def run_dfs(map_path):
    g = graph_search.GridMap(map_path)
    res = graph_search.dfs(g.init_pos, g.transition, g.is_goal,
                           graph_search._ACTIONS)
    print("Path:    " + str(res[0]))
    print("Visited: " + str(res[1]))
    g.display_map(res[0], res[1])
def run_bfs(map_path):
    g = graph_search.GridMap(map_path)
    res = graph_search.bfs(g.init_pos, g.transition, g.is_goal,
                           graph_search._ACTIONS)
    #res = graph_search.bfs(g.init_pos, g.transition, g.is_goal, graph_search._ACTIONS_2)
    #actionset = res[0];
    print("Plan:    " + str(res[0]))
    print("Visited: " + str(res[1]))
    #print res;
    #g.display_map(res[0],res[1])
    y = len(res[0])
    res1 = g.init_pos
    list = []
    for x in range(0, y):
        i = 0
        actionset = res[0][i]
        i = +1
        res1 = g.bfs_simulator(res1,
                               res[0][x],
                               graph_search._ACTIONS,
                               action_probability=0.8,
                               neighbour_probability=0.1,
                               ortho_probability=0,
                               simulate=False)
        #res1 = g.bfs_simulator(res1, res[0][x], graph_search._ACTIONS_2, action_probability=0.8, neighbour_probability=0.1, ortho_probability=0.05, simulate=False)
        #res1= graph_search.GridMap.bfs_simulator()
        list.append(res1)
        #print res1;
    print(list)
    g.display_map(list, res[1])
Example #3
0
def run_astar(map_path):
    g = graph_search.GridMap(map_path)
    #res = graph_search.a_star_search(g.init_pos, g.transition, g.is_goal, graph_search._ACTIONS_2, g.uninformed_heuristic_euclidean)
    res = graph_search.a_star_search(g.init_pos, g.transition, g.is_goal,
                                     graph_search._ACTIONS_2,
                                     g.uninformed_heuristic_manhattan)
    print("Path:    " + str(res[0]))
    print("Visited: " + str(res[1]))
    g.display_map(res[0], res[1])
def run_value_iteration(map_path):
    start = time.time()
    g = graph_search.GridMap(map_path)
    actions_list = graph_search._ACTIONS
    #actions_list1 = graph_search._ACTIONS_2
    values = g.findValues(10, -1)
    result = g.value_iteration(0.8, values, actions_list, 0.8, 0.1, 0)
    #result = g.value_iteration(0.8, values, actions_list1, 0.8, 0.1, 0.0)
    print("run time: " + str(time.time() - start))
    print(result[0])
    print(result[1])
    g.display_values(result[0])
    g.display_policy(result[0], result[1])
def run_PI(map_path):
    start = time.time()
    g = graph_search.GridMap(map_path)
    actions_list = graph_search._ACTIONS
    #actions_list1 = graph_search._ACTIONS_2
    values = g.findValues(10, 0)
    policy = g.find_policy(actionset=actions_list, randomize=True)
    #policy = g.find_policy(actionset= actions_list1, randomize= True)
    result = g.PI(0.8, values, actions_list, 0.8, 0.1, 0.0, policy)
    #result = g.PI(0.8,values,actions_list1,0.8,0.1,0,policy)
    print("run time: " + str(time.time() - start))
    print(result[0])
    print(result[1])
    g.display_values(result[0])
    g.display_policy(result[0], result[1])
Example #6
0
import graph_search
g = graph_search.GridMap('./map0.txt')
file = open('output0.txt', 'a')
[[path, action_path],visited]=graph_search.dfs(g.init_pos , g.transition , g.is_goal, graph_search._ACTIONS)
file.write("BFS on map0: path        = "+str(path) + "\n")
file.write("BFS on map0: action_path = "+str(action_path) + "\n")
file.write("BFS on map0: visited     = "+str(visited) + "\n")
g.display_map(path,visited)
file.close()


import graph_search
g = graph_search.GridMap('./map1.txt')
file = open('output1.txt', 'a')
[[path, action_path],visited]=graph_search.dfs(g.init_pos , g.transition , g.is_goal, graph_search._ACTIONS)
file.write("BFS on map1: path        = "+str(path) + "\n")
file.write("BFS on map1: action_path = "+str(action_path) + "\n")
file.write("BFS on map2: visited     = "+str(visited) + "\n")
g.display_map(path,visited)
file.close()


import graph_search
g = graph_search.GridMap('./map2.txt')
file = open('output2.txt', 'a')
[[path, action_path],visited]=graph_search.dfs(g.init_pos , g.transition , g.is_goal, graph_search._ACTIONS)
file.write("BFS on map2: path        = "+str(path) + "\n")
file.write("BFS on map2: action_path = "+str(action_path) + "\n")
file.write("BFS on map2: visited     = "+str(visited) + "\n")
g.display_map(path,visited)
file.close()
    s = sim.Sim()
    s.sim_connect()
    s.sim_start()
    s.sim_get_handles()
    
    #If using V_REP, start second thread for rover control 
    if not _SANS_V_REP:
        #Start the interface thread to send frame instructions
        try:
            thread.start_new_thread( s.sim_drive_rover, ())
        except:
            print "Error: unable to start thread"

    #Load terrain image file and compute slope map
    print "Loading", cmn._map_file
    g = graph_search.GridMap(s, cmn._map_file)
    g.calcRatesOfChange(n=3, ret=False,dbg=False)

    #Create plotes for each action direction and save to disk
    cmap = cm.Spectral;
    cmap.set_bad(color='k')
    cmn.createArrImg(g.height_map, cmap=cmap, plotTitle='Height Map', fn=os.path.join(cmn._IMG_FLDR, 'heightmap.svg'),
                     show=False)
    for a in cmn._actions:
        cmn.createArrImg(g.rates[0][a], cmap=cmap, plotTitle='Rate Map: {}'.format(a),
                         fn=os.path.join(cmn._IMG_FLDR, 'ratemap_{}.svg'.format(a)), show=False)
        cmn.overlayArrImgs(arr1=g.height_map, arr2=g.rates[0][a], plotTitle='Overlayed Rate Map: {}'.format(a),
                           fn=os.path.join(cmn._IMG_FLDR, 'ratemap_ovr_{}.svg'.format(a)), show=False)

    rover_pos = s.sim_get_xy(s.rover_handle)
    changed_rover_pos = cmn.convert_VREPXY(rover_pos)
Example #8
0
def run_dfs(map_path):
    g = graph_search.GridMap(map_path)
    res = graph_search.dfs(g.init_pos, g.transition, g.is_goal,
                           graph_search._ACTIONS)
    g.display_map(res[0][0], res[1])