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soil/examples/mesa/server.py
J. Fernando Sánchez 73282530fd Big refactor v0.30
All test pass, except for the TestConfig suite, which is not too critical as the
plan for this version onwards is to avoid configuration as much as possible.
2023-04-09 04:19:24 +02:00

112 lines
2.7 KiB
Python

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