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109 lines
2.8 KiB
Python
109 lines
2.8 KiB
Python
from mesa.visualization.ModularVisualization import ModularServer
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from soil.visualization import UserSettableParameter
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from mesa.visualization.modules import ChartModule, NetworkModule, CanvasGrid
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from social_wealth import MoneyEnv, graph_generator, SocialMoneyAgent
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import networkx as nx
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class MyNetwork(NetworkModule):
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def render(self, model):
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return self.portrayal_method(model)
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def network_portrayal(env):
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# The model ensures there is 0 or 1 agent per node
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portrayal = dict()
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wealths = {node_id: data['agent'].wealth for (node_id, data) in env.G.nodes(data=True)}
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portrayal["nodes"] = [
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{
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"id": node_id,
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"size": 2*(wealth+1),
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"color": "#CC0000" if wealth == 0 else "#007959",
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# "color": "#CC0000",
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"label": f"{node_id}: {wealth}",
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} for (node_id, wealth) in wealths.items()
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]
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portrayal["edges"] = [
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{"id": edge_id, "source": source, "target": target, "color": "#000000"}
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for edge_id, (source, target) in enumerate(env.G.edges)
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]
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return portrayal
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def gridPortrayal(agent):
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"""
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This function is registered with the visualization server to be called
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each tick to indicate how to draw the agent in its current state.
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:param agent: the agent in the simulation
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:return: the portrayal dictionary
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"""
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color = max(10, min(agent.wealth*10, 100))
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return {
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"Shape": "rect",
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"w": 1,
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"h": 1,
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"Filled": "true",
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"Layer": 0,
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"Label": agent.unique_id,
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"Text": agent.unique_id,
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"x": agent.pos[0],
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"y": agent.pos[1],
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"Color": f"rgba(31, 10, 255, 0.{color})"
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}
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grid = MyNetwork(network_portrayal, 500, 500)
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chart = ChartModule(
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[{"Label": "Gini", "Color": "Black"}], data_collector_name="datacollector"
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)
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model_params = {
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"N": UserSettableParameter(
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"slider",
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"N",
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5,
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1,
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10,
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1,
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description="Choose how many agents to include in the model",
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),
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"height": UserSettableParameter(
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"slider",
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"height",
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5,
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5,
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10,
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1,
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description="Grid height",
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),
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"width": UserSettableParameter(
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"slider",
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"width",
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5,
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5,
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10,
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1,
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description="Grid width",
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),
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"agent_class": UserSettableParameter('choice', 'Agent class', value='MoneyAgent',
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choices=['MoneyAgent', 'SocialMoneyAgent']),
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"generator": graph_generator,
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}
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canvas_element = CanvasGrid(gridPortrayal,
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model_params["width"].value,
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model_params["height"].value, 500, 500)
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server = ModularServer(
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MoneyEnv, [grid, chart, canvas_element], "Money Model", model_params
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)
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server.port = 8521
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server.launch(open_browser=False)
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