Fixed floating window with deque list

sumo_project/actions.py

@@ -13,14 +13,19 @@ from model import Area, Vehicle
 
 
 def compute_edge_weight(edge_id):
-    return (traci.edge.getCOEmission(edge_id)
-            + traci.edge.getNOxEmission(edge_id)
-            + traci.edge.getHCEmission(edge_id)
-            + traci.edge.getPMxEmission(edge_id)
-            + traci.edge.getCO2Emission(edge_id))/(traci.edge.getLaneNumber(edge_id))
     
-def adjust_edges_weights():     
+    co2 = traci.edge.getCO2Emission(edge_id)
-    for edge_id in traci.edge.getIDList():
+    co = traci.edge.getCOEmission(edge_id)
+    nox = traci.edge.getNOxEmission(edge_id)
+    hc = traci.edge.getHCEmission(edge_id)
+    pmx = traci.edge.getPMxEmission(edge_id)
+    
+    return (co2 + co + nox + hc + pmx)/traci.edge.getLaneNumber(edge_id)
+            
+def adjust_edges_weights(area): 
+    area.weight_adjusted = True    
+    for lane in area._lanes:
+        edge_id = traci.lane.getEdgeID(lane.lane_id)
         weight = compute_edge_weight(edge_id)  # by default edges weight = length/mean speed
         traci.edge.setEffort(edge_id, weight)
         

sumo_project/emissions.py

@@ -13,7 +13,7 @@ from config import Config
 from model import Area, Vehicle, Lane , TrafficLight , Phase , Logic
 
 
-def init_grid(simulation_bounds, areas_number):
+def init_grid(simulation_bounds, areas_number,window_size):
     grid = list()
     width = simulation_bounds[1][0] / areas_number
     height = simulation_bounds[1][1] / areas_number
@@ -22,10 +22,10 @@ def init_grid(simulation_bounds, areas_number):
             # bounds coordinates for the area : (xmin, ymin, xmax, ymax)
             ar_bounds = ((i * width, j * height), (i * width, (j + 1) * height),
                          ((i + 1) * width, (j + 1) * height), ((i + 1) * width, j * height))
-            area = Area(ar_bounds)
+            name = 'Area ({},{})'.format(i, j)
-            area.name = 'Area ({},{})'.format(i, j)
+            area = Area(ar_bounds, name, window_size)
             grid.append(area)
-            traci.polygon.add(area.name, ar_bounds, (0, 255, 0))
+            traci.polygon.add(area.name, ar_bounds, (255, 0, 0))
     return grid
 
 
@@ -108,11 +108,14 @@ def get_emissions(grid: List[Area], vehicles: List[Vehicle], current_step, confi
                     logger.info(f'Action - {area.name} blocked')
                     actions.lock_area(area)
                     
-            traci.polygon.setColor(area.name, (255, 0, 0))
+            if config.weight_routing_mode and not area.weight_adjusted:
+                actions.adjust_edges_weights(area)
+            
             traci.polygon.setFilled(area.name, True)
         
         else:
             actions.reverse_actions(area)
+            traci.polygon.setFilled(area.name, False)
 
 
 def run(config, logger):
@@ -123,25 +126,23 @@ def run(config, logger):
         logger.info('Loading data for the simulation')
         start = time.perf_counter()
        
-        grid = init_grid(traci.simulation.getNetBoundary(), config.areas_number)
+        grid = init_grid(traci.simulation.getNetBoundary(), config.areas_number, config.window_size)
         add_data_to_areas(grid)
         
         loading_time = round(time.perf_counter() - start, 2)
         logger.info(f'Data loaded ({loading_time}s)')
         
-        logger.info('Start of the simulation')
+        logger.info('Simulation started...')
         step = 0 
         while step < config.n_steps :  # traci.simulation.getMinExpectedNumber() > 0:
             traci.simulationStep()
             
             vehicles = get_all_vehicles()
             get_emissions(grid, vehicles, step, config, logger)
-
-            if config.weight_routing_mode:
-                actions.adjust_edges_weights()
-
             step += 1
             
