net.simplace.sim.components.experimental.intercropping.IntercroppingFunctions
public class IntercroppingFunctions {
// Public Constructors
public IntercroppingFunctions();
// Class Methods public static Double[][]
calcRowAndColSums(Double[][] m);
Calculates sum of rows, cols and total of a 2-dimensional array
- m
2-dimensional Array (1st index rows, 2nd index cols)
returns Array of rowsums, colsums and total sum
public static Double[]
getRowSums(Double[][] sums);
Retrieves the rowsums calculated by calcRowAndColSums
- sums
Array of rowsums, colsums and total sum
returns Array of rowsums
public static Double[]
getColSums(Double[][] sums);
Retrieves the colums calculated by calcRowAndColSums
- sums
Array of rowsums, colsums and total sum
returns Array of colsums
public static Double
getTotalSum(Double[][] sums);
Retrieves the total sum calculated by calcRowAndColSums
- sums
Array of rowsums, colsums and total sum
returns total sum
public static Double[][][]
calcWeightsMatrix(Double[][] m);
Divides the elements of a matrix by its total sum and calculates row- and colsums.
returns weights matrix as well as weighted rowsums and colsums
public static Double[][]
getWeightsMatrix(Double[][][] weights);
Retrieves the weights matrix
- weights as calculated by calcWeightsMatrix
returns the 2-dimensional weighted matrix
public static Double[]
getWeightsMatrixRow(Double[][][] weights, int row);
Retrieves a specific row from the weights matrix
- weights as calculated by calcWeightsMatrix
- row number of the row to retrieve
returns a row from the weighted matrix
public static Double[]
getWeightsRowsum(Double[][][] weights);
Retrieves the rowsums for a weight matrix
- weights as calculated by calcWeightsMatrix
returns an 1-dimensional Array with sums for each row
public static Double[]
getWeightsColsum(Double[][][] weights);
Retrieves the colsums for a weight matrix
- weights as calculated by calcWeightsMatrix
returns an 1-dimensional Array with sums for each column
public static HashMap
BelowgroundAllocationFactors(Double[] r1, Double[] r2);
Calculates belowground allocation factors from given root information per
layer of two plants
Root information can be root length density per layer or root restriction
factor or any information that reflects root uptake capacity.
- r1 root information of plant 1
- r2 root information of plant 2
returns factors per layer as well as total factor for each plant
public static double
calcViewFactor(double height, double width);
Calculates view factor
returns view factor
public static double
calcSoilInterceptionFractionPath(double width_strip,
double width_path, double k, double lai, double height);
Calculates radiation fraction that is intercepted by the soil
- width_strip Width of strip
- width_path Width of path
- k Extinction coefficient
- lai Leaf area index
- height Height of crop
returns fraction intercepted by the soil
public static double
calcSoilInterceptionFractionStrip(double width_strip,
double width_path, double k, double lai, double height);
Calculates radiation fraction that is intercepted by the crop
- width_strip Width of strip
- width_path Width of path
- k Extinction coefficient
- lai Leaf area index
- height Height of crop
returns fraction intercepted by the crop
public static double
calcInterceptionFractionOneCrop(double width_strip,
double width_path, double k, double lai, double height);
Calculates radiation fraction that is intercepted by the crop if only one crop is present
- width_strip Width of strip
- width_path Width of path
- k Extinction coefficient
- lai Leaf area index
- height Height of crop
returns fraction intercepted by the crop
public static Double[]
calcInterceptionFractionsSorted(double width_1,
double space_1, double k_1, double lai_1, double height_1, double
width_2, double space_2, double k_2, double lai_2, double height_2);
Calculates radiation interception for two crops where height of first crop is bigger than of second
- width_1 Width of first crop's strip
- space_1 Space of first crop
- k_1 Extinction coefficient of first crop
- lai_1 LAI of first crop
- height_1 Height of first crop
- width_2 Width of second crop's strip
- space_2 Space of second crop
- k_2 Extinction coefficient of second crop
- lai_2 LAI of second crop
- height_2 Height of second crop
returns fractions as array with two entries
public static Double[]
calcInterceptionFractions(double width_1, double
space_1, double k_1, double lai_1, double height_1, double width_2,
double space_2, double k_2, double lai_2, double height_2);
Calculates radiation interception fractions for two crops
- width_1 Width of first crop's strip
- space_1 Space of first crop
- k_1 Extinction coefficient of first crop
- lai_1 LAI of first crop
- height_1 Height of first crop
- width_2 Width of second crop's strip
- space_2 Space of second crop
- k_2 Extinction coefficient of second crop
- lai_2 LAI of second crop
- height_2 Height of second crop
returns fractions as array with two entries
}