本文整理汇总了Python中mesa.space.SingleGrid.exists_empty_cells方法的典型用法代码示例。如果您正苦于以下问题：Python SingleGrid.exists_empty_cells方法的具体用法？Python SingleGrid.exists_empty_cells怎么用？Python SingleGrid.exists_empty_cells使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mesa.space.SingleGrid的用法示例。
在下文中一共展示了SingleGrid.exists_empty_cells方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Foraging
# 需要导入模块: from mesa.space import SingleGrid [as 别名]
# 或者: from mesa.space.SingleGrid import exists_empty_cells [as 别名]
class Foraging(Model):
number_of_bean = 0
number_of_corn = 0
number_of_soy = 0
def __init__(self, width=50, height=50, torus=True, num_bug=50, seed=42, strategy=None):
super().__init__(seed=seed)
self.number_of_bug = num_bug
if not(strategy in ["stick", "switch"]):
raise TypeError("'strategy' must be one of {stick, switch}")
self.strategy = strategy
self.grid = SingleGrid(width, height, torus)
self.schedule = RandomActivation(self)
data = {"Bean": lambda m: m.number_of_bean,
"Corn": lambda m: m.number_of_corn,
"Soy": lambda m: m.number_of_soy,
"Bug": lambda m: m.number_of_bug,
}
self.datacollector = DataCollector(data)
# create foods
self._populate(Bean)
self._populate(Corn)
self._populate(Soy)
# create bugs
for i in range(self.number_of_bug):
pos = self.grid.find_empty()
bug = Bug(i, self)
bug.strategy = self.strategy
self.grid.place_agent(bug, pos)
self.schedule.add(bug)
def step(self):
self.schedule.step()
self.datacollector.collect(self)
if not(self.grid.exists_empty_cells()):
self.running = False
def _populate(self, food_type):
prefix = "number_of_{}"
counter = 0
while counter < food_type.density * (self.grid.width * self.grid.height):
pos = self.grid.find_empty()
food = food_type(counter, self)
self.grid.place_agent(food, pos)
self.schedule.add(food)
food_name = food_type.__name__.lower()
attr_name = prefix.format(food_name)
val = getattr(self, attr_name)
val += 1
setattr(self, attr_name, val)
counter += 1示例2: SeparationBarrierModel
# 需要导入模块: from mesa.space import SingleGrid [as 别名]
# 或者: from mesa.space.SingleGrid import exists_empty_cells [as 别名]
class SeparationBarrierModel(Model):
def __init__(self, height, width, palestinian_density, settlement_density,
settlers_violence_rate, settlers_growth_rate, suicide_rate, greed_level,
settler_vision=1, palestinian_vision=1,
movement=True, max_iters=1000):
super(SeparationBarrierModel, self).__init__()
self.height = height
self.width = width
self.palestinian_density = palestinian_density
self.settler_vision = settler_vision
self.palestinian_vision = palestinian_vision
self.settlement_density = settlement_density
self.movement = movement
self.running = True
self.max_iters = max_iters
self.iteration = 0
self.schedule = RandomActivation(self)
self.settlers_violence_rate = settlers_violence_rate
self.settlers_growth_rate = settlers_growth_rate
self.suicide_rate = suicide_rate
self.greed_level = greed_level
self.total_violence = 0
self.grid = SingleGrid(height, width, torus=False)
model_reporters = {
}
agent_reporters = {
# "x": lambda a: a.pos[0],
# "y": lambda a: a.pos[1],
}
self.dc = DataCollector(model_reporters=model_reporters,
agent_reporters=agent_reporters)
self.unique_id = 0
# Israelis and palestinans split the region in half
for (contents, x, y) in self.grid.coord_iter():
if random.random() < self.palestinian_density:
palestinian = Palestinian(self.unique_id, (x, y), vision=self.palestinian_vision, breed="Palestinian",
model=self)
self.unique_id += 1
self.grid.position_agent(palestinian, x,y)
self.schedule.add(palestinian)
elif ((y > (self.grid.height) * (1-self.settlement_density)) and random.random() < self.settlement_density):
settler = Settler(self.unique_id, (x, y),
vision=self.settler_vision, model=self, breed="Settler")
self.unique_id += 1
self.grid.position_agent(settler, x,y)
self.schedule.add(settler)
def add_settler(self, pos):
settler = Settler(self.unique_id, pos,
vision=self.settler_vision, model=self, breed="Settler")
self.unique_id += 1
self.grid.position_agent(settler, pos[0], pos[1])
self.schedule.add(settler)
def set_barrier(self,victim_pos, violent_pos):
#print("Set barrier - Greed level", self.greed_level)
visible_spots = self.grid.get_neighborhood(victim_pos,
moore=True, radius=self.greed_level + 1)
furthest_empty = self.find_furthest_empty_or_palestinian(victim_pos, visible_spots)
x,y = furthest_empty
current = self.grid[y][x]
#print ("Set barrier!!", pos, current)
free = True
if (current is not None and current.breed == "Palestinian"):
#print ("Relocating Palestinian")
free = self.relocate_palestinian(current, current.pos)
if (free):
barrier = Barrier(-1, furthest_empty, model=self)
self.grid.position_agent(barrier, x,y)
# Relocate the violent palestinian
#violent_x, violent_y = violent_pos
#if violent_pos != furthest_empty:
# violent_palestinian = self.grid[violent_y][violent_x]
# self.relocate_palestinian(violent_palestinian, furthest_empty)
def relocate_palestinian(self, palestinian, destination):
#print ("Relocating Palestinian in ", palestinian.pos, "To somehwhere near ", destination)
visible_spots = self.grid.get_neighborhood(destination,
moore=True, radius=palestinian.vision)
nearest_empty = self.find_nearest_empty(destination, visible_spots)
#print("First Nearest empty to ", palestinian.pos, " Is ", nearest_empty)
if (nearest_empty):
self.grid.move_agent(palestinian, nearest_empty)
else:
#print ("Moveing to random empty")
if (self.grid.exists_empty_cells()):
self.grid.move_to_empty(palestinian)
else:
return False
return True
def find_nearest_empty(self, pos, neighborhood):
#.........这里部分代码省略.........