def reverse_curve(crv):
	"""
	Reverse the order of points in a curve.
	"""
	## reverse each 1d subarray
	crv.r    =    crv.r[::-1]
	crv.tr   =   crv.tr[:,::-1]
	crv.uv   =   crv.uv[:,::-1]
	crv.uvdl = crv.uvdl[:,::-1]
	crv.UV   =   crv.UV[:,::-1]
	## return
	return crv