Re: tTick

Arindam & Mary,

I made the changes to Arindam's latest version. It appears to work
the same for my old scripts, I think the only changes you made were in
the resource names. I do like the new ones better.

On line 283, I replaced the "mod" function with the modulus operator
%. Shouldn't change the functionality, but I think it makes it so
that contributed.ncl doesn't have to be loaded for this to work.

Added resources ttMajorStride and ttMinorStride to set the intervals
for major (labeled) ticks and minor ticks. I believe all those
changes are from lines 171 to 217. I added a 6th example to
demonstrate ttMajorStride.

I'm attaching the new version of tTick.ncl along with ut_string.ncl
which simply converts a time variable to a string variable. Let me
know if you have any questions.

      Cheers,
      Carl

On Thu, Nov 19, 2009 at 12:22 PM, Arindam Chakraborty
<arch@caos.iisc.ernet.in> wrote:
> Carl, Mary:
>  Since the first version was posted, I made a few changes to that function.
> But I do not remember exactly what all changes were done. May not be too many
> or any major ones, except all the resources of tTick() now starts with `tt'.
> This will be helpful in remembering the name of the resources and using them
> within a function to check. I'm attaching the latest version along with this mail.
>
>  To my opinion, addition of minor ticks is a very important component to this
> function. Carl, if you have time you may please add your modifications to the
> latest version of the file and post the final one to Mary to include on the
> NCL web page. I will try to create some short examples of using this function
> and send them as early as possible.
>
> regards,
>
> arindam
> --
> ARINDAM CHAKRABORTY
>
> ---------- Original Message -----------
> From: Mary Haley <haley@ucar.edu>
> To: "Carl J. Schreck, III" <carl@atmos.albany.edu>
> Cc: ncl forum <ncl-talk@ucar.edu>
> Sent: Thu, 19 Nov 2009 08:57:43 -0700
> Subject: Re: tTick
>
>> Hi Carl,
>>
>> We probably should have added tTick to our libraries when Arindam
>> posted it.
>> I imagine it didn't get done because something like this involves
>> writing documentation, tests, and providing examples, and it probably
>> just slipped through the cracks.
>>
>> Perhaps we can create a "user_contrib.ncl" library that contains
>> these user-contributed funcitons? Or we can include it in an
>> applications  page.
>>
>> It's has been our list to create a "time axis" kind of applications
>> page, that
>> shows various ways to label an axis with time values.
>>
>> If you or Arindam have some examples that you'd be willing to share
>> that uses these procedures, and can provide some
>> minimal documentation, then we'll be happy to
>> figure out the best place for them
>>
>> Thanks,
>>
>> --Mary
>>
>> On Nov 19, 2009, at 7:42 AM, Carl J. Schreck, III wrote:
>>
>> > I wanted to give a quick "bump" to an old topic:
>> > http://www.ncl.ucar.edu/Support/talk_archives/2007/0763.html
>> >
>> > In that thread, Arindam Chakraborty posted a procedure that
>> > automatically generates nice axis labels for time plots.  This is a
>> > very useful script that I use on a daily base for time-lon
>> > (Hovmoeller) plots.  I've made a couple minor modifications to it to
>> > include minor ticks and to set the stride of the ticks.   I've used
>> > this script to write another function, ut_string, that takes a time
>> > variable and outputs it to a string in whatever format specified.
>> >
>> > Are there any plans to include these kinds of functions in future
>> > releases, or are they fairly low on the developer ToDo list?
>> >
>> >       Thanks,
>> >       Carl
>> >
>> > --
>> > Carl J. Schreck, III
>> > PhD Student
>> > Department of Atmospheric and Environmental Sciences
>> > University at Albany, ES 330
>> > carl@atmos.albany.edu
>> > http://www.atmos.albany.edu/student/carl/
>> > _______________________________________________
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-- 
Carl J. Schreck, III
PhD Student
Department of Atmospheric and Environmental Sciences
University at Albany, ES 330
carl@atmos.albany.edu
http://www.atmos.albany.edu/student/carl/

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