Re: [Matplotlib-users] Save figure without surrounding frame

[Arne.Bittig <arn...@in...>]

Yes, that is indeed what I was looking for - and it's significantly 
easier than I expected.

Thanks everybody.

Arne

Ryan Krauss wrote:
> My solution and Darren's do nearly the same thing.
> 
> On 4/6/06, Ryan Krauss <rya...@gm...> wrote:
> 
>>Not a problem.  Go into your matplotlibrc file and change these lines:
>>
>># The figure subplot parameters.  All dimensions are fraction of the
>># figure width or height
>>figure.subplot.left  : 0.001  # the left side of the subplots of the figure
>>figure.subplot.right : 0.999    # the right side of the subplots of the figure
>>figure.subplot.bottom : 0.001   # the bottom of the subplots of the figure
>>figure.subplot.top : 0.999
>>figure.subplot.wspace : 0.001   # the amount of width reserved for
>>blank space between subplots
>>figure.subplot.hspace : 0.001   # the amount of height reserved for
>>white space between subplots
>>
>>They control the white space around the frame where the axes go.  With
>>the above values, I created the attached plot which I think is close
>>to what you want.
>>
>>Ryan
>>
>>On 4/6/06, Michael V. De Palatis <mde...@ma...> wrote:
>>
>>>Arne,
>>>
>>>I don't know about the "real" solution to this problem, but if you
>>>want to go the route of "artificially" solving it with an image
>>>library for post processing, you can check out Python Imaging Library:
>>>
>>>http://www.pythonware.com/products/pil/
>>>
>>>Mike
>>>
>>>On Thu, Apr 06, 2006 at 02:36:55PM +0200, Arne.Bittig wrote:
>>>
>>>>Sorry, maybe I didn't make that clear enough.
>>>>
>>>>I was talking about a graph as in "graph theory". Since there is no
>>>>meaningful way to label the axes, and, in fact, no reason to show them
>>>>at all, the white space I was talking about is just where in your
>>>>picture there are the labels. So, looking at your example, what I'd like
>>>>to have is what's inside the black rectangle, i.e. a png where the blue
>>>>curve touches the top and the bottom of the image.
>>>>
>>>>Arne
>>>>
>>>>Ryan Krauss wrote:
>>>>
>>>>
>>>>>I don't think this is the default behavior.  If I do
>>>>>
>>>>>t=arange(0,1,0.01)
>>>>>y=sin(2*pi*t)
>>>>>plot(t,y)
>>>>>xlabel('Time (sec)')
>>>>>ylabel('Amplitude')
>>>>>savefig('test.png')
>>>>>
>>>>>I get the attached png without the extra border you describe.
>>>>>
>>>>>Ryan
>>>>>
>>>>>
>>>>>On 4/6/06, Arne.Bittig <arn...@in...> wrote:
>>>>>
>>>>>
>>>>>>Hi,
>>>>>>
>>>>>>I am using matplotlib to draw graphs. When I try to save a picture
>>>>>>(using savefig; usually as png, but at some point I might need eps files
>>>>>>as well), the actual graph comprises less than the central 50% of the
>>>>>>image, the rest of the image is wasted space.
>>>>>>
>>>>>>I already tried figure(frameon = False, facecolor = 'w') and box(False)
>>>>>>to get rid of the redundant frame, but apparently it did not help (apart
>>>>>
>>>>>>from removing the black frame, obviously, but what I want is to save
>>>>>
>>>>>>only what is inside this frame).
>>>>>>
>>>>>>Any ideas how to do this? If not, does anyone know a python tool that
>>>>>>handles pngs and would enable me to crop the picture in a second step?
>>>>>>
>>>>>>Arne
>>>>>>
>>>>>>
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>>
>>
>>