public void ApplyDistrictProperties(List <DistrictGenerator> districts)
{
IList <DistrictEffect> populationDensityEffects = GetPopulationDensityEffects(districts);
IList <DistrictEffect> urbanisationEffects = GetUrbanisationEffects(districts);
IList <DistrictEffect> coastalnessEffects = GetCoastalnessEffects(districts);
IList <DistrictEffect> wealthEffects = GetWealthEffects(districts);
IList <DistrictEffect> ageEffects = GetAgeEffects(districts);
IList <DistrictEffect> educationEffects = GetEducationEffects(districts);
IList <DistrictEffect> healthEffects = GetHealthEffects(districts);
IList <DistrictEffect> geographicDivideEffects = GetGeographicDivideEffects(districts);
foreach (var district in districts)
{
// 8 people per square km is the western isles.
// 42 people per square km is Stirling (district).
// 68 people per square km is South Lakeland.
// 150 people per square km is Cornwall.
// 179 people per square km is South Lanarkshire.
// 280 people per square km is Fife.
// 1500 per square km is London (greater metropolitan area average) or Sheffield.
// 3550 per square km is Glasgow
// 5000 per square km is Portsmouth, the highest district outside London.
// 15000 per square km is Tower Hamlets.
// The median for England as a whole is ~900.
district.PopulationDensity = populationDensityEffects.AccumulateValues(district).Constrain(5, 15000);
district.Population = (int)Math.Round(district.PopulationDensity * district.Area / PixelsPerSquareKm);
district.Urbanisation = urbanisationEffects.AccumulateValues(district).Constrain(0, 1);
district.Coastalness = coastalnessEffects.AccumulateValues(district).Constrain(0, 1);
district.Wealth = wealthEffects.AccumulateValues(district).Constrain(0, 1);
district.Age = ageEffects.AccumulateValues(district).Constrain(0, 1);
district.Education = educationEffects.AccumulateValues(district).Constrain(0, 1);
district.Health = healthEffects.AccumulateValues(district).Constrain(0, 1);
district.GeographicDivide = geographicDivideEffects.AccumulateValues(district).Constrain(0, 1);
}
}