from shapely.geometry import Polygon


class SimplifyPoints:
    def __init__(self):
        # tolerance 参数就是 RDP 算法的阈值（epsilon）
        # 它决定了简化的程度，单位与你的坐标单位相同。
        self.tolerance_small = 0.8

    def simplify_points(self, points):
        original_polygon = Polygon(points)
        simplified_polygon_small = original_polygon.simplify(self.tolerance_small, preserve_topology=True)
        points_small = list(simplified_polygon_small.exterior.coords)

        return points_small