or possibly use smoothScatter() to produce the scatter plots....
On Fri, Apr 30, 2010 at 12:06 PM, ONKELINX, Thierry
<thierry.onkel...@inbo.be> wrote:
> Dear Nevil,
>
> Converting your pdf to png will be the most efficient way to reduce the
> file size with scatter plots.
>
> You can either export directly to pdf or first create a pdf and then use
> ghostscript to convert it into png. I tend to the the latter because it
> is easier to get plots with a consistent layout. The convertion can be
> done within R. See the code below.
>
> system("C:/Progra~1/gs/gs8.64/bin/gswin32 -r300 -dSAFER -dBATCH
> -dNOPAUSE -sDEVICE=png16m -dGraphicsAlphaBits=4
> -sOutputFile=fig_Power_Resid.png fig_Power_Resid.pdf")
>
> HTH,
>
> Thierry
> ------------------------------------------------------------------------
> ----
> ir. Thierry Onkelinx
> Instituut voor natuur- en bosonderzoek
> team Biometrie & Kwaliteitszorg
> Gaverstraat 4
> 9500 Geraardsbergen
> Belgium
>
> Research Institute for Nature and Forest
> team Biometrics & Quality Assurance
> Gaverstraat 4
> 9500 Geraardsbergen
> Belgium
>
> tel. + 32 54/436 185
> thierry.onkel...@inbo.be
> www.inbo.be
>
> To call in the statistician after the experiment is done may be no more
> than asking him to perform a post-mortem examination: he may be able to
> say what the experiment died of.
> ~ Sir Ronald Aylmer Fisher
>
> The plural of anecdote is not data.
> ~ Roger Brinner
>
> The combination of some data and an aching desire for an answer does not
> ensure that a reasonable answer can be extracted from a given body of
> data.
> ~ John Tukey
>
>
>> -----Oorspronkelijk bericht-----
>> Van: r-help-boun...@r-project.org
>> [mailto:r-help-boun...@r-project.org] Namens Nevil Amos
>> Verzonden: vrijdag 30 april 2010 1:37
>> Aan: Greg Snow
>> CC: r-help@r-project.org
>> Onderwerp: Re: [R] reduce size of pdf
>>
>> The file is a large number of scatterplot matrices (120pp of 4x4
>> matrix) the individual plots may have up to several hudred points.
>>
>> I am already using the "useDingbats" but the files are still
>> very large
>> - I can reduce them about 50% in cute.pdf by changing the dpi
>> setting but it would be good to handle directly in R
>>
>> They need to be screen/ draft print quality only not for publication.
>>
>> They are being used to ciruclate to a number of people for discussion
>>
>>
>>
>>
>> On 30/04/2010 2:20 AM, Greg Snow wrote:
>> > It would help if we knew how big your pdf is and why it is
>> big. Can you show an example or at least describe the
>> process used to generate the file and what you goals are in
>> creating/displaying the file?
>> >
>> >
>>
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>>
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