Example #1
0
def transform_axis(null_basis,uch_basis,p):
	axis = get_axis(p)
	return ogp_util.transform_pts(null_basis,uch_basis,axis)
Example #2
0
elif (side == 'back'):
    near = 'Axial'
    far = 'Stereo'
else:
    print 'Invalid side'
    sys.exit()

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])
Example #3
0
elif side == "back":
    near = "Axial"
    far = "Stereo"
else:
    print "Invalid side"
    sys.exit()

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)