Re: [Matplotlib-users] Make clear figure used in the powerpoint slides?

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On Apr 23, 2014, at  8:35 AM, Chao YUE <cha...@gm...> wrote:

> yes, Ben, I understand the difference now.
> 
> To Mike: I have to select the region of the figure I need in the pdf file and paste it in the powerpoint ... Isn't this you're doing as well? 

Why do you need to select a region?  This takes a screen grab that will be terrible quality, doesn't it?  Just drag the file into powerpoint (or use insert/picture).  If you need to crop the PDF do that in Acrobat, or whatever PDF software you use.  

Cheers,   Jody

> 
> But fine, I can go with the current quality. Thanks to you all for this discussion.
> 
> Cheers,
> 
> Chao
> 
> 
> On Tue, Apr 22, 2014 at 3:31 PM, Benjamin Root <ben...@ou...> wrote:
> Yes, there is a difference if you use the button versus explicitly stating the dpi in a savefig call. When you use the button, matplotlib has to use the default dpi since there is no other way to specify it.
> 
> Cheers!
> Ben Root
> 
> 
> On Mon, Apr 21, 2014 at 5:03 PM, Chao YUE <cha...@gm...> wrote:
> Yes, in fact I set dpi as 1000, which is already very high. In fact I have another question, will there be any difference if I use the save button on the interactive plotting toolbar and use the command line figure.savefig('xx.png',dpi=1000)? 
> 
> Chao
> 
> 
> On Mon, Apr 21, 2014 at 10:59 PM, Jody Klymak <jk...@uv...> wrote:
> Did you set the dpi of the png?
> 
> Cheers,  Jody
> 
> 
> On Apr 21, 2014, at  13:50 PM, ChaoYue <cha...@gm...> wrote:
> 
>> OK, I tried but I don't really see the difference between jpg and png by my eyes in the attached case, maybe for other more complicated plots there will be real difference. Anyway, thanks to all for your nice discussions. And, BTW, I tried >2 hours trying to find a way to convert svg to emf, but now I konw :p
>> 
>> Cheers,
>> 
>> Chao
>> 
>> 
>> On Mon, Apr 21, 2014 at 9:49 PM, Benjamin Root-2 [via matplotlib] <[hidden email]> wrote:
>> JPGs will *always* have "bit blur" as it is a lossy image format. PNGs would be a better bet.
>> 
>> Ben Root
>> 
>> 
>> On Mon, Apr 21, 2014 at 3:33 PM, ChaoYue <[hidden email]> wrote:
>> Hi all,
>> 
>> Thank you all for your kind response. I am sorry, but none of these solutions significantly improved the visual quality on microsoft powerpiont 2007. Thought I didn't try eps. So probably l have to go with the current quality. 
>> here is a best case I have now: 
>> https://www.dropbox.com/s/0uhjogalz92hssm/different_figure_example.pptx
>> You can still see the "a bit blur" everywhere (currently with jpg being inserted directly). I didn't have better quality than this one by trying the method as suggested by you. Let me know if I am raising too much high demand for this.
>> 
>> Cheers,
>> 
>> Chao
>> 
>> 
>> On Mon, Apr 21, 2014 at 4:41 PM, Jonathan Slavin [via matplotlib] <[hidden email]> wrote:
>> Another alternative, if a vector graphics format doesn't work, is to make your png figure large.  Then when you shrink it down to fit in your slide, it should still have good resolution.
>> 
>> Jon
>> 
>> On Mon, Apr 21, 2014 at 10:13 AM, <[hidden email]> wrote:
>> No Powerpoint version I know supports SVG (or any vector graphics format useful in this case) and Matplotlib does not
>> export WMF graphics anymore. So the easiest way is to use PNGs, if you can live with raster graphics.
>> 
>> Alternatively, if you need vector graphics, you can export the Matplotlib plot as SVG and convert it to WMF or EMF using
>> Inkscape. This can be done in the command line like this:
>> 
>> "c:\Program Files\Inkscape-0.48\inkscape.exe" --without-gui --export-emf="output.emf" "input.svg"
>> 
>> 
>>   Juergen
>> 
>> 
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> 
> 
> 
> -- 
> please visit:
> http://www.globalcarbonatlas.org/
> ***********************************************************************************
> Chao YUE
> Laboratoire des Sciences du Climat et de l'Environnement (LSCE-IPSL)
> UMR 1572 CEA-CNRS-UVSQ
> Batiment 712 - Pe 119
> 91191 GIF Sur YVETTE Cedex
> Tel: (33) 01 69 08 29 02; Fax:01.69.08.77.16
> ************************************************************************************
> 
> ------------------------------------------------------------------------------
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> ***********************************************************************************
> Chao YUE
> Laboratoire des Sciences du Climat et de l'Environnement (LSCE-IPSL)
> UMR 1572 CEA-CNRS-UVSQ
> Batiment 712 - Pe 119
> 91191 GIF Sur YVETTE Cedex
> Tel: (33) 01 69 08 29 02; Fax:01.69.08.77.16
> ************************************************************************************