本文整理汇总了Python中mesa.space.Grid._place_agent方法的典型用法代码示例。如果您正苦于以下问题：Python Grid._place_agent方法的具体用法？Python Grid._place_agent怎么用？Python Grid._place_agent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.Grid的用法示例。
在下文中一共展示了Grid._place_agent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: ForestFire
# 需要导入模块: from mesa.space import Grid [as 别名]
# 或者: from mesa.space.Grid import _place_agent [as 别名]
class ForestFire(Model):
'''
Simple Forest Fire model.
'''
def __init__(self, height, width, density):
'''
Create a new forest fire model.
Args:
height, width: The size of the grid to model
density: What fraction of grid cells have a tree in them.
'''
# Initialize model parameters
self.height = height
self.width = width
self.density = density
# Set up model objects
self.schedule = RandomActivation(self)
self.grid = Grid(height, width, torus=False)
self.datacollector = DataCollector(
{"Fine": lambda m: self.count_type(m, "Fine"),
"On Fire": lambda m: self.count_type(m, "On Fire"),
"Burned Out": lambda m: self.count_type(m, "Burned Out")})
# Place a tree in each cell with Prob = density
for (contents, x, y) in self.grid.coord_iter():
if random.random() < self.density:
# Create a tree
new_tree = TreeCell((x, y))
# Set all trees in the first column on fire.
if x == 0:
new_tree.condition = "On Fire"
self.grid._place_agent((x, y), new_tree)
self.schedule.add(new_tree)
self.running = True
def step(self):
'''
Advance the model by one step.
'''
self.schedule.step()
self.datacollector.collect(self)
# Halt if no more fire
if self.count_type(self, "On Fire") == 0:
self.running = False
@staticmethod
def count_type(model, tree_condition):
'''
Helper method to count trees in a given condition in a given model.
'''
count = 0
for tree in model.schedule.agents:
if tree.condition == tree_condition:
count += 1
return count示例2: InspectionModel
# 需要导入模块: from mesa.space import Grid [as 别名]
# 或者: from mesa.space.Grid import _place_agent [as 别名]
class InspectionModel(Model):
'''
Simple Restaurant Inspection model.
'''
def __init__(self, height, width, density):
'''
Create a new restaurant inspection model.
Args:
height, width: The size of the grid to model
density: What fraction of grid cells have a restaurant in them.
'''
# Initialize model parameters
self.height = height
self.width = width
self.density = density
# Set up model objects
self.schedule = RandomActivation(self)
self.grid = Grid(height, width, torus=False)
self.datacollector = DataCollector(
{"Good": lambda m: self.count_type(m, "Good"),
"Bad": lambda m: self.count_type(m, "Bad")})
# Place a restaurant in each cell with Prob = density
for (contents, x, y) in self.grid.coord_iter():
if random.random() < self.density:
# Create a restaurant
new_restaurant = RestaurantCell((x, y))
self.grid._place_agent((x, y), new_restaurant)
self.schedule.add(new_restaurant)
self.running = True
def step(self):
'''
Advance the model by one step.
'''
self.schedule.step()
self.datacollector.collect(self)
@staticmethod
def count_type(model, restaurant_hygiene):
'''
Helper method to count restaurants in a given condition in a given model.
'''
count = 0
for restaurant in model.schedule.agents:
if restaurant.hygiene == restaurant_hygiene and restaurant.rating != 'Closed':
count += 1
return count