angle_ll角度线线angle_lx角度线水平apply_distance_transform_xld近似链area_intersection_rectangle2面积交集矩形2clear_distance_transform_xld清除距离变换扩展线描述create_distance_transform_xld创建距离变换扩展线描述deserialize_distance_transform_xld反序列化距离变换扩展线描述distance_cc距离轮廓轮廓distance_cc_min距离轮廓轮廓最小distance_cc_min_points离轮廓轮廓最小点distance_contours_xld距离轮廓扩展线描述distance_lc距离线轮廓distance_lr距离线区域distance_pc距离点轮廓distance_plPl距离点线distance_point_line距离点线distance_point_pluecker_line距离点普吕克线distance_pp距离点点distance_pr距离点区域distance_ps距离点线段distance_rr_min距离区域区域最小distance_rr_min_dil距离区域区域最小膨胀distance_sc距离线段轮廓distance_sl距离线段线distance_sr距离线段区域distance_ss距离线段线段get_distance_transform_xld_contour获取距离变换扩展线描述轮廓get_distance_transform_xld_param获取距离变换扩展线描述参数get_points_ellipse获取点椭圆intersection_circle_contour_xld交集圆轮廓扩展线描述intersection_circles交集圆intersection_contours_xld交集轮廓扩展线描述intersection_line_circle交集线圆intersection_line_contour_xld交集线轮廓扩展线描述intersection_lines交集线intersection_segment_circle交集线段圆intersection_segment_contour_xld交集线段轮廓扩展线描述intersection_segment_line交集线段线intersection_segments交集线段pluecker_line_to_point_direction普吕克线至点方向pluecker_line_to_points普吕克线至点point_direction_to_pluecker_linepoints_to_pluecker_line点至普吕克线projection_pl投影点线read_distance_transform_xld读取距离变换扩展线描述serialize_distance_transform_xld序列化距离变换扩展线描述set_distance_transform_xld_param设置距离变换扩展线描述参数write_distance_transform_xld写入距离变换扩展线描述