Re: [Matplotlib-users] Shadows are really large in exported PNG file

2015-09-03 Thread Richard Stanton 
A quick follow-up: if I export to a jpg file, I get the same huge shadow. If I 
export to a PDF file, the shadow looks much more like it does on the screen.


> On Sep 3, 2015, at 1:07 PM, Richard Stanton  wrote:
> 
> I’m trying to create a pie chart for a presentation. If I turn on shadows, 
> they look fine on the screen (in an IPython notebook), but when I export the 
> file to a PNG file, the shadow is way larger, and looks pretty ugly. Is this 
> a bug? And is there a way to shrink the size of the shadow? 
> 
> Here’s some sample code that shows the problem:
> 
> import matplotlib.pyplot as plt
> numbers = [4380.0, 2474.0, 158]
> explode=(0, 0, 0.5)
> plt.pie(numbers, explode=explode,shadow=True)
> plt.axis('equal')
> plt.savefig(‘grap.png’, dpi=400)
> 
> Thanks for any suggestions.
> 
> By the way, I’m using Matplotlib version 1.4.3 with the Anaconda distribution 
> under OS X.
> 
> Richard Stanton


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Re: [Matplotlib-users] Shadows are really large in exported PNG file

2015-09-03 Thread Sterling Smith 
For those who wonder what he means: 

on the left is TkAgg; on the right is png.

-Sterling

On Sep 3, 2015, at 1:13PM, Richard Stanton  wrote:

> A quick follow-up: if I export to a jpg file, I get the same huge shadow. If 
> I export to a PDF file, the shadow looks much more like it does on the screen.
> 
> 
>> On Sep 3, 2015, at 1:07 PM, Richard Stanton  
>> wrote:
>> 
>> I’m trying to create a pie chart for a presentation. If I turn on shadows, 
>> they look fine on the screen (in an IPython notebook), but when I export the 
>> file to a PNG file, the shadow is way larger, and looks pretty ugly. Is this 
>> a bug? And is there a way to shrink the size of the shadow? 
>> 
>> Here’s some sample code that shows the problem:
>> 
>> import matplotlib.pyplot as plt
>> numbers = [4380.0, 2474.0, 158]
>> explode=(0, 0, 0.5)
>> plt.pie(numbers, explode=explode,shadow=True)
>> plt.axis('equal')
>> plt.savefig(‘grap.png’, dpi=400)
>> 
>> Thanks for any suggestions.
>> 
>> By the way, I’m using Matplotlib version 1.4.3 with the Anaconda 
>> distribution under OS X.
>> 
>> Richard Stanton
> 
> 
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Re: [Matplotlib-users] Shadows are really large in exported PNG file

2015-09-03 Thread Mark Voorhies 
This appears to be DPI dependent.

Changing the last line of Richard's example to

plt.savefig("grap.png")

gives a PNG with a shadow similar to that generated by TkAgg.

--Mark

On 09/03/2015 01:17 PM, Sterling Smith wrote:
> For those who wonder what he means:
> on the left is TkAgg; on the right is png.
>
> -Sterling
>
> On Sep 3, 2015, at 1:13PM, Richard Stanton  > wrote:
>
>> A quick follow-up: if I export to a jpg file, I get the same huge shadow. If 
>> I
>> export to a PDF file, the shadow looks much more like it does on the screen.
>>
>>
>>> On Sep 3, 2015, at 1:07 PM, Richard Stanton >> > wrote:
>>>
>>> I’m trying to create a pie chart for a presentation. If I turn on shadows,
>>> they look fine on the screen (in an IPython notebook), but when I export the
>>> file to a PNG file, the shadow is way larger, and looks pretty ugly. Is this
>>> a bug? And is there a way to shrink the size of the shadow?
>>>
>>> Here’s some sample code that shows the problem:
>>>
>>> import matplotlib.pyplot as plt
>>> numbers = [4380.0, 2474.0, 158]
>>> explode=(0, 0, 0.5)
>>> plt.pie(numbers, explode=explode,shadow=True)
>>> plt.axis('equal')
>>> plt.savefig(‘grap.png’, dpi=400)
>>>
>>> Thanks for any suggestions.
>>>
>>> By the way, I’m using Matplotlib version 1.4.3 with the Anaconda 
>>> distribution
>>> under OS X.
>>>
>>> Richard Stanton
>>
>>
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>
>
>
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>
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