def is_suit_for_combine_set(self, before_point_set, after_point_set,
time_threshold, distance_threshold,
trajectory):
if len(trajectory.point_set) < 2:
return True
if not (before_point_set and after_point_set):
return False
time_gaps = after_point_set[0].utc - before_point_set[-1].utc
after_point_center = Utils.get_center_point(after_point_set)
before_point_center = Utils.get_center_point(before_point_set)
distance = Utils.calculate_distance_between_items(
before_point_center[1], after_point_center[1],
before_point_center[0], after_point_center[0])
return time_gaps < time_threshold and distance < distance_threshold
def export_route_center(self, rp_point_threshold,
rp_acceleration_threshold,
rp_avg_heading_threshold):
if self.save_route_point_set(rp_point_threshold,
rp_acceleration_threshold,
rp_avg_heading_threshold):
center_position = Utils.get_center_point(
[route_point[0] for route_point in self.route_point_set])
center_point = self.route_point_set[0][0]
center_point.update_position(center_position[0],
center_position[1])
self.route_saver.writerow([self.sp_index - 1, self.route_index] +
center_point.export_to_csv())
self.route_index += 1
def export_sp_center(self, sp_area, port_service, distance_threshold):
center_point = Utils.get_center_point(sp_area)
port = port_service.get_nearest_port(
arcpy.PointGeometry(arcpy.Point(center_point[0], center_point[1])),
distance_threshold)
if not port:
self.temp_still_point_info = []
return False
temp_still_point_info = self.temp_still_point_info
port_point = sp_area[0]
avg_draft = Utils.get_most_value(sp_area, 'draft')
port_point.update_position(port.get_x(), port.get_y())
port_point.draft = avg_draft
self.temp_still_point_info = port_point.export_to_csv() + [port.name]
if temp_still_point_info:
self.sp_saver.writerow([self.sp_index] + temp_still_point_info)
self.sp_saver.writerow([self.sp_index] +
self.temp_still_point_info)
self.sp_index += 1
return True
