def _make_processed_dataset(filename, preprocess, root_dir,
sub_dir_in_processed, Tx_locations, Rx_locations,
nCx, nCy):
# for filename in files:
pkl_name = os.path.join(root_dir, filename)
data = read_pkl(pkl_name)
# check if the data is dict and have "resistance" and "resistivity_log10" keys
if (not isinstance(data, dict) or data.get('resistance') is None
or data.get('resistivity_log10') is None):
raise Exception(
'data is not a dict or dict does not contain essential keys')
# preprocess
for k, v in preprocess.items():
if k == 'add_noise' and v.get('perform'):
add_noise(data['resistance'], **v.get('kwargs'))
elif k == 'log_transform' and v.get('perform'):
log_transform(data['resistance'], **v.get('kwargs'))
elif k == 'to_midpoint' and v.get('perform'):
data['resistance'] = to_midpoint(data['resistance'], Tx_locations,
Rx_locations)
elif k == 'to_txrx' and v.get('perform'):
data['resistance'] = to_txrx(data['resistance'], Tx_locations,
Rx_locations)
elif k == 'to_section' and v.get('perform'):
data['resistivity_log10'] = to_section(data['resistivity_log10'],
nCx, nCy)
# save pickle in processed dir
new_pkl_name = os.path.join(sub_dir_in_processed,
re.sub(r'raw', r'processed', filename))
write_pkl(data, new_pkl_name)
return data
def read_dataset(input_file_path, target_file_path, read_dataset_info):
"""Read dataset from pickle files and preprocess it.
Parameters
----------
input_file_path : str, os.PathLike or pathlib.Path
The path of pickle file.
target_file_path : str, os.PathLike or pathlib.Path
The path of pickle file.
read_dataset_info : dict
Returns
-------
resistance : numpy.ndarray
The input data of the neural network.
resistivity_log10 : numpy.ndarray
The target data of the neural network.
"""
# read data and assign
# data = read_pkl(file_path.numpy().decode('utf-8'))
# resistance = data['resistance']
# resistivity_log10 = data['resistivity_log10']
data = read_pkl(input_file_path.numpy().decode('utf-8'))
resistance = data
data = read_pkl(target_file_path.numpy().decode('utf-8'))
resistivity_log10 = data
# parse read_dataset_info dictionary
preprocess = read_dataset_info['preprocess']
Tx_locations = read_dataset_info['Tx_locations']
Rx_locations = read_dataset_info['Rx_locations']
nCx = read_dataset_info['nCx']
nCy = read_dataset_info['nCy']
# preprocess
for k, v in preprocess.items():
if k == 'add_noise' and v.get('perform'):
add_noise(resistance, **v.get('kwargs'))
elif k == 'log_transform' and v.get('perform'):
log_transform(resistance, **v.get('kwargs'))
elif k == 'to_midpoint' and v.get('perform'):
resistance = to_midpoint(resistance, Tx_locations, Rx_locations)
elif k == 'to_txrx' and v.get('perform'):
resistance = to_txrx(resistance, Tx_locations, Rx_locations)
elif k == 'to_section' and v.get('perform'):
resistivity_log10 = to_section(resistivity_log10, nCx, nCy)
return resistance, resistivity_log10
def _forward_simulation(pkl_name, simulator):
data = read_pkl(pkl_name)
# shape_V = data['synthetic_resistance'].shape
resistivity = np.flipud(np.power(
10, data['predicted_resistivity_log10'])).flatten()
# stop printing messages
with contextlib.redirect_stdout(None):
data['predicted_resistance'] = simulator.make_synthetic_data(
resistivity, std=0, force=True)
write_pkl(data, pkl_name)
def _process_resistivity(filename, save_resistivity_dir, processes, to_float32,
nCx, nCy):
raw_resistivity = read_pkl(filename)
