[NTG-context] character width

[Taco Hoekwater]

Steffen Wolfrum wrote:
> Hi,
> 
> for fine-adjusting I need to have a variable horizontal space  
> sometimes the width of "999" sometimes of "1", for example.
> Is there a command that reads the width of a character so it can be  
> used in some kind of horizontal space?

There is a \fontcharwd primitive to measure the width of a single
character is a specific font:

   \hskip \the\fontcharwd \font `1

but it may be easier to put the number(s) in a box and measure the
width of that:

   \setbox\scratchbox=\hbox{999}%
   \hskip \the\wd \scratchbox

Greetings, Taco