Hello Damir,
now I got it.
I have to subtract 788918400 seconds from my Unix time stamp to convert it
into a Root time stamp, right?
Thanks,
Reinhard
Damir Buskulic <buskulic@lapp.in2p3.fr> writes:
* oops, no, it's always the same thing. The origin of root dates is 1st
* January 1995 ! So the number of seconds you quote leaves you somewhere
* in 2025.
* To see it, add %Y to your time label format.
*
* Cheers
*
* Damir
*
* Damir Buskulic wrote:
* >
* > Hi Reinhard,
* >
* > The time labels on axis are generated by standard C functions, namely
* > strftime in this case. I must admit I trusted it when writing the code !
* > I didn't check this leap year problem. It is probably the same for a
* > leap century (every 400 years) but we have some time left for the next
* > one !
* > I'll see what I can do.
* >
* > Damir
* >
* > Reinhard Sojka wrote:
* > >
* > > Hi Rooters,
* > >
* > > there is a Problem with the labels on TH2F in Version 3.01/06 (and olde
* r).
* > > When set to display month and day, February 29 is missing in every leap
* year.
* > > The amount of displayed days seems to be ok.
* > >
* > > {
* > > TH2F *h2 = new TH2F("h2", "test", 1500, 951436800, 951955200, 400, -400,
* 400);
* > > //2000
* > > //TH2F *h2 = new TH2F("h2", "test", 1500, 825292800, 825724800, 400, -40
* 0,
* > > 400); //1996
* > > h2->GetXaxis()->SetTimeDisplay(1);
* > > h2->GetXaxis()->SetTimeFormat("%b %d");
* > >
* > > h2->Draw();
* > > }
* > >
* > > Regards,
* > > Reinhard
* >
* > --
* > =====================================================================
* > | Damir Buskulic | Universite de Savoie/LAPP |
* > | | Chemin de Bellevue, B.P. 110 |
* > | Tel : +33 (0)450091600 | F-74941 Annecy-le-Vieux Cedex |
* > | e-mail: buskulic@lapp.in2p3.fr | FRANCE |
* > =====================================================================
* > mailto:buskulic@lapp.in2p3.fr
*
* --
* =====================================================================
* | Damir Buskulic | Universite de Savoie/LAPP |
* | | Chemin de Bellevue, B.P. 110 |
* | Tel : +33 (0)450091600 | F-74941 Annecy-le-Vieux Cedex |
* | e-mail: buskulic@lapp.in2p3.fr | FRANCE |
* =====================================================================
* mailto:buskulic@lapp.in2p3.fr
*
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