Package org.openjump.core.rasterimage.sextante

Class AbstractSextanteRasterLayer

java.lang.Object

org.openjump.core.rasterimage.sextante.AbstractSextanteRasterLayer

All Implemented Interfaces:

ISextanteDataObject, ISextanteLayer, ISextanteRasterLayer

Direct Known Subclasses:

OpenJUMPSextanteRasterLayer

public abstract class AbstractSextanteRasterLayer
extends Object
implements ISextanteRasterLayer

A convenience class which implements some of the methods of the IRasterLayer interface. Extending this class is recommended instead of implementing the interface directly

Author:

volaya

Field Summary

Fields

Modifier and Type	Field	Description
protected Object	m_BaseDataObject

Fields inherited from interface org.openjump.core.rasterimage.sextante.ISextanteRasterLayer

INTERPOLATION_BicubicSpline, INTERPOLATION_Bilinear, INTERPOLATION_BSpline, INTERPOLATION_InverseDistance, INTERPOLATION_NearestNeighbour, RASTER_DATA_TYPE_BYTE, RASTER_DATA_TYPE_DOUBLE, RASTER_DATA_TYPE_FLOAT, RASTER_DATA_TYPE_INT, RASTER_DATA_TYPE_SHORT

Constructor Summary

Constructors

Constructor	Description
AbstractSextanteRasterLayer()

Method Summary

Modifier and Type	Method	Description
void	add(ISextanteRasterLayer driver)	adds the value of another raster layer to this one.
void	addToCellValue(int x, int y, double dValue)	Adds a value to the current value of a cell in the first band of the layer in the first band of the layer
void	addToCellValue(int x, int y, int iBand, double dValue)	Adds a value to the current value of a cell
void	assign(double dValue)
void	assign(ISextanteRasterLayer layer)
void	assignNoData()
int[]	getAccumulatedHistogram()
int[]	getAccumulatedHistogram(int iBand)
double	getAspect(int x, int y)
Object	getBaseDataObject()	Returns the base data object (i.e.
byte	getCellValueAsByte(int x, int y)
byte	getCellValueAsByte(int x, int y, int band)
double	getCellValueAsDouble(int x, int y)
double	getCellValueAsDouble(int x, int y, int band)
float	getCellValueAsFloat(int x, int y)
float	getCellValueAsFloat(int x, int y, int band)
int	getCellValueAsInt(int x, int y)
int	getCellValueAsInt(int x, int y, int band)
short	getCellValueAsShort(int x, int y)
short	getCellValueAsShort(int x, int y, int band)
int	getDirToNextDownslopeCell(int x, int y)
int	getDirToNextDownslopeCell(int x, int y, boolean bForceDirToNoDataCell)
double	getDistToNeighborInDir(int iDir)
int[]	getHistogram()	Returns the histogram of the first band of this layer
int[]	getHistogram(int iBand)	Returns a histogram of a given band of this layer
double	getMaxValue()	Returns the max value in the first band of the layer
double	getMaxValue(int iBand)	Returns the max value in the given band of the layer
double	getMeanValue()	Returns the mean value in the first band of the layer
double	getMeanValue(int iBand)	Returns the mean value in the given band of the layer
double	getMinValue()	Returns the min value in the first band of the layer
double	getMinValue(int iBand)	Returns the min value in the given band of the layer
int	getNX()	Returns the number of columns in the query window of this layer
int	getNY()	Returns the number of rows in the query window of this layer
double	getSlope(int x, int y)
static double	getUnitDistToNeighborInDir(int iDir)
double	getValueAt(double x, double y)	Returns the value of the first band of this layer, at a given world coordinate.
double	getValueAt(double x, double y, int band)	Returns the value at a given world coordinate.
double	getVariance()	Returns the variance in the first band of the layer
double	getVariance(int iBand)	Returns the variance in the given band of the layer
Point2D.Double	getWindowCellSize()	Return the cellsize of the query window.
GridExtent	getWindowGridExtent()	Returns the grid extent of the query window of this layer.
boolean	isInWindow(int x, int y)
boolean	isNoDataValue(double dValue)	Checks if the given value equals the no-data value of the layer
void	multiply(double dValue)	Multiplies all the values of a layer by a fixed value
void	setCellValue(int x, int y, double dValue)	Sets the value at a cell, in the first band of the layer
void	setFullExtent()	Sets the query window extent to the full extent of the layer
void	setInterpolationMethod(int iMethod)	Sets the interpolation method to use for calculating value in points other than cell centers
void	setNoData(int x, int y)	Set the value of a cell in the first band of a layer to the no-data value
void	setNoData(int x, int y, int iBand)	Set the value of a cell to the no-data value
void	setWindowExtent(ISextanteRasterLayer layer)	Sets the extent of the query window using the full extent of another layer
void	setWindowExtent(GridExtent extent)	Sets a new query window extent
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openjump.core.rasterimage.sextante.ISextanteDataObject

