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DTN

Usage

python DataGenerator.py
       --width          # width of the region, default = 15000
       --height         # height of the region, default = 15000
       --routes_num     # number of routes, default = 5
       --cars_num       # number of cars, default = 15
       --base_speed     # explain below, default = 10
       --speed_noise    # explain below, default = 1
       --stage_num      # number of stages, default = 3
       --stage_time     # time of each stage, default = 1800
       --drawOnlyRoutes # draw the pic only with current routes or not, default = False
       --reassign       # re-assign the route to each car after each stage or not, default = True
       --speedwNoise    # set different speed for different blocks, default = True

Current settings

Block

789
456
123

將現有區域平均切割成九個區塊,編號規則如上,在參數 speedwNoise 設定為 True 的情況下,
各區塊的速度如下:
區塊 1, 3, 7, 9: base_speed + speed_noise
區塊 2, 4, 6, 8: base_speed
區塊 5: base_speed - speed_noise

Stage

每一階段結束後,假使 reassign 為 True,每台車輛將會被分配到不同的路線。
速度會在 9 - 11 之間隨機選擇一個速度,noise 會在 0 - 2 之間隨機選擇。
(TODO: 速度將在 base_speed-x ~ base_speed+x 之間隨機選擇)

Route

會在 9 個 block 當中隨機選擇 routes_num 個 block (Not sure what will happen if routes_num > 9)
在每個 block 的中心附近選擇一個點作為該條路線的左下角(x0,y0),其他座標順時鐘旋轉依序為 (x1, y1), (x2, y2), (x3, y3)
路線的長寬也會隨機生成,假使超過邊界,就以到邊界的距離做為長寬。
初始路線時會隨機決定順時針或逆時針旋轉,所有在此路線上的車輛都會依此去跑。

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