GUIdemo.py :  » Development » SimPy » SimPy-2.1.0beta » SimPyModels » Python Open Source

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Python Open Source » Development » SimPy 
SimPy » SimPy 2.1.0beta » SimPyModels » GUIdemo.py
__doc__=""" GUIdemo.py
This is a very basic model, demonstrating the ease
of interfacing to SimGUI.
"""
from SimPy.Simulation import *
from SimPy.Monitor import *
from random import *
from SimPy.SimGUI import *

## Model components ------------------------

class Launcher(Process):
    nrLaunched=0
    def launch(self):
        while True:
            gui.writeConsole("Launch at %.1f"%now())
            Launcher.nrLaunched+=1
            gui.launchmonitor.observe(Launcher.nrLaunched)
            yield hold,self,uniform(1,gui.params.maxFlightTime)
            gui.writeConsole("Boom!!! Aaaah!! at %.1f"%now())

def model():
    gui.launchmonitor=Monitor(name="Rocket counter",
                              ylab="nr launched",tlab="time")
    initialize()
    Launcher.nrLaunched=0
    for i in range(gui.params.nrLaunchers):
        lau=Launcher()
        activate(lau,lau.launch())
    simulate(until=gui.params.duration)
    gui.noRunYet=False
    gui.writeStatusLine("%s rockets launched in %.1f minutes"%
                        (Launcher.nrLaunched,now()))

class MyGUI(SimGUI):
    def __init__(self,win,**par):
        SimGUI.__init__(self,win,**par)
        self.run.add_command(label="Start fireworks",
                             command=model,underline=0)
        self.params=Parameters(duration=duration,
                               maxFlightTime=maxFlightTime,
                               nrLaunchers=nrLaunchers)
        
## Experiment data ---------------------------------------

duration=2000
maxFlightTime=11.7
nrLaunchers=3

## Model/Experiment/Display  ------------------------------

root=Tk()
gui=MyGUI(root,title="RocketGUI",doc=__doc__,consoleHeight=40)
gui.mainloop()
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