close, getFilename, getName, open, postProcess, setName

Methods inherited from interface org.openjump.core.rasterimage.sextante.ISextanteLayer

getCRS, getFullExtent

Methods inherited from interface org.openjump.core.rasterimage.sextante.ISextanteRasterLayer

fitToGridExtent, getBandsCount, getCellValueInLayerCoords, getDataType, getLayerCellSize, getLayerGridExtent, getNoDataValue, setCellValue, setNoDataValue

Field Detail

m_BaseDataObject

protected Object m_BaseDataObject

Constructor Detail

AbstractSextanteRasterLayer

public AbstractSextanteRasterLayer()

Method Detail

getBaseDataObject

public Object getBaseDataObject()

Description copied from interface: ISextanteDataObject

Returns the base data object (i.e. the object that this class wraps, which contains the data itself)

Specified by:

getBaseDataObject in interface ISextanteDataObject

Returns:

the base data object

setInterpolationMethod

public void setInterpolationMethod(int iMethod)

Description copied from interface: ISextanteRasterLayer

Sets the interpolation method to use for calculating value in points other than cell centers

Specified by:

setInterpolationMethod in interface ISextanteRasterLayer

Parameters:

iMethod - method to use for interpolation

getCellValueAsByte

public byte getCellValueAsByte(int x,
                               int y)

Specified by:

getCellValueAsByte in interface ISextanteRasterLayer

getCellValueAsByte

public byte getCellValueAsByte(int x,
                               int y,
                               int band)

Specified by:

getCellValueAsByte in interface ISextanteRasterLayer

getCellValueAsShort

public short getCellValueAsShort(int x,
                                 int y)

Specified by:

getCellValueAsShort in interface ISextanteRasterLayer

getCellValueAsShort

public short getCellValueAsShort(int x,
                                 int y,
                                 int band)

Specified by:

getCellValueAsShort in interface ISextanteRasterLayer

getCellValueAsInt

public int getCellValueAsInt(int x,
                             int y)

Specified by:

getCellValueAsInt in interface ISextanteRasterLayer

getCellValueAsInt

public int getCellValueAsInt(int x,
                             int y,
                             int band)

Specified by:

getCellValueAsInt in interface ISextanteRasterLayer

getCellValueAsFloat

public float getCellValueAsFloat(int x,
                                 int y)

Specified by:

getCellValueAsFloat in interface ISextanteRasterLayer

getCellValueAsFloat

public float getCellValueAsFloat(int x,
                                 int y,
                                 int band)

Specified by:

getCellValueAsFloat in interface ISextanteRasterLayer

getCellValueAsDouble

public double getCellValueAsDouble(int x,
                                   int y)

Specified by:

getCellValueAsDouble in interface ISextanteRasterLayer

getCellValueAsDouble

public double getCellValueAsDouble(int x,
                                   int y,
                                   int band)

Specified by:

getCellValueAsDouble in interface ISextanteRasterLayer

getValueAt

public double getValueAt(double x,
                         double y)

Description copied from interface: ISextanteRasterLayer

Returns the value of the first band of this layer, at a given world coordinate. The current interpolation method is used if the coordinate does not fall on the exact center of a cell.

Specified by:

getValueAt in interface ISextanteRasterLayer

Parameters:

x - the x coordinate

y - the y coordinate

Returns:

the value at the given coordinate. If it falls outside of the layer, the current no-data value of the layer is returned

getValueAt

public double getValueAt(double x,
                         double y,
                         int band)

Description copied from interface: ISextanteRasterLayer

Returns the value at a given world coordinate. The current interpolation method is used if the coordinate does not fall on the exact center of a cell.

