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Python SingleGrid.iter_neighbors方法代码示例

本文整理汇总了Python中mesa.space.SingleGrid.iter_neighbors方法的典型用法代码示例。如果您正苦于以下问题:Python SingleGrid.iter_neighbors方法的具体用法?Python SingleGrid.iter_neighbors怎么用?Python SingleGrid.iter_neighbors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mesa.space.SingleGrid的用法示例。


在下文中一共展示了SingleGrid.iter_neighbors方法的1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: SchellingModel

# 需要导入模块: from mesa.space import SingleGrid [as 别名]
# 或者: from mesa.space.SingleGrid import iter_neighbors [as 别名]
class SchellingModel(Model):
    '''Model class for Schelling segregation model'''

    def __init__(self, height=20, width=20, density=.8, group_ratio=.66, minority_ratio=.5, homophily=3):
        self.height = height
        self.width = width
        self.density = density
        self.group_ratio = group_ratio
        self.minority_ratio = minority_ratio
        self.homophily = homophily
        self.happy = 0
        self.segregated = 0

        self.schedule = RandomActivation(self)
        self.grid = SingleGrid(height, width, torus=False)

        self.place_agents()
        self.datacollector = DataCollector( {'happy': (lambda m: m.happy), 'segregated': (lambda m: m.segregated)})
        self.running = True


    def step(self):
        '''Run one step of model'''
        self.schedule.step()
        self.calculate_stats()
        self.datacollector.collect(self)

        if self.happy == self.schedule.get_agent_count():
            self.running = False


    def place_agents(self):
        for cell in self.grid.coord_iter():
            x, y = cell[1:3]
            if random.random() < self.density:
                if random.random() < self.group_ratio:
                    if random.random() < self.minority_ratio:
                        group = 0
                    else:
                        group = 1
                else:
                    group = 2

                agent = SchellingAgent((x,y), group)
                self.grid.position_agent(agent, (x,y))
                self.schedule.add(agent)

        for agent in self.schedule.agents:
            count = 0
            for neighbour in self.grid.iter_neighbors(agent.pos, moore=False):
                if neighbour.group == agent.group:
                    count += 1
            agent.similar = count


    def calculate_stats(self):
        happy_count = 0
        avg_seg = 0
        for agent in self.schedule.agents:
            avg_seg += agent.similar
            if agent.similar >= self.homophily:
                happy_count += 1

        self.happy = happy_count
        self.segregated = avg_seg/self.schedule.get_agent_count()
开发者ID:nshlapo,项目名称:ComplexSocialModeling,代码行数:67,代码来源:Model.py


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