You can use os.system:
import os
os.system("convert..... ")
On Oct 10, 2014 12:54 PM, <sato...@gmail.com> wrote:
> Hi,
> I have an idea using ImageMagic.
>
> In terminal:
> $ convert -resize x350 file.png file2.png
>
> In notebook:
> from IPython.display import display, Image
> display(Image('/path/to/directory/file2.png'))
>
> Would you please show me how to do "convert -resize x350 file.png
> file2.png" in notebook ?
>
> I usually input the following.
> $ sage -ipython notebook
> from sage.all import *
> ...
>
> Thanks,
> Y. Sato
>
> 2014年9月29日月曜日 11時47分19秒 UTC+9 sat...@gmail.com:
>>
>> Hi,
>>
>> I made an example.
>>
>> from IPython.display import display, Image
>> x = var('x')
>> plot(sin(x), 0, 2*pi, figsize= 4).save('/path/to/directory/file.png')
>> display(Image('/path/to/directory/file.png'))
>>
>> Thanks.
>> y. Sato
>> On Sunday, September 28, 2014 11:57:52 AM UTC+9, P Purkayastha wrote:
>>>
>>> You can use the "figsize" keyword to resize your image. See this:
>>> http://www.sagemath.org/doc/reference/plotting/sage/plot/
>>> graphics.html#sage.plot.graphics.Graphics.show
>>>
>>> More examples can be found in the plot() documentation:
>>> http://www.sagemath.org/doc/reference/plotting/sage/plot/
>>> plot.html#sage.plot.plot.plot
>>>
>>> On Friday, September 26, 2014 11:04:45 AM UTC+8, sat...@gmail.com wrote:
>>>>
>>>> Hello,
>>>>
>>>> Would you teach me how to change image size ?
>>>>
>>>> Thanks!
>>>>
>>>
>>
>>> Yoshihiro Sato
>>>>
>>>> On Thursday, June 6, 2013 4:18:54 PM UTC+9, Jose Guzman wrote:
>>>>>
>>>>> This was a very good idea!
>>>>>
>>>>> Now I generate the plots as you mentioned:
>>>>>
>>>>> The trick was to use IPython.display to take the png files. Like this:
>>>>>
>>>>>
>>>>> x = var('x')
>>>>> plot(sin(x), 0, 2*pi).save('/path/to/directory/file.png')
>>>>> from IPython.display import display, Image
>>>>> display(Image('/path/to/directory/file.png'))
>>>>>
>>>>> On Sunday, June 2, 2013 11:34:06 AM UTC+2, P Purkayastha wrote:
>>>>>>
>>>>>> In Sage the plots appear "inline", but the plots are saved as files
>>>>>> in a directory structure within the working worksheet directory. From my
>>>>>> reading here:
>>>>>> http://ipython.org/ipython-doc/dev/interactive/htmlnotebook.html#the-
>>>>>> notebook-format
>>>>>> it appears that the ipython notebook saves everything inside a single
>>>>>> json file, which is probably also how one gets everything "inline". I am
>>>>>> just thinking out loud; not sure if this is exactly how it works - but it
>>>>>> does look like it is not compatible with how the Sage plots work.
>>>>>>
>>>>>> There are two possible solutions:
>>>>>> 1. Find out how matplotlib plots are handled. They must be saved in
>>>>>> some directory as png files before they are displayed in the ipython
>>>>>> notebook. If you can find that directory, then give that path along with
>>>>>> a
>>>>>> file name to the Sage's plot command, like this:
>>>>>>
>>>>>> plot(x).save('/path/to/directory/file.png')
>>>>>>
>>>>>>
>>>>>> 2. Use Sage to plot, but at the last step, take the matplotlib Figure
>>>>>> object out of sage. Then use some direct matplotlib calls to show this
>>>>>> figure (I don't know exactly what they should be), like this:
>>>>>>
>>>>>> p = plot(x) + plot(x^2) + list_plot(range(5))
>>>>>> pm = p.matplotlib(<pass other options as you see fit>) # This is a
>>>>>> matplotlib Figure object
>>>>>> from matplotlib import pyplot as plt
>>>>>> # Some matplotlib commands which can incorporate this Figure object
>>>>>> into the plt object
>>>>>> plt.show()
>>>>>>
>>>>>>
>>>>>> On Friday, May 31, 2013 9:41:34 PM UTC+8, Jose Guzman wrote:
>>>>>>>
>>>>>>> Hi everyboydy!
>>>>>>>
>>>>>>>
>>>>>>> Is there any way to display Sage plots in inline mode? I've tried
>>>>>>> sage
>>>>>>> ipython notebook -pylab=inline but It did not work.
>>>>>>>
>>>>>>>
>>>>>>> Declaring %pylab inline does not help, for example:
>>>>>>>
>>>>>>> >>> from sage.all import*
>>>>>>> >>> t = var('t')
>>>>>>> >>> plot(sin(t), 0, 2*pi)
>>>>>>>
>>>>>>> n _plot_args(self, tup, kwargs)
>>>>>>> 290 tup = tup[:-1]
>>>>>>> 291 elif len(tup) == 3:
>>>>>>> --> 292 raise ValueError('third arg must be a format
>>>>>>> string')
>>>>>>> 293 else:
>>>>>>> 294 linestyle, marker, color = None, None, None
>>>>>>>
>>>>>>> ValueError: third arg must be a format string
>>>>>>>
>>>>>>> Thanks!
>>>>>>>
>>>>>>> Jose
>>>>>>>
>>>>>>> --
>>>>>>> Jose Guzman
>>>>>>> http://www.ist.ac.at/~jguzman/
>>>>>>>
>>>>>> --
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