Have you tried setting the rcParams "pdf.fonttype" to 3?  That should 
subset the fonts.

Also, the Cairo backend supports font subsetting.

Mike

On 05/27/2011 07:00 AM, Simon Jesenko wrote:
> Hi,
>
> I have a problem with large file-sizes of plots saved to pdf, when using
> rcParams['text.usetex']=True
>
> Files are very large (~150kb for simple line plot with some mathematical
> latex expressions) as all fonts are fully embedded into pdf. When
> resulting pdf is postprocessed (e.g. as is
> http://zeppethefake.blogspot.com/2008/05/embedding-fonts-in-pdf-with-ghostscript.html),
> so that only subset of fonts is embedded, file size is reduced
> drastically(e.g. from 150kb to 15kb).
>
> Is there a way to enable embedding of subset of fonts in matplotlib?
>
> I am using matplotlib version 0.99.3.
>
> Did anyone else experience similar problems/found solution?
>
> Thank you for info/assistance!
> Simon
>
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