>>>>> On Wed, 7 Jan 1998 16:40:53 -0600 (CST),
>>>>> Bill Simpson (BS) wrote:
BS> Questions on image:
BS> 1) How can I put labels on the x and y axes?
As usually using the xlab and ylab arguments (same as plot)
BS> 2) How to tell it to use e.g. 32 grey levels (not some colour
BS> map)?
col = gray(1:32/32)
see also the help page of gray
BS> 3) How to know what the legend is (i.e. each grey level = what z value)?
I'm not cpmpletely sure, but I think min(z) will be the first color
(or grey-level), max(z) the last grey-level and the rest will be
equally spaced in between.
BS> BTW I was wondering if persp was on the To Do list. That would be great!
It most certainly is ... most of us would like to have it ...
Best,
Fritz
--
-------------------------------------------------------------------
Friedrich Leisch
Institut f?r Statistik Tel: (+43 1) 58801 4541
Technische Universit?t Wien Fax: (+43 1) 504 14 98
Wiedner Hauptstra?e 8-10/1071 Friedrich.Leisch at ci.tuwien.ac.at
A-1040 Wien, Austria http://www.ci.tuwien.ac.at/~leisch
PGP public key http://www.ci.tuwien.ac.at/~leisch/pgp.key
-------------------------------------------------------------------
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: r-help-request at
stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._