,
> You can use the shapefiles (admin98) in Grads to generate State boundaries
> after you display something.
> The command is:
>> draw shp admin98
>  This command is available with Grads V. 2.0.a8 or later. You can get more
> details here: http://opengrads.org/doc/udxt/shape/shape.html
>
> Hope this will help you
>
>
> ===================================================
> ZABLONE OWITI
> GRADUATE STUDENT
> Nanjing University of Information, Science and Technology
> College of Atmospheric Science
> Add: 219 Ning Liu Rd, Nanjing, Jiangsu, 21004, P.R. China
> Tel: +86-25-58731402
> Fax: +86-25-58731456
> Mob. 15077895632
> Website: www.nuist.edu.cn
> ====================================================
> "The real art of conversation is not only to say the right thing at the
> right time, but also to leave unsaid the wrong thing at the tempting
> moment."
>
>
> From: Sujata Pattanayak <sujata05 at gmail.com>
> To: Zablone Owiti <zablonowiti at yahoo.com>; GrADS Users Forum
> <gradsusr at gradsusr.org>
> Sent: Monday, 7 March 2011 1:13 PM
> Subject: Re: [gradsusr] [BULK] Re: opening text file data
>
> Hi Zablone,
>     How do you get the state boundaries with GrADS? When I am plotting
> through grads, it just display the country boundary.
> Can you please help me in this regard??
>
> Regards,
> Sujata
>
> On Wed, Feb 9, 2011 at 10:39 AM, Zablone Owiti <zablonowiti at yahoo.com>
> wrote:
>
> Dear Ramaphane,
> As Muhammad has indicated, the script runs. BUT your Objective is to plot
> the station Locations on the map, with station names. If that is the
> case, you need to open  a file (eg. open model.ctl) to set the environment
> (so that you don't get the error massage of No scaling environment) and
> display a variable. The trick I normally use so that I get a blank map is to
> set cmin a value higher than the maximum value of the variable (there could
> be a better way of doing this, I hope somebody will point it out). For
> example I set cmin 10 before diplaying pr variable in model.ctl.
> You also need to zoom in your domain using set lat and set lon.
> See attached map(city.png) I have done with the script.
>  Hope this will help.
>
> ===================================================
> ZABLONE OWITI
> GRADUATE STUDENT
> Nanjing University of Information, Science and Technology
> College of International Education
> Add: 219 Ning Liu Rd, Nanjing, Jiangsu, 21004, P.R. China
> Tel: +86-25-58731402
> Fax: +86-25-58731456
> Mob. 15077895632
> Website: www.nuist.edu.cn
> ====================================================
> "The real art of conversation is not only to say the right thing at the
> right time, but also to leave unsaid the wrong thing at the tempting
> moment."
>
>
> From: Muhammad Rahiz <muhammad.rahiz at ouce.ox.ac.uk>
> To: GrADS Users Forum <gradsusr at gradsusr.org>
> Cc:
> Sent: Tuesday, 8 February 2011 11:23 PM
> Subject: Re: [gradsusr] [BULK] Re: opening text file data
>
> I am able to run the script. See results below
>
> lat is -18.38 lon is 21.85 and the city is Shakawe
> start is 1
> lat is -17.82 lon is 25.15 and the city is Kasane
> start is 2
> lat is -19.98 lon is 23.42 and the city is Maun
> start is 3
> lat is -18.55 lon is 25.63 and the city is Pandamatenga
> start is 4
> lat is -20.52 lon is 26.10 and the city is Sua_Pan
> start is 5
> lat is -21.42 lon is 25.62 and the city is Letlhakane
> start is 6
> lat is -21.17 lon is 27.52 and the city is Francistown
> start is 7
> lat is -21.97 lon is 27.83 and the city is Selibe_Phikwe
> start is 8
> lat is -23.12 lon is 26.83 and the city is Mahalapye
> start is 9
> lat is -24.67 lon is 25.92 and the city is SSKA
> start is 10
> lat is -24.58 lon is 24.80 and the city is Jwaneng
> start is 11
> lat is -25.47 lon is 25.43 and the city is Good_Hope
> start is 12
> lat is -26.22 lon is 22.40 and the city is Tsabong
> start is 13
> lat is -24.02 lon is 21.88 and the city is Tshane
> start is 14
> lat is -25.27 lon is 23.25 and the city is Werda
> start is 15
> lat is -21.68 lon is 21.63 and the city is Gantsi
> start is 16
> lat is -22.38 lon is 26.72 and the city is Serowe
> start is 17
> lat is -24.38 lon is 25.50 and the city is Molepolole
> start is 18
> lat is -25.75 lon is 28.20 and the city is Pretoria
> start is 19
> lat is -33.92 lon is 18.45 and the city is Cape_Town
> start is 20
> lat is -22.57 lon is 17.10 and the city is Windhoek
> start is 21
> lat is -17.83 lon is 31.05 and the city is Harare
> start is 22
> lat is -29.32 lon is 27.48 and the city is Maseru
> start is 23
> lat is -26.33 lon is 31.13 and the city is Manzini
> start is 24
> lat is -25.97 lon is 32.58 and the city is Maputo
> start is 25
> last city is 24
> No scaling environment
>
> This means x is environment and y is
> DRAW error: Syntax is DRAW MARK marktype x y size
> Non-numeric args to numeric operation
>   Error occurred on line 53
>   In file city_plot.gs
>
>
> --
> Muhammad Rahiz
> Researcher & DPhil Candidate (Climate Systems & Policy)
> School of Geography & the Environment
> University of Oxford
>
> On Tue, 8 Feb 2011, Galebonwe Ramaphane wrote:
>
>> Muhammad,
>>
>> I'm also running GrADS on linux. I have gone over the code several times.
