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Re: plot axis problem? [message #55121 is a reply to message #55114]

Wed, 01 August 2007 01:18

Wox
Messages: 184
Registered: August 2006

Senior Member

On Wed, 01 Aug 2007 05:40:26 -0000, metachronist <rkombiyil@gmail.com>
wrote:

> IDL Gurus,
> I think this is too trivial.. but anyways I can't get it right :(
>
> IDL> time=[22.,23.,0.,1.,2.,3.,4.,5.,6.,7.]
> IDL> field=[4.2,56.7,89.34,22.,0.,43.5,10.,2.,33.,-10.5]
>
> So the time values start at 2200hrs and then go past midnight and then
> to 0700hrs in the morning. How would I "force" the 'x' axis (time) to
> start at 22hrs goto (midnight) 0hrs and then increase to 7hrs? I
> found out that setting xrange wouldn't help either since the decrease
> (increase in terms of time) from 2200hrs --> 2400hrs(0hrs) is IDL way?
> Like (22,20,18,....0,2,...8) , as a result, nothing gets plotted :(
> Thanks for any suggestions,
> /rk

Well, you could change the thick names:

time=[22.,23.,0.,1.,2.,3.,4.,5.,6.,7.]
field=[4.2,56.7,89.34,22.,0.,43.5,10.,2.,33.,-10.5]

n=n_elements(time)
ind=where(time[1:*] lt time[0:n-2],ct)
time2=time
for i=0,ct-1 do time2[ind[i]+1:*]+=24

plot,time2,field,XTICKN=strtrim(fix(time),2)+'hrs'

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[Message index]

		Re: plot axis problem? By: rkombiyil on Wed, 01 August 2007 08:14
		Re: plot axis problem? By: Wox on Wed, 01 August 2007 05:03
		Re: plot axis problem? By: Wox on Wed, 01 August 2007 01:18

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