Re: Segmentation fault, nglYAxisType

Hi, Mary

Thank you very much. It fixes the problem!

Best regards,
Kolya

On Wed, Jul 21, 2010 at 3:43 PM, Mary Haley <haley@ucar.edu> wrote:
> Hi Koyla,
>
> I've figured out why it's core dumping, but I'm not sure what the proper fix is.
>
> The problem is that an sfYArray is being set, but no sfXArray. Internally, PyNGL
> is trying to retrieve sfXArray, and fails on this.
>
> The work-around is to go ahead and set sfXArray to what it's defaulting to:
>
> resources.sfXArray        = [0,1,2,3,4,5,6,7,8,9]
>
> I'm in a workshop this week. I'll try to look at this more later.
>
> --Mary
>
> On Jul 20, 2010, at 4:35 PM, Nikolay Koldunov wrote:
>
>> Hello Sasha,
>>
>> Thanks for your response. But the resulting image still have irregular
>> Y axis, and additionally
>> resources.trYReverse      = True
>> doesn't work :(
>>
>> I believe that the name of the resource is right and there is
>> something else that I missing, or there is something wrong in the Ngl
>> code.
>>
>> Anyway many thanks for your try!
>>
>> Kolya
>>
>> On Tue, Jul 20, 2010 at 11:54 PM, Oleksandr Huziy <guziy.sasha@gmail.com> wrote:
>>> Hello Kolya,
>>>
>>> works for me like this(produced image is attached), this is my first use of
>>> ngl))
>>>
>>> import Ngl
>>> import numpy
>>>
>>>
>>> def main():
>>>     foo = numpy.load('outfile1.npz')
>>>     print 'loaded'
>>>     print repr(foo)
>>>     llev = foo['arr_0']
>>>     temp_prof  = foo['arr_1']
>>>
>>> #    llev = numpy.arange(0,10.0,0.1)
>>> #    temp_prof = 0.25 * llev
>>>
>>>     print 'read in the array'
>>>
>>>     wkres = Ngl.Resources()
>>>  #   wkres.wkColorMap = "gui_default"
>>>     wks_type = "ps"
>>>     wks = Ngl.open_wks(wks_type,"axix_line",wkres)
>>>
>>>     resources = Ngl.Resources()
>>>     resources.sfMissingValueV = -9.99999978e22
>>>     resources.sfYArray        = llev[:]
>>>     resources.trYAxisType = "LinearAxis" #I think your error was here, the
>>> name of the resource was wrong
>>>
>>>     resources.trYLog        = False
>>>
>>>     resources.cnFillOn        = True
>>>     resources.trYReverse      = True
>>>
>>>     print temp_prof.shape
>>>     print llev.shape
>>>
>>>     Ngl.contour(wks, temp_prof,resources)
>>>     Ngl.end()
>>>
>>> if __name__ == '__main__':
>>>     main()
>>>
>>> --
>>> good luck
>>> Sasha
>>>
>>>
>>>
>>> 2010/7/20 Nikolay Koldunov <koldunovn@gmail.com>
>>>>
>>>> Dear list members,
>>>>
>>>> I have a problem with nglYAxisType resource. When I am trying to set
>>>> it to "linearaxis" or "logaxis" it cause segmentation fault error.
>>>> Default "irregularaxis" works fine.
>>>> I test it with different data values (salinity and temperature) but
>>>> the error is still there.
>>>>
>>>> My script and two files with the data are in attachment.
>>>>
>>>> version = '1.3.0b3'
>>>> array_module = 'numpy'
>>>> array_module_version = '1.3.0'
>>>> python_version = '2.6'
>>>>
>>>> Any help will be very much appreciated.
>>>>
>>>> Kolya
>>>>
>>>> --
>>>> Nikolay Koldunov
>>>> University of Hamburg
>>>> Institute of Oceanography
>>>> KlimaCampus
>>>>
>>>> koldunovn@gmail.com
>>>> nikolay.koldunov@zmaw.de
>>>> ph. +49 40 42838 7580
>>>> Grindelberg 5, room 211,
>>>> 20144 Hamburg, Germany
>>>>
>>>> _______________________________________________
>>>> pyngl-talk mailing list
>>>> List instructions, subscriber options, unsubscribe:
>>>> http://mailman.ucar.edu/mailman/listinfo/pyngl-talk
>>>>
>>>
>>>
>>
>>
>>
>> --
>> Nikolay Koldunov
>> University of Hamburg
>> Institute of Oceanography
>> KlimaCampus
>>
>> koldunovn@gmail.com
>> nikolay.koldunov@zmaw.de
>> ph. +49 40 42838 7580
>> Grindelberg 5, room 211,
>> 20144 Hamburg, Germany
>> _______________________________________________
>> pyngl-talk mailing list
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/pyngl-talk
>
>

-- 
Nikolay Koldunov
University of Hamburg
Institute of Oceanography
KlimaCampus
koldunovn@gmail.com
nikolay.koldunov@zmaw.de
ph. +49 40 42838 7580
Grindelberg 5, room 211,
20144 Hamburg, Germany