pkl_name = os.path.basename(filename)
save_resistivity_pkl = os.path.join(save_resistivity_dir, pkl_name)
for process, kwargs in processes.items():
if process == 'to_section':
raw_resistivity = to_section(raw_resistivity, nCx, nCy)
if to_float32:
raw_resistivity = raw_resistivity.astype('float32')
write_pkl(raw_resistivity, save_resistivity_pkl)
def _process_resistance(filename, save_resistance_dir, processes, to_float32,
Tx_locations, Rx_locations, nCx, nCy):
raw_resistance = read_pkl(filename)
pkl_name = os.path.basename(filename)
save_resistance_pkl = os.path.join(save_resistance_dir, pkl_name)
for process, kwargs in processes.items():
if process == 'add_noise':
add_noise(raw_resistance, **kwargs)
elif process == 'log_transform':
log_transform(raw_resistance, **kwargs)
elif process == 'to_midpoint':
raw_resistance = to_midpoint(raw_resistance, Tx_locations,
Rx_locations)
elif process == 'to_txrx':
raw_resistance = to_txrx(raw_resistance, Tx_locations,
Rx_locations)
if to_float32:
raw_resistance = raw_resistance.astype('float32')
write_pkl(raw_resistance, save_resistance_pkl)
def get_data(self, temp_file_list):
resistance = np.empty((len(temp_file_list), *self.input_shape))
for i, file in enumerate(temp_file_list):
data = read_pkl(file)
if self.preprocess['to_midpoint']['perform']:
resistance[i, ] = to_midpoint(data['resistance'],
self.Tx_locations,
self.Rx_locations)
elif self.preprocess['to_txrx']['perform']:
resistance[i, ] = to_txrx(data['resistance'],
self.Tx_locations, self.Rx_locations)
else:
resistance[i, ] = data['resistance'].reshape(self.input_shape)
for k, v in self.preprocess.items():
if k == 'add_noise' and v.get('perform'):
add_noise(resistance, **v.get('kwargs'))
elif k == 'log_transform' and v.get('perform'):
log_transform(resistance, **v.get('kwargs'))
return resistance
# parse config and setting
custom_NN = config['custom_NN']
dataset_rootdir = config['dataset_rootdir']
training_dir = os.path.join(dataset_rootdir, 'training')
validation_dir = os.path.join(dataset_rootdir, 'validation')
training_resistance_dir = os.path.join(training_dir, 'resistance',
config['resistance_dirname'])
training_resistivity_dir = os.path.join(training_dir, 'resistivity',
config['resistivity_dirname'])
validation_resistance_dir = os.path.join(validation_dir, 'resistance',
config['resistance_dirname'])
validation_resistivity_dir = os.path.join(validation_dir, 'resistivity',
config['resistivity_dirname'])
simulator_pkl = os.path.join(dataset_rootdir, 'simulator.pkl')
simulator = read_pkl(simulator_pkl) # for physical simulation
save_model_dir = config['save_model_dir']
os.makedirs(save_model_dir, exist_ok=True)
save_weights_dir = os.path.join(save_model_dir, 'weights')
tb_log_dir = os.path.join(save_model_dir, 'logs',
datetime.now().strftime("%Y%m%d-%H%M%S"))
os.makedirs(tb_log_dir, exist_ok=True)
pre_trained_weight_h5 = config[
'pre_trained_weights'] # training from this weights.
trained_weight_h5 = os.path.join(
save_weights_dir,
'trained_weight.h5') # save trained weights to this file.
# accelerate
enable_XLA = config['enable_XLA']
enable_mixed_float16 = config['enable_mixed_float16']
# hyper parameters
def make_processed_dataset(config_file):
"""
Preprocess raw dataset and save it to processed directory.
Parameters
----------
config_file : str, pathlib.Path or dict
The path to the configured yaml file or the dictionary for configuration.
