Re: Fw: plot circle in contour map

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Thu May 24 2012 - 21:46:24 MDT

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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Received on Thu May 24 21:46:32 2012

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