File size: 3,141 Bytes
a98fc5a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | #!/usr/bin/env python3
import os
import matplotlib.pyplot as plt
import matplotlib.image as mpimg
from pathlib import Path
import numpy as np
def save_images_grid(image_dir, output_dir="grid_outputs", images_per_page=100, grid_size=(10, 10)):
"""
Save images in a grid format, 100 images per page (10x10)
"""
image_dir = Path(image_dir)
output_dir = Path(output_dir)
# Create output directory if it doesn't exist
output_dir.mkdir(exist_ok=True)
# Get all PNG files and sort them
image_files = sorted(list(image_dir.glob('*.png')))
if not image_files:
print(f"No PNG files found in {image_dir}")
return
total_images = len(image_files)
print(f"Found {total_images} images")
print(f"Saving grid images to {output_dir}/")
# Calculate number of pages
num_pages = (total_images + images_per_page - 1) // images_per_page
for page_num in range(num_pages):
# Calculate start and end indices for this page
start_idx = page_num * images_per_page
end_idx = min(start_idx + images_per_page, total_images)
page_images = image_files[start_idx:end_idx]
# Create figure with subplots - larger figure size for better quality
fig, axes = plt.subplots(grid_size[0], grid_size[1], figsize=(30, 30), dpi=100)
# Flatten axes array for easier iteration
axes_flat = axes.flatten()
# Display each image
for idx, (ax, img_path) in enumerate(zip(axes_flat, page_images)):
try:
img = mpimg.imread(img_path)
ax.imshow(img)
# Extract filename without path for title
filename = img_path.name
# Show full filename
ax.set_title(filename, fontsize=10, pad=3)
ax.axis('off')
except Exception as e:
print(f"Error loading {img_path}: {e}")
ax.axis('off')
# Hide remaining empty subplots
for idx in range(len(page_images), images_per_page):
axes_flat[idx].axis('off')
# Set overall title
fig.suptitle(f'Page {page_num + 1}/{num_pages} (Images {start_idx + 1}-{end_idx}/{total_images})',
fontsize=20, fontweight='bold')
# Adjust layout to prevent overlap
plt.tight_layout(rect=[0, 0, 1, 0.98])
# Save the figure
output_filename = output_dir / f'grid_page_{page_num + 1:03d}.png'
plt.savefig(output_filename, dpi=100, bbox_inches='tight')
plt.close(fig) # Close to free memory
print(f"Saved page {page_num + 1}/{num_pages} to {output_filename}")
print(f"\nAll grid images saved to {output_dir}/")
print(f"You can view them with: ls {output_dir}/*.png")
if __name__ == "__main__":
# Directory containing the images
image_directory = "min_max_segments"
# Save images in 10x10 grid, 100 per page
save_images_grid(image_directory, output_dir="grid_outputs", images_per_page=100, grid_size=(10, 10)) |