Returns
-------
None
"""
config = read_config_file(config_file)
dataset_dir = config['dataset_dir']
to_float32 = config['save_as_float32']
# save_processed_data_dir = config['save_processed_data_dir']
preprocess_resistance = config['preprocess']['resistance']
preprocess_resistivity = config['preprocess']['resistivity']
simulator_pkl = os.path.join(dataset_dir, 'simulator.pkl')
# save_simulator_pkl = os.path.join(save_processed_data_dir, 'simulator.pkl')
# do_preprocess = any(value['perform'] for action, value in preprocess.items())
simulator = read_pkl(simulator_pkl)
# read nCx and nCy
nCx = simulator.mesh.nCx # number of cell center mesh in the x direction
nCy = simulator.mesh.nCy # number of cell center mesh in the z (y) direction
# read Tx_locations and Rx_locations
Tx_locations = simulator.urf.abmn_locations[:, :4]
Rx_locations = simulator.urf.abmn_locations[:, 4:]
# expand simulator.config and save it
# simulator.config = {
# 'generating': simulator.config, # config for generate data
# 'preprocessing': config # config for preprocess data
# }
# os.makedirs(save_processed_data_dir, exist_ok=True)
# write_pkl(simulator, save_simulator_pkl)
for sub_dir in ('training', 'validation', 'testing'):
resistance_dir = os.path.join(dataset_dir, sub_dir, 'resistance')
resistivity_dir = os.path.join(dataset_dir, sub_dir, 'resistivity')
raw_resistance_dir = os.path.join(resistance_dir, 'raw')
raw_resistivity_dir = os.path.join(resistivity_dir, 'raw')
raw_resistance_list = get_pkl_list(raw_resistance_dir)
raw_resistivity_list = get_pkl_list(raw_resistivity_dir)
# create resistance directory
save_resistance_dir_list = []
for _, processes in preprocess_resistance.items():
process_description_list = []
for process, kwargs in processes.items():
if process == 'add_noise':
process_description_list.append('[' + '_'.join([
f"{int(kwargs['scale']*100):0>3}%",
kwargs['noise_type'], 'noise'
]) + ']')
elif process == 'log_transform':
process_description_list.append('[log_transform]')
elif process == 'to_midpoint':
process_description_list.append('[midpoint]')
elif process == 'to_txrx':
process_description_list.append('[txrx]')
save_resistance_dir = os.path.join(
resistance_dir, '_'.join(process_description_list))
os.makedirs(save_resistance_dir, exist_ok=True)
save_resistance_dir_list.append(save_resistance_dir)
# create resistivity directory
save_resistivity_dir_list = []
for _, processes in preprocess_resistivity.items():
process_description_list = []
for process, kwargs in processes.items():
if process == 'to_section':
process_description_list.append('[section]')
save_resistivity_dir = os.path.join(
resistivity_dir, '_'.join(process_description_list))
os.makedirs(save_resistivity_dir, exist_ok=True)
save_resistivity_dir_list.append(save_resistivity_dir)
# preprocess resistance
for i, (_, processes) in enumerate(preprocess_resistance.items()):
save_resistance_dir = save_resistance_dir_list.pop(0)
par = partial(_process_resistance,
save_resistance_dir=save_resistance_dir,
processes=processes,
to_float32=to_float32,
Tx_locations=Tx_locations,
Rx_locations=Rx_locations,
nCx=nCx,
nCy=nCy)
pool = mp.Pool(processes=mp.cpu_count(), maxtasksperchild=1)
for data in tqdm(
pool.imap_unordered(par, raw_resistance_list),
desc=f'Preprocess data and save to {save_resistance_dir}',
total=len(raw_resistance_list)):
pass
pool.close()
pool.join()
