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draw_space only works if there is at least one agent #2638

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quaquel opened this issue Jan 23, 2025 · 0 comments · May be fixed by #2640

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quaquel commented Jan 23, 2025

Describe the bug
If you try to draw a space and there are no agents in the space, you get an index error

Expected behavior
the space should simply be drawn without any agents

To Reproduce

from mesa.experimental.cell_space import OrthogonalMooreGrid, CellAgent
from mesa import Model
from mesa.visualization import draw_space

model = Model(seed=42)
space = OrthogonalMooreGrid((10,5), random=model.random)

fig, ax = plt.subplots()

draw_space(space, ax=ax)
plt.show()

Sahil-Chhoker linked a pull request

that will close this issue

Added conditional checks for empty grid placement #2640

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