[Rd] readPNG gives warnings and doesn't execute sample code from help files
jorismeys at gmail.com
Tue Feb 15 14:44:03 CET 2011
Sorry, correction. X11() is not supposed to do that. So on Windows,
per-pixel alpha is no option apparently. Any chance this will be
implemented in the future?
PS : also thx to Simon for his helpful answer earlier.
On Tue, Feb 15, 2011 at 2:40 PM, Joris Meys <jorismeys at gmail.com> wrote:
> Thx again for your answer. I've tried X11() - which is supposed to
> support alpha per pixel as well, but on Windows that's still no avail.
> So basically, on Windows I can forget about alpha?
> On Tue, Feb 15, 2011 at 2:20 PM, Ben Bolker <bbolker at gmail.com> wrote:
>> Joris Meys <jorismeys <at> gmail.com> writes:
>>> I believed the standard plotting device on R in 2.12.1 would support
>>> per-pixel alpha. It does support alpha, as
>>> plots correctly. Which device should I use then?
>> (near the bottom of the page, where it explains that the
>> Windows device supports alpha but not per-pixel alpha ...)
>> Ben Bolker
>> R-devel at r-project.org mailing list
> Joris Meys
> Statistical consultant
> Ghent University
> Faculty of Bioscience Engineering
> Department of Applied mathematics, biometrics and process control
> tel : +32 9 264 59 87
> Joris.Meys at Ugent.be
> Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php
Faculty of Bioscience Engineering
Department of Applied mathematics, biometrics and process control
tel : +32 9 264 59 87
Joris.Meys at Ugent.be
Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php
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