# Serial version
# for raw_resistance_pkl in raw_resistance_list:
# raw_resistance = read_pkl(raw_resistance_pkl)
# pkl_name = os.path.basename(raw_resistance_pkl)
# save_resistance_pkl = os.path.join(
# save_resistance_dir, pkl_name
# )
# for process, kwargs in processes.items():
# if process == 'add_noise':
# add_noise(raw_resistance, **kwargs)
# elif process == 'log_transform':
# log_transform(raw_resistance, **kwargs)
# elif process == 'to_midpoint':
# raw_resistance = to_midpoint(
# raw_resistance, Tx_locations, Rx_locations
# )
# elif process == 'to_txrx':
# raw_resistance = to_txrx(
# raw_resistance, Tx_locations, Rx_locations
# )
# if to_float32:
# raw_resistance = raw_resistance.astype('float32')
# write_pkl(raw_resistance, save_resistance_pkl)
# preprocess resistivity
for i, (_, processes) in enumerate(preprocess_resistivity.items()):
save_resistivity_dir = save_resistivity_dir_list.pop(0)
par = partial(_process_resistivity,
save_resistivity_dir=save_resistivity_dir,
processes=processes,
to_float32=to_float32,
nCx=nCx,
nCy=nCy)
pool = mp.Pool(processes=mp.cpu_count(), maxtasksperchild=1)
for data in tqdm(
pool.imap_unordered(par, raw_resistivity_list),
desc=f'Preprocess data and save to {save_resistivity_dir}',
total=len(raw_resistivity_list)):
pass
pool.close()
pool.join()
# for raw_resistivity_pkl in raw_resistivity_list:
# raw_resistivity = read_pkl(raw_resistivity_pkl)
# pkl_name = os.path.basename(raw_resistivity_pkl)
# save_resistivity_pkl = os.path.join(
# save_resistivity_dir, pkl_name
# )
# for process, kwargs in processes.items():
# if process == 'to_section':
# raw_resistivity = to_section(
# raw_resistivity, nCx, nCy
# )
# if to_float32:
# raw_resistivity = raw_resistivity.astype('float32')
# write_pkl(raw_resistivity, save_resistivity_pkl)
print("IF YOU WANT TO GET THE RAW resistivity_log10, YOU SHOULD USE" +
" `raw_resistivity_log10 = np.flipud(resistivity_log10).flatten()`")
from erinn.utils.io_utils import read_config_file, read_pkl
from erinn.utils.vis_utils import plot_result_synth
# TODO: Organize reusable code snippets into functions
FILEDIR = os.path.dirname(__file__)
# read config
config_file = os.path.join(FILEDIR, '..', '..', 'config', 'for_plot.yml')
config = read_config_file(config_file)
# parse config and setting
model_dir = os.path.join(FILEDIR, config['model_dir'])
save_figs_dir = os.path.join(config['save_figs_dir'])
predictions_dir = os.path.join(model_dir, 'predictions')
simulator_pkl = os.path.join(model_dir, 'simulator.pkl')
simulator = read_pkl(simulator_pkl)
num_figs = config["num_figs"]
if isinstance(num_figs, str):
if num_figs == 'all':
num_figs = np.inf # use np.inf to save all figures
else:
raise(ValueError('String input of "num_figs" only accepts "all"'))
elif not isinstance(num_figs, int):
raise(TypeError('Input of "num_figs" only accepts "str" and "int" types'))
os.makedirs(save_figs_dir, exist_ok=True)
iterator_pred = os.scandir(predictions_dir)
plot_result_synth(iterator_pred, num_figs, simulator, save_dir=save_figs_dir)
def plot_data(iterator, simulator, num_figs):
SRCLOC = simulator.urf.abmn_locations[:, :4]
RECLOC = simulator.urf.abmn_locations[:, 4:]
active_idx = simulator.active_idx
nCx = simulator.mesh.nCx
nCy = simulator.mesh.nCy
vectorCCx = simulator.mesh.vectorCCx
vectorCCy = simulator.mesh.vectorCCy
num_figs = 1 if num_figs < 1 else num_figs
i = 1
for file in iterator:
data = read_pkl(file.path)
print(data['resistance'].shape,
data['resistivity_log10'].shape)
resistance = data['resistance']
resistivity = data['resistivity_log10']
# plot resistance
# txrx version
fig, ax = plt.subplots(figsize=(16, 9))
im = ax.imshow(
to_txrx(
resistance,
SRCLOC,
RECLOC,
value=np.nan
)[:, :, 0],
origin='lower'
)
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
