[ncl-talk] gsn_contour_shade
Adam Phillips
asphilli at ucar.edu
Thu Jul 19 16:02:13 MDT 2018
Hi Laura,
Looking at your script, you are turning the lines off in your res and ores
resource list. gsn_contour_shade simply fills areas between existing
contour lines, it does not turn on certain lines nor alter their thickness.
If you could elaborate a bit on what you're trying to do that would be
helpful.
Note: You are setting this in gsn_contour_shade:
plot2 = gsn_contour_shade(plot2,268,248,opt)
The 2nd input in this function represents the low value, beneath which the
first contour and all contours less than this value should be shaded. The
3rd option represents the high value, above or equal to which the first
contour and all contours greater than this value will be shaded. (This
function does not necessarily shade between exact values .) I think you
want to reverse those two inputs here.
Adam
On Thu, Jul 19, 2018 at 2:09 PM Laura Fowler <laura at ucar.edu> wrote:
> Adam and Rick:
>
> I had tried Adam's suggestion earlier
>
> ores at cnMonoLineThickness = True
>
> ores at cnLineThicknessF = 3.0
>
> but that did not work. Rick's suggestion did not work either:
>
> ores at gsnContourLineThicknessesScale = 2.0
>
>
> May be we just can't do this with gsn_csm_shade after all. I also tried to
> include them in the opt option used in the call to gsn_csm_shade, but that
> did not work either.
>
>
> Many thanks,
> Laura
>
>
> On Thu, Jul 19, 2018 at 1:55 PM, Adam Phillips <asphilli at ucar.edu> wrote:
>
>> Hi Laura,
>> Rick's suggestion should work. Alternatively you can set cnLineThicknessF
>> (to say, 2.0) within your ores resource list. Even though it won't be used
>> in the initial plot call, it will still be used when gsn_contour_shade is
>> called..
>> Adam
>>
>> On Thu, Jul 19, 2018 at 1:51 PM Rick Brownrigg <brownrig at ucar.edu> wrote:
>>
>>> Hi Laura,
>>>
>>> I don't know with certainty that this works, but you might try:
>>>
>>> *gsnContourLineThicknessesScale* This resource, recognized by any gsn
>>> contour <http://ncl.ucar.edu/Document/Graphics/Interfaces/#Contours>
>>> drawing routine, allows you to set line thickness scale factors for all
>>> contour lines. For example, aq value of 2.0 will make the lines twice as
>>> thick. If this is set to an array that is not large enough to handle all
>>> contour lines, then the default value of 1.0 will be used for the remaining
>>> contour lines.
>>>
>>> On Thu, Jul 19, 2018 at 12:47 PM, Laura Fowler <laura at ucar.edu> wrote:
>>>
>>>> Hi Adam:
>>>> Thanks for your help. Now it did work (see attached plot). Is there a
>>>> way by chance to increase the thickness of the individual lines? Looking at
>>>> the documentation on gsm_csm_shade, it does not seem to be an option,
>>>> except that of increasing the density of lines?
>>>>
>>>> Thanks,
>>>> Laura
>>>>
>>>>
>>>>
>>>> On Thu, Jul 19, 2018 at 12:12 PM, Adam Phillips <asphilli at ucar.edu>
>>>> wrote:
>>>>
>>>>> Hi Laura,
>>>>> Try adding:
>>>>> ores at cnLineLabelsOn = False
>>>>> Adam
>>>>>
>>>>> On Thu, Jul 19, 2018 at 12:09 PM Laura Fowler <laura at ucar.edu> wrote:
>>>>>
>>>>>> Hi Adam:
>>>>>>
>>>>>> Thanks for your help. It did work after switching to gsn_csm_contour.
>>>>>> I followed your suggestion and added separate resources for plot2 to remove
>>>>>> the "mp" warning messages.
>>>>>>
>>>>>> Despite adding the following lines:
>>>>>>
>>>>>> ores at cnFillOn = False
>>>>>>
>>>>>> ores at cnLinesOn = False
>>>>>>
>>>>>> ores at cnLevelFlags = "NoLine"
>>>>>>
>>>>>> ores at cnInfoLabelOn = False
>>>>>>
>>>>>> to my second (ores) set of ressources, I still get labels attached to
>>>>>> the shading. Which additional option do I need to add to remove those extra
>>>>>> labels so that the output looks like the one in overlay.ncl?
