[R] jpeg in R for Windows?

Kjetil Kjernsmo kjetil.kjernsmo at astro.uio.no
Thu Nov 30 16:51:17 CET 2000

On Thu, 30 Nov 2000, Kaspar Pflugshaupt wrote:

>On 30.11.2000 14:38 Uhr, Robert Lundquist wrote:
>> BTW, the output would presumably be better as png files, but I don't really
>> know if I can count on my students' web browsers being able to read this
>> format. Anyone who knows what browsers *can't* handle png files?
>You may be able  to find this information on the png home page at
>http://www.libpng.org/pub/png/ . Seems to be unreachable right now (for me,
>that is).

It was unreachable for me too.

>To my little experience, "new" browsers will display png files all right
>("new" meaning something >= Netscape 4.7 or Explorer 5). Older versions may
>display them partly (without transparency effects, for instance). Or not at
>all. :-(

Yes. Unfortunately, PNG is yet another example of good technologies being
(or have been) ignored by browser makers because browser makers are more
concerned with winning a browser war than providing useful software.

I would suggest installing the ImageMagick "display" utility on all
systems. <URL:http://www.simplesystems.org/ImageMagick/www/display.html>.
It can display images on all systems running X server. Also, ImageMagick
itself <URL:http://www.simplesystems.org/ImageMagick/> runs on most
popular OSes, including Mac and Win32 (and obviously, unices), so you may
get something out of that that can be used to view graphs on most

If all else fails, display can be configured as external viewer, which is
something most browsers support, including lynx.


Kjetil Kjernsmo
Graduate astronomy-student                    Problems worthy of attack
University of Oslo, Norway            Prove their worth by hitting back
E-mail: kjetikj at astro.uio.no                                - Piet Hein
Homepage <URL:http://www.astro.uio.no/~kjetikj/>
Webmaster at skepsis.no

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