[ncl-talk] sfYCStartV and sfYCEndV

Fri Mar 8 09:53:20 MST 2019

Hi Adam,

I am trying overlay, but it is not happy with me. I have attached the
script. My overlay plot is not showing up. Just the blank plot.

Dave

On Thu, Mar 7, 2019 at 3:06 PM Adam Phillips <asphilli at ucar.edu> wrote:

> I don't know if this would work or not, but Dave could you create a blank
> plot (with the fixed Y-axis that you'd like), and then overlay your
> original plot on it?
>
> https://www.ncl.ucar.edu/Document/Graphics/Interfaces/gsn_csm_blank_plot.shtml
> Adam
>
> On Thu, Mar 7, 2019 at 2:56 PM David Bailey <dbailey at ucar.edu> wrote:
>
>> Thank Rick. I had been thinking later that I could rebin my data so that
>> it would have a regular Y axis and then fill with missing values. This
>> however seems like a lot of extra work. I would have to average into the
>> bins and it would be ugly. I can probably live with the different Y axis in
>> each plot.
>>
>> Dave
>>
>> On Thu, Mar 7, 2019 at 2:49 PM Rick Brownrigg <brownrig at ucar.edu> wrote:
>>
>>> Hi Dave,
>>>
>>> I am stumped here.  It would appear that trYMinF *should* be the way to
>>> go. But I'm getting this error message:
>>>
>>>    warning:ContourPlotSetValues: current transformation requires trYMinF
>>> to be within data coordinate range: resetting
>>>
>>> And I track that down in the code, and for whatever reason, if the axis
>>> is irregular or curvilinear (as in your case), the values of trYMinF/MaxF
>>> are constrained to be within the data range of the y-coordinate.  This is
>>> mentioned in example #6 here:
>>>
>>>    http://ncl.ucar.edu/Applications/axes.shtml
>>>
>>> Is it possible to manipulate your data that the grid for Tinzs always
>>> has a common y coordinate, constrained to be in the desired range? (I don't
>>> understand you data well enough to know if this even makes sense).
>>>
>>> I wish I had a better answer -- perhaps someone else on ncl-talk can
>>> step up.
>>>
>>> Rick
>>>
>>> On Thu, Mar 7, 2019 at 1:28 PM David Bailey <dbailey at ucar.edu> wrote:
>>>
>>>> That is correct. Feel free to run it.
>>>>
>>>> Dave
>>>>
>>>> On Thu, Mar 7, 2019 at 1:27 PM Rick Brownrigg <brownrig at ucar.edu>
>>>> wrote:
>>>>
>>>>> May I run a copy of that script against the datasets -- it looks like
>>>>> the only output are plots?
>>>>>
>>>>> On Thu, Mar 7, 2019 at 11:41 AM David Bailey <dbailey at ucar.edu> wrote:
>>>>>
>>>>>> My script is in:
>>>>>>
>>>>>> /glade/u/home/dbailey/ncl/tinz_contour.ncl
>>>>>>
>>>>>> Dave
>>>>>>
>>>>>> On Thu, Mar 7, 2019 at 11:39 AM Rick Brownrigg <brownrig at ucar.edu>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Dave,  which plotting function are you using?  Is it just
>>>>>>> gsn_csm_contour()?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Thu, Mar 7, 2019 at 11:31 AM David Bailey <dbailey at ucar.edu>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> I am using the sfAXArray and sfYArray capability to contour a
>>>>>>>> two-dimensional field of temperature versus depth in the sea ice where the
>>>>>>>> vertical axis (depth) changes in time. This works *almost* as expected for
>>>>>>>> me (see attached). The one nit-picky issue I have is that I would like to
>>>>>>>> fix the lower bound on the Y-axis to say -5m. I have tried trYMax and
>>>>>>>> sfYCEndV, but these are ignored and the minimum value in on the sfYArray
>>>>>>>> axis is always chosen. Has anyone had experience with this and have a
>>>>>>>> workaround? Thanks!
>>>>>>>>
>>>>>>>> Dave
>>>>>>>>
>>>>>>>> --
>>>>>>>>
>>>>>>>> David A Bailey
>>>>>>>>    email: dbailey_at_ucar.edu
>>>>>>>> National Center for Atmospheric Research   phone: 303-497-1737
>>>>>>>> PO Box 3000
>>>>>>>>     fax  : 303-497-1700
>>>>>>>> Boulder, CO 80307-3000
>>>>>>>>                    http://www.cgd.ucar.edu/staff/dbailey
>>>>>>>> _______________________________________________
>>>>>>>> ncl-talk mailing list
>>>>>>>> ncl-talk at ucar.edu
>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> David A Bailey
>>>>>>  email: dbailey_at_ucar.edu
>>>>>> National Center for Atmospheric Research   phone: 303-497-1737
>>>>>> PO Box 3000
>>>>>>   fax  : 303-497-1700
>>>>>> Boulder, CO 80307-3000
>>>>>>                    http://www.cgd.ucar.edu/staff/dbailey
>>>>>>
>>>>>
>>>>
>>>> --
>>>>
>>>> David A Bailey
>>>>  email: dbailey_at_ucar.edu
>>>> National Center for Atmospheric Research   phone: 303-497-1737
>>>> PO Box 3000
>>>> fax  : 303-497-1700
>>>> Boulder, CO 80307-3000
>>>>                    http://www.cgd.ucar.edu/staff/dbailey
>>>>
>>>
>>
>> --
>>
>> David A Bailey
>>  email: dbailey_at_ucar.edu
>> National Center for Atmospheric Research   phone: 303-497-1737
>> PO Box 3000
>> fax  : 303-497-1700
>> Boulder, CO 80307-3000
>>                    http://www.cgd.ucar.edu/staff/dbailey
>> _______________________________________________
>> ncl-talk mailing list
>> ncl-talk at ucar.edu
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>
>
> --
> Adam Phillips
> Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/   303-497-1726
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>

-- 

David A Bailey
 email: dbailey_at_ucar.edu
National Center for Atmospheric Research   phone: 303-497-1737
PO Box 3000
fax  : 303-497-1700
Boulder, CO 80307-3000
                   http://www.cgd.ucar.edu/staff/dbailey
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