[ncl-talk] Contour Plot Help
Mariama Barr - Dallas
bama4 at umbc.edu
Wed Sep 16 09:57:54 MDT 2015
I have a software feature that displays all data values that I used before,
but for specifics, here is the printout:
On Wed, Sep 16, 2015 at 11:47 AM, Dennis Shea <shea at ucar.edu> wrote:
> To my knowledge, you have not done what I requested. Right before you use
> the plot function
>
> printVarSummary(var)
> printMinMax(var,0)
>
> The output has not been sent to ncl-talk
> ---
>
>
> I'll also add that the following might help. Add this before the plot
> function
>
>
> https://www.ncl.ucar.edu/Document/Functions/Contributed/stat_dispersion.shtml
>
>
> ==
>
> opt = True
> opt at PrintStat = True
> statb = *stat_dispersion*(var, opt )
>
> printVarSummary(var)
> printMinMax(var,0)
>
> plot = gsn_csm_contour_map(wks, var, res)
>
> ===
>
>
> Also, as an experiment, you might try a run with
>
>
> *res at cnFillMode <https://www.ncl.ucar.edu/Document/Graphics/Resources/cn.shtml#cnFillMode>* = "RasterFill"
>
>
>
>
>
>
>
>
>
> On Wed, Sep 16, 2015 at 8:37 AM, Mariama Barr - Dallas <bama4 at umbc.edu>
> wrote:
>
>> Well I have contour levels set at a min of 375 and a max of 425 and the
>> spacing is 10.0 and it still gives an algorithm failure error. I will try
>> and increase the spacing to see if it works but I really want as small
>> spacing as possible so that I can see smaller variations of the data in the
>> map.
>>
>> On Wed, Sep 16, 2015 at 10:32 AM, Rick Brownrigg <brownrig at ucar.edu>
>> wrote:
>>
>>> Hi,
>>>
>>> There would be a practical limit based upon your machine. Did you try
>>> intermediate values between 100M and 10G? How about Adam's suggestion of
>>> explicitly setting contour levels -- trying something fairly coarse and
>>> then dialing it back in until things fail. There's obviously something
>>> about the data that's requiring extreme amounts of workspace memory -- but
>>> its hard to say what without some sleuthing...
>>>
>>> Rick
>>>
>>>
>>> On Wed, Sep 16, 2015 at 8:17 AM, Mariama Barr - Dallas <bama4 at umbc.edu>
>>> wrote:
>>>
>>>> Yes, I also tried adjusting the space allocated in the .hluresfile file
>>>> from 100000000 to 10000000000. It gives an algorithm error. any extreme
>>>> allocatons gives a segmentation dump so I assume that there is a reasonable
>>>> limit to the amount that can be allocated to the ncarg graphics?
>>>>
>>>> On Tue, Sep 15, 2015 at 7:22 PM, Mary Haley <haley at ucar.edu> wrote:
>>>>
>>>>> Adam's suggestions were good ones. If you are trying to plot the
>>>>> entire globe, then try cutting back back on the number of contour levels
>>>>> too, if you are explicitly setting them.
>>>>>
>>>>> --Mary
>>>>>
>>>>>
>>>>> On Mon, Sep 14, 2015 at 12:47 PM, Mariama Barr - Dallas <
>>>>> bama4 at umbc.edu> wrote:
>>>>>
>>>>>> I am using NCL version 6.2.1. I commented those out because I was
>>>>>> using them previously to zoom in on a certain longitude and latitude but
>>>>>> right now I want to display the entire globe.
>>>>>>
>>>>>> On Mon, Sep 14, 2015 at 1:44 PM, Dennis Shea <shea at ucar.edu> wrote:
>>>>>>
>>>>>>> Before the plot = ..
>>>>>>>
>>>>>>> printVarSummary(var)
>>>>>>> printMinMax(var,0)
>>>>>>>
>>>>>>> Why did you comment out the mpMinLatF, etc resources?
>>>>>>>
>>>>>>> Please always include this information when sending questions to
>>>>>>> ncl-talk.
>>>>>>>
>>>>>>> Also ... the version of NCL you are using.
>>>>>>>
>>>>>>> ncl -V
>>>>>>>
>>>>>>> ==========
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Sep 14, 2015 at 9:15 AM, Adam Phillips <asphilli at ucar.edu>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Mariama,
>>>>>>>> My guess is that you have either a very high resolution grid and/or
>>>>>>>> a very noisy data array, and NCL is warning you that the output graphic is
>>>>>>>> exceeding the maximum size that is set.
>>>>>>>>
>>>>>>>> See the FAQ page here:
>>>>>>>> http://www.ncl.ucar.edu/FAQ/#err_msgs_012
>>>>>>>>
>>>>>>>> The solutions are:
>>>>>>>> 1) Increase your work station size as the FAQ describes.
>>>>>>>> 2) Change your contour settings. If it would be better to set
>>>>>>>> non-regular levels you can set cnLevelSelectionMode = "ExplicitLevels" and
>>>>>>>> set cnLevels to (/200,300,340,380,420,460,500/) (Those levels are a
>>>>>>>> complete guess.)
>>>>>>>> 3) If it is a very high resolution grid you can try plotting every
>>>>>>>> other point or every third point using ::2 or ::3 syntax.
>>>>>>>>
>>>>>>>> If none of those solutions help please let the ncl-talk email list
>>>>>>>> know.
>>>>>>>> Adam
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, Sep 14, 2015 at 8:46 AM, Mariama Barr - Dallas <
>>>>>>>> bama4 at umbc.edu> wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>> Everytime I try to manually set the contour spacing to a value
>>>>>>>>> 40.0 and below, I get a
>>>>>>>>> "fatal:ContourPlotDraw: Workspace reallocation would exceed
>>>>>>>>> maximum size 100000000" error. Below is my code:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Mariama Barr-Dallas
>>>>>>>>> Meyerhoff Scholar/ NSA Scholar M23
>>>>>>>>> Computer Science Major, History Major
>>>>>>>>> University of Maryland Baltimore County
>>>>>>>>> Class of 2015
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> 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>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> ncl-talk mailing list
>>>>>>>> ncl-talk at ucar.edu
>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Mariama Barr-Dallas
>>>>>> Meyerhoff Scholar/ NSA Scholar M23
>>>>>> Computer Science Major, History Major
>>>>>> University of Maryland Baltimore County
>>>>>> Class of 2015
>>>>>>
>>>>>> _______________________________________________
>>>>>> ncl-talk mailing list
>>>>>> ncl-talk at ucar.edu
>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Mariama Barr-Dallas
>>>> Meyerhoff Scholar/ NSA Scholar M23
>>>> Computer Science Major, History Major
>>>> University of Maryland Baltimore County
>>>> Class of 2015
>>>>
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> ncl-talk at ucar.edu
>>>> List instructions, subscriber options, unsubscribe:
>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>
>>>>
>>>
>>
>>
>> --
>> Mariama Barr-Dallas
>> Meyerhoff Scholar/ NSA Scholar M23
>> Computer Science Major, History Major
>> University of Maryland Baltimore County
>> Class of 2015
>>
>> _______________________________________________
>> ncl-talk mailing list
>> ncl-talk at ucar.edu
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
>
--
Mariama Barr-Dallas
Meyerhoff Scholar/ NSA Scholar M23
Computer Science Major, History Major
University of Maryland Baltimore County
Class of 2015
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