[ncl-talk] Contour Plot Help
Dennis Shea
shea at ucar.edu
Wed Sep 16 09:47:26 MDT 2015
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
>
>
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