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File indexing completed on 2024-11-25 02:29:03

0001 #!/usr/bin/env python
0002 
0003 from builtins import range
0004 from Alignment.MuonAlignment.geometryXMLparser import MuonGeometry, dtorder, cscorder
0005 import sys, getopt
0006 
0007 usage = "Usage: geometryDiff.py [-h|--help] [-e|--epsilon epsilon] geometry1.xml geometry2.xml"
0008 
0009 try:
0010   opts, args = getopt.getopt(sys.argv[1:], "he:", ["help", "epsilon="])
0011 except getopt.GetoptError as msg:
0012   print(usage, file=sys.stderr)
0013   sys.exit(2)
0014 
0015 if len(args) != 2:
0016   print(usage, file=sys.stderr)
0017   sys.exit(2)
0018 
0019 opts = dict(opts)
0020 
0021 if "-h" in opts or "--help" in opts:
0022   print(usage)
0023   sys.exit(0)
0024 
0025 epsilon = 1e-6
0026 if "-e" in opts: epsilon = float(opts["-e"])
0027 if "--epsilon" in opts: epsilon = float(opts["--epsilon"])
0028 
0029 geom1 = MuonGeometry(file(args[0]))
0030 geom2 = MuonGeometry(file(args[1]))
0031 
0032 from math import sin, cos, sqrt
0033 sqrtepsilon = sqrt(epsilon)
0034 
0035 def matrixmult(a, b):
0036   return [[sum([i*j for i, j in zip(row, col)]) for col in zip(*b)] for row in a]
0037 
0038 def transpose(a):
0039   return [[a[j][i] for j in range(len(a[i]))] for i in range(len(a))]
0040 
0041 def rotFromPhi(g):
0042   phix, phiy, phiz = g.phix, g.phiy, g.phiz
0043   rotX = [[1.,         0.,         0.,       ],
0044           [0.,         cos(phix),  sin(phix),],
0045           [0.,        -sin(phix),  cos(phix),]]
0046   rotY = [[cos(phiy),  0.,        -sin(phiy),],
0047           [0.,         1.,         0.,       ],
0048           [sin(phiy),  0.,         cos(phiy),]]
0049   rotZ = [[cos(phiz),  sin(phiz),  0.,       ],
0050           [-sin(phiz), cos(phiz),  0.,       ],
0051           [0.,         0.,         1.,       ]]
0052   return matrixmult(rotX, matrixmult(rotY, rotZ))
0053 
0054 def rotFromEuler(g):
0055   s1, s2, s3 = sin(g.alpha), sin(g.beta), sin(g.gamma)
0056   c1, c2, c3 = cos(g.alpha), cos(g.beta), cos(g.gamma)
0057   return [[c2 * c3,    c1 * s3 + s1 * s2 * c3,   s1 * s3 - c1 * s2 * c3,],
0058           [-c2 * s3,   c1 * c3 - s1 * s2 * s3,   s1 * c3 + c1 * s2 * s3,],
0059           [s2,        -s1 * c2,                  c1 * c2,               ]]
0060 
0061 def loopover(which):
0062   if which == "DT":
0063     keys = geom1.dt.keys()
0064     keys.sort(dtorder)
0065 
0066   elif which == "CSC":
0067     keys = geom1.csc.keys()
0068     keys.sort(cscorder)
0069 
0070   else: raise Exception
0071 
0072   for key in keys:
0073     if which == "DT":
0074       g1 = geom1.dt[key]
0075       g2 = geom2.dt[key]
0076     else:
0077       g1 = geom1.csc[key]
0078       g2 = geom2.csc[key]
0079 
0080     if g1.relativeto != g2.relativeto:
0081       print("%s %s relativeto=\"%s\" versus relativeto=\"%s\"" % (which, str(key), g1.relativeto, g2.relativeto))
0082 
0083     if abs(g1.x - g2.x) > epsilon or abs(g1.y - g2.y) > epsilon or abs(g1.z - g2.z) > epsilon:
0084       print("%s %s position difference: (%g, %g, %g) - (%g, %g, %g) = (%g, %g, %g)" % \
0085             (which, str(key), g1.x, g1.y, g1.z, g2.x, g2.y, g2.z, g1.x - g2.x, g1.y - g2.y, g1.z - g2.z))
0086 
0087     if "phix" in g1.__dict__:
0088       g1type = "phi"
0089       g1a, g1b, g1c = g1.phix, g1.phiy, g1.phiz
0090       g1rot = rotFromPhi(g1)
0091     else:
0092       g1type = "euler"
0093       g1a, g1b, g1c = g1.alpha, g1.beta, g1.gamma
0094       g1rot = rotFromEuler(g1)
0095 
0096     if "phix" in g2.__dict__:
0097       g2type = "phi"
0098       g2a, g2b, g2c = g2.phix, g2.phiy, g2.phiz
0099       g2rot = rotFromPhi(g2)
0100     else:
0101       g2type = "euler"
0102       g2a, g2b, g2c = g2.alpha, g2.beta, g2.gamma
0103       g2rot = rotFromEuler(g2)
0104     
0105     diff = matrixmult(g1rot, transpose(g2rot))
0106     if abs(diff[0][0] - 1.) > sqrtepsilon or abs(diff[1][1] - 1.) > sqrtepsilon or abs(diff[2][2] - 1.) > sqrtepsilon or \
0107        abs(diff[0][1]) > epsilon or abs(diff[0][2]) > epsilon or abs(diff[1][2]) > epsilon:
0108       print("%s %s rotation difference: %s(%g, %g, %g) - %s(%g, %g, %g) = %s" % \
0109             (which, str(key), g1type, g1a, g1b, g1c, g2type, g2a, g2b, g2c, str(diff)))
0110 
0111 loopover("DT")
0112 loopover("CSC")
0113 
0114