meas_basis = ogp_util.get_measbasis(stepdict, fixture_basis)
points = ogp_util.get_points(stepdict, near, 7, 4)
#print points
points = ogp_util.transform_pts(meas_basis, fixture_basis, points)
#print points
[fiducials_nominal, p0] = ogp_util.l123_fiducials(side)
sol = scipy.optimize.leastsq(ogp_util.sensor_fitfunc,
p0,
args=(points, fiducials_nominal))[0]
print 'Sensor fit parameters: ' + str(sol)
print 'Sensor fit residuals (um): ' + str(
1000.0 * ogp_util.sensor_fitfunc(sol, points, fiducials_nominal))
sensor_origin = np.array(sol[0:3])
sensor_rotation = ogp_util.make_rotation(sol[3], sol[4], sol[5])
print 'Sensor origin: {0}'.format(sensor_origin)
norm_vec = sensor_rotation.T.dot([0.0, 0.0, 1.0])
print 'Normal vector: {0}'.format(norm_vec)
meas_vec = sensor_rotation.T.dot([1.0, 0.0, 0.0])
print 'Strip vector: {0}'.format(meas_vec)
angle = math.atan2(meas_vec[1], meas_vec[0])
print 'Strip angle: {0}'.format(angle)
topedge1 = sensor_origin[1] + 20.17 / math.cos(angle) + (
6.500 * 25.4 - sensor_origin[0]) * math.tan(angle)
topedge2 = sensor_origin[1] + 20.17 / math.cos(angle) + (
3.125 * 25.4 - sensor_origin[0]) * math.tan(angle)
def check_alignment(moduleend):
sensorname = near+' '+moduleend
points = np.empty([3,11])
points = ogp_util.get_points(stepdict, sensorname, 4, 7)
#print points
for i in range(0,11):
points[:,i] = ogp_util.transform_pt(meas_basis,fixture_basis,points[:,i])
#print points
[fiducials_nominal,p0] = ogp_util.l456_fiducials(moduleend,side)
sol = scipy.optimize.leastsq(ogp_util.sensor_fitfunc,p0,args=(points,fiducials_nominal))[0]
print 'Sensor fit parameters: '+str(sol)
print 'Sensor fit residuals (um): '+str(1000.0*ogp_util.sensor_fitfunc(sol, points, fiducials_nominal))
sensor_origin = np.array(sol[0:3])
sensor_rotation = ogp_util.make_rotation(sol[3],sol[4],sol[5])
print 'Sensor origin: {0}'.format(sensor_origin)
norm_vec = sensor_rotation.T.dot([0.0, 0.0, 1.0])
print 'Normal vector: {0}'.format(norm_vec)
meas_vec = sensor_rotation.T.dot([1.0, 0.0, 0.0])
print 'Strip vector: {0}'.format(meas_vec)
angle = math.atan2(meas_vec[1],meas_vec[0])
print 'Strip angle: {0}'.format(angle)
if (moduleend=='block'):
fixture_x1 = 5.875
fixture_x2 = 2.500
if (side=='front'):
nominal1 = 2.176
nominal2 = 2.008
else:
nominal1 = 2.176
nominal2 = 2.176
else:
fixture_x1 = 9.250
fixture_x2 = 5.875
if (side=='front'):
nominal1 = 2.346
nominal2 = 2.176
else:
nominal1 = 2.176
nominal2 = 2.176
topedge1 = sensor_origin[1] + 20.17/abs(math.cos(angle)) + (fixture_x1*25.4 - sensor_origin[0])*math.tan(angle)
topedge2 = sensor_origin[1] + 20.17/abs(math.cos(angle)) + (fixture_x2*25.4 - sensor_origin[0])*math.tan(angle)
print near+' '+moduleend+' edge 1: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(nominal1*25.4, topedge1, 1000*(topedge1-nominal1*25.4))
print near+' '+moduleend+' edge 2: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(nominal2*25.4, topedge2, 1000*(topedge2-nominal2*25.4))
corner1 = sol[6]*(50.0)**2 + sol[7]*(20.17)**2 + sol[8]*50.0*20.17
corner2 = sol[6]*(50.0)**2 + sol[7]*(20.17)**2 - sol[8]*50.0*20.17
print 'Deviation from plane at corners (um): {0:.2f}, {1:.2f}'.format(corner1*1000,corner2*1000)
hess = np.array([[2*sol[6],sol[8]], [sol[8],2*sol[7]]])
w, v = np.linalg.eigh(hess)
print 'Eigenvalues of curvature matrix:'
print w
print 'Eigenvectors of curvature matrix:'
