Just to clarify: the OFFICIAL definition of an inch is 2.54 cm.
So rounding errors shouldn't be much of a problem.
> Date: Mon, 29 Oct 2007 09:37:06 -0400
> From: Michael Droettboom <[EMAIL PROTECTED]>
>
> I agree that we have to remain in inches internally. Non-metric units
> are pretty ingrained in the printing world (not just in matplotlib) --
> Postscript, for example, always does page sizes in inches, even if
> you're using a "metric" page size like A4. The current definition of a
> point as 1/72 of a modern inch is also fairly standard worldwide. Even
> printers in France, for example, are spec'd in points par pouce (ppp),
> which is exactly equivalent to dots per inch (dpi).
>
> However, that's just an implementation detail we have to stick with.
> Matplotlib has Figure.get/set_size_inches now. What's to stop us from
> adding get/set_size_cm, and doing the conversion right there? There
> might be some rounding error, but I don't think it matters in this
> particular case. We would probably also want to add a "figsize_cm"
> kwarg to the Figure constructor (which would be mutually exclusive to
> "figsize"). What do you think?
>
> Cheers,
> Mike
>
>
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