[Matplotlib-users] IPython FITS file plotting problem

[Jens Nielsen]

Sure. The bug report is up at at
https://github.com/matplotlib/matplotlib/issues/6671


In the mean time you can either switch to 1.5.x or change the code to

plt.imshow(Z_read.astype('<f8'), origin = "lower")

best
Jens

On Fri, 1 Jul 2016 at 16:49 Halder, Anik <a.halder at jacobs-university.de>
wrote:

> Hi Jens,
>
> Thank you so very much for your help.
>
> Unfortunately I'm really am not too familiar with github. Will it be
> possible for you to open a discussion there and send me the link?
>
> Will be very obliged if you could do so.
>
> Thank you once again,
>
> Anik
> ------------------------------
> *From:* Jens Nielsen [jenshnielsen at gmail.com]
> *Sent:* Friday, July 01, 2016 5:21 PM
> *To:* Halder, Anik; matplotlib-users at python.org
> *Subject:* Re: [Matplotlib-users] IPython FITS file plotting problem
>
> I can reproduce your issue with matplotlib 2 beta1 but not with 1.51, See
> https://gist.github.com/jenshnielsen/86d4a86d8f667fadddc09f88c5fb87e6 I
> think this relates to the dtype of the data (see the last two cells of my
> notebook) can you open an issue for this at github? It seems like the fits
> data is converted from float32 to big endian float8.
>
> best
> Jens
>
> On Fri, 1 Jul 2016 at 15:23 anikhalder <a.halder at jacobs-university.de>
> wrote:
>
>> Dear all,
>>
>> I am facing a problem while running a script ( please find the attached
>> files - I am attaching both the ipython notebook version and also the
>> python
>> script ).
>>
>> I am trying to plot an array of values, write it into a FITS file format,
>> read it back again and plot it ---> I don't get the same plots!
>>
>> I shall be highly obliged if you can kindly help me with this.
>>
>> The following are the versions of my packages and compiler:
>>
>> matplotlib : '2.0.0b1'
>>
>> numpy : '1.11.0'
>>
>> astropy : u'1.1.2'
>>
>> python : 2.7
>>
>> Sincerely,
>> Anik Halder
>>
>> problem_fits_file.ipynb
>> <
>> http://matplotlib.1069221.n5.nabble.com/file/n47271/problem_fits_file.ipynb
>> >
>> problem_fits_file.py
>> <http://matplotlib.1069221.n5.nabble.com/file/n47271/problem_fits_file.py
>> >
>>
>>
>>
>> --
>> View this message in context:
>> http://matplotlib.1069221.n5.nabble.com/IPython-FITS-file-plotting-problem-tp47271.html
>> Sent from the matplotlib - users mailing list archive at Nabble.com.
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>
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