程序包 wcontour

类 Interpolate

java.lang.Object

wcontour.Interpolate

public class Interpolate
extends Object

Interpolate class - including the functions of interpolation

版本:

$Revision: 1.6 $

作者:

Yaqiang Wang

构造器概要

构造器

构造器	说明
Interpolate()

方法概要

限定符和类型	方法	说明
static double[][]	assignPointToGrid(double[][] SCoords, double[] X, double[] Y, double unDefData)	Assign point value to grid value
static List<double[]>	createGridXY_Delt(double Xlb, double Ylb, double Xrt, double Yrt, double XDelt, double YDelt)	Create grid x/y coordinate arrays with x/y delt
static void	createGridXY_Num(double Xlb, double Ylb, double Xrt, double Yrt, double[] X, double[] Y)	Create grid X/Y coordinate
static double[][]	cressman(double[][] stationData, double[] X, double[] Y, double unDefData)	Cressman analysis
static double[][]	cressman(double[][] stData, double[] X, double[] Y, double unDefData, List<Double> radList)	Cressman analysis
static double[][]	cressman_kdTree(double[][] stationData, double[] X, double[] Y, double unDefData)	Cressman analysis - KDTree
static double[][]	cressman_kdTree(double[][] stData, double[] X, double[] Y, double unDefData, List<Double> radList)	Cressman analysis - KDTree
static double[][]	idw_Radius_kdTree(double[][] stData, double[] xGrid, double[] yGrid, int neededPointNum, double radius, double fillValue)	Interpolation with IDW radius method - using KDTree for fast search
static double[][]	interpolation_Grid(double[][] GridData, double[] X, double[] Y, double unDefData, double[] nX, double[] nY)	Interpolate from grid data
static double[][]	interpolation_IDW_Neighbor(double[][] SCoords, double[] X, double[] Y, int NumberOfNearestNeighbors)	Interpolation with IDW neighbor method
static double[][]	interpolation_IDW_Neighbor(double[][] SCoords, double[] X, double[] Y, int NumberOfNearestNeighbors, double unDefData)	Interpolation with IDW neighbor method
static double[][]	interpolation_IDW_Radius(double[][] SCoords, double[] X, double[] Y, int NeededPointNum, double radius, double unDefData)	Interpolation with IDW radius method

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Interpolate

public Interpolate()

方法详细资料

createGridXY_Delt

public static List<double[]> createGridXY_Delt(double Xlb,
                                               double Ylb,
                                               double Xrt,
                                               double Yrt,
                                               double XDelt,
                                               double YDelt)

Create grid x/y coordinate arrays with x/y delt

参数:

Xlb - x of left-bottom

Ylb - y of left-bottom

Xrt - x of right-top

Yrt - y of right-top

XDelt - x delt

YDelt - y delt

返回:

X/Y coordinate arrays

createGridXY_Num

public static void createGridXY_Num(double Xlb,
                                    double Ylb,
                                    double Xrt,
                                    double Yrt,
                                    double[] X,
                                    double[] Y)

Create grid X/Y coordinate

参数:

Xlb - X left bottom

Ylb - Y left bottom

Xrt - X right top

Yrt - Y right top

X - X coordinate

Y - Y coordinate

interpolation_IDW_Neighbor

public static double[][] interpolation_IDW_Neighbor(double[][] SCoords,
                                                    double[] X,
                                                    double[] Y,
                                                    int NumberOfNearestNeighbors)

Interpolation with IDW neighbor method

参数:

SCoords - discrete data array

X - grid X array

Y - grid Y array

NumberOfNearestNeighbors - number of nearest neighbors

返回:

grid data

interpolation_IDW_Neighbor

public static double[][] interpolation_IDW_Neighbor(double[][] SCoords,
                                                    double[] X,
                                                    double[] Y,
                                                    int NumberOfNearestNeighbors,
                                                    double unDefData)

Interpolation with IDW neighbor method

参数:

SCoords - discrete data array

X - grid X array

Y - grid Y array

NumberOfNearestNeighbors - number of nearest neighbors

unDefData - undefine data

返回:

interpolated grid data

interpolation_IDW_Radius

public static double[][] interpolation_IDW_Radius(double[][] SCoords,
                                                  double[] X,
                                                  double[] Y,
                                                  int NeededPointNum,
                                                  double radius,
                                                  double unDefData)

Interpolation with IDW radius method

参数:

SCoords - discrete data array

X - grid X array

Y - grid Y array

NeededPointNum - needed at least point number

radius - search radius

unDefData - undefine data

返回:

interpolated grid data

idw_Radius_kdTree

public static double[][] idw_Radius_kdTree(double[][] stData,
                                           double[] xGrid,
                                           double[] yGrid,
                                           int neededPointNum,
                                           double radius,
                                           double fillValue)

Interpolation with IDW radius method - using KDTree for fast search

参数:

stData - discrete data array

xGrid - grid X array

yGrid - grid Y array

neededPointNum - needed at least point number

radius - search radius

fillValue - Fill value

返回:

interpolated grid data

interpolation_Grid

public static double[][] interpolation_Grid(double[][] GridData,
                                            double[] X,
                                            double[] Y,
                                            double unDefData,
                                            double[] nX,
                                            double[] nY)

Interpolate from grid data

参数:

GridData - input grid data

X - input x coordinates

Y - input y coordinates

unDefData - undefine data

nX - output x coordinate

nY - output y coordinate

返回:

output grid data

cressman

public static double[][] cressman(double[][] stationData,
                                  double[] X,
                                  double[] Y,
                                  double unDefData)

Cressman analysis

参数:

stationData - station data array - x,y,value

X - x array

Y - y array

unDefData - undefine data

返回:

grid data

cressman

public static double[][] cressman(double[][] stData,
                                  double[] X,
                                  double[] Y,
                                  double unDefData,
                                  List<Double> radList)

Cressman analysis

参数:

stData - station data array - x,y,value

X - x array

Y - y array

unDefData - undefine data

radList - radii list

返回:

result grid data

cressman_kdTree

public static double[][] cressman_kdTree(double[][] stationData,
                                         double[] X,
                                         double[] Y,
                                         double unDefData)

Cressman analysis - KDTree

参数:

stationData - station data array - x,y,value

X - x array

Y - y array

unDefData - undefine data

返回:

grid data

cressman_kdTree

public static double[][] cressman_kdTree(double[][] stData,
                                         double[] X,
                                         double[] Y,
                                         double unDefData,
                                         List<Double> radList)

Cressman analysis - KDTree

参数:

stData - station data array - x,y,value

X - x array

Y - y array

unDefData - undefine data

radList - radii list

返回:

result grid data

assignPointToGrid

public static double[][] assignPointToGrid(double[][] SCoords,
                                           double[] X,
                                           double[] Y,
                                           double unDefData)

Assign point value to grid value

参数:

SCoords - point value array

X - x coordinate

Y - y coordinate

unDefData - undefine value

返回:

grid data