[IPython-User] ipython notebook help

Darren Govoni darren@ontrenet....
Wed Jul 18 17:15:04 CDT 2012


Ok, I got it to work now. :)

On Wed, 2012-07-18 at 18:10 -0400, Darren Govoni wrote:

> Hi MinRK,
>    I tried your notebook, but when I execute the cell "imshow(img)" no
> image is shown in the notebook.
> All the previous cells execute without error that I can tell.
> 
> D
> 
> On Wed, 2012-07-18 at 16:49 -0500, MinRK wrote:
> 
> > 
> > 
> > On Wed, Jul 18, 2012 at 4:12 PM, Thomas Kluyver <takowl@gmail.com>
> > wrote:
> > 
> >         Hi Darren, 
> >         
> >         On 18 July 2012 22:01, Darren Govoni <darren@ontrenet.com>
> >         wrote:
> >         > 1) Is there a thorough tutorial on notebook? From hello
> >         world to the UI
> >         > features?
> >         
> >         
> >         There's a folder of example notebooks, including an
> >         introduction one.
> >         They may have come with your installation, depending on
> >         where you got
> >         it from, or you can get them here:
> >         https://github.com/ipython/ipython/tree/master/docs/examples/notebooks 
> >         
> >         > 2) I want to do some image processing with it. Is there an
> >         example (or is it possible) > to interact with image data?
> >         e.g. run some ipython code, return/display the image result?
> >         
> >         
> >         It's certainly possible, although I don't know if there's an
> >         example
> >         yet. For simple cases, matplotlib has imread() and imshow()
> >         functions.
> >         Working with PIL might need a little integration, but
> >         hopefully just a
> >         few extra lines. 
> > 
> > 
> > 
> > Here is a notebook I made while trying to follow along with one of
> > Fernando's Py4Science tutorials, which covered working with image
> > data:
> > 
> > 
> > https://gist.github.com/3139142
> > 
> > 
> > It includes the code for automatically displaying PIL objects as
> > images in the notebook, which I added later:
> > 
> > 
> > from io import BytesIO
> > 
> > 
> > def display_image(img, format='PNG'):
> >     fp = BytesIO()
> >     img.save(fp, format=format)
> >     return fp.getvalue()
> > 
> > 
> > ip = get_ipython()
> > png_formatter = ip.display_formatter.formatters['image/png']
> > png_formatter.for_type_by_name('Image', 'Image', display_image)
> > 
> > 
> > which we might want to have on by default.
> > 
> > 
> > -MinRK
> > 
> > 
> >  
> > 
> >         
> >         Best wishes,
> >         Thomas 
> >         _______________________________________________
> >         IPython-User mailing list
> >         IPython-User@scipy.org
> >         http://mail.scipy.org/mailman/listinfo/ipython-user
> >         
> > 
> > 
> > 
> > _______________________________________________
> > IPython-User mailing list
> > IPython-User@scipy.org
> > http://mail.scipy.org/mailman/listinfo/ipython-user
> 
> 


-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.scipy.org/pipermail/ipython-user/attachments/20120718/62ef30be/attachment.html 


More information about the IPython-User mailing list