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Re: suppression of time axis annotation [message #43993 is a reply to message #43986]

Fri, 06 May 2005 08:24

R.G. Stockwell
Messages: 363
Registered: July 1999

Senior Member

"David Fanning" <davidf@dfanning.com> wrote in message
news:MPG.1ce52bfb5be9076c9899f4@news.frii.com...
>
...
> Humm, this does what you want:
>
> Window,1
> PLOT, t, y1, $
> Title = "Ticks unmatched - " + $
> "but annotation is suppressed in middle", $
> POSITION = p1, $
> XSTYLE = 1, $
> XTICKINTERVAL = 4, $
> XMINOR = 4
> XTICKFORMAT='(A0)'
> PLOT, t, y2, $
> NOERASE = 1, $
> POSITION = p2, $
> XSTYLE = 1, $
> XTICKUNITS = ['Months', 'Years'], $
> XTICKINTERVAL = 4, $
> XMINOR = 4
>
> But on my output it looks like someone has gone in there
> with a magic marker and scribbled all over the left side
> of the plot. Do you see that, too?
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming: http://www.dfanning.com/

I see the scribbling too. It is the julian day number being printed out
repeatedly
over itself many times.
Are you are missing a ",$" at the end of xminor=4 in the first plot?
The xtickformat is not being set.
However, that does not seem to make a difference.

Back to the original question, suppressing tickmarks.
You can set the length to be very small.
xticklen = 0.001
I don't know if that helps. But you can put it in your (Ben's) second
example
and the ugly unmatched tickmarks go away.

As a guess, I think the tickmarks when using xtickunits=['month', 'year']
are
in units of months. (i.e. you are set to 4 months as xtickinterval].
Perhaps that does not
translate to days, since a month can have different days.
If you drop the xtickunits name, and replace the xtickinterval with the
appropriate
days (i.e. xtickinterval = 4*30) it still does not line up.

Cheers,
bob

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[Message index]

		Re: suppression of time axis annotation By: R.G. Stockwell on Fri, 06 May 2005 16:34
		Re: suppression of time axis annotation By: R.G. Stockwell on Fri, 06 May 2005 15:59
		Re: suppression of time axis annotation By: btt on Fri, 06 May 2005 12:33
		Re: suppression of time axis annotation By: R.G. Stockwell on Fri, 06 May 2005 08:24
		Re: suppression of time axis annotation By: David Fanning on Fri, 06 May 2005 07:24
		Re: suppression of time axis annotation By: btt on Wed, 11 May 2005 08:49

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