Re: Runtime input to ncl script

[In the future, please post questions about having problems running NCL to ncl-install instead of ncl-talk.]

It looks like you have a simple environment variable problem.

Where did you install NCL? You need to setenv NCARG_ROOT to the root directory. See:

http://www.ncl.ucar.edu/Download/install.shtml#SetNCARG_ROOT

--Mary

On Jul 8, 2010, at 3:50 AM, gibies george wrote:

> Thank you Mary and Wei for the valuable informations.
>
> Mary,
>
> I have tried according to your suggestion. The message from the system is as follows.
>
> [gibies@gibies ~]$ ng4ex xy13c
> Resource directory </usr/share/ncarg/resfiles> does not exist.
>
> How can I fix the problem ?
>
> Hello NCL users,
>
> Does anybody else have an easier way to capture the mouse click position (lat, lon) from an NCL display.
>
> Thanking you
>
> Gibies George,CSIR-RF,
> Climate and Global Modelling Division,
> Indian Institute of Tropical Meteorology,
> Dr. Homi Bhabha Road,
> NCL (P. O.), Pashan,
> Pune 411008, India.
>
> http://sites.google.com/site/gibiesge/
>
> Think about the environment. Please don't print this e-mail unless it is necessary.
> On 25 June 2010 01:55, Wei Huang <huangwei@ucar.edu> wrote:
> JaNCL has no way to show the value where the mouse points to,
> as JaNCL is to generate a NCL script based on user choices, then
> run NCL to get an image, and then display the image. At the stage
> of display images, it loses all the knowledge of how this image is
> generated, and so there is no way to retrieve its value at any point.
>
> Wei
>
> huangwei@ucar.edu
> VETS/CISL
> National Center for Atmospheric Research
> P.O. Box 3000 (1850 Table Mesa Dr.)
> Boulder, CO 80307-3000 USA
> (303) 497-8924
>
>
>
>
>
> On Jun 24, 2010, at 2:04 PM, Mary Haley wrote:
>
>> Hi Gibies,
>>
>> I'm afraid there's no way to do this with NCL. We have a sample of this using a C program, but it's going to be a bit more complicated to do the graphics.
>>
>> Try running:
>>
>> ng4ex xy13c
>>
>> to see if it compiles (you need some additional X11 libraries). This command will copy "xy13c.c" to your current directory and try to compile it using "nhlcc".
>> Once it runs, you can click on the pop-up window with your left-mouse button to get values.
>>
>> Wei Huang has developed a prototype Java/NCL interactive GUI. Maybe it can do something like this? Wei?
>>
>> --Mary
>>
>> On Jun 24, 2010, at 1:30 AM, gibies george wrote:
>>
>>> Thank you Dave, Chen and Dennis for giving a solution for my previous question.
>>>
>>> Hello NCL users,
>>>
>>> I need another help.
>>>
>>> I would like to know whether I can get the position of my mouse-click on the plot. That is the latitude and longitude value of the point which I have clicked.
>>>
>>> The same thing I have done in GrADS using the following script.
>>>
>>> say 'Click where you want the left upper corner of the box'
>>> 'query bpos'
>>> xb1o = subwrd(result,3)
>>> yb2o = subwrd(result,4)
>>>
>>> Can I do similar thing in NCL
>>>
>>> Thanking you in Advance.
>>>
>>> Gibies George,CSIR-RF,
>>> Climate and Global Modelling Division,
>>> Indian Institute of Tropical Meteorology,
>>> Dr. Homi Bhabha Road,
>>> NCL (P. O.), Pashan,
>>> Pune 411008, India.
>>>
>>> http://sites.google.com/site/gibiesge/
>>>
>>> Think about the environment. Please don't print this e-mail unless it is necessary.
>>>
>>>
>>>
>>> On 21 June 2010 17:53, gibies george <gibiesgeorge@gmail.com> wrote:
>>> Hello friends,
>>>
>>> While writing an ncl script I came through a requirement to read some values to the script at run time. Is there a way to do it in ncl script ?
>>> In grads I used promt and pull for this purpose. Is there any thing similer to that available in NCL script language ?
>>>
>>>
>>> Gibies George,CSIR-RF,
>>> Climate and Global Modelling Division,
>>> Indian Institute of Tropical Meteorology,
>>> Dr. Homi Bhabha Road,
>>> NCL (P. O.), Pashan,
>>> Pune 411008, India.
>>>
>>> http://sites.google.com/site/gibiesge/
>>>
>>> Think about the environment. Please don't print this e-mail unless it is necessary.
>>>
>>>
>>>
>>> --
>>>
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>>
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>
>
>
> --
>
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Received on Thu Jul 8 11:15:36 2010