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Perform simple reformatting of the ticks in a plot?

Michael Stern
Posted 8 years ago
POSTED BY: Michael Stern
7 Replies
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Alan Parson
Alan Parson
Posted 5 years ago

Hi, I am interested in this solution too. I would like to use human readable numeric values on my charts, not in scientific notation. I could not find how to do that. I am using Mathematica 12.1.1 Thanks!
POSTED BY: Alan Parson

Hmm, AbsoluteOptions gives useless result with DateListPlot. A workaround is to get the ticks from a ListPlot and to feed them to DateListPlot:

data = {{{2017, 1, 1}, 1}, {{2017, 2, 1}, 2}};
nonDatePlot = ListPlot[data[[All, -1]]];
tks = Ticks /. AbsoluteOptions[nonDatePlot];
modifiedTks = 
  tks[[2]] /. {x_Real, tk_Real, rest___} :> {x, 
     Rationalize[tk/Pi, Pi/10000] Pi, rest};
DateListPlot[data, 
 FrameTicks -> {{modifiedTks, Automatic}, Automatic}]
POSTED BY: Gianluca Gorni
POSTED BY: Sander Huisman
Michael Stern
Michael Stern
Posted 8 years ago

I generate a lot of these graphs with varying Y-axes so I would greatly prefer not to have to set the upper and lower bounds by hand. Is there some mechanism that lets Mathematica pick the placement but lets me pick the formatting?
POSTED BY: Michael Stern

You can intercept the automatically generated ticks and then tweak them, for example with a replacement rule. Something like this:

myPlot = Plot[Sin[x], {x, 0, Pi}]
tks = Ticks /. AbsoluteOptions[myPlot, Ticks];
Show[myPlot, 
 Ticks -> {tks[[1]] /. {x_Real, tk_Real, rest___} :> {x, 
      Rationalize[tk/Pi, Pi/10000] Pi, rest}, tks[[2]]}]
POSTED BY: Gianluca Gorni
Michael Stern
Michael Stern
Posted 8 years ago

This doesn't work with DateListPlots.
POSTED BY: Michael Stern

Currently only semi-manually, like Gianluca proposed...
POSTED BY: Sander Huisman
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