[R] Graphics output device

[Michael Lapsley]

Thank for the very prompt reply.

On 01-Oct-99 Prof Brian D Ripley wrote:
> On Fri, 1 Oct 1999, Michael Lapsley wrote:

>> I wonder would you consider making a save to a graphics file format (as
>> opposed
>> to ps)?
> 
> You don't tell us the platform you are using, but I guess Unix (because of
> xv). Powerpoint only runs on Windows to my knowledge, and the Windows
> version of R already has saves to the sort of files Powerpoint likes, for
> example Windows metafiles and .gifs.  Because you can use the vector-format
> metafiles this avoids multiple rasterization effects. (It would be not at
> all easy to do wmf on Unix versions of R.)
> 

Sorry:  Linux Redhat 5.2 with kernel 2.2.2 and gs 5.50.  R version 0.64.
I have a dual boot machine and copied the graphics to the dos partition.
> 

>> never succeeded in getting the colours to display properly:  white
>> backgrounds
>> turned out a peculiar transparent dirty kahki colour. (I think this must be
>> a
>> ghostscript bug, but one that I have only ever seen tickled by R).  In the
>> end
> 
> You could try re-running the scripts on the Windows version of R.
>

I dont't want to have to keep two versions of R concurrentan>  I use win
very little and would rather less than more!
 
> pure white background. Can you report (to R-bugs) an example problem,
> please?
> 

It will take me a while to disentangle some data and scripts to isolate the
problem reproducably, since not all graphs exhibited the problem.  I'll do it
over the weekend, but in the mean time I have stashed an example at
www.ndirect.co.uk/~mlapsley as revolting.png and revolting.eps.

The conversion was done by mogrify from Imagemagic, which I think uses gs as
the engine.

----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 01-Oct-99
Time: 09:29:05

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