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Re: [ferret_users] Shifting major tics?



Hi Mick,

Thanks for your help!  (And, Billy, thanks for yours, too.)

| The "trick" used is to limit the x-axis to exclude the unwanted end 
| points. If you just wanted to exclude labels at the end points (but 
| wanted the defaults to apply inside) you could use:
| shade/nolab/hlim=10.001:69.999 v

This trick (also pointed out by Billy in his private email)
has solved my problem.

In my previous email, I simplified my situation. In fact,
my axis spans from 20E to 60W (x = 300) and is *cyclic*

  define axis/modulo=280/x=20.25:299.75:0.5/units=degrees_longitude \
         xax_mod

As if this isn't odd enough, I need to plot the eastern
portion of 70W--60W (x = 290--300) to the *west* of 20E.
(I'm plotting America half-superimposed on Africa!)
So, I plot

  contour/hlimits=10:290:30 . . .   !! instead of 20:300

This works because my x-axis is modulo 280.  The problem is
that I want to have numeric labels at 20E, 50E, 80E, 110E, etc.
By default, the labels are plotted at 10E, 40E, 70E, etc.
So, the trick is

  contour/set . . . ; ppl xaxis, 10.01, 290, 30; . . .

which does what I need.

I'm not sure if this trick works in more general cases, though.

Regards,
Ryo


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