Re: Fw: plot circle in contour map

From: Arindam Chakraborty <arch_at_nyahnyahspammersnyahnyah> Date: Thu May 24 2012 - 23:19:05 MDT · This archive was generated by hypermail 2.1.8 : Fri May 25 2012 - 08:35:50 MDT

--
Dr Arindam Chakraborty
Centre for Atmospheric and Oceanic Sciences
Indian Institute of Science
Bangalore - 560 012, INDIA
http://caos.iisc.ernet.in/
---------- Original Message -----------
From: Dennis Shea <shea@ucar.edu>
To: juki juki <juky_emc2@yahoo.com>
Cc: NCL Talk <ncl-talk@ucar.edu>
Sent: Thu, 24 May 2012 21:46:24 -0600
Subject: Re: Fw:  plot circle in contour map
> This works fine for me.
> Note that there should be no blank line at the end of the data file.
> 
>    data     = asciiread("ncldatasample.txt", (/10,3/), "float")
>   ;print(data)
> 
>    lon      = data(:,0)
>    lat      = data(:,1)
>    val      = data(:,2)
> 
> On 5/24/12 5:55 PM, juki juki wrote:
> >
> > I did, I am able to plot the data by copying the data to the ncl script.
> > My ascii file is very simple but when I read as follow;
> >
> > data = asciiread("ncldatasample.txt", (/10,3/), "float")
> >
> > the error occur, can not open the ascii file..
> >
> >
> >
> >
> >
> > ------------------------------------------------------------------------
> > *From:* juki juki <juky_emc2@yahoo.com>
> > *To:* Dennis Shea <shea@ucar.edu>
> > *Cc:* NCL Talk <ncl-talk@ucar.edu>
> > *Sent:* Friday, May 25, 2012 7:47 AM
> > *Subject:* Re: [ncl-talk] Fw: plot circle in contour map
> >
> > Hi Dennis;
> >
> > Thanks for your reply. Yes, it is ok, but let me ask few points.
> >
> > I will adopt the following code:
> >
> > http://www.ncl.ucar.edu/Applications/Scripts/polyg_8.ncl
> >
> > I try to read the data I sent you by simple command as:
> >
> > 126.57.41.538904
> > 156.25.70.95746147
> > 132.19.31.2666025
> > 151.6-9.31.1283792
> > 84.3 -8.41.0155413
> > 131.79.12.018506
> > 117.68.70.83682839
> > 75.4-8.50.91669957
> > 78.3-8.11.1834541
> > 81.7 6.51.526443
> >
> >
> > ; -------read data
> >
> > data = asciiread("ncldatasample.txt", (/10,3/), "float")
> >
> > Are there any other option to read it ? The data contain is above.
> >
> > For example I use the following bin:
> >
> > arr = (/0.5,1.,1.5,2.,2.5,3.,4., 5./)
> >
> > How to bin the third column of my data.
> >
> > The following line:
> >
> > npts = 10 ; Number of points.
> > lat = second coulumn of my data ; Create some dummy latitude
> > lon = first coulumn of my data ; and longitude data that
> > ; will contain the position of
> > ; our markers.
> >
> > R = random_uniform(-1.2,35.,npts) ; This is dummy data for determining
> > ; how to color the markers.
> >
> > How about R ?
> >
> > Thanks for help,
> >
> > Juky
> >
> > ------------------------------------------------------------------------
> >
> >  >
> >  >
> >  >
> >  > ----- Forwarded Message -----
> >  > *From:* juki juki <juky_emc2@yahoo.com <mailto:juky_emc2@yahoo.com>>
> >  > *To:* Dennis Shea <shea@ucar.edu <mailto:shea@ucar.edu>>
> >  > *Cc:* NCL Talk <ncl-talk@ucar.edu <mailto:ncl-talk@ucar.edu>>; Mary
> > Haley <haley@ucar.edu <mailto:haley@ucar.edu>>
> >  > *Sent:* Friday, May 25, 2012 7:02 AM
> >  > *Subject:* Re: [ncl-talk] plot circle in contour map
> >  >
> >  > Hi Dennis;
> >  >
> >  > Thanks for your reply. If I can do as the following example is also ok.
> >  >
> >  > http://www.ncl.ucar.edu/Applications/Scripts/polyg_8.ncl
> >  >
> >  > Location of the circle/point as I said before and then classify the
> >  > color into 3 color only based on the size in the third column. Again,
> >  > thank you.
> >  >
> >  > Juki
> >  >
> >  > -----------------------------------------------------------------------
-
> >  > *From:* Dennis Shea <shea@ucar.edu <mailto:shea@ucar.edu>>
> >  > *To:* juki juki <juky_emc2@yahoo.com <mailto:juky_emc2@yahoo.com>>
> >  > *Cc:* NCL Talk <ncl-talk@ucar.edu <mailto:ncl-talk@ucar.edu>>; Mary
> > Haley <haley@ucar.edu <mailto:haley@ucar.edu>>
> >  > *Sent:* Friday, May 25, 2012 3:14 AM
> >  > *Subject:* Re: [ncl-talk] plot circle in contour map
> >  >
> >  > See Example 4
> >  > http://www.ncl.ucar.edu/Applications/polyg.shtml
> >  >
> >  > Just read the lat and lon values.
> >  > You must repeat the last point to complete the circle.
> >  >
> >  > lat = (/7.4, 5.7, ... , 6.5, 7.4/)
> >  > lon = (/126.5, 156.6, ..., 81.7, 126.5/)
> >  >
> >  > On 5/24/12 12:02 PM, juki juki wrote:
> >  > > Dear all,
> >  > >
> >  > > I want plot circles in a contourmap in 70-160E and 10S-10N. For 
example
> >  > > we know the position of the circle and the radius in degree. Data
> >  > example:
> >  > >
> >  > > 126.5000000000007.400000000000001.53890401039422
> >  > > 156.2000000000005.700000000000000.957461472963439
> >  > > 132.1000000000009.300000000000001.26660247369343
> >  > > 151.600000000000-9.300000000000001.12837916709551
> >  > > 84.3000000000000-8.400000000000001.01554125038596
> >  > > 131.7000000000009.100000000000002.01850601761613
> >  > > 117.6000000000008.700000000000000.836828387188401
> >  > > 75.4000000000000-8.500000000000000.916699568847508
> >  > > 78.3000000000000-8.100000000000001.18345405454064
> >  > > 81.70000000000006.500000000000001.52644304409478
> >  > >
> >  > > First column is longitude position, latitude is in the second and 
last
> >  > > one is the radius. Are there ncl example regarding this matter, to 
plot
> >  > > circle in contourmap or in topographymap ?. Thanks for sharing,
> >  > >
> >  > > Regards,
> >  > > Juki
> >  > >
> >  > >
> >  > >
> >  > >
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> >  >
> >  >
> >
> >
> >
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