[ncl-talk] problem with ShadeGeLeContour
debasish mazumder
debasish at ucar.edu
Fri Aug 22 00:39:37 MDT 2014
Thanks Adam. It works
with regards
-Deb
On 8/21/14 4:30 PM, Adam Phillips wrote:
> Hi Deb,
> Make sure you have actual contours at -0.1 and 0.1. gsn_contour_shade
> only operates on the existing contour levels. So, in your case, if
> you do not have contours at -0.1 and 0.1 you will not get the expected
> results.
>
> Try setting the levels like this:
> res2 at cnLevelSelectionMode = "ExplicitLevels"
> res2 at cnLevels = (/ -0.3,-0.2,-0.1,0,.1,.2,.3/)
> opt at gsnShadeMid = 17
> plot2 = gsn_csm_contour(wks,gsn_add_cyclic_point(cv), res2)
> plot2 = gsn_contour_shade(plot2,-0.1,0.1 , opt)
>
> If the results are still not what you want please respond to ncl-talk..
> Adam
>
>
>
> On Thu, Aug 21, 2014 at 4:00 PM, debasish mazumder <debasish at ucar.edu
> <mailto:debasish at ucar.edu>> wrote:
>
> Hi Mary,
>
> The problem related error is solved with updated version but
> Script is not working properly.
> opt at gsnShadeMid = 17
> plot2 = gsn_csm_contour(wks,gsn_add_cyclic_point(cv), res2)
> plot2 = gsn_contour_shade(plot2,-0.1,0.1 , opt)
>
> istead of sheading the values between -0.1 and 0.1, It only shaded
> negative values.
> Any help will be appreciated.
>
> with regards
> -Deb
>
>
>
> On 8/19/14 11:04 PM, Mary Haley wrote:
>> Hi Debasish,
>>
>> No worries on posting to me directly. Usually with NCAR visitors
>> and employees I don't ask this, so my apologies there. However, I
>> like to see messages go back to ncl-talk if possible so other
>> folks can benefit from the answer.
>>
>> From your script I was able to see what the problem was. It
>> looks like the code that shades for the middle shading values is
>> incorrectly assuming that you have 2 or more contour levels that
>> fall in this range.
>>
>> This bug was inadvertently fixed in V6.2.1, in the process of
>> enhancing the function for other purposes.
>>
>> You can try the fix on yellowstone/geyser by loading a *test*
>> 6.2.1 version via the "module" command:
>>
>> module swap intel gnu
>> module load ncl/6.2.1
>>
>> Let me know if this doesn't fix your problem.
>>
>> Please be careful with this version because it is in heavy test
>> mode and can get updated at any moment. We hope to release this
>> version in the next 2 weeks.
>>
>> --Mary
>>
>>
>>
>> On Tue, Aug 19, 2014 at 1:06 PM, debasish mazumder
>> <debasish at ucar.edu <mailto:debasish at ucar.edu>> wrote:
>>
>> Hi Mary,
>>
>> Sorry for directly email to you. I put my script and data in
>> yellowstone (scratch). Here is the path:
>> /glade/scratch/debasish/ShadedPlot/
>> Please let me know if you have problem to open any files.
>>
>> I am using version 6.2.0.
>>
>> with regards
>> -Debasish
>>
>>
>>
>>
>> On 8/19/14 11:36 AM, Mary Haley wrote:
>>> Debasish,
>>>
>>> Please respond back to ncl-talk with follow-up responses, if
>>> possible.
>>>
>>> When you get an error like this, I need to see some code, or
>>> better, get your full script and the data so I can run the
>>> problem here. It also helps us to know which version of NCL
>>> you are using.
>>>
>>> You can use our ftp to upload files if necessary:
>>>
>>> http://ncl.ucar.edu/report_bug.shtml#HowToFTP
>>>
>>> --Mary
>>>
>>>
>>>
>>> On Mon, Aug 18, 2014 at 10:42 PM, debasish mazumder
>>> <debasish at ucar.edu <mailto:debasish at ucar.edu>> wrote:
>>>
>>> Hi Mary,
>>> Thanks for your response. I have tried gsn_contour_shade
>>> but I am getting following error message
>>>
>>> fatal:Subscript out of range, error in subscript #0
>>> fatal:An error occurred reading ii
>>> fatal:["Execute.c":8567]:Execute: Error occurred at or
>>> near line 12388 in file
>>> $NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl
>>>
>>> fatal:["Execute.c":8567]:Execute: Error occurred at or
>>> near line 337 in file tas_max_WRFG-CFSR_1995-1999_new.ncl
>>>
>>> with regards
>>> -Debasish
>>>
>>>
>>>
>>> On 8/17/14 10:35 PM, Mary Haley wrote:
>>>> First, ShadeGeLeContour is deprecated, and you should
>>>> be using gsn_contour_shade instead.
>>>>
>>>> When you use these routines, you need to be careful
>>>> that the shading values you choose are in-line with the
>>>> original contour levels.
>>>>
>>>> See:
>>>>
>>>> http://www.ncl.ucar.edu/Document/Graphics/Interfaces/gsn_contour_shade.shtml
>>>>
>>>> See example "coneff_13.ncl" at:
>>>>
>>>> http://www.ncl.ucar.edu/Applications/coneff.shtml#ex13
>>>>
>>>> --Mary
>>>>
>>>>
>>>>
>>>> On Fri, Aug 15, 2014 at 1:09 PM, debasish mazumder
>>>> <debasish at ucar.edu <mailto:debasish at ucar.edu>> wrote:
>>>>
>>>> Hi All,
>>>> I am trying to use "ShadeGeLeContour" to shade the
>>>> values between -0.5
>>>> and 0.5.
>>>> plot2 = ShadeGeLeContour(plot2,-0.5,0.5 , 11)
>>>> but it shades all the negative value instead of
>>>> the values between -0.5
>>>> and 0.5.
>>>>
>>>> with regards
>>>> -Deb
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> List instructions, subscriber options, unsubscribe:
>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>
>>>>
>>>
>>>
>>
>>
>
>
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>
>
> --
> Adam Phillips
> Associate Scientist, Climate and Global Dynamics Division, NCAR
> www.cgd.ucar.edu/staff/asphilli/
> <http://www.cgd.ucar.edu/staff/asphilli/> 303-497-1726
>
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