print v
if (moduleend=='block'):
if (side=='front'):
nominal1 = 2.176
nominal2 = 2.176
visible = 'upper'
edgedistance = 0.0
else:
nominal1 = 2.176
nominal2 = 2.008
visible = 'lower'
edgedistance = 40.34
else:
if (side=='front'):
nominal1 = 2.176
nominal2 = 2.176
visible = 'lower'
edgedistance = 40.34
else:
nominal1 = 2.346
nominal2 = 2.176
visible = 'upper'
edgedistance = 0.0
edgeangle = math.radians(stepdict[far+' '+moduleend+' '+visible+' edge']['XY Angle'][1])
edgeel = math.radians(stepdict[far+' '+moduleend+' '+visible+' edge']['Elevation'][1])
edgevec = np.array([math.cos(edgeangle)*math.cos(edgeel),
math.sin(edgeangle)*math.cos(edgeel),
math.sin(edgeel)])
edgepos = np.array([stepdict[far+' '+moduleend+' '+visible+' edge']['X Location'][1],
stepdict[far+' '+moduleend+' '+visible+' edge']['Y Location'][1]+edgedistance/abs(math.cos(edgeangle)),
stepdict[far+' '+moduleend+' '+visible+' edge']['Z Location'][1]])
edgevec = ogp_util.transform_vec(meas_basis,fixture_basis,edgevec)
edgepos = ogp_util.transform_pt(meas_basis,fixture_basis,edgepos)
topedge1 = edgepos[1] + (fixture_x1*25.4 - edgepos[0])*(edgevec[1]/edgevec[0])
topedge2 = edgepos[1] + (fixture_x2*25.4 - edgepos[0])*(edgevec[1]/edgevec[0])
print far+' '+moduleend+' edge 1: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(nominal1*25.4, topedge1, 1000*(topedge1-nominal1*25.4))
print far+' '+moduleend+' edge 2: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(nominal2*25.4, topedge2, 1000*(topedge2-nominal2*25.4))
def check_alignment(moduleend):
sensorname = near + ' ' + moduleend
points = np.empty([3, 11])
points = ogp_util.get_points(stepdict, sensorname, 4, 7)
#print points
for i in range(0, 11):
points[:, i] = ogp_util.transform_pt(meas_basis, fixture_basis,
points[:, i])
#print points
[fiducials_nominal, p0] = ogp_util.l456_fiducials(moduleend, side)
sol = scipy.optimize.leastsq(ogp_util.sensor_fitfunc,
p0,
args=(points, fiducials_nominal))[0]
print 'Sensor fit parameters: ' + str(sol)
print 'Sensor fit residuals (um): ' + str(
1000.0 * ogp_util.sensor_fitfunc(sol, points, fiducials_nominal))
sensor_origin = np.array(sol[0:3])
sensor_rotation = ogp_util.make_rotation(sol[3], sol[4], sol[5])
print 'Sensor origin: {0}'.format(sensor_origin)
norm_vec = sensor_rotation.T.dot([0.0, 0.0, 1.0])
print 'Normal vector: {0}'.format(norm_vec)
meas_vec = sensor_rotation.T.dot([1.0, 0.0, 0.0])
print 'Strip vector: {0}'.format(meas_vec)
angle = math.atan2(meas_vec[1], meas_vec[0])
print 'Strip angle: {0}'.format(angle)
if (moduleend == 'block'):
fixture_x1 = 5.875
fixture_x2 = 2.500
if (side == 'front'):
nominal1 = 2.176
nominal2 = 2.008
else:
nominal1 = 2.176
nominal2 = 2.176
else:
fixture_x1 = 9.250
fixture_x2 = 5.875
if (side == 'front'):
nominal1 = 2.346
nominal2 = 2.176
else:
nominal1 = 2.176
nominal2 = 2.176
topedge1 = sensor_origin[1] + 20.17 / abs(math.cos(angle)) + (
fixture_x1 * 25.4 - sensor_origin[0]) * math.tan(angle)
topedge2 = sensor_origin[1] + 20.17 / abs(math.cos(angle)) + (
fixture_x2 * 25.4 - sensor_origin[0]) * math.tan(angle)
print near + ' ' + moduleend + ' edge 1: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(
nominal1 * 25.4, topedge1, 1000 * (topedge1 - nominal1 * 25.4))
print near + ' ' + moduleend + ' edge 2: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(
