[R-pkg-devel] Possible unknown color in r

[Joris Meys]

Hi Tiago,

It's indeed that. For some reason col2rgb() knows the unofficial "transparent". Replace this with the correct value from the vector colors(), i.e. "white". "transparent" is not mentioned in that vector, so it shouldn't be used in a package. See also ?rgb2col and ?colors.

Cheers
Joris

--
Joris Meys
Statistical consultant

Department of Data Analysis and Mathematical Modelling
Ghent University
Coupure Links 653, B-9000 Gent (Belgium)
------------------------------

Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php


________________________________________
From: Tiago Olivoto <tiagoolivoto using gmail.com>
Sent: Friday, January 10, 2020 2:17 PM
To: Joris Meys; r-package-devel using r-project.org
Subject: RES: [R-pkg-devel] Possible unknown color in r

Hi Joris,
Thank you so much for your assistance.
I've built and checked my package with:
R CMD build /d/Desktop/metan
R CMD check --as-cran metan_1.2.1.tar.gz

No WARNINGS were observed. Please, see the log file attached.
Sorry for failing in providing the link to access the check results in the
last email. You can see the link to the test that doesn't pass bellow.

Dear maintainer,
 package metan_1.2.1.tar.gz does not pass the incoming checks automatically,
please see the following pre-tests:
Windows:
<https://win-builder.r-project.org/incoming_pretest/metan_1.2.1_20200109_043
153/Windows/00check.log>

Status: 1 WARNING, 1 NOTE
Debian:
<https://win-builder.r-project.org/incoming_pretest/metan_1.2.1_20200109_043
153/Debian/00check.log>

It sounds strange because in the last submissions the package passed in the
incoming checks, and the only change I've made from v1.2.0 to 1.2.1 was
adding some references in the description file.
Best regards,
Tiago

-----Mensagem original-----
De: Joris Meys <Joris.Meys using UGent.be>
Enviada em: sexta-feira, 10 de janeiro de 2020 09:23
Para: r-package-devel using r-project.org; tiagoolivoto using gmail.com
Assunto: Re: [R-pkg-devel] Possible unknown color in r

Hi Tiago,

Without knowing which package you're talking about or a link to the check
results, it's impossible to know whether that warning is a proper one or a
side effect of something else.

In general though: it is well known that relying on devtools is not enough
for a good CRAN submission. The guidelines for CRAN clearly state :

"Please ensure that R CMD check --as-cran has been run on the tarball to be
uploaded before submission. This should be done with the current version of
R-devel (or if that is not possible and explained in the submission, current
R-patched or the current release of R.)"

So before submitting a package to CRAN and after running your devtools::
check_etc, open a terminal and run the following commands:

R CMD build path_to_pkg_folder
R CMD check --as-cran package_version.tar.gz

The --as-cran is important, as is doing so against a R-devel. I use devtools
myself extensively, but these checks have to be done outside the RStudio
ecosystem to be sure.

Kind regards
Joris

--
Joris Meys
Statistical consultant

Department of Data Analysis and Mathematical Modelling Ghent University
Coupure Links 653, B-9000 Gent (Belgium)
------------------------------

Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php


________________________________________
From: R-package-devel <r-package-devel-bounces using r-project.org> on behalf of
Tiago Olivoto <tiagoolivoto using gmail.com>
Sent: Friday, January 10, 2020 12:43 PM
To: r-package-devel using r-project.org
Subject: [R-pkg-devel] Possible unknown color in r

Dear all,

In the last submission of my package the CRAN team has suggested including
some references in the description field of the DESCRIPTION file.
When I submitted it to CRAN it did not pass the incoming checks
automatically and I got the following WARNING.



Quitting from lines 108-117 (vignettes_metan.Rmd)

Error: processing vignette 'vignettes_metan.Rmd' failed with diagnostics:

Unknown colour name: transparent



It seems that this warning is related to a function with the argument
'col.segm.gen = "transparent"'.

I don't changed anything in this function and in the last submissions no
warning was related.

For curiosity I ran:

> col2rgb("yellow")

      [,1]

red    255

green  255

blue     0



> col2rgb("transparent")

      [,1]

red    255

green  255

blue   255



No warnings or errors were observed while running devtools::check_rhub(),
devtools::check_win_devel(), and devtools::check_win_release()

Any suggestion?

Best,

Tiago




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