>>>>>>
>>>>>> Many thanks,
>>>>>> Laura
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Jul 19, 2018 at 11:39 AM, Adam Phillips <asphilli at ucar.edu>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Laura,
>>>>>>> One can't overlay a plotting type with a map over another plotting
>>>>>>> class with a map. This should work:
>>>>>>> plot = gsn_csm_contour_map(wks,lwpath_a(:,:,n),res)
>>>>>>> plot2 = gsn_csm_contour(wks,cldtopt_a(:,:,n),res)
>>>>>>> overlay(plot,plot2)
>>>>>>>
>>>>>>> You are getting the various mp* errors as you can't pass mp
>>>>>>> resources to a non-map plotting function, in this case gsn_csm_contour. You
>>>>>>> should be able to safely ignore those messages as everything will still
>>>>>>> work; NCL is just telling you it is ignoring some of your resources. If you
>>>>>>> would like to get rid of the messages though, I would recommend you create
>>>>>>> a new resource list, res2, for your cldtopt_a array that excludes mp
>>>>>>> resources.
>>>>>>> Hope that helps!
>>>>>>> Adam
>>>>>>>
>>>>>>> On Thu, Jul 19, 2018 at 11:33 AM Laura Fowler <laura at ucar.edu>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hello:
>>>>>>>>
>>>>>>>> I am following the ncl script overlay_5.ncl to overlay shading over
>>>>>>>> a contour plot. see the script test3.ncl in
>>>>>>>>
>>>>>>>> /glade2/scratch2/laura/forNCL
>>>>>>>>
>>>>>>>> first, I plot the cloud liquid water path:
>>>>>>>>
>>>>>>>> plot = gsn_csm_contour_map(wks,lwpath_a(:,:,n),res)
>>>>>>>>
>>>>>>>> then I would like to overlay shading of the cloud-top temperature
>>>>>>>> with shading for cloud-top temperatures less than 248 or greater than 268.
>>>>>>>>
>>>>>>>> When I use:
>>>>>>>>
>>>>>>>> plot2 = gsn_csm_contour_map(wks,cldtopt_a(:,:,n),res)
>>>>>>>>
>>>>>>>> I get the error message:
>>>>>>>>
>>>>>>>> fatal:NhlAddOverlay: plot class mapPlotClass cannot be overlay plot
>>>>>>>> member
>>>>>>>>
>>>>>>>> When I use gsn_csm_contour(wks,cldtopt_a(:,:,n),res)
>>>>>>>> then I get the messages:
>>>>>>>>
>>>>>>>> warning:mpProjection is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpMinLonF is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpMaxLonF is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpMinLatF is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpMaxLatF is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpCenterLonF is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpShapeMode is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> warning:mpDataBaseVersion is not a valid resource in
>>>>>>>> test3.ceres_aqua.PO.dec2015_contour at this time
>>>>>>>>
>>>>>>>> I am not sure what is going wrong, and would really like a
>>>>>>>> suggestion on how to fix this.
>>>>>>>>
>>>>>>>> Many thanks,
>>>>>>>> Laura
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>>
>>>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>>>> Laura D. Fowler
>>>>>>>>
>>>>>>>> Mesoscale and Microscale Meteorology Division (MMM)
>>>>>>>> National Center for Atmospheric Research
>>>>>>>> P.O. Box 3000, Boulder CO 80307-3000
>>>>>>>>
>>>>>>>> e-mail: laura at ucar.edu
>>>>>>>> phone: 303-497-1628
>>>>>>>>
>>>>>>>>
>>>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>>>> _______________________________________________
>>>>>>>> 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>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>> Laura D. Fowler
>>>>>>
>>>>>> Mesoscale and Microscale Meteorology Division (MMM)
>>>>>> National Center for Atmospheric Research
>>>>>> P.O. Box 3000, Boulder CO 80307-3000
>>>>>>
>>>>>> e-mail: laura at ucar.edu
>>>>>> phone: 303-497-1628
>>>>>>
>>>>>>
>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> 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>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> !-------------------------------------------------------------------------------------------------------------
>>>> Laura D. Fowler
>>>>
>>>> Mesoscale and Microscale Meteorology Division (MMM)
>>>> National Center for Atmospheric Research
>>>> P.O. Box 3000, Boulder CO 80307-3000
>>>>
>>>> e-mail: laura at ucar.edu
>>>> phone: 303-497-1628
>>>>
>>>>
>>>> !-------------------------------------------------------------------------------------------------------------
>>>>
>>>> _______________________________________________
>>>> 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>
>>
>
>
>
> --
>
> !-------------------------------------------------------------------------------------------------------------
> Laura D. Fowler
>
> Mesoscale and Microscale Meteorology Division (MMM)
> National Center for Atmospheric Research
> P.O. Box 3000, Boulder CO 80307-3000
>
> e-mail: laura at ucar.edu
> phone: 303-497-1628
>
>
> !-------------------------------------------------------------------------------------------------------------
>
--
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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