[scilab-Users] plotting date on x-axis

[Eric Dubois]

Another solution is to use the option axesflag=0 in plot2d and to use the
function drawaxis.

Eric.

2008/8/27 Francis Drossaert <Francis.Drossaert at pgs.com>

> Hi Simon,
>
> Not sure how to solve your problem completely, but I can give you a
> suggestion. The x-ticks labels are strings and not numbers. Even if you
> give numbers as you did, Scilab converts them to strings.
>
> So what you could do is:
> - get the handle of the axis. For example with h = gca()
> - get the tick data: v1 = h.x_ticks.data
> - convert this list into a string vector: for example v2 =
> string(datavec(v1))
> - and change h.x_ticks.labels = v2
>
> I have not tested this but I think it should give you ideas how to
> proceed. Note that the string vector has be the same length as the
> number of ticks which does not have to be . Creating the string vector
> from the serial dates and make it look nice could be a bit nasty.
>
> Cheers,
>
> Francis
>
>
> -----Original Message-----
> From: simon.elfert at web.de [mailto:simon.elfert at web.de]
> Sent: 27 August 2008 16:51
> To: users at lists.scilab.org
> Subject: [scilab-Users] plotting date on x-axis
>
> Hi everybody,
>
> I want to plot some timeseries where the x-ticks are dates (for example
> "Nov. 1987" or "1.11.87").
> That's where I am today...
> forum
> -------------
> dt = datenum(y, m, d);      // y, m, d are vectors with information on
> year, month and day
> all = [dt, data1, data2, data3];                  // data1-3 are
> data-vectors
> -------------
>
> till here I get:
>
> -------------
> all=
>    724216.    6.6894479    6.6952958    0.20484
>    724217.    7.8806429    8.1755199    0.21636
>    724218.    9.0097742    10.1717      0.22731
>    724219.    9.3107634    11.451789    0.2525200
>    724220.    9.3775043    12.343613    0.3197800
>    724221.    9.3765812    12.939786    0.4009100
>    724222.    9.2700891    13.249661    0.5409700
>    724223.    9.1931381    13.444237    0.5119000
>    724224.    9.0925598    13.484509    0.47847
> ------------
>
> when I plot that ( plot(all(:,1), [all(:,2), all(:,3), all(:,4)]) ), I
> only get the serial dates (first column) on the x-axis.
>
> Do you, how I could go on? I guess I need something like what is
> datetick for matlab (found that expression on my research through the
> net).
>
> Thank you,
> Simon
>
> This email and any files contained therein is confidential and may contain
> privileged information.  If you are not the named addressee(s) or you have
> otherwise received this in error, you should not distribute or copy this
> e-mail or use any of its content for any purpose. Please notify the sender
> immediately by e-mail if you have received this e-mail in error and delete
> it from your system
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.scilab.org/pipermail/users/attachments/20080827/9280a933/attachment.htm>