keras_g3_cae_identity.py

# first neural network with keras tutorial
from ossaudiodev import SOUND_MIXER_BASS
import sys, os
print(os.path.dirname(sys.executable))

import pickle
import time
import os
from sys import platform

import numpy as np
import matplotlib.pyplot as plt
from geant3_parser import Geant3DataFile
from geant3_parser import build_train_set

from keras.models import Sequential
from keras.layers import Dense, MaxPooling2D, Conv2D, UpSampling2D, Cropping2D, Input, Conv2DTranspose


file_name = os.path.join('data', 'shower_geant3_new.dat')


# file_name = 'sample_data.txt'
data_file = Geant3DataFile(file_name, skip_lines=3)

# split into input (X) and output (y) variables
parse_start = time.time()
print(f"Start preparing events...")

add_real_xy = False
inputs, true_e, sum_e = build_train_set(data_file, 400000, add_real_xy=add_real_xy, normalize=True)
parse_end = time.time()
inputs = inputs[:,2:]
print(f"Inputs shape original = {np.shape(inputs)}")
print(f"Total events prepare time = {parse_end - parse_start}")
print(f"max hit value = {np.max(inputs)}")
print(f"max e = {np.max(true_e)}")


inputs = np.reshape(inputs, (len(inputs), 11, 11, 1))  # -1 => autodetermine

# Pad with 1 row and column of zeroes, so it divides by 2
inputs = np.pad(inputs, ((0,0), (0,1), (0,1), (0,0)), mode='constant', constant_values=0)
print(f"Inputs shape new = {np.shape(inputs)}")

# Prints 11x11 cells event
def print_event(table):
    if not len(table):
        print("EMPTY TABLE")
        return
    
    split_line = ""
    for irow, row in enumerate(table):
        if irow == 0:
            # First row => making title
            
            col_names = "ROW   " +  " ".join([f"{column_num:<5}" for column_num in range(len(row))])
            spaces = int((len(col_names) - len("COLUMNS"))/2)
            header = "{0}COLUMNS{0}".format(spaces*" ")
            split_line = "-"*len(col_names)
            print()            
            print(header)
            print(col_names)
            print(split_line)
        cells = f"{irow:<4}| " + " ".join([f"{cell[0]*11:<5.2}" for cell in row])
        print(cells)

    # Footer
    print(split_line)

print_event(inputs[0])
e = 0
for i, c in enumerate(inputs[0]):
    for j, val in enumerate(c):
            e += val
print(e)


print_event(inputs[0])
e = 0
for i, c in enumerate(inputs[0]):
    for j, val in enumerate(c):
            e += val
print(e)

model = Sequential()
model.add(Input(shape=(12, 12, 1)))
model.add(Conv2D(32, kernel_size=(3, 3), activation='relu', kernel_initializer='he_normal'))
model.add(Conv2D(16, kernel_size=(3, 3), activation='relu', kernel_initializer='he_normal'))
model.add(Conv2D(6, kernel_size=(3, 3), activation='relu', kernel_initializer='he_normal'))
model.add(Conv2DTranspose(6, kernel_size=(3,3), activation='relu', kernel_initializer='he_normal'))
model.add(Conv2DTranspose(16, kernel_size=(3,3), activation='relu', kernel_initializer='he_normal'))
model.add(Conv2DTranspose(32, kernel_size=(3,3), activation='relu', kernel_initializer='he_normal'))
model.add(Conv2D(1, kernel_size=(3, 3), activation='sigmoid', padding='same'))
model.summary()



model.compile(optimizer='adam', loss='binary_crossentropy', metrics=['acc', 'mse', 'mae'])
# output layer
#model.compile(loss='mean_squared_error', optimizer='adam', metrics=['acc', 'mse', 'mae'])
#model.compile(optimizer= 'adam', loss = 'binary_crossentropy')
history = model.fit(inputs, inputs,
                epochs=25,
                batch_size=32,
                validation_split=0.2)


# compile the keras model

# model.compile(loss='binary_crossentropy', optimizer='nadam', metrics=['acc', 'mse', 'mae'])

# fit the keras model on the dataset
#history = model.fit(inputs, inputs, validation_split=0.05, epochs=20, batch_size=32, verbose=1)

# Save everything
name = "g3__with_xy" if add_real_xy else "g3_autoencoder_conv_no_xy"

# Saving history
with open(name + "-history.pickle", 'wb') as file_pi:
    pickle.dump(history.history, file_pi)

# Saving the model
model.save(name + ".hd5")

print(history.history)

try:
    plt.plot(history.history['loss'])
    plt.show()
    plt.plot(history.history['acc'])
    plt.show()
    plt.plot(history.history['mse'])
    plt.show()
    plt.plot(history.history['mae'])
    plt.show()
    # plt.plot(history.history['cosine'])
    #plt.show()
except Exception as ex:
    print("(!) Error building plots ", ex)