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 <[EMAIL PROTECTED]> 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 > ------------------------------------------------------------------------- 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 Geronimo http://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