Plot dates and julian dates on the same figure

Well I can help with the smallest of your problems:

MPL uses days past 1/1/1 0:0:0 and
01-JAN-0001 00:00:00 in JD = 1721425.5

so: JD = MPL_DAY + 1721425.5

but - there is no "integrated" way to do this automatically inside the plotting system.

Ted

···

----- Original Message -----
From: Yannick Copin <y.copin@...671...>
Date: Thursday, August 10, 2006 5:16 am
Subject: [Matplotlib-users] Plot dates and julian dates on the same figure

Hi,

I'd like to plot some dates on a figure with two different x-axes:
the
bottom one with date labels (strings), and the top one with julian
date
labels (integers), see
http://www.astrosurf.com/snweb2/2005/05el/curves/05elF_10.jpg for
an
example.

I tried to follow the method mentionned in
http://sourceforge.net/mailarchive/message.php?msg_id=11822985,
but
unfortunately, this didn't work: as mentionned in
http://sourceforge.net/mailarchive/message.php?msg_id=11824491, it
looks
impossible to use different tick formatters for different axes (in
my
case a DateFormatter for the bottom axis, and a FormatStrFormatter
for
the top one).

Any suggestion for this???

Cheers.

PS: as a side-question, is there an integrated way to convert a
date
(e.g. matplotlib.datetime.date(2006,8,10)) to a julian date
(2453958)
using matplotlib?
--
            / \ , ,
  _._ _ |oo| _ / \__/ \
_|||| ((/ () \)) / \ Yannick COPIN (o:>* Doctus cum
libro |||||/| ( ==== ) |oo| Institut de physique
nucleaire de Lyon
  \____/ _`\ /'_ / \ (IN2P3 -
France) / /.-' /\<>/\ `\.( () )_._ Tel: (33/0) 472 431 968
  > ` / \/ \ /`'--'////) http://snovae.in2p3.fr/ycopin/
   \__,-'`| |. |\/ |/\/\|"\"` AIM: YcCopin ICQ: 236931013
      jgs | |. | \___/\___/
          > >. | | |

-------------------------------------------------------------------
------
Using Tomcat but need to do more? Need to support web services,
security?Get stuff done quickly with pre-integrated technology to
make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache
Geronimohttp://sel.as-
us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users