from PIL import Image

img = Image.open('/home/enne2/dev/mice/tools/lpc_extract/bushes.png').convert('RGBA')
pixels = img.load()

print("Top edge transition:")
for y in range(0, 48):
    if pixels[48, y][3] > 0:
        print(f"y={y}: {pixels[48, y]}")

print("\nBottom edge transition:")
for y in range(95, 48, -1):
    if pixels[48, y][3] > 0:
        print(f"y={y}: {pixels[48, y]}")