[ncl-talk] a bug in gsn_csm_vecto
Lech Lobocki
llobocki at is.pw.edu.pl
Wed Jun 8 10:53:09 MDT 2016
Dennis,
Plots are just like the ones from 6.1.2. It is reassuring to hear that
the issue was fixed in 6.4. Many thanks!
Perhaps a code compare of gsm_csm vector field plotting routines
from 6..3 and 6.4 would give the answer? Another possible
culprit can be the overlay procedure and the mechanisms related?
Lech
W dniu 08.06.2016 o 18:13, Dennis Shea pisze:
> 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
> <mailto: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 <ftp://ftp.cgd.ucar.edu> as
> lech.lobocki at is.pw.edu.pl <mailto: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 <mailto: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
>> <mailto:ncl-talk-bounces at ucar.edu> [ncl-talk-bounces at ucar.edu
>> <mailto:ncl-talk-bounces at ucar.edu>] on behalf of Key Tone
>> [keytone25 at gmail.com <mailto:keytone25 at gmail.com>]
>> *Sent:* Tuesday, June 07, 2016 10:49 PM
>> *To:* ncl-talk at ucar.edu <mailto:ncl-talk at ucar.edu>
>> *Subject:* [ncl-talk] Fwd: help
>>
>>
>> ---------- Forwarded message ----------
>> From: *Key Tone* <keytone25 at gmail.com
>> <mailto: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
>> <mailto: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 <mailto: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
>> <mailto:ncl-talk-bounces at ucar.edu>
>> [ncl-talk-bounces at ucar.edu
>> <mailto:ncl-talk-bounces at ucar.edu>] on behalf of Key Tone
>> [keytone25 at gmail.com <mailto:keytone25 at gmail.com>]
>> *Sent:* Tuesday, June 07, 2016 10:12 PM
>> *To:* ncl-talk at ucar.edu <mailto: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:
>> Inline image 1
>>
>> Here is the code I used to get this plot:
>> Inline image 2
>>
>>
>>
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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 <tel:%2B48%2822%29%20234-7606>
> fax: +48(22) 625-4305 <tel:%2B48%2822%29%20625-4305>
> e: lech.lobocki at is.pw.edu.pl <mailto:lech.lobocki at is.pw.edu.pl>
> http://www.meteo.is.pw.edu.pl/
> -------------------------------------------------------------------------
>
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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.pl
http://www.meteo.is.pw.edu.pl/
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