#13078: Make it easier to do custom tick formatting
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       Reporter:  kcrisman     |         Owner:  jason, was  
           Type:  enhancement  |        Status:  needs_review
       Priority:  minor        |     Milestone:  sage-5.3    
      Component:  graphics     |    Resolution:              
       Keywords:               |   Work issues:              
Report Upstream:  N/A          |     Reviewers:              
        Authors:               |     Merged in:              
   Dependencies:               |      Stopgaps:              
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Comment (by kcrisman):

 Yeah, that was probably a little sloppy, and in any case, this is new
 functionality.  If it doesn't break the old one... since these things have
 to be strings, maybe one could check if the first item was a string, and
 then let it go through...  Just seems like
 {{{
 plot(sin(x),(x,-2*pi,2*pi),ticks=[1,2,3],tick_formatter=['a','b','c'])
 }}}
 should work, by analogy with the other things that already work.

 My point is that there isn't an easy way to determine how many there will
 be, but that once one ''does'' know (for instance, by plotting the picture
 with `ticks=pi`), then they might as well be able to do the formatting I
 suggest.  Wouldn't matplotlib raise an error we could catch if the
 formatter (at least, the `FixedFormatter`) had too many/too few entries?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13078#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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