[IPython-User] ipython notebook help

[Darren Govoni]

Do any of the image processing cells in your image notebook (which is
great help btw!) implicitly leverage
ipython's parallel flows at all? 

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
>         
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> 
> 
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