Wrote `setting()` function

data/config.toml

+### Persephone - a socio-economic-ecological model of European agricultural landscapes.
+###
+### This is an example configuration file for development.
+### Note: the reference version is at src/parameters.toml
+###
+
+[core]
+configfile = "data/config.toml" # location of the configuration file
+mapfile = "data/region_hohenlohe.tif" # location of the map file
+outdir = "results" # location and name of the output folder
+logfile = "simulation.log" # name of the log file
+loglevel = "debug" # verbosity level: "debug", "normal", "errors"
+quietmode = false # if true, only print log statements to file, not the screen
+runtime = 5 # duration in days that the simulation will run for
+seed = 0 # seed value for the RNG (0 -> random value)
+
+[farm]
+
+
+[ecology]
+
+[crop]
+cropmodel = "linear" # crop growth model to use, "linear" or "aquacrop" (not yet implemented)
+

src/Persephone.jl

@@ -4,7 +4,7 @@
 ### Lea Kolb <lea-deborah.kolb@idiv.de>
 ### (c) 2022, licensed under the terms of the MIT license
 ###
-### This file defines the module (= "library") for the Persephone model.
+### This file defines the module/package for the Persephone model.
 ### To run the model, either execute `run.jl` from the commandline,
 ### or import the module using your own wrapper script or software.
 ###
@@ -24,7 +24,8 @@ using
 export
     simulate,
     initsim,
-    runsim
+    stepsim,
+    finalisesim
 
 ## The file that stores all default parameters
 const paramfile = "src/parameters.toml"

src/core/input.jl

@@ -6,6 +6,27 @@
 ## Note: some of this code was adapted from the GeMM model
 ## (https://github.com/CCTB-Ecomods/gemm/blob/master/src/input.jl)
 
+let settings::Dict{String, Dict{String, Any}}
+    """
+        initsettings(configfile)
+
+    Initialise the global model settings for this run.
+    """
+    global function initsettings(configfile::String)
+        settings = getsettings(configfile)
+    end
+
+    """
+        setting(domain, param)
+
+    Return a configuration parameter from the global settings.
+    Domain may be any of "core", "ecology", "farm", or "crop".
+    """
+    global function setting(domain::String, param::String)
+        settings[domain][param]
+    end
+end
+
 """
     getsettings(configfile)
 
@@ -91,3 +112,11 @@ function parsecommandline()
     args
 end
 
+"""
+    readtiffmapfile(filename)
+
+Read in a TIFF map file and return it as an array.
+"""
+function readtiffmapfile(filename)
+    #TODO
+end

src/core/simulation.jl

@@ -4,19 +4,27 @@
 ###
 
 function initsim(config::String)
-    settings = getsettings(config)
-    TOML.print(settings)
-    Random.seed!(settings["core"]["seed"])
+    initsettings(config)
+    Random.seed!(setting("core", "seed"))
+    #TODO create output folder
+    #TODO create world
+end
+
+function stepsim()
+    println("Simulating another day.")
     #TODO
 end
 
-function runsim()
+function finalisesim()
+    println("Simulation ran. Nothing happened. But it will!")
     #TODO
 end
 
 function simulate(config::String=paramfile)
     initsim(config)
-    runsim()
-    println("Simulation ran. Nothing happened. But it will!")
+    for day in 1:setting("core", "runtime")
+        stepsim()
+    end
+    finalisesim()
     #TODO
 end