[ncl-talk] a bug in gsn_csm_vecto
Dennis Shea
shea at ucar.edu
Wed Jun 8 10:13:28 MDT 2016
Hello,
This failed using 6.3.0 (seg fault). It worked with 6.4.0 See attached.
I am not sure what changes were made that fixed the issue.
Cheers
D
On Wed, Jun 8, 2016 at 9:01 AM, Lech Lobocki <llobocki at is.pw.edu.pl> wrote:
> Dennis,
>
> while looking at gsn_csm_vector, please take look at memory issues,
> Yesterday
> I reported problems that arose between versions 6.1.2 and 6.3.0, and have
> been traced to gsn_csm_vector or gsn_csm_streamline. The code and the
> data file are rather lengthy, I uploaded these two files onto
> ftp.cgd.ucar.edu as lech.lobocki at is.pw.edu.pl
>
> In brief:
> - the whole script executes with no problems by NCL 6.1.2
> - It fails reporting "Segmentation fault" when executed
> by 6.3.0 (tried on two machines, a 4GB PC with Fedora 23
> and a 32GB server with CentOS 7 - both with a binary
> ncl package form fedora/centos repositories.
> - commenting out lines #252 and 254 - where gsn_csm_streamline is called
> allows the script to pass.
>
> Lech
>
>
> W dniu 08.06.2016 o 15:29, Dennis Shea pisze:
>
> In my opinion, there is a bug in gsn_csm_vector. I will open a ticket.
>
> Try the following.
>
> ;
> ; Generate dummy vector data arrays
> ;
> M = 30
> N = 30
> PI = 3.14159
>
> V = 10.0 * cos(onedtond((2.0 * PI / M) * ispan(0,M-1,1),(/N,M/)))
> U = 10.0 * cos(onedtond((2.0 * PI / N) * ispan(0,N-1,1),(/M,N/)))
> W = sqrt(U^2 +V^2)
>
> wks = gsn_open_wks ("x11", "vec_test")
> res = True
>
> res at tiMainString = "Title"
> vector = gsn_csm_vector_scalar(wks,U,V,W,res)
>
> res at lbOrientation = "vertical" ; vertical label bar
> vector = gsn_csm_vector_scalar(wks,U,V,W,res)
>
> delete(res at lbOrientation) ; return to horizontal
>
> res at vcRefAnnoOrthogonalPosF = -1.0 ; move ref vector up
> vector = gsn_csm_vector_scalar(wks,U,V,W,res)
>
> res at vcRefAnnoOrthogonalPosF = -0.125 ; move ref vector up
> vector = gsn_csm_vector_scalar(wks,U,V,W,res)
>
>
>
> On Wed, Jun 8, 2016 at 6:54 AM, Kacie Shourd <Kacie.Shourd at dri.edu> wrote:
>
>> You could also try to move the label bar up closer to the plot. Try
>> poking around here: http://www.ncl.ucar.edu/Applications/labelbar.shtml
>> Specifically *pmLabelBarOrthogonalPosF*
>> <http://www.ncl.ucar.edu/Document/Graphics/Resources/pm.shtml#pmLabelBarOrthogonalPosF>
>> or *pmLabelBarParallelPosF
>> <http://www.ncl.ucar.edu/Document/Graphics/Resources/pm.shtml#pmLabelBarOrthogonalPosF>.*
>>
>> best
>> Kacie
>> ------------------------------
>> *From:* ncl-talk-bounces at ucar.edu [ncl-talk-bounces at ucar.edu] on behalf
>> of Key Tone [keytone25 at gmail.com]
>> *Sent:* Tuesday, June 07, 2016 10:49 PM
>> *To:* ncl-talk at ucar.edu
>> *Subject:* [ncl-talk] Fwd: help
>>
>>
>> ---------- Forwarded message ----------
>> From: Key Tone <keytone25 at gmail.com>
>> Date: Wed, Jun 8, 2016 at 1:33 AM
>> Subject: Re: [ncl-talk] help
>> To: Kacie Shourd <Kacie.Shourd at dri.edu>
>>
>>
>> Hmm, even when I adjusted, it appears the legend still is cut off. Do you
>> think this may be something more than just a resizing issue?
>>
>> Thanks
>>
>> On Wed, Jun 8, 2016 at 1:22 AM, Kacie Shourd <Kacie.Shourd at dri.edu>
>> wrote:
>>
>>> Hi!
>>>
>>> It should work if you make the wks bigger.
>>>
>>> try adding this bit of code:
>>>
>>> wks_type = "x11"
>>> wks_type at wkWidth = 2500
>>> wks_type at wkHeight = 2500
>>> wks = gsn_open_wks(wks_type, "cyclone_wind")
>>>
>>> And adjust the numbers for width and height as necessary until the
>>> legend is no longer cut off.
>>>
>>> Best,
>>> Kacie
>>>
>>> ------------------------------
>>> *From:* ncl-talk-bounces at ucar.edu [ncl-talk-bounces at ucar.edu] on behalf
>>> of Key Tone [keytone25 at gmail.com]
>>> *Sent:* Tuesday, June 07, 2016 10:12 PM
>>> *To:* ncl-talk at ucar.edu
>>> *Subject:* [ncl-talk] help
>>>
>>> Hello,
>>>
>>> For the vector plot, below, what should I include in my code to get the
>>> legend to show? It looks cut off:
>>> [image: Inline image 1]
>>>
>>> Here is the code I used to get this plot:
>>> [image: Inline image 2]
>>>
>>>
>>>
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>>>
>>
>>
>>
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>
>
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>
> --
> -------------------------------------------------------------------------
> Lech Łobocki, Ph.D., D.Sc.
> Professor,
> Department of Environmental Engineering
> Warsaw University of Technology
> 00-653 Warszawa, Nowowiejska 20, Poland
> Tel. +48(22) 234-7606
> fax: +48(22) 625-4305
> e: lech.lobocki at is.pw.edu.plhttp://www.meteo.is.pw.edu.pl/
> -------------------------------------------------------------------------
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