def disconnect(self):
"""Disconnect from the scanner
Raises:
Exception -- Disconnection error
Exception -- Delete error
"""
# Disconnect
ret = llt.disconnect(self.hLLT)
if ret < 1:
raise Exception("Error while disconnect: " + str(ret))
ret = llt.del_device(self.hLLT)
if ret < 1:
raise Exception("Error while delete: " + 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:
raise ConnectionAbortedError("Error while delete: " + str(ret))
# Convert buffer to big-endian ushort values and reshape them to 2D array
Z = np.frombuffer(profile_buffer, dtype='>H').reshape((container_size, resolution))
fig = plt.figure()
fig.subplots_adjust(wspace=0.3)
plt.pcolormesh(X, Y, Z)
plt.colorbar()
plt.show()