Package org.openjump.core.ui.plugin.raster

Class RasterImageLayerProperties

java.lang.Object

org.openjump.core.ui.plugin.raster.RasterImageLayerProperties

public class RasterImageLayerProperties
extends Object

Constructor Summary

Constructors

Constructor	Description
RasterImageLayerProperties()

Method Summary

Modifier and Type	Method	Description
static double	cellSizeX(Raster raster, org.locationtech.jts.geom.Envelope env)	Gets the cell size along X as Double
static double	cellSizeY(Raster raster, org.locationtech.jts.geom.Envelope env)	Gets the cell size along Y as double
static String	getColorDepth(Raster raster, File file)	Gets color depth as String It first check into the Raster otherwise uses first Commons Imaging then ImageIO to check into the file
static String	getDataType(Raster raster)	Gets data type as String
static String	getDPI(Raster raster, File file)	Gets BPP (bits per pixel), first check into the raster then into the file using Commons Imaging
static String	getFileExtension(RasterImageLayer layer)	Return the extension of the file as String
static long	getFileSizeBytes(RasterImageLayer layer)	Gets dimension of RasterImageLayer in long
static String	getFileSizeMegaBytes(long bytes)	Converts bytes to multiple (Kilo, Mega, Giga-bytes according to the dimension of the file.
static int	getNodataCellNumber(Raster raster, double nodata)	Count the number of cells in a Raster of a specific double value and return as int.
static int	getNumColumns(Raster raster)	Gets the number of column in a Raster as int
static int	getNumRows(Raster raster)	Gets number of rows as int
static int	getValidCellsNumber(Raster raster, double nodata)	Count the number of cells in a Raster excluding the ones of a specific double value and return as int.
static String	numBands(RasterImageLayer layer)	Gets the number of bands from A RasterImageLayer as String

Methods inherited from class java.lang.Object

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

Constructor Detail

RasterImageLayerProperties

public RasterImageLayerProperties()

Method Detail

getFileSizeMegaBytes

public static String getFileSizeMegaBytes(long bytes)

Converts bytes to multiple (Kilo, Mega, Giga-bytes according to the dimension of the file. Return as String

Parameters:

bytes - as long

Returns:

java.lang.String

getFileSizeBytes

public static long getFileSizeBytes(RasterImageLayer layer)

Gets dimension of RasterImageLayer in long

Parameters:

layer - a RasterImageLayer

Returns:

the size of the file containing the image

getFileExtension

public static String getFileExtension(RasterImageLayer layer)

Return the extension of the file as String

Parameters:

layer - a RasterImageLayer

Returns:

the file extension as String

numBands

public static String numBands(RasterImageLayer layer)

Gets the number of bands from A RasterImageLayer as String

Parameters:

layer - a RasterImageLayer

Returns:

the number of bands as a String

getDataType

public static String getDataType(Raster raster)
                          throws IOException

Gets data type as String

Parameters:

raster - a java.awt.image.Raster

Returns:

the data type as a String

Throws:

IOException - never

getColorