point2line

PURPOSE

this function returns the row index of the matrix of points (pt) closest

function index = point2line(pt,ln)

this function returns the row index of the matrix of points (pt) closest
to the tail and to the line
line defined by ln (tail to head)

This function calls:

ctransform vout = CTRANSFORM(c1,c2,vec) will transform a vector from c1 to c2 (T2/1)
makeunit MAKEUNIT makes all vectors unit vectors

This function is called by: