Il 30/04/20 03:14, Dirk Eddelbuettel ha scritto:

On 30 April 2020 at 03:05, Samuele Carcagno wrote:
| Il 30/04/20 01:39, Dirk Eddelbuettel ha scritto:
| > Keep. It. Simple. And. Concise.
| >
| > And reproducible.
|
| I've attached a script that triggers the bug on my system. It's just two
| lines, one to load `viridisLite`, and one to call the `viridis`
| function. I've also attached the output of `sessionInfo`.
|
| To sum up all the additional info in my previous e-mail: the bug occurs
| on Ubuntu 20.04 with R 4.0.0, but does not occur on Debian, Windows, or
| Mac using the same version of R (R 4.0.0), and the same version of
| viridisLite.

Can you decompose it to see if the data generation is the problem (likely R)
or the drawing (maybe a change in graphics ?)

I'm not familiar with the internals of `viridisLite`, so I'm not sure I'd be able to help there. I could open a bug report on the `viridisLite` repo and see if the author has suggestions on how to narrow down the issue.


What does capabilities() say? Anything missing?  On 19.10 I have

below is the output of `capabilities()` from my system:

> capabilities()
       jpeg         png        tiff       tcltk         X11        aqua
       TRUE        TRUE        TRUE        TRUE        TRUE       FALSE
   http/ftp     sockets      libxml        fifo      cledit       iconv
       TRUE        TRUE        TRUE        TRUE        TRUE        TRUE
        NLS     profmem       cairo         ICU long.double     libcurl
       TRUE        TRUE        TRUE        TRUE        TRUE        TRUE



R> capabilities()
        jpeg         png        tiff       tcltk         X11
        TRUE        TRUE        TRUE        TRUE        TRUE
        aqua    http/ftp     sockets      libxml        fifo
       FALSE        TRUE        TRUE        TRUE        TRUE
      cledit       iconv         NLS     profmem       cairo
       FALSE        TRUE        TRUE        TRUE        TRUE
         ICU long.double     libcurl
        TRUE        TRUE        TRUE
R>

Dirk


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