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Re: Pan/Zoom Line Plots with Coyote Graphics [message #80263 is a reply to message #80153]

Fri, 25 May 2012 07:48

Mark Piper
Messages: 198
Registered: December 2009

Senior Member

On Friday, May 25, 2012 3:19:03 AM UTC-6, Fab wrote:
> Bonus question: are IDL NG routines better at labeling time
> automatically? (in other words: should I go for IDL 8.2?)

Here's a start:

pro timeaxis_ex
compile_opt idl2

; Ten days of data; each sample taken at noon UTC.
time_min = julday(1,20,2012,12,0,0)
time_max = julday(1,29,2012,12,0,0)
time = timegen(start=time_min, final=time_max)
foo = randomn(1, 10)

p = plot(time, foo, 'r', $
xtickunits='days', $
xtickformat='(C(CMoA,1x,CDI))', $
title='Time Axis Example')
end

Zoom by rolling the scroll wheel. I chose 'days' as the tickunit; you may want to build logic into the window (using NG event handling) to change XTICKUNITS and XTICKFORMAT conditioned on p.xrange.

mp

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[Message index]

		Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Thu, 17 May 2012 08:15
		Re: Pan/Zoom Line Plots with Coyote Graphics By: Raphael Sadoun on Tue, 22 May 2012 10:49
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Tue, 22 May 2012 04:43
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Tue, 22 May 2012 04:37
		Re: Pan/Zoom Line Plots with Coyote Graphics By: Fabzi on Tue, 22 May 2012 03:49
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Mon, 21 May 2012 14:11
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Fri, 18 May 2012 08:23
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Fri, 18 May 2012 08:06
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Fri, 25 May 2012 08:27
		Re: Pan/Zoom Line Plots with Coyote Graphics By: David Fanning on Fri, 25 May 2012 08:18
		Re: Pan/Zoom Line Plots with Coyote Graphics By: Mark Piper on Fri, 25 May 2012 07:48
		Re: Pan/Zoom Line Plots with Coyote Graphics By: Fabzi on Fri, 25 May 2012 02:19

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