+            print(f'step = {step}/{config.n_steps}', end='\r')
+            
     finally:
         traci.close(False)
         simulation_time = round(time.perf_counter() - start, 2)
@@ -159,32 +160,44 @@ def run(config, logger):
                 diff_with_actions = (ref - total_emissions) / ref    
                 logger.info(f'Reduction percentage of emissions = {diff_with_actions*100} %')
 
+def add_options(parser):
+    parser.add_argument("-f", "--configfile", type=str, default='configs/default_config.json', required=False,
+                        help='Choose your configuration file from your working directory')
+    parser.add_argument("-save", "--save", action="store_true", 
+                        help = 'Save the logs into the logs folder')
+    parser.add_argument("-steps", "--steps", type= int, default= 200, required = False, 
+                        help='Choose the simulated time (in seconds)') 
+    parser.add_argument("-ref", "--ref", action="store_true", 
+                        help='Launch a reference simulation (without acting on areas)')
+    parser.add_argument("-gui", "--gui", action ="store_true",
+                        help= "Set GUI mode")
     
 def main(args):
+    
     parser = argparse.ArgumentParser(description="")
-    parser.add_argument("-f", "--configfile", type=str, default='configs/default_config.json', required=False)
+    add_options(parser)
-    parser.add_argument("-save", "--save", action="store_true")
-    parser.add_argument("-ref", "--ref", action="store_true")
     args = parser.parse_args(args)
     
-    # > py ./emissions.py -f configs/config1.json -save
-    # will load the configuration file "config1.json" and save logs into the logs directory 
-    
-    # > py ./emissions.py -f configs/config1.json -save -ref & py ./emissions.py -f configs/config1.json -save
-    # same as above but also launches a reference simulation by using -ref option 
-    
     config = Config()
     config.import_config_file(args.configfile)
     config.init_traci()
     logger = config.init_logger(save_logs=args.save)
+    
     if args.ref: 
         config.without_actions_mode = True
-        config.check_config()
         logger.info(f'Reference simulation')
+    
+    if args.steps: 
+        config.n_steps = args.steps 
+        
+    if args.gui:
+        config._SUMOCMD = "sumo-gui"
+        
+    config.check_config()
+    
     logger.info(f'Loaded configuration file : {args.configfile}')
-    
+    logger.info(f'Simulated time : {args.steps}')
     run(config, logger)
 
-            
 if __name__ == '__main__':
     main(sys.argv[1:])

sumo_project/model.py

@@ -5,6 +5,8 @@ from shapely.geometry import Point, LineString
 from shapely.geometry import Polygon
 from shapely.geometry.base import BaseGeometry
 
+import collections 
+
 
 class Lane:
 
@@ -45,13 +47,15 @@ class TrafficLight:
     
 class Area:
 
-    def __init__(self, coords, name=''):
+    def __init__(self, coords, name, window_size):
         self.limited_speed = False
         self.locked = False
         self.tls_adjusted = False
+        self.weight_adjusted = False
         self.rectangle = Polygon(coords)
         self.name = name
         self.emissions_by_step = []
+        self.window = collections.deque(maxlen = window_size)
         self._lanes: Set[Lane] = set()
         self._tls: Set[TrafficLight] = set() 
 
@@ -84,10 +88,11 @@ class Area:
         return sum 
     
     def sum_emissions_into_window(self, current_step, window_size): 
+       
+        self.window.appendleft(self.emissions_by_step[current_step])
         sum = 0
-        q = current_step // window_size #Returns the integral part of the quotient
+        for i in range(self.window.__len__()):
-        for i in range(q*window_size, current_step):
+            sum += self.window[i]
-            sum += self.emissions_by_step[i]
         return sum
 
     @classmethod