[R] png() or jpeg() in a php script

[Prof Brian Ripley]

This is covered (in at least three places) on the help page for those 
functions.

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On Wed, 21 Jun 2006, Angel Roman wrote:

> Hello,
>
> I've got a problem with a PHP script, in which I call the system function
> (to call another processes). The call is :
>
> system("R --slave --vanilla < path/to/source/source.R");
>
> if in this R file, I've got the lines:
>  pdf(file="/path/to/file/file.pdf")
>  commands
>  dev.off()
>
> the pdf file is perfectly created
>
> but if I change the lines to:
>
>  png(file="/path/to/file/file.png");
>  commands
>  dev.off()
>
> (or with the jpeg() function)
>
> the files are not created. any help?
>
> Thanks
>
> 	[[alternative HTML version deleted]]
>
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-- 
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 272866 (PA)
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