uilit.py

from init import *
import numpy as np 
import pandas as pd
import matplotlib.pyplot as plt
import os
from PIL import Image

import matplotlib.animation as animation
from matplotlib.animation import FuncAnimation
from IPython.display import clear_output
from autograd.core.engine import Value
from sklearn.datasets import make_moons, make_blobs
import plotly.graph_objects as go
import plotly.io as pio
import imageio

clear_output()

# Iterate through the first 6 images

def extract_path_df(path_dir, index_show):
    path_file = []

    for filesname in os.listdir(path_dir):
        path_file.append(os.path.join(path_dir,filesname))

    for data_df in range(0,len(path_file)):
        data_frame = pd.read_csv(path_file[data_df])
        show_df = data_frame.head(index_show)
    return path_file , f"dataframe: {show_df}"

def loading_df_to_numpy(path_file):
    data_df = pd.read_csv(path_file)
    data = np.array(data_df) 
    m, n = data.shape
    data_train = data[1000:m].T
    Y_train = data_train[0][40900:]
    X_train = data_train[1:n][:, 40900:]


    # Manually split the data into training and testing sets
    split_index = int(X_train.shape[0] * 0.8)  # 80% for training, 20% for testing
    X_train_split = X_train[:, :10]
    Y_train_split = Y_train[:10]
    X_test_split = X_train[:,:5]
    Y_test_split = Y_train[:5]

    return X_train_split, X_test_split, Y_train_split, Y_test_split

def initialize_data(n_samples: int, noise: float):
    input_data, Target = make_moons(n_samples=n_samples, noise=noise)

    Target = Target * 2 - 1  # make y be -1 or 14
    # fig.close()
    return input_data, Target


def plot_sample(DATA_TRAIN,DATA_LABEL):
    num_images = min(6, DATA_TRAIN.shape[1])
    fig, axs = plt.subplots(2, 3, figsize=(10, 7))

    for i in range(num_images):
        label = DATA_LABEL
        image = DATA_TRAIN[:, i]
        current_image = image.reshape(28, 28) * 255

        # Determine the subplot coordinates
        row = i // 3
        col = i % 3

    # Plot the image in the corresponding subplot
        axs[row, col].imshow(current_image, cmap='gray')
        axs[row, col].set_title("Label: {}".format(label))
        axs[row, col].axis('off')

    plt.tight_layout()
    plt.savefig("sample.png")

def copy(model):
  model = SparseMLP(nin=2, nouts=[16, 16, 1], sparsities=[0.,0.9,0.8])
  model.parameters()
  return model

def Zvals(model , X_train):
  global X
  h = 0.25
  x_min, x_max = X_train[:, 0].min() - 1, X_train[:, 0].max() + 1
  y_min, y_max = X_train[:, 1].min() - 1, X_train[:, 1].max() + 1
  xx, yy = np.meshgrid(np.arange(x_min, x_max, h),
                      np.arange(y_min, y_max, h))
  Xmesh = np.c_[xx.ravel(), yy.ravel()]
  inputs = [list(map(Value, xrow)) for xrow in Xmesh]
  scores = list(map(model, inputs))
  Z = np.array([s.data > 0 for s in scores])
  Z = Z.reshape(xx.shape)
  return Z


def dboundary(model):
  global X
  global Y
  h = 0.25
  x_min, x_max = X[:, 0].min() - 1, X[:, 0].max() + 1
  y_min, y_max = X[:, 1].min() - 1, X[:, 1].max() + 1
  xx, yy = np.meshgrid(np.arange(x_min, x_max, h),
                      np.arange(y_min, y_max, h))
  Xmesh = np.c_[xx.ravel(), yy.ravel()]
  fig, ax = plt.subplots(figsize=(8,8))
  Z = Zvals(model)
  ln = ax.contourf(xx, yy, Z, cmap=plt.cm.Spectral, alpha=0.8)
  ax.scatter(X[:, 0], X[:, 1], c=Y, s=40, cmap=plt.cm.Spectral)
  ax.set_xlim(xx.min(), xx.max())
  ax.set_ylim(yy.min(), yy.max())
  return  fig,ax,ln

def graph_trace(Path, nframes, interval):
    animation_frames = []
    # Load the first image to get its dimensions and color mode
    first_frame_path = f"assets/{Path}_0.png"
    first_image = Image.open(first_frame_path)
    width, height = first_image.size
    color_mode = first_image.mode

    # Resize and convert all the images to the same dimensions and color mode
    resized_width = 900  # Set your desired width
    resized_height = 700  # Set your desired height

    for i in range(nframes):
        frame_path = f"assets/{Path}_{i}.png"
        image = Image.open(frame_path)
        resized_image = image.resize((resized_width, resized_height)).convert(color_mode)
        animation_frames.append(resized_image)

    animation_path = "out/Graph.mp4"
    imageio.mimsave(animation_path, animation_frames, format="mp4")