R help - Aug 2002 - How to change parameters of Trellis-like graphs

Dear R-lists

I have just upgraded the version 1.5.1 from 1.4.1 in my laptop PC,
because, I have to prepare graphs by using the grid and lattice packages. 
I tried it with 1.4.1, but I could not it. 
After upgrade to 1.5.1, I have finished it. 

Next, I tried to modify some graphs with as follows: 
#
#  setting color for graph
#
library(grid)
library(lattice)
background <- trellis.par.get()
background$col <- "white"
show.settings()
background <- trellis.par.set("background",background)
show.settings()
names(trellis.par.get())
dot.symbol <- trellis.par.get()
dot.symbol$col <- "yellow"
dot.symbol <- trellis.par.set("dot.symbol",dot.symbol)
show.settings()
#
#
#
First, I could change the background color from Gray to White. 
But, when the last code 'show.settings()' runs, R 1.5.1 have crushed on
my laptop.
I have no idea such how to change the dot color of graphs.
Does anyone tell me how to change the graph parameters?

Thanks in advance,
Baba


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It crashes on Linux too.  You are not doing this right

background <- trellis.par.get("background")
background$col <- "white"
show.settings()
background <- trellis.par.set("background",background)
show.settings()
dot.symbol <- trellis.par.get("dot.symbol")
dot.symbol$col <- "yellow"
dot.symbol <- trellis.par.set("dot.symbol",dot.symbol)
show.settings()

works.

On Fri, 16 Aug 2002 baba at muj.biglobe.ne.jp wrote:
> Dear R-lists
>
> I have just upgraded the version 1.5.1 from 1.4.1 in my laptop PC,
> because, I have to prepare graphs by using the grid and lattice packages.
> I tried it with 1.4.1, but I could not it.
> After upgrade to 1.5.1, I have finished it.
>
> Next, I tried to modify some graphs with as follows:
> #
> #  setting color for graph
> #
> library(grid)
> library(lattice)
> background <- trellis.par.get()
> background$col <- "white"
> show.settings()
> background <- trellis.par.set("background",background)
> show.settings()
> names(trellis.par.get())
> dot.symbol <- trellis.par.get()
> dot.symbol$col <- "yellow"
> dot.symbol <- trellis.par.set("dot.symbol",dot.symbol)
> show.settings()
> #
> #
> #
> First, I could change the background color from Gray to White.
> But, when the last code 'show.settings()' runs, R 1.5.1 have
crushed on my laptop.
> I have no idea such how to change the dot color of graphs.
> Does anyone tell me how to change the graph parameters?
-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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(in the "body", not the subject !)  To: r-help-request at
stat.math.ethz.ch
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