[ncl-talk] Error in explicit selection mode

[Anahita Amiri Farahani]

Awesome, thanks! It works.

On Tue, Sep 3, 2019 at 3:48 PM Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Ana,
> I believe you need to specify contours in ascending order, so instead of
> this:
> res at cnLevels            =
> (/-0.5,-1,-1.5,-2,-4,-6,-8,-10,-12,-14,-16,-18,-20,0.,0.5,1.5,2.5,3.5,4.5,6,7,8,10,12,14,16,18,20/)
> set this:
> res at cnLevels            =
> (-20,-18,-16,-14,-12,-10,-8,-6,-4,-2,-1.5,-1,-0.5,0.,0.5,1.5,2.5,3.5,4.5,6,7,8,10,12,14,16,18,20/)
>
> Adam
>
> On Tue, Sep 3, 2019 at 4:45 PM Rick Brownrigg via ncl-talk <
> ncl-talk at ucar.edu> wrote:
>
>> Hi,
>>
>> Errors coming out of the low-level contouring routines, like this case,
>> are very hard to track down. I have found in the code where the error
>> message emanates, but I'm uncertain as to the conditions leading to it
>> other than that something horribly wrong happened in the contouring code.
>> Are you able to share your script and data (you can send directly to me)?
>> Otherwise, are you able to post the plot when you use AutomaticLevels, and
>> possibly the output from
>> stat_dispersion() on the variable being plotted?
>>
>> http://ncl.ucar.edu/Document/Functions/Contributed/stat_dispersion.shtml
>>
>> Rick
>>
>>
>> On Tue, Sep 3, 2019 at 3:59 PM Anahita Amiri Farahani via ncl-talk <
>> ncl-talk at ucar.edu> wrote:
>>
>>> Hello all,
>>>
>>> I faced a problem when I replaced
>>> res at cnLevelSelectionMode =  "AutomaticLevels"   ; AutomaticLevels
>>>
>>> with
>>> res at cnLevelSelectionMode = "ExplicitLevels"   ; set explicit contour
>>> levels
>>>   res at cnLevels            =
>>> (/-0.5,-1,-1.5,-2,-4,-6,-8,-10,-12,-14,-16,-18,-20,0.,0.5,1.5,2.5,3.5,4.5,6,7,8,10,12,14,16,18,20/)
>>>
>>> I got this error:
>>>
>>> fatal:ContourPlotDraw: CPCLAM - CONTRADICTORY AREA-IDENTIFIER INFORMATION
>>>
>>>
>>>
>>>
>>>
>>> Here is the plotting part:
>>>
>>>
>>>  res                     = True               ; plot mods desired
>>>   res at cnFillOn            = True              ; turn on color
>>>   res at gsnSpreadColors     = True               ; use full color map
>>>   res at cnLinesOn           = False              ; no contour lines
>>>   res at cnLineLabelsOn      = False              ; no line labels
>>>
>>>
>>>  ; res at gsnAddCyclic        = False
>>>   res at gsnDraw             = False           ; don't draw
>>>   res at gsnFrame            = False           ; don't advance frame
>>>   res at cnInfoLabelOn       = False           ; turn off cn info label
>>>   res at cnFillOn            = True            ; turn on color
>>>   res at gsnSpreadColors     = True            ; spread out color table
>>>   res at gsnSpreadColorStart = 2               ; color to startt
>>>
>>>   res at lbLabelBarOn        = True          ; turn off individual cb's
>>>
>>>
>>>
>>>
>>>
>>> Any suggestions would be appreciated.
>>>
>>>
>>> Thanks,
>>>
>>> Ana
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>>
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>
>
>
> --
> 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>
>
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