Re: [R] Reducing the size of pdf graphics files produced with R

From: Chabot Denis <>
Date: Tue, 22 May 2007 13:28:22 -0400

Thank you Sundar,

Do plots being so reduced remain object based (i.e. not bitmaps)?

Le 07-05-22 à 13:19, Sundar Dorai-Raj a écrit :

> You need not buy Acrobat. There are two free software programs that
> will compress pdf files:
> (and in particular GSView)
> They both allow several levels of compression.
> Thanks,
> --sundar
> Chabot Denis said the following on 5/22/2007 3:32 AM:
>> Hi,
>> Without trying to print 1000000 points (see <http://
>>>), I often
>> print maps for which I do not want to loose too much of coastline
>> detail, and/or plots with 1000-5000 points (yes, some are on top
>> of each other, but using transparency (i.e. rgb colors with
>> alpha information) this actually comes through as useful
>> information.
>> But the files are large (not as large as in the thread above of
>> course, 800 KB to about 2 MB), especially when included in a
>> LaTeX document by the dozen.
>> Acrobat (not the reader, the full program) has an option "reduce
>> file size". I don't know what it does, but it shrinks most of my
>> plots to about 30% or original size, and I cannot detect any loss
>> of detail even when zooming several times. But it is a pain to do
>> this with Acrobat when you generate many plots... And you need to
>> buy Acrobat.
>> Is this something the pdf device could do in a future version? I
>> tried the "million points" example from the thread above and the
>> 55 MB file was reduced to 6.9 MB, an even better shrinking I see
>> on my usual plots.
>> Denis Chabot
>> ______________________________________________
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>> PLEASE do read the posting guide
>> guide.html
>> and provide commented, minimal, self-contained, reproducible code. mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Tue 22 May 2007 - 19:21:40 GMT

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