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Re: Undocumented function to determine em-width of font in points (or mm)

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On May 7, 9:36 pm, Luci Ellis <l...@verbeia.com> wrote:
> Dear all
> I vaguely remember that there is an undocumented function for
> extracting the length of an em in the current font, and expressing it
> in printers points, but I can't remember what it was.
>
> My problem is I need to create a graphics output that is a guaranteed
> absolute width in points (or mm). Each row in the grid needs to take
> its natural height, which GraphicsGrid or GraphicsColumn does not do
> (it creates equal-height rows). So I need to use Grid. But unlike
> GraphicsGrid, which uses points in the ImageSize option, Grid uses ems
> in the ItemSize option. I have a standard font so I should be able to
> map the font em to absolute units like points or mm, if only I can
> extract that em length in absolute units.
>
> Does anyone either remember the name of the undocumented function, or
> have another suggestion on how to do this?
>
> I am trying to write some functions to output various grids of plots,
> with titles and footnotes over the whole grid of plots. The formatting
> requirements of my employer are very, very precise. I can replicate the
> one-panel graphs pixel-for-pixel, but not when there is a grid of plots
> under the same title.
>
> Thanks in advance,
> Luci


I've often wondered why *Size units are not uniform for all *Size.
Does anyone know why Wolfram Research use printers pionts in some
cases and other units in others?

Mike

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Undocumented function to determine em-width of font in points (or mm) Luci Ellis <luci@verbeia.com> - 2011-05-07 11:36 +0000
  Re: Undocumented function to determine em-width of font in points (or mm) Luci Ellis <luci@verbeia.com> - 2011-05-08 11:35 +0000
  Re: Undocumented function to determine em-width of font in points (or mm) Armand Tamzarian <mike.honeychurch@gmail.com> - 2011-05-09 10:20 +0000

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