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We start by creating a list of coordinates using reading the waterlevels at the cell centers (the initial waterlevel values are defined per cell)from a CSV (Comma separated values) file.

Then we get the waterlevel for these coordinates at the start time and set them as the initial waterlevel of our model.

# add initial conditions 
import csv

initialWaterLevels = []

initialCsvFilePathwith = open("D:\\Workshop\\initial.csv"



with open(initialCsvFilePath) as csvfile: 

    lines = csv.reader(csvfile, delimiter=',')

   

    for line in lines:

        initialWaterLevels.append(float(line[0]))



fmModel.InitialWaterLevels.SetValues(initialWaterLevels)

To limit the calculation time we change the maximum and initial delta t (time) to 1 hour using the SetModelProperty" function.

# set model max and initial timestep size
timeStep = timedelta(hours=1)

SetModelProperty(fmModel, KnownProperties.DtMax, str(timeStep.total_seconds()))
SetModelProperty(fmModel, KnownProperties.DtInit, str(timeStep.total_seconds()))