Merge pull request #1602 from ablazejuk/patch-1

Validate that polygon has at least 3 vertices in geometry utils.py

Author: LinasKo

supervision/geometry/utils.py

@@ -16,6 +16,9 @@ def get_polygon_center(polygon: np.ndarray) -> Point:
         Point: The center of the polygon, represented as a
             Point object with x and y attributes.
 
+    Raises:
+        ValueError: If the polygon has no vertices.
+
     Examples:
         ```python
         import numpy as np
@@ -30,6 +33,9 @@ def get_polygon_center(polygon: np.ndarray) -> Point:
     # This is one of the 3 candidate algorithms considered for centroid calculation.
     # For a more detailed discussion, see PR #1084 and commit eb33176
 
+    if len(polygon) == 0:
+        raise ValueError("Polygon must have at least one vertex.")
+
     shift_polygon = np.roll(polygon, -1, axis=0)
     signed_areas = np.cross(polygon, shift_polygon) / 2
     if signed_areas.sum() == 0: