import org.apache.commons.math3.geometry.euclidean.threed.Segment as Segment
import org.apache.commons.math3.geometry.euclidean.threed.Vector3D as Vector3D
import org.apache.commons.math3.geometry.euclidean.threed.Line as Line


p = Vector3D(0, 0, 3)

p1 = Vector3D(0,0,0)
p2 = Vector3D(0,1,1 )
tolerance = 0.001

l = Line(p1, p2, tolerance)


print l.distance(p)
print p1.distance(p)
print p2.distance(p)
print "---"

print l.getAbscissa(p)
print l.pointAt(l.getAbscissa(p))

#print l.closestPoint(Line(p, p, 0.01))