[AstroPy] numarray pdf 1.5 is broken. Using numdisplay, Python, PIL, and Tkinter

Cohen-Tanugi Johann cohen@lpta.in2p3...
Tue Apr 7 06:44:39 CDT 2009


looks like you have a conflict of namespace.
Do
import matplotlib as mpl

and then
mpl.figure()

Johann

Wayne Watson wrote:
> This balked at the fig= line
>
>     ntuser/fun-pyfits.py", line 6, in <module>
>         fig = figure()
>     TypeError: 'module' object is not callable
>
> I'm using image = pyfits.getdata('mpl51.fits'), and that's OK.
>
> Thomas Robitaille wrote:
>> Have you tried matplotlib? For example:
>>
>> from matplotlib import figure
>> import pyfits
>>
>> image = pyfits.getdata('lena.fits')
>>
>> fig = figure()
>> ax = fix.add_subplot(111)
>> ax.imshow(image)
>> fig.canvas.draw()
>>
>> You can use matplotlib to do interactive stuff. If you really want to 
>> use Tkinter to display FITS images, I can send you an example.
>>
>> Best,
>>
>> Thomas
>>
>> On 6 Apr 2009, at 08:32, Wayne Watson wrote:
>>
>>> Hi, it must be than that the version of the pyfits user manual I found
>>> is out of date, since it talks about numarray.
>>> I just wanted to confirm that I understood the role of ds9, which is as
>>> you essentially wrote, is a program and not a python module.
>>> I just found the numpy manual, Dec. 7, 2006, by Oliphant. Is that the
>>> current one? It mentions fits once, and image about 5 times (mostly as
>>> what seems to be a module). Here are a few lines from the manual:
>>>
>>>    • nd image –> scipy.ndimage
>>>    • convolve –> scipy.stsci.convolve
>>>    • image –> scipy.stsci.image
>>>    If you don’t want to install all of scipy, you can grab just these
>>>    packages from SVN
>>>    using
>>>
>>>
>>> imshow is not found in it. The manual is close to 350 pages. I 
>>> certainly
>>> don't want to print it if it doesn't meet my needs. To put it in terms
>>> of Python, consider:
>>>
>>> import Image
>>> im = Image.open("lena.ppm")
>>> print im.format, im.size, im.mode
>>> im.show()
>>>
>>> I'm looking for a capability somewhat like that above for fits, and not
>>> ppm. show is pretty primitive, but the the idea is that I want this
>>> little program to display lena.fits.
>>>
>>>
>>> Cohen-Tanugi Johann wrote:
>>>> hi Wayne, I am not sure I understand your request, but :
>>>> 1) numarray is obsolete, use numpy.
>>>> 2) ds9 is meant to display fits image, it has nothing to do with
>>>> internet AFAIK. You also have FV from HEASARC.
>>>> 3) if you need to just visualize a fits image as an array, you have
>>>> several possibilities in numpy : imshow, pcolor, etc.... check the
>>>> user(s guide.
>>>>
>>>> HTH,
>>>> Johann
>>>>
>>>> Wayne Watson wrote:
>>>>> I tried downloading the numarray from the web and Acrobat burped. It
>>>>> came up with an error. Where is the official site for it?
>>>>>
>>>>> It appears to display a fits image one must either use numdisplay or
>>>>> some combo of numarray and Python's PIL and a GUI like Tkinter. I
>>>>> really want to use Python in such a manner if it is possible. From
>>>>> what little I know about DS9, it is an internet viewer.
>>>>> -- 
>>>>> Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
>>>>>
>>>>> (121.01 Deg. W, 39.26 Deg. N) GMT-8 hr std. time)****
>>>>>
>>>>> "Less than all cannot satisfy Man." -- William Blake
>>>>> ------------------------------------------------------------------------ 
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> AstroPy mailing list
>>>>> AstroPy@scipy.org
>>>>> http://mail.scipy.org/mailman/listinfo/astropy
>>>>
>>>
>>> -- 
>>>
>>>           Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
>>>
>>>             (121.01 Deg. W, 39.26 Deg. N) GMT-8 hr std. time)****
>>>
>>>          "Less than all cannot satisfy Man." -- William Blake
>>>
>>>
>>> _______________________________________________
>>> AstroPy mailing list
>>> AstroPy@scipy.org
>>> http://mail.scipy.org/mailman/listinfo/astropy
>>
>>
>
> -- 
>            Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
>
>              (121.01 Deg. W, 39.26 Deg. N) GMT-8 hr std. time)****
>
>           "Less than all cannot satisfy Man." -- William Blake
>           
> ------------------------------------------------------------------------
>
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> AstroPy mailing list
> AstroPy@scipy.org
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