[NTG-context] EPS/PDF import and \underbrace in metaplay

[Vit Zyka]

Mojca Miklavec wrote:

> 1.) EPS/PDF import
> 
> How do I make an existing EPS or PDF image a part of some other 
> meta[post/play] graphic?

Use externalfigure (Metafun manual, 8.4 Including graphics)

> 2.) \underbrace
> 
> I wrote the following two macros for drawing braces in graphics:
> 
> \def\underbracedescription#1#2{$\underbrace{\hbox{\vrule width#1 height
> 0bp}}_{\hbox{\strut #2}}$}
> \def\rightbracedescription#1#2{$\displaystyle{\left.\vphantom{\hbox{\vrule
> width0bp height#1 depth#1}}\right\}\hbox{\strut #2}}$}
> 
> However, the width has to be given manually - it doesn't care about the

I do not understand what is your desire. But in the case of obtaining 
real dimmensions:
   \setbox0=\hbox{ ... }%
then
   \wd0 is width
   \ht0 is height
   \dp0 is depth
   \box0 or \copy0 give the box contain

Vit Zyka