Re: [R] using GDD fonts

From: Jeffrey Horner <jeff.horner_at_vanderbilt.edu>
Date: Thu 13 Apr 2006 - 14:15:05 EST

Luiz Rodrigo Tozzi wrote:
> Hi Tim,
>
> It really worked!!
>
> thanks!
>
> now my only problem is about the image size, that is huge!
>
> im using the type="png" and switching to png8 does not reduce the
> color depth.. do you know something about is?

I've hacked around on the GDD code before. From what I remember, all png files are created in true color.

>
> 2006/4/12, Tim Churches <tchur@optushome.com.au>:

>> Luiz Rodrigo Tozzi wrote:
>>> Hi
>>>
>>> I was searching for some X replacement for my job in R and i found the GDD
>>>
>>> I installed it and I match all the system requirements. My problem
>>> (maybe a dumb one) is that every plot comes with no font and i cant
>>> find a simgle example of a plot WITH FONT DETAIL in the list
>>>
>>> can anybody help me?
>>>
>>> a simple example:
>>>
>>> library(GDD)
>>> GDD("something.png", type="png", width = 700, height = 500)
>>> par(cex.axis=0.65,lab=c(12,12,0),mar=c(2.5, 2.5, 2.5, 2.5))
>>> plot(rnorm(100))
>>> mtext("Something",side=3,padj=-0.33,cex=1)
>>> dev.off()
>>>
>>> thanks in advance!
>> This might help - we found that we needed to install the MS TT fonts and
>> make sure that GDD can find them, as per the README. :
>>
>> Simon Urbanek <simon.urbanek@r-project.org> wrote:
>>> Tim,
>>>
>>> On Jun 9, 2005, at 3:51 AM, Tim CHURCHES wrote:
>>>
>>>> I tried GDD 0.1-7 with Lattice graphs in R 2.1.0 (on Linux). It
>>>> doesn't segfault now but it is still not producing any usable output
>>>> - the output png file is produced but nly with a few lines on it.
>>>> Still the alpha channel problem? Have you been able to produce any
>>>> Lattice graphs with it?
>>> I know of no such problem, I tested a few lattice graphics and they
>>> worked. Can you, please, send me reproducible example and your output?
>>> Also send me, please output of
>>> library(GDD)
>>> .Call("gdd_look_up_font", NULL)
>> Sorry, my laziness. GDD was unable to find any fonts. After I installed
>> the MS TT fonts and set their location as per the GDD README, it worked
>> perfectly with both old-style R graphics and lattice graphics. The
>> output looks very nice indeed. We'll do a bit more testing (and let you
>> know if we find any problems), but it looks like we can at last drop the
>> requirement for Xvfb when using R in a Web application. Great work! From
>> our point of view, GDD solves one the biggest problem with R for Web
>> applications.
>>
>> Cheers,
>>
>> Tim C
>>

>
>
> --
>> <> ><> ><> ><> ><> ><> ><> ><> ><>

> Luiz Rodrigo Lins Tozzi
>
> <>< <>< <>< <>< <>< <>< <>< <>< <><
> luizrodrigotozzi@gmail.com
> (21)91318150
>
>> <> ><> ><> ><> ><> ><> ><> ><> ><>

> http://luizrodrigotozzi.multiply.com/
> http://www.flogao.com.br/luizrodrigotozzi
>
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-- 
Jeffrey Horner       Computer Systems Analyst         School of Medicine
615-322-8606         Department of Biostatistics   Vanderbilt University

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Received on Thu Apr 13 14:44:56 2006

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