Initialize

egg.py

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+import cv2
+import numpy as np
+import math
+
+# === Parameters ===
+input_path = "input_image.png"    # replace with your image filename
+output_path = "radial_output.png"
+canvas_size = 1000                # output size (square)
+num_sections = 8                  # 8 radial triangles (45° each)
+
+# === Load and prepare image ===
+img = cv2.imread(input_path, cv2.IMREAD_UNCHANGED)
+img = cv2.resize(img, (canvas_size, canvas_size))
+
+# Convert to grayscale if needed
+if img.ndim == 3:
+    img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+else:
+    img_gray = img.copy()
+
+# === Create mask for one triangular wedge ===
+center = (canvas_size // 2, canvas_size // 2)
+radius = canvas_size // 2
+angle_step = 360 / num_sections
+angle1 = -angle_step / 2
+angle2 = angle_step / 2
+
+# Create polygon points for wedge
+pts = np.array([
+    center,
+    (int(center[0] + radius * math.cos(math.radians(angle1))),
+     int(center[1] + radius * math.sin(math.radians(angle1)))),
+    (int(center[0] + radius * math.cos(math.radians(angle2))),
+     int(center[1] + radius * math.sin(math.radians(angle2))))
+], np.int32)
+
+mask = np.zeros_like(img_gray)
+cv2.fillConvexPoly(mask, pts, 255)
+
+# === Extract the wedge from input image ===
+wedge = cv2.bitwise_and(img_gray, mask)
+
+# === Prepare output canvas ===
+output = np.zeros_like(img_gray)
+
+# === Paste rotated copies of the wedge into all sections ===
+for i in range(num_sections):
+    angle = i * angle_step
+    rot_mat = cv2.getRotationMatrix2D(center, angle, 1.0)
+    rotated = cv2.warpAffine(wedge, rot_mat, (canvas_size, canvas_size))
+    output = cv2.bitwise_or(output, rotated)
+
+# === Optional: enhance lines for visibility ===
+output = cv2.threshold(output, 10, 255, cv2.THRESH_BINARY)[1]
+
+# === Save result ===
+cv2.imwrite(output_path, output)
+
+print(f"✅ Radial design saved as {output_path}")