[R] png output in batch
dfs at research.att.com
Thu Oct 26 16:25:51 CEST 2000
On Thu, Oct 26, 2000 at 07:31:54AM +0100, Prof Brian D Ripley wrote:
> There is no way. png() on Unix depends on having an X server (for the
> fonts, basically). I would use bitmap(), which does produce postscript
> output and convert, but you can control the resolution.
I can't figure out how to control the resolution and the size
independently using bitmap(). I'm getting something close
to what I want with this combination of arguments:
bitmap ("/usr/dfs/WWW/auction/foo.png", width=2, height=2, res=288)
In the browser on my laptop, the resulting plot is about 6 inches
square. If I drop the resolution to 144, the plot is then about
3 inches square.
Any further wisdom for me? Is there a better approach to using
cgi for web graphics? Maybe this just isn't a problem for which
R or S is the best solution.
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