nominal2 * 25.4, topedge2, 1000 * (topedge2 - nominal2 * 25.4))
corner1 = sol[6] * (50.0)**2 + sol[7] * (20.17)**2 + sol[8] * 50.0 * 20.17
corner2 = sol[6] * (50.0)**2 + sol[7] * (20.17)**2 - sol[8] * 50.0 * 20.17
print 'Deviation from plane at corners (um): {0:.2f}, {1:.2f}'.format(
corner1 * 1000, corner2 * 1000)
hess = np.array([[2 * sol[6], sol[8]], [sol[8], 2 * sol[7]]])
w, v = np.linalg.eigh(hess)
print 'Eigenvalues of curvature matrix:'
print w
print 'Eigenvectors of curvature matrix:'
print v
if (moduleend == 'block'):
if (side == 'front'):
nominal1 = 2.176
nominal2 = 2.176
visible = 'upper'
edgedistance = 0.0
else:
nominal1 = 2.176
nominal2 = 2.008
visible = 'lower'
edgedistance = 40.34
else:
if (side == 'front'):
nominal1 = 2.176
nominal2 = 2.176
visible = 'lower'
edgedistance = 40.34
else:
nominal1 = 2.346
nominal2 = 2.176
visible = 'upper'
edgedistance = 0.0
edgeangle = math.radians(stepdict[far + ' ' + moduleend + ' ' + visible +
' edge']['XY Angle'][1])
edgeel = math.radians(stepdict[far + ' ' + moduleend + ' ' + visible +
' edge']['Elevation'][1])
edgevec = np.array([
math.cos(edgeangle) * math.cos(edgeel),
math.sin(edgeangle) * math.cos(edgeel),
math.sin(edgeel)
])
edgepos = np.array([
stepdict[far + ' ' + moduleend + ' ' + visible +
' edge']['X Location'][1],
stepdict[far + ' ' + moduleend + ' ' + visible +
' edge']['Y Location'][1] +
edgedistance / abs(math.cos(edgeangle)),
stepdict[far + ' ' + moduleend + ' ' + visible +
' edge']['Z Location'][1]
])
edgevec = ogp_util.transform_vec(meas_basis, fixture_basis, edgevec)
edgepos = ogp_util.transform_pt(meas_basis, fixture_basis, edgepos)
topedge1 = edgepos[1] + (fixture_x1 * 25.4 - edgepos[0]) * (edgevec[1] /
edgevec[0])
topedge2 = edgepos[1] + (fixture_x2 * 25.4 - edgepos[0]) * (edgevec[1] /
edgevec[0])
print far + ' ' + moduleend + ' edge 1: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(
nominal1 * 25.4, topedge1, 1000 * (topedge1 - nominal1 * 25.4))
print far + ' ' + moduleend + ' edge 2: nominal {0:.4f}, actual {1:.4f} (deviation {2:.2f} um)'.format(
nominal2 * 25.4, topedge2, 1000 * (topedge2 - nominal2 * 25.4))
stepdict = ogp_util.getsteps(sys.argv[2])
fixture_basis = ogp_util.l123_basis()
meas_basis = ogp_util.get_measbasis(stepdict, fixture_basis)
points = ogp_util.get_points(stepdict, near, 7, 4)
# print points
points = ogp_util.transform_pts(meas_basis, fixture_basis, points)
# print points
[fiducials_nominal, p0] = ogp_util.l123_fiducials(side)
sol = scipy.optimize.leastsq(ogp_util.sensor_fitfunc, p0, args=(points, fiducials_nominal))[0]
print "Sensor fit parameters: " + str(sol)
print "Sensor fit residuals (um): " + str(1000.0 * ogp_util.sensor_fitfunc(sol, points, fiducials_nominal))
sensor_origin = np.array(sol[0:3])
sensor_rotation = ogp_util.make_rotation(sol[3], sol[4], sol[5])
print "Sensor origin: {0}".format(sensor_origin)
norm_vec = sensor_rotation.T.dot([0.0, 0.0, 1.0])
print "Normal vector: {0}".format(norm_vec)
meas_vec = sensor_rotation.T.dot([1.0, 0.0, 0.0])
print "Strip vector: {0}".format(meas_vec)
angle = math.atan2(meas_vec[1], meas_vec[0])
print "Strip angle: {0}".format(angle)
topedge1 = sensor_origin[1] + 20.17 / math.cos(angle) + (6.500 * 25.4 - sensor_origin[0]) * math.tan(angle)
topedge2 = sensor_origin[1] + 20.17 / math.cos(angle) + (3.125 * 25.4 - sensor_origin[0]) * math.tan(angle)
if side == "front":