[Kst] Re: Plot with dates on X-Axis

Barth Netterfield netterfield at astro.utoronto.ca
Fri May 27 17:22:38 CEST 2011

I hope to implement this "soon".

It will be trivial to implement, except, of course, for handling the
range of different and ambiguous formats.  For example, what date does
09/10/11 refer to?

September 10, 2010 (US)
October 11, 2009 (Canada)
October 9, 2011 (?)

Is 09/10/11 the same as 09-10-11?

What languages should we look for the month names in?  How should we
handle that?

etc...  Maybe there is a library...

On Fri, May 27, 2011 at 11:14 AM, Brisset, Nicolas
<Nicolas.Brisset at eurocopter.com> wrote:
>> by the way, it is written in the handbook that KDE long and short date
>> formats could be used... Is that a mistake?
> Please note that the handbook is for version 1.x of kst and may not
> apply entirely for 2.x.
> Apart from that, I believe it is true but you first have to be able to
> read the data. The sentence you quote probably applies only to how the
> data can be displayed.
> To sum up, in order to have dates as x vector you need:
> 1) to read in numeric data which corresponds to the date
> 2) to tell kst how to interpret the data and how to display it
> The manual speaks about 2) while your problem is 1): as far as I know,
> until now the ASCII data source has never been able to read ASCII dates
> and times correctly.
> Nicolas
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C. Barth Netterfield
University of Toronto

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