Re: labeling time axis

From: Arindam Chakraborty <arch_at_nyahnyahspammersnyahnyah>
Date: Wed Sep 21 2011 - 12:29:03 MDT

hi Fan,
 since NCL version 5.2.0, there's a function called time_axis_labels() that
can fulfill some of the requirements you've mentioned. However, it cannot
label the axis differently at different locations currently (for example, in
case you want starting of every year should have year label and other ticks
only month label, or something similar). You can have a look and see if this
routine helps you:
http://www.ncl.ucar.edu/Document/Functions/User_contributed/time_axis_labels.shtml

regards,

arindam

--
Arindam Chakraborty
Centre for Atmospheric and Oceanic Sciences
Indian Institute of Science
Bangalore - 560 012, INDIA
Tel: +91-80-22933074
Fax: +91-80-23600865
http://caos.iisc.ernet.in/faculty/arch
---------- Original Message -----------
From: Adam Phillips <asphilli@ucar.edu>
To: ncl-talk@ucar.edu
Sent: Wed, 21 Sep 2011 11:33:08 -0600
Subject: Re: labeling time axis
> Hi Fan,
> Sure. By setting tmXBMode = "Explicit", you can then set the number 
> of major tick marks (and their corresponding labels) via tmXBValues 
> and tmXBLabels. Once tmXBMode = "Explicit", you will also have to 
> set tmXBMinorValues, which defines where the minor tick marks are drawn.
> 
> You can then use if statements to set up different scenarios..
> 
> http://www.ncl.ucar.edu/Document/Graphics/Resources/tm.shtml#tmXBMode
> http://www.ncl.ucar.edu/Document/Graphics/Resources/tm.shtml#tmXBMinorValues
> 
> The top x-axis tick marks will also be set to whatever you do with 
> the bottom x-axis tick marks automatically. Hope that helps! Adam
> 
> On 09/21/2011 11:09 AM, Fan Fang wrote:
> > We use x-y plot for plotting time series, and labels are usually in
> > regular intervals.  Wonder if there is any utility in either resources
> > or functions that would enable us to put in labels following arbitrary
> > requirements, such as:
> >
> > arbitrary given time labels at possibly irregular intervals
> > show only major tick marks for years if time spans over 4 years
> > show 4 minor tics only
> > show months as minor tics and label months in English names
> >
> > Thanks.
> >
> > -Fan
> >
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> -- 
> ______________________________________________________________
> Adam Phillips                                asphilli@ucar.edu
> NCAR/Climate and Global Dynamics Division       (303) 497-1726
> P.O. Box 3000				
> Boulder, CO 80307-3000    http://www.cgd.ucar.edu/cas/asphilli
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Received on Wed Sep 21 14:04:25 2011

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