cbar = fig.colorbar(im, cax=cax)
ax.set_xlabel('Rx_pair')
ax.set_ylabel('Tx_pair')
cbar.set_label(r'$\Delta V/I$')
# midpoint version
fig, ax = plt.subplots(figsize=(4, 3))
im = ax.imshow(
to_midpoint(
resistance,
SRCLOC,
RECLOC,
value=np.nan
)[:, :, 0]
)
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
cbar = fig.colorbar(im, cax=cax)
ax.set_xlabel('common midpoint')
ax.set_ylabel('count')
cbar.set_label(r'$\Delta V/I$')
ax.set_aspect('auto', adjustable='box')
# plot resistivity
# imshow version
fig, ax = plt.subplots()
im = simulator.mesh.plotImage(resistivity[active_idx], ax=ax)
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
cbar = fig.colorbar(im[0], cax=cax)
ax.set_xlabel('m')
ax.set_ylabel('m')
cbar.set_label(r'$\Omega \bullet m (log_{10})$')
# contourf version
fig, ax = plt.subplots()
simulator.mesh.plotImage(resistivity[active_idx], ax=ax)
im = ax.contourf(vectorCCx, vectorCCy,
resistivity[active_idx].reshape((nCy, nCx)))
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
cbar = fig.colorbar(im, cax=cax)
ax.set_xlabel('m')
ax.set_ylabel('m')
cbar.set_label(r'$\Omega \bullet m (log_{10})$')
plt.show()
if i == num_figs:
break
else:
i += 1
'for_predict_resistivity.yml')
config = read_config_file(config_file)
# parse config and setting
custom_NN = config['custom_NN']
dataset_rootdir = os.path.join(FILEDIR, config['dataset_rootdir'])
testing_dir = os.path.join(dataset_rootdir, 'testing')
testing_resistance_dir = os.path.join(testing_dir, 'resistance',
config['resistance_dirname'])
testing_resistivity_dir = os.path.join(testing_dir, 'resistivity',
config['resistivity_dirname'])
raw_resistance_dir = os.path.join(testing_dir, 'resistance', "raw")
model_dir = config['model_dir']
simulator_pkl = os.path.join(FILEDIR, model_dir, 'simulator.pkl')
simulator = read_pkl(simulator_pkl)
weights_dir = os.path.join(FILEDIR, model_dir, 'weights')
trained_weights = os.path.join(FILEDIR, weights_dir, 'trained_weight.h5')
save_predictions_dir = os.path.join(FILEDIR, model_dir, 'predictions')
preprocess = config['preprocess']
gpus = config['num_gpu']
# Allowing GPU memory growth and set visible GPU
# References:
# https://www.tensorflow.org/guide/gpu
# https://qiita.com/studio_haneya/items/4dfaf2fb2ac44818e7e0
if tf.__version__.startswith('1.'):
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
session = tf.Session(config=config)
tf.keras.backend.set_session(session)
from numba import njit
from erinn.utils.io_utils import read_pkl
FILEDIR = os.path.dirname(__file__)
# %%
workdir = os.path.join(FILEDIR, '..', 'ERI', 'template-python', 'scripts',
'preprocessing')
os.chdir(workdir)
resistance_pkl = os.path.join('..', '..', 'data', 'trial1', 'training',
'resistance', 'raw', '000001.pkl')
simulator_pkl = os.path.join('..', '..', 'data', 'trial1', 'simulator.pkl')
resistance = read_pkl(resistance_pkl)
simulator = read_pkl(simulator_pkl)
abmn_id = simulator.urf.abmn_id
num_electrode = len(
np.unique(
np.hstack(
(simulator.urf.Tx_id.flatten(), simulator.urf.Rx_id.flatten()))))
# %%
# Index column is coresponding to A/M, B/N, space
Index = np.array(
sorted(list(combinations(np.arange(1, num_electrode + 1), 2)),
key=lambda ab: ab[1] - ab[0]))
Index = np.hstack((Index, np.expand_dims(Index[:, 1] - Index[:, 0], axis=1)))
# np.expand_dims(Index[:, 1] - Index[:, 0], axis=1) # Equivalent to x[:, np.newaxis]
def make_processed_dataset(config_file):
"""
Preprocess raw dataset and save it to processed directory.
Parameters
----------
config_file : str, pathlib.Path or dict
The path to the configured yaml file or the dictionary for configuration.
