def testDistanceBetweenCurves(self):
l1 = {'save_xd': array([[0.5,1,0], [1.5,1,0]]), 'lamb':array([0.0, 1.0])}
l2 = {'save_xd': array([[0,0,0], [1,0,0], [2,0,0]])}
x = arange(-1,1,0.005)
line = array(zip(x,x,x)) #not actually needed for calcualtion, but dummy argument to residuals_cal for now
residuals_calc = LPCResiduals(line, tube_radius = 0.2)
dist = residuals_calc._distanceBetweenCurves(l1,l2)
