Can't access static_text type from Model subclass?

[Stephen Davies]

Hello, I'm trying to wire together a simple way to display status updates (in a text box) for the user to give them feedback about long-running simulations.

I thought I could do this using the "static_text" option of UserSettableParameter. But it appears that when I create such a text box, I am prohibited for some reason from passing it as an argument to the model constructor (so that the model could update the text while it's running.)

Minimum (non-)working example:

from mesa import Agent, Model
from mesa.visualization.UserParam import UserSettableParameter
from mesa.visualization.ModularVisualization import ModularServer

class MyModel(Model):
    def __init__(self, in1, msg):
        pass
    def step(self):
        pass
    def run(self):
        pass

if __name__ == "__main__":
    in1 = UserSettableParameter("slider","Input",10,1,100,1)
    msg = UserSettableParameter("static_text", value="<p>Boo</p>")
    server = ModularServer(MyModel, [], "Broken", { "in1":in1, "msg":msg })
    server.port = 8081
    server.launch()

If "msg" is set to any other kind of UserSettableParameter (another slider, for example) this runs without error. As is, I get:

TypeError: __init__() missing 1 required positional argument: 'msg'

Lil help?

[Majd Al-shihabi]

Hi Stephen - I suggest that instead of a user-settable parameter, you use a TextElement, or TextData visualization classes. They're more adapted to what you're trying to do, as far as I can tell. Here's an example of how it can be used.

Good luck!

Majd

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[Stephen Davies]

Ah...thanks! I misread the documentation -- I thought those classes were only for ASCII visualizations, not graphical ones.

Works perfect -- thanks much!