Returns
-------
None
"""
config = read_config_file(config_file)
raw_data_dir = config['raw_data_dir']
save_processed_data_dir = config['save_processed_data_dir']
preprocess = config['preprocess']
simulator_pkl = os.path.join(raw_data_dir, 'simulator.pkl')
save_simulator_pkl = os.path.join(save_processed_data_dir, 'simulator.pkl')
do_preprocess = any(value['perform']
for action, value in preprocess.items())
simulator = read_pkl(simulator_pkl)
# read nCx and nCy
nCx = simulator.mesh.nCx # number of cell center mesh in the x direction
nCy = simulator.mesh.nCy # number of cell center mesh in the z (y) direction
# read Tx_locations and Rx_locations
Tx_locations = simulator.urf.abmn_locations[:, :4]
Rx_locations = simulator.urf.abmn_locations[:, 4:]
# expand simulator.config and save it
simulator.config = {
'generate': simulator.config, # config for generate data
'preprocess': config # config for preprocess data
}
os.makedirs(save_processed_data_dir, exist_ok=True)
write_pkl(simulator, save_simulator_pkl)
if do_preprocess:
pattern_raw_pkl = re.compile('raw_data_\d{6}.pkl')
for root_dir, sub_dirs, files in os.walk(raw_data_dir):
# filter files list so the files list will contain pickle files that match the pattern
files = list(filter(pattern_raw_pkl.match, files))
# If the files list is empty, continue to the next iteration of the loop
if not files:
continue
# make sub directory
sub_dir_in_processed = re.sub(raw_data_dir,
save_processed_data_dir, root_dir)
os.makedirs(sub_dir_in_processed, exist_ok=True)
# Parallel version!
par = partial(_make_processed_dataset,
preprocess=preprocess,
root_dir=root_dir,
sub_dir_in_processed=sub_dir_in_processed,
Tx_locations=Tx_locations,
Rx_locations=Rx_locations,
nCx=nCx,
nCy=nCy)
pool = mp.Pool(processes=mp.cpu_count(), maxtasksperchild=1)
for data in tqdm(
pool.imap_unordered(par, files),
desc=f'Preprocess data and save to {sub_dir_in_processed}',
total=len(files)):
pass
pool.close()
pool.join()
# Serial version!
# for filename in files:
# pkl_name = os.path.join(root_dir, filename)
# data = read_pkl(pkl_name)
# # check if the data is dict and have "resistance" and "resistivity_log10" keys
# if (not isinstance(data, dict)
# or data.get('resistance') is None
# or data.get('resistivity_log10') is None):
# continue
# # preprocess
# for k, v in preprocess.items():
# if k == 'add_noise' and v.get('perform'):
# add_noise(data['resistance'], **v.get('kwargs'))
# elif k == 'log_transform' and v.get('perform'):
# log_transform(data['resistance'], **v.get('kwargs'))
# elif k == 'to_midpoint' and v.get('perform'):
# data['resistance'] = to_midpoint(
# data['resistance'], Tx_locations, Rx_locations
# )
# elif k == 'to_txrx' and v.get('perform'):
# data['resistance'] = to_txrx(
# data['resistance'], Tx_locations, Rx_locations
# )
# elif k == 'to_section' and v.get('perform'):
# data['resistivity_log10'] = to_section(
# data['resistivity_log10'], nCx, nCy
# )
# # save pickle in processed dir
# new_pkl_name = os.path.join(
# sub_dir_in_processed,
# re.sub(r'raw', r'processed', filename)
# )
# write_pkl(data, new_pkl_name)
# show information about input / target tensor shape
try:
print("The shape of resistance (shape of NN input data): " +
f"{data['resistance'].shape}")
print("The shape of resistivity (shape of NN target data): " +
f"{data['resistivity_log10'].shape}")
print(
"IF YOU WANT TO GET THE RAW resistivity_log10, YOU SHOULD USE"
+
" `raw_resistivity_log10 = np.flipud(resistivity_log10).flatten()`"
)
except NameError as err:
pass # no pickle files
