将多边形转换为边界框数组

from shapely.geometry import Polygon

def polygon_to_bounding_boxes(polygon_list):
    bounding_boxes = []
    for polygon in polygon_list:
        # 创建Shapely多边形对象
        shapely_polygon = Polygon(polygon)
        # 获取边界框
        minx, miny, maxx, maxy = shapely_polygon.bounds
        bounding_boxes.append((minx, miny, maxx, maxy))
    return bounding_boxes

# 示例多边形列表
polygons = [
    [(0, 0), (0, 1), (1, 1), (1, 0)],
    [(2, 2), (2, 3), (3, 3), (3, 2)]
]

# 转换为边界框数组
bounding_boxes = polygon_to_bounding_boxes(polygons)
print(bounding_boxes)  # 输出: [(0.0, 0.0, 1.0, 1.0), (2.0, 2.0, 3.0, 3.0)]

from shapely.validation import explain_validity

def fix_self_intersecting_polygon(polygon):
    shapely_polygon = Polygon(polygon)
    if not shapely_polygon.is_valid:
        print(f"Invalid polygon: {explain_validity(shapely_polygon)}")
        # 尝试修复多边形
        shapely_polygon = shapely_polygon.buffer(0)
    return shapely_polygon

# 示例自相交多边形
self_intersecting_polygon = [(0, 0), (1, 1), (1, 0), (0, 1)]
fixed_polygon = fix_self_intersecting_polygon(self_intersecting_polygon)
print(fixed_polygon.bounds)  # 输出修复后的边界框