Evan J Brunner <ejbrunner <at> gmail.com> writes:
>
> I built a patch (
> https://github.com/3jb/R_layers/blob/master/add_pdf_layers_r61733.diff)
> for grDevice/devPS.c adding an argument 'onepage' to pdf(), if set to
> TRUE, successive plots will be printed to layers within a single pdf
> document page rather than successive documents, or successive pages within
> a document. The patch works on the HEAD of the current svn development
> tree.
>
Lots of context snipped, sorry (using gmane).
This is a pretty ignorant question because I haven't delved very deeply
into graphics coding in R, but: how much harder would it be for you to
incorporated this code into a driver for an alternative graphics device
(call it "pdfx")? Then you could put it in a package and release it on CRAN.
* it would be (much) easier to distribute to people who wanted it -- they
could just install a package rather than rebuilding R.
* R core wouldn't have to agree or disagree as long as you follow the
package submission rules.
* if it gets popular it might eventually migrate into base R.
I can also imagine that the cairoDevice maintainers might be interested/willing
to incorporate your patch or one like it.
library("sos"); findFn("{graphics device} driver")
finds packages incorporating alternative graphics devices.
Ben Bolker
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