org.ecoinformatics.seek.gis.java_gis

Class Grid

java.lang.Object

org.ecoinformatics.seek.gis.java_gis.Grid

public class Grid
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
double[][]	dataArray
double	delx
double	dely
boolean	inMemFlag
int	ncols
static java.lang.String	NODATA_value_String
int	nrows
util.PersistentVector	pv
double	xllcorner
double	yllcorner

Constructor Summary

Constructors

Constructor and Description
Grid()
Grid(java.io.File ascfile)
Grid(java.io.File ascfile, boolean inMemory)
Grid(int nx, int ny, double dx, double dy, double xmin, double ymin)

Method Summary

Modifier and Type	Method and Description
void	createAsc(java.lang.String filename)
void	createRectangularMask(double xmin, double ymin, double xmax, double ymax, double outvalue, double invalue)
void	createShapeMask(java.awt.Shape shape, double outvalue, double invalue)
void	delete()
double	getFractionMissingDataPixels()
double	getFractionPixelsWithValue(double val, double thresh)
int	getNumberMissingDataPixels()
int	getNumberPixelsWithValue(double val, double thresh)
double	getValue(int x, int y)
double	interpValue_IDW(double x, double y)
double	interpValue(double x, double y, int scalingAlgorithm)
static void	main(java.lang.String[] args)
Grid	rescale(int nr, int nc, double dx, double dy, double xmin, double ymin, int scalingAlgorithm)
Grid	reset(double minval, double maxval, double newvalue)
Grid	transform(double minval, double maxval, double multFactor, double addFactor)

Methods inherited from class java.lang.Object

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

Field Detail

nrows

public int nrows

ncols

public int ncols

xllcorner

public double xllcorner

yllcorner

public double yllcorner

delx

public double delx

dely

public double dely

NODATA_value_String

public static java.lang.String NODATA_value_String

inMemFlag

public boolean inMemFlag

dataArray

public double[][] dataArray

pv

public util.PersistentVector pv

Constructor Detail

Grid

public Grid()

Grid

public Grid(int nx,
            int ny,
            double dx,
            double dy,
            double xmin,
            double ymin)

Grid

public Grid(java.io.File ascfile)

Grid

public Grid(java.io.File ascfile,
            boolean inMemory)

Method Detail

getValue

public double getValue(int x,
                       int y)

interpValue

public double interpValue(double x,
                          double y,
                          int scalingAlgorithm)

interpValue_IDW

public double interpValue_IDW(double x,
                              double y)

createAsc

public void createAsc(java.lang.String filename)

rescale

public Grid rescale(int nr,
                    int nc,
                    double dx,
                    double dy,
                    double xmin,
                    double ymin,
                    int scalingAlgorithm)

reset

public Grid reset(double minval,
                  double maxval,
                  double newvalue)

transform

public Grid transform(double minval,
                      double maxval,
                      double multFactor,
                      double addFactor)

getNumberMissingDataPixels

public int getNumberMissingDataPixels()

delete

public void delete()

getFractionMissingDataPixels

public double getFractionMissingDataPixels()

getNumberPixelsWithValue

public int getNumberPixelsWithValue(double val,
                                    double thresh)

getFractionPixelsWithValue

public double getFractionPixelsWithValue(double val,
                                         double thresh)

createRectangularMask

public void createRectangularMask(double xmin,
                                  double ymin,
                                  double xmax,
                                  double ymax,
                                  double outvalue,
                                  double invalue)

createShapeMask

public void createShapeMask(java.awt.Shape shape,
                            double outvalue,
                            double invalue)

main

public static void main(java.lang.String[] args)