Datasets:
File size: 1,511 Bytes
2535e42 89c0dfe 2535e42 | 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 | import csv
import math
import os
from PIL import Image, ImageDraw
IMG_SIZE = 512
def draw_shape(draw, shape, cx, cy, size_ratio):
side = size_ratio * IMG_SIZE
if shape == "circle":
r = side / 2
draw.ellipse([cx - r, cy - r, cx + r, cy + r], fill=255)
elif shape == "square":
h = side / 2
draw.rectangle([cx - h, cy - h, cx + h, cy + h], fill=255)
elif shape == "equilateral triangle":
h = side * math.sqrt(3) / 2
pts = [
(cx, cy - h / 2), # apex
(cx - side / 2, cy + h / 2), # bottom-left
(cx + side / 2, cy + h / 2), # bottom-right
]
draw.polygon(pts, fill=255)
def generate_images(csv_file, output_dir):
with open(csv_file, "r", encoding="utf-8") as f:
rows = list(csv.DictReader(f))
os.makedirs(output_dir, exist_ok=True)
for row in rows:
id_val = row["id"].strip()
shape = row["shape"].strip()
cx = float(row["center_x"])
cy = float(row["center_y"])
size_ratio = float(row["size_ratio"])
img = Image.new("L", (IMG_SIZE, IMG_SIZE), 0)
draw = ImageDraw.Draw(img)
draw_shape(draw, shape, cx, cy, size_ratio)
img.save(os.path.join(output_dir, f"id_{id_val}.png"))
print(f"Done: {output_dir} ({len(rows)} images)")
if __name__ == "__main__":
generate_images(
"metadata/Task_Geometric_metadata.csv",
output_dir="data/Task_Geometric"
)
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