Specified by:

getValueAt in interface ISextanteRasterLayer

Parameters:

x - the x coordinate

y - the y coordinate

band - the band to query

Returns:

the value at the given world coordinate

isNoDataValue

public boolean isNoDataValue(double dValue)

Description copied from interface: ISextanteRasterLayer

Checks if the given value equals the no-data value of the layer

Specified by:

isNoDataValue in interface ISextanteRasterLayer

Parameters:

dValue - a value to check

Returns:

true if the given value equals the no-data value of the layer

isInWindow

public boolean isInWindow(int x,
                          int y)

Specified by:

isInWindow in interface ISextanteRasterLayer

Parameters:

x - the x coordinate(col) of the cell

y - the y coordinate(row) of the cell

Returns:

true if the given ccell is within the query window extent

getNX

public int getNX()

Description copied from interface: ISextanteRasterLayer

Returns the number of columns in the query window of this layer

Specified by:

getNX in interface ISextanteRasterLayer

Returns:

the number of columns in the query window

getNY

public int getNY()

Description copied from interface: ISextanteRasterLayer

Returns the number of rows in the query window of this layer

Specified by:

getNY in interface ISextanteRasterLayer

Returns:

the number of rows in the query window

getWindowCellSize

public Point2D.Double getWindowCellSize()

Description copied from interface: ISextanteRasterLayer

Return the cellsize of the query window. X and Y cellsizes are assumed to be equal

Specified by:

getWindowCellSize in interface ISextanteRasterLayer

Returns:

the cellsize of the query window

getWindowGridExtent

public GridExtent getWindowGridExtent()

Description copied from interface: ISextanteRasterLayer

Returns the grid extent of the query window of this layer. Each layer can have a query window, which makes it easier to seamlessly combine several layers.

Specified by:

getWindowGridExtent in interface ISextanteRasterLayer

Returns:

the window grid extent

assign

public void assign(double dValue)

Specified by:

assign in interface ISextanteRasterLayer

assign

public void assign(ISextanteRasterLayer layer)

Specified by:

assign in interface ISextanteRasterLayer

add

public void add(ISextanteRasterLayer driver)

Description copied from interface: ISextanteRasterLayer

adds the value of another raster layer to this one. Both layers must have the same window This is supposed to be used with monoband layers, so only the first band of each one is used.

Specified by:

add in interface ISextanteRasterLayer

Parameters:

driver - the ISextanteRasterLayer to add to this one

assignNoData

public void assignNoData()

Specified by:

assignNoData in interface ISextanteRasterLayer

setCellValue

public void setCellValue(int x,
                         int y,
                         double dValue)

Description copied from interface: ISextanteRasterLayer

Sets the value at a cell, in the first band of the layer

Specified by:

setCellValue in interface ISextanteRasterLayer

Parameters:

x - the x coordinate (cols)

y - the y coordinate (rows)

dValue - the new value

setNoData

public void setNoData(int x,
                      int y)

Description copied from interface: ISextanteRasterLayer

Set the value of a cell in the first band of a layer to the no-data value

Specified by:

setNoData in interface ISextanteRasterLayer

Parameters:

x - the x coordinate(col) of the cell to set to no-data

y - the y coordinate(row) of the cell to set to no-data

setNoData

public void setNoData(int x,
                      int y,
                      int iBand)

Description copied from interface: ISextanteRasterLayer

Set the value of a cell to the no-data value

Specified by:

setNoData in interface ISextanteRasterLayer

Parameters:

x - the x coordinate(col) of the cell to set to no-data

y - the y coordinate(row) of the cell to set to no-data

iBand - the band to set to no-data

addToCellValue

public void addToCellValue(int x,
                           int y,
                           int iBand,
                           double dValue)

Description copied from interface: ISextanteRasterLayer

Adds a value to the current value of a cell

Specified by:

addToCellValue in interface ISextanteRasterLayer

Parameters:

x - the x coordinate (cols)

y - the y coordinate (rows)

iBand - the band (zero-based)

dValue - the value to sum

addToCellValue

public void addToCellValue(int x,
                           int y,
                           double dValue)

Description copied from interface: ISextanteRasterLayer

Adds a value to the current value of a cell in the first band of the layer in the first band of the layer

Specified by:

addToCellValue in interface ISextanteRasterLayer

Parameters:

x - the x coordinate (cols)

y - the y coordinate (rows)

dValue - the value to sum

multiply

public void multiply(double dValue)

Description copied from interface: ISextanteRasterLayer

Multiplies all the values of a layer by a fixed value

Specified by:

multiply in interface ISextanteRasterLayer

Parameters:

dValue - the value to multiply

setWindowExtent

public void setWindowExtent(ISextanteRasterLayer layer)

Description copied from interface: ISextanteRasterLayer

Sets the extent of the query window using the full extent of another layer

Specified by:

setWindowExtent in interface ISextanteRasterLayer

Parameters:

layer - the layer from which to take the extent

setWindowExtent

public void setWindowExtent(GridExtent extent)

