def data_gen(*args):
    fret = llt.get_actual_profile(hLLT, profile_buffer, len(profile_buffer), llt.TProfileConfig.PARTIAL_PROFILE,
                               ct.byref(lost_profiles))
    if fret != len(profile_buffer):
        print("Error get profile buffer data: " + str(ret))

    fret = llt.convert_part_profile_2_values(profile_buffer, len(profile_buffer), ct.byref(partial_profile_struct), scanner_type, 0,
                                         null_ptr_short, null_ptr_short, null_ptr_short, x_p, z_p, null_ptr_int, null_ptr_int)
    if fret & llt.CONVERT_X is 0 or fret & llt.CONVERT_Z is 0:
        raise ValueError("Error converting data: " + str(ret))

    for i in range(16):
        timestamp[i] = profile_buffer[resolution * data_width - 16 + i]

    llt.timestamp_2_time_and_count(timestamp, ct.byref(shutter_opened), ct.byref(shutter_closed), ct.byref(profile_count), null_ptr_short)

    # Adjust ROI to area with circle
    x_roi = x[(x > lower_x_limit) & (x < upper_x_limit) & (z > lower_z_limit) & (z < upper_z_limit)]
    z_roi = z[(x > lower_x_limit) & (x < upper_x_limit) & (z > lower_z_limit) & (z < upper_z_limit)]

    # Fitting
    xc, zc, r, residuals = leastsq_circle(x_roi, z_roi)
    theta_fit = np.linspace(-np.pi, np.pi, 90)

    print(r)
    print(xc, zc)

    # Prepare draw data
    x_fit = xc + r*np.cos(theta_fit)
    z_fit = zc + r*np.sin(theta_fit)

    time.sleep(0.1)

    # yield iterator
    yield x, z, xc, zc, x_fit, z_fit
    raise ValueError("Error setting rearrangement: " + str(ret))

# Set container size
ret = llt.set_profile_container_size(hLLT, resolution, container_size)
if ret < 1:
    raise ValueError("Error setting profile container size: " + str(ret))

# Start transfer
ret = llt.transfer_profiles(hLLT, llt.TTransferProfileType.NORMAL_CONTAINER_MODE, 1)
if ret < 1:
    raise ValueError("Error starting transfer profiles: " + str(ret))

# Warm-up time
time.sleep(2)

ret = llt.get_actual_profile(hLLT, profile_buffer, len(profile_buffer), llt.TProfileConfig.CONTAINER,
                           ct.byref(lost_profiles))
if ret != len(profile_buffer):
    raise ValueError("Error get profile buffer data: " + str(ret))

# Stop transmission
ret = llt.transfer_profiles(hLLT, llt.TTransferProfileType.NORMAL_CONTAINER_MODE, 0)
if ret < 1:
    raise ValueError("Error stopping transfer profiles: " + str(ret))

# Disconnect
ret = llt.disconnect(hLLT)
if ret < 1:
    raise ConnectionAbortedError("Error while disconnect: " + str(ret))

ret = llt.del_device(hLLT)
if ret < 1:
Example #3
0
# Set profile config
ret = llt.set_profile_config(hLLT, llt.TProfileConfig.PROFILE)
if ret < 1:
    raise ValueError("Error setting profile config: " + str(ret))

# Start transfer
ret = llt.transfer_profiles(hLLT, llt.TTransferProfileType.NORMAL_TRANSFER, 1)
if ret < 1:
    raise ValueError("Error starting transfer profiles: " + str(ret))

# Warm-up time
time.sleep(0.2)

ret = llt.get_actual_profile(hLLT, profile_buffer,
                             len(profile_buffer), llt.TProfileConfig.PROFILE,
                             ct.byref(lost_profiles))
if ret != len(profile_buffer):
    raise ValueError("Error get profile buffer data: " + str(ret))

ret = llt.convert_profile_2_values(profile_buffer, len(profile_buffer),
                                   resolution, llt.TProfileConfig.PROFILE,
                                   scanner_type, 0, null_ptr_short,
                                   intensities, null_ptr_short, x, z,
                                   null_ptr_int, null_ptr_int)
if ret & llt.CONVERT_X is 0 or ret & llt.CONVERT_Z is 0 or ret & llt.CONVERT_MAXIMUM is 0:
    raise ValueError("Error converting data: " + str(ret))

for i in range(16):
    timestamp[i] = profile_buffer[resolution * 64 - 16 + i]
# Set profile config
ret = llt.set_profile_config(hLLT, llt.TProfileConfig.VIDEO_IMAGE)
if ret < 1:
    raise ValueError("Error setting profile config: " + str(ret))

# Start transfer
ret = llt.transfer_profiles(hLLT, llt.TTransferProfileType.NORMAL_TRANSFER, 1)
if ret < 1:
    raise ValueError("Error starting transfer profiles: " + str(ret))

# Warm-up time
time.sleep(0.2)

ret = llt.get_actual_profile(hLLT, profile_buffer, len(profile_buffer),
                             llt.TProfileConfig.VIDEO_IMAGE,
                             ct.byref(lost_profiles))
if ret != len(profile_buffer):
    raise ValueError("Error get profile buffer data: " + str(ret))

# Stop Video Stream
ret = llt.transfer_profiles(hLLT, llt.TTransferProfileType.NORMAL_TRANSFER, 0)
if ret < 1:
    raise ValueError("Error stopping transfer profiles: " + str(ret))

# Disconnect
ret = llt.disconnect(hLLT)
if ret < 1:
    raise ConnectionAbortedError("Error while disconnect: " + str(ret))

# Disconnect