[Scilab-users] Converting UT to Standard Time

[Florian Winter]

Hi,
I have a problem. I get data about the time from a file in UT. That means I
get the number of seconds elapsed on the day instead of a "normal" time
(e.g. 63602 actually means 17:40:02)

I'm trying to plot some values with this time but to make it more readable
I would like to use "17:40:02" for the ticks on the x-axis instead of the
seconds,
so I wrote a function to convert the seconds to a string.

If I don't change the ticks to the custom strings it automatically only
shows 7 ticks but if I change it like I did, it shows the ticks for every
single value I use and the whole thing becomes sort of unreadable.
Is there a possibility to convert the time differently or can I somehow
limit the number of ticks that should be drawn?



///////////////////////////////////////////////////////////////////////
time = [63602,63602.05,63603,63603.5,63604,63606]
values = [1,2,3,4,5,7]

function convertedtime = timestring(UT) //converts UT
    h=int(UT/3600);
    UT=UT-h*3600;
    m=int(UT/60);
    UT=UT-m*60;
    if UT < 10 then
        convertedtime = string(h) + ":" + string(m) + ":0" + string(UT);
    else
        convertedtime = string(h) + ":" + string(m) + ":" +string(UT);
    end
endfunction

newtime = timestring(time);

plot(time,values);
a=gca();
ticks = a.x_ticks
ticks.labels=newtime
ticks.locations=time
a.x_ticks=ticks

////////////////////////////////////////////////////////////



Regards,
Flotschos
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