//---------------------------------------------------------------------
/// <summary>
/// Combines all young cohorts into a single cohort whose age is the
/// succession timestep - 1 and whose biomass is the sum of all the
/// biomasses of the young cohorts.
/// </summary>
/// <remarks>
/// The age of the combined cohort is set to the succession timestep -
/// 1 so that when the combined cohort undergoes annual growth, its
/// age will end up at the succession timestep.
/// <p>
/// For this method, young cohorts are those whose age is less than or
/// equal to the succession timestep. We include the cohort whose age
/// is equal to the timestep because such a cohort is generated when
/// reproduction occurs during a succession timestep.
/// </remarks>
public void CombineYoungCohorts()
{
// Work from the end of cohort data since the array is in old-to-
// young order.
int youngCount = 0;
int totalBiomass = 0;
for (int i = cohortData.Count - 1; i >= 0; i--)
{
CohortData data = cohortData[i];
if (data.Age <= Cohorts.SuccessionTimeStep)
{
youngCount++;
totalBiomass += data.Biomass;
}
else
{
break;
}
}
if (youngCount > 0)
{
cohortData.RemoveRange(cohortData.Count - youngCount, youngCount);
cohortData.Add(new CohortData((ushort)(Cohorts.SuccessionTimeStep - 1),
(ushort)totalBiomass));
}
}
public void Init()
{
betualle = Data.Species["betualle"];
const ushort age = 100;
const int biomass = 500;
CohortData data = new CohortData(age, biomass);
myCohort = new Cohort(betualle, data);
bool[,] grid = new bool[,]{ {true} };
DataGrid<bool> dataGrid = new DataGrid<bool>(grid);
ILandscape landscape = new Landscape.Landscape(dataGrid);
myActiveSite = landscape[1,1];
}
public void NonWoodyPercentage()
{
const ushort age = 100;
const int biomass = 500;
CohortData data = new CohortData(age, biomass);
Cohort cohort = new Cohort(betualle, data);
Percentage nonWoodyPercentage = Percentage.Parse("35%");
mockCalculator.NonWoodyPercentage = nonWoodyPercentage;
int expectedNonWoody = (int) (biomass * nonWoodyPercentage);
int nonWoody = cohort.ComputeNonWoodyBiomass(activeSite);
Assert.AreEqual(expectedNonWoody, nonWoody);
}
//---------------------------------------------------------------------
public Cohort(ISpecies species,
CohortData cohortData)
{
this.species = species;
this.data = cohortData;
}
//---------------------------------------------------------------------
public Cohort(ISpecies species,
CohortData cohortData)
{
this.species = species;
this.data = cohortData;
}
