OK. Got it. That is not what I was looking for.
But, why the leading $ sign? Just as an example? The $ sign shows up in the
cursor coordinate now. Is that what was supposed to happen (it is confusing
with the $ sign also being used for mathtext formatting, as you know).
Thanks,
Mark
On Thu, May 31, 2012 at 3:49 PM, Tony Yu <tsy...@gmail.com> wrote:
>
>
> On Thu, May 31, 2012 at 9:31 AM, Mark Bakker <mark...@gmail.com> wrote:
>
>> I looked at the example of overriding the default reporting of coords,
>> which is here:
>>
>> http://matplotlib.sourceforge.net/examples/pylab_examples/coords_report.html
>>
>> from pylab import *
>>
>> def millions(x):
>> return '$%1.1fM' % (x*1e-6)
>>
>> x = rand(20)
>> y = 1e7*rand(20)
>>
>> ax = subplot(111)
>> ax.fmt_ydata = millions
>> plot(x, y, 'o')
>>
>> show()
>>
>> I don't understand what the millions function does (with a $ and M ?).
>> In fact, I get the exact same result when I delete the line
>>
>> ax.fmt_ydata = millions
>>
>> Any thoughts?
>>
>
> Hi Mark,
>
> It's a bit confusing, but there's actually two different types of
> formatters. You're most likely looking for major/minor tick formatters (
> example<http://matplotlib.sourceforge.net/examples/api/engineering_formatter.html>).
> In the above example, the *cursor coordinate* is reformatted. In an
> interactive window, you should see the current cursor position in the lower
> left (this may depend on the backend)---that's the value that should be
> reformatted by the `millions` function.
>
> Best,
> -Tony
>
>
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