Description copied from interface: ISextanteRasterLayer

Sets a new query window extent

Specified by:

setWindowExtent in interface ISextanteRasterLayer

Parameters:

extent - the new grid extent to set fro this layer

setFullExtent

public void setFullExtent()

Description copied from interface: ISextanteRasterLayer

Sets the query window extent to the full extent of the layer

Specified by:

setFullExtent in interface ISextanteRasterLayer

getHistogram

public int[] getHistogram(int iBand)

Description copied from interface: ISextanteRasterLayer

Returns a histogram of a given band of this layer

Specified by:

getHistogram in interface ISextanteRasterLayer

Parameters:

iBand - the index of the band (zero-based)

Returns:

a histogram of the given band of this layer

getHistogram

public int[] getHistogram()

Description copied from interface: ISextanteRasterLayer

Returns the histogram of the first band of this layer

Specified by:

getHistogram in interface ISextanteRasterLayer

Returns:

a histogram of the first band of this layer

getAccumulatedHistogram

public int[] getAccumulatedHistogram(int iBand)

getAccumulatedHistogram

public int[] getAccumulatedHistogram()

Specified by:

getAccumulatedHistogram in interface ISextanteRasterLayer

getMinValue

public double getMinValue(int iBand)

Description copied from interface: ISextanteRasterLayer

Returns the min value in the given band of the layer

Specified by:

getMinValue in interface ISextanteRasterLayer

Parameters:

iBand - the index of the band (zero-based)

Returns:

the min value of the given band of this layer

getMaxValue

public double getMaxValue(int iBand)

Description copied from interface: ISextanteRasterLayer

Returns the max value in the given band of the layer

Specified by:

getMaxValue in interface ISextanteRasterLayer

Parameters:

iBand - the index of the band (zero-based)

Returns:

the max value of the given band of this layer

getMeanValue

public double getMeanValue(int iBand)

Description copied from interface: ISextanteRasterLayer

Returns the mean value in the given band of the layer

Specified by:

getMeanValue in interface ISextanteRasterLayer

Parameters:

iBand - the index of the band (zero-based)

Returns:

the mean value of the given band of this layer

getVariance

public double getVariance(int iBand)

Description copied from interface: ISextanteRasterLayer

Returns the variance in the given band of the layer

Specified by:

getVariance in interface ISextanteRasterLayer

Parameters:

iBand - the index of the band (zero-based)

Returns:

the variance of the given band of this layer

getMeanValue

public double getMeanValue()

Description copied from interface: ISextanteRasterLayer

Returns the mean value in the first band of the layer

Specified by:

getMeanValue in interface ISextanteRasterLayer

Returns:

the mean value of the first band of this layer

getMinValue

public double getMinValue()

Description copied from interface: ISextanteRasterLayer

Returns the min value in the first band of the layer

Specified by:

getMinValue in interface ISextanteRasterLayer

Returns:

the min value of the first band of this layer

getMaxValue

public double getMaxValue()

Description copied from interface: ISextanteRasterLayer

Returns the max value in the first band of the layer

Specified by:

getMaxValue in interface ISextanteRasterLayer

Returns:

the max value of the first band of this layer

getVariance

public double getVariance()

Description copied from interface: ISextanteRasterLayer

Returns the variance in the first band of the layer

Specified by:

getVariance in interface ISextanteRasterLayer

Returns:

the variance of the first band of this layer

getSlope

public double getSlope(int x,
                       int y)

Specified by:

getSlope in interface ISextanteRasterLayer

getAspect

public double getAspect(int x,
                        int y)

Specified by:

getAspect in interface ISextanteRasterLayer

getDistToNeighborInDir

public double getDistToNeighborInDir(int iDir)

Specified by:

getDistToNeighborInDir in interface ISextanteRasterLayer

getUnitDistToNeighborInDir

public static double getUnitDistToNeighborInDir(int iDir)

getDirToNextDownslopeCell

public int getDirToNextDownslopeCell(int x,
                                     int y)

Specified by:

getDirToNextDownslopeCell in interface ISextanteRasterLayer

getDirToNextDownslopeCell

public int getDirToNextDownslopeCell(int x,
                                     int y,
                                     boolean bForceDirToNoDataCell)

Specified by:

getDirToNextDownslopeCell in interface ISextanteRasterLayer

toString

public String toString()

Overrides:

toString in class Object