>> It's one of those annoying problems. I'll attach the sample script and the
>> text file for your inspection.
>>
>> Galebonwe Ramaphane
>> Department of Meteorological Services
>> P.O. BOX 10100
>> Gaborone
>> Botswana
>> Tel: +267 3612200
>>  Mobile: +267 74435261
>>
>>
>> -----Original Message-----
>> From: gradsusr-bounces at gradsusr.org [mailto:gradsusr-bounces at gradsusr.org]
>> On Behalf Of Muhammad Rahiz
>> Sent: Tuesday, February 08, 2011 10:36 AM
>> To: GrADS Users Forum
>> Subject: [BULK] Re: [gradsusr] opening text file data
>> Importance: Low
>>
>> Galebonwe,
>>
>> I'm using GrADS on linux and as far as I know, if your text file is in the
>> same directory as your script, you don't have to put in the full path.
>> I'm not sure if it's different on Windows although I doubt so. I presume
>> you've checked your code?
>>
>> Muhammad Rahiz
>> Researcher & DPhil Candidate (Climate Systems & Policy) School of
>> Geography & the Environment University of Oxford
>>
>> On Tue, 8 Feb 2011, Galebonwe Ramaphane wrote:
>>
>>> I have a similar but minor problem. My calling script does not see the
>>> text file. I tried putting the text file in the same directory as the
>>> calling script. I still failed to read the text file. Do I include the full
>>> path of the text file?
>>>
>>> Galebonwe Ramaphane
>>> Department of Meteorological Services
>>> P.O. BOX 10100
>>> Gaborone
>>> Botswana
>>> Tel: +267 3612200
>>>  Mobile: +267 74435261
>>>
>>> -----Original Message-----
>>> From: gradsusr-bounces at gradsusr.org
>>> [mailto:gradsusr-bounces at gradsusr.org] On Behalf Of Muhammad Rahiz
>>> Sent: Monday, February 07, 2011 6:32 PM
>>> To: GrADS Users Forum
>>> Subject: Re: [gradsusr] opening text file data
>>>
>>> James, you can try the following.
>>>
>>> *****
>>>
>>> 'sdfopen ifile.nc'
>>>
>>> * ttot = number of lines in text file
>>> ttot = 755
>>> tx = 1
>>> while(tx<=ttot)
>>> fname ='7hA01.out.txt'
>>>  rec = read(fname)
>>>  IO = sublin(rec,1)
>>>  if(IO = 1)
>>>    say fname' > File open error'
>>>    'quit'
>>>  endif
>>>  if(IO = 0)
>>>    t1 = subwrd(rec,2)
>>>    t2 = subwrd(rec,3)
>>>  endif
>>> say ''t1' 't2''
>>>
>>> tx = tx +1
>>> endwhile
>>>
>>> *****
>>>
>>> --
>>> Muhammad Rahiz
>>> Researcher & DPhil Candidate (Climate Systems & Policy) School of
>>> Geography & the Environment University of Oxford
>>>
>>> On Mon, 7 Feb 2011, James Ciarlo` wrote:
>>>
>>>> Hi,
>>>> I have several text files such as the one I attached and I need to
>>>> open them which GrADS but I cannot understand how to do so. Can
>>>> someone help me please?
>>>>
>>>> James
>>>>
>>>>
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>>
>
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-- 
*************************************************
Dr. Ya-Qiang Wang
Centre for Atmosphere Watch and Services (CAWAS), CMA
Chinese Academy of Meteorological Sciences (CAMS)
46, Zhong-Guan-Cun South Avenue
Beijing, 100081
China

yaqiang.wang at gmail.com
**************************************************