On 21.04.2013 19:28, Michael Friendly wrote:
[Env: OS: Win Xp; R 2.15.2; IDE: eclipse/StatET]
Each time I update my heplots package, I get warnings from R CMD check
on R-Forge,
* checking sizes of PDF files under ‘inst/doc’ ... WARNING
‘gs+qpdf’ made some significant size reductions:
compacted ‘HE-examples.pdf’ from 739Kb to 366Kb
and upon submission to CRAN, a message from maintainers:
On CRAN now: but again there were warnings about significant size
reductions in PDF compaction, which should really be fixed on your end.
however, I am unable to find what to do to fix this on my end. In my
package directory,
I have the vignette sources all under vignettes/, with copies of the
.pdf and .Rnw
under inst/doc for historical reasons. [Q: can I now safely delete the
copies under
inst/doc ?]
inst/doc/
HE-examples.pdf
HE-examples.Rnw
vignettes/
HE-examples.pdf
HE-examples.Rnw
HE-examples.bib
fig/
...
I have qpdf installed:
> Sys.which(Sys.getenv("R_QPDF", "qpdf"))
qpdf
"c:\\Rtools\\bin\\qpdf.exe"
>
but, if I try to run it on the vignettes/HE-examples.pdf file, nothing
happens:
>
tools::compactPDF("C:/Documents/workspace/heplots/vignettes/HE-examples.pdf")
>
Since vignettes are re-built from sources and then installed into
inst/doc, I don't see why
PDF compaction cannot be run as part of the build process. That is, if
R CMD check --as-cran detects a problem, shouldn't there be some option for
R CMD build that would run gs+qpdf to correct it?
Yes, see
R CMD build --help
that tells you
--compact-vignettes= try to compact PDF files under inst/doc:
"no" (default), "qpdf", "gs", "gs+qpdf", "both"
Best,
Uwe Ligges
The idea of vignettes for R packages is a good thing, but, this problem
(and others with vignettes) discourages me from using vignettes in
packages, a bad thing.
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