[R] Applications of the Distance from a Point to a Curve

[Dimas Martnez Morera]

I would like to know if anyone knows about (real) situations where it is 
necessary to compute the euclidean distance from a point to a curve (or even 
the point where it is reached), you may not assume that the point is very 
close to the curve (unlike the usual fitting problems).
I have special interest in applications to phisics.

Thanks in advance,

Dimas