geometryXMLparser Namespace Reference

Classes
class	Alignable
class	CSCAlignable
class	DTAlignable
class	MuonGeometry
class	Operation

Functions
def	cscorder
def	dtorder

Function Documentation

def geometryXMLparser.cscorder	(		a,
			b
	)

Definition at line 36 of file geometryXMLparser.py.

References list(), and ComparisonHelper.zip().

def cscorder(a, b):
  for ai, bi, name in zip(list(a) + [0]*(5 - len(a)), \
                          list(b) + [0]*(5 - len(b)), \
                          ("endcap", "station", "ring", "chamber", "layer")):
    exec("a%s = %d" % (name, ai))
    exec("b%s = %d" % (name, bi))

  if astation == 1 and aring == 3: return cmp(a, b)

  elif aendcap == bendcap and astation == bstation and aring == bring and achamber != bchamber:
    if achamber == 0: return -1 # upper hierarchy comes first
    if bchamber == 0: return  1 # upper hierarchy comes first
    if achamber % 2 == 1 and bchamber % 2 == 0: return -1  # odds come first
    elif achamber % 2 == 0 and bchamber % 2 == 1: return 1 # evens come after

  return cmp(a, b)