Package org.openjump.core.rasterimage.sextante.rasterWrappers

Class GridRasterWrapper

java.lang.Object

org.openjump.core.rasterimage.sextante.rasterWrappers.GridRasterWrapper

public class GridRasterWrapper
extends Object

Wrapper to convert org.openjump.core.rasterimage.sextante.OpenJUMPSextanteRasterLayer to 2D Array (Matrix) or to a 1D Array.

Author:

Giuseppe Aruta [2018-05-18]

Constructor Summary

Constructors

Constructor	Description
GridRasterWrapper()

Method Summary

Modifier and Type	Method	Description
static WritableRaster	matrixToRaster(double[][] matrix)	Convert a double 2DArray (matrix) to java.awt.image.WritableRaster (single band)
static Raster	matrixToRaster(double[][] matrix, SampleModel model)	Convert a 2DArray (Matrix) as double to java.awt.image.Raster, to band 0
static Raster	matrixToRaster(double[][] matrix, SampleModel model, int band)	Convert a 2DArray (Matrix) as double to java.awt.image.Raster, defining the band number
static double[]	rasterToArray(OpenJUMPSextanteRasterLayer rstLayer)	Convert the first band of OpenJUMPSextanteRasterLayer to a 1D Array as double Useful for single banded raster
static double[]	rasterToArray(OpenJUMPSextanteRasterLayer rstLayer, double min, double max)	Convert the first band of of OpenJUMPSextanteRasterLayer to a 1D Array as double.
static double[]	rasterToArray(OpenJUMPSextanteRasterLayer rstLayer, int band)	Convert the first band of OpenJUMPSextanteRasterLayer to a 1D Array as double
static double[]	rasterToArray(OpenJUMPSextanteRasterLayer rstLayer, int band, double min, double max)	Convert a band of OpenJUMPSextanteRasterLayer to a 1D Array as double.
static double[][]	rasterToEmptyMatrix(OpenJUMPSextanteRasterLayer rstLayer, int band)	create an empty 2D Array from a OpenJUMPSextanteRasterLayer
static double[][]	rasterToMatrix(Raster raster)	Convert a java.awt.image.Raster to 2DArray (Matrix) as double
static double[][]	rasterToMatrix(OpenJUMPSextanteRasterLayer rstLayer)	Convert the first band of OpenJUMPSextanteRasterLayer to a 2D Array as double Useful for single banded raster
static double[][]	rasterToMatrix(OpenJUMPSextanteRasterLayer rstLayer, int band)	Convert a OpenJUMPSextanteRasterLayer to a 2D Array as double

Methods inherited from class java.lang.Object

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

Constructor Detail

GridRasterWrapper

public GridRasterWrapper()

Method Detail

rasterToMatrix

public static double[][] rasterToMatrix(OpenJUMPSextanteRasterLayer rstLayer,
                                        int band)

Convert a OpenJUMPSextanteRasterLayer to a 2D Array as double

Parameters:

rstLayer - OpenJUMP Sextante Raster Layer

band - (integer)

Returns:

the matrix representing this Raster as a 2-dimensional double array

rasterToEmptyMatrix

public static double[][] rasterToEmptyMatrix(OpenJUMPSextanteRasterLayer rstLayer,
                                             int band)

create an empty 2D Array from a OpenJUMPSextanteRasterLayer

Parameters:

rstLayer - OpenJUMP Sextante Raster Layer

band - (integer)

Returns:

a 2-dimensional double array sized after this raster and filled with nodata values

rasterToMatrix

public static double[][] rasterToMatrix(OpenJUMPSextanteRasterLayer rstLayer)

Convert the first band of OpenJUMPSextanteRasterLayer to a 2D Array as double Useful for single banded raster

Parameters:

rstLayer - OpenJUMP Sextante Raster Layer

Returns:

the matrix representing this OpenJUMPSextanteRasterLayer as a 2-dimensional double array

rasterToArray

public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer,
                                     int band)

Convert the first band of OpenJUMPSextanteRasterLayer to a 1D Array as double

Parameters:

rstLayer - OpenJUMPSextanteRasterLayer to convert to a double array

band - the Raster band to export

Returns:

a 1-dimensional double array containing all the OpenJUMPSextanteRasterLayer values contained in a band

rasterToArray

public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer)

Convert the first band of OpenJUMPSextanteRasterLayer to a 1D Array as double Useful for single banded raster

Parameters:

rstLayer - OpenJUMP Sextante Raster Layer

Returns:

a 1-dimensional double array containing all OpenJUMPSextanteRasterLayer values contained in band 0

rasterToArray

public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer,
                                     int band,
                                     double min,
                                     double max)

Convert a band of OpenJUMPSextanteRasterLayer to a 1D Array as double. Limit the array to min/max values

Parameters:

rstLayer - OpenJUMP Sextante Raster Layer

band - the Raster band to analyze

min - minimum value to copy

max - maximum value to copy

Returns:

a 1-dimensional double array containing all the Raster values for this band which are strictly higher than min and lower than max

rasterToArray

public static double[] rasterToArray(OpenJUMPSextanteRasterLayer rstLayer,
                                     double min,
                                     double max)

Convert the first band of of OpenJUMPSextanteRasterLayer to a 1D Array as double. Limit the array to min/max values

Parameters:

rstLayer - OpenJUMP Sextante Raster Layer

min - minimum value to copy

max - maximum value to copy

Returns:

a 1-dimensional double array containing all the Raster values for band 0 which are strictly higher than min and lower than max

matrixToRaster

public static Raster matrixToRaster(double[][] matrix,
                                    SampleModel model)

Convert a 2DArray (Matrix) as double to java.awt.image.Raster, to band 0

Parameters:

matrix - 2D Array as double

model - Sample Model

Returns:

java.awt.image.Raster

matrixToRaster

public static Raster matrixToRaster(double[][] matrix,
                                    SampleModel model,
                                    int band)

Convert a 2DArray (Matrix) as double to java.awt.image.Raster, defining the band number

Parameters:

matrix - 2D Array as double

model - Sample Model

band - number

Returns:

java.awt.image.Raster

rasterToMatrix

public static double[][] rasterToMatrix(Raster raster)

Convert a java.awt.image.Raster to 2DArray (Matrix) as double

Parameters:

raster - input raster

Returns:

2DArray (Matrix) as double[][]

matrixToRaster

public static WritableRaster matrixToRaster(double[][] matrix)

Convert a double 2DArray (matrix) to java.awt.image.WritableRaster (single band)

Parameters:

matrix - 2D double Array

Returns:

WritableRaster