Prettified population trend plot

src/analysis/makieplots.jl

@@ -39,12 +39,15 @@ Returns a Makie figure object.
 """
 function populationtrends(model::AgentBasedModel)
     pops = model.datatables["populations"]
+    dates = @param(core.startdate):@param(core.enddate)
     f = Figure()
-    ax = Axis(f[1,1])
+    ax = Axis(f[1,1], xlabel="Date", ylabel="Population size",
+              xtickformat = timeseries -> [Dates.format(dates[Int(d+1)], "dd/mm/yyyy")
+                                           for d in timeseries])
     for s in unique(pops.Species)
         points = @select!(@subset(pops, :Species .== s), :Abundance)
-        lines!(f[1,1], Vector{Float32}(points.Abundance))
+        lines!(f[1,1], Vector{Float32}(points.Abundance), linewidth=3, label=s)
     end
-    #TODO prettify, add legend & labels
+    axislegend("Species"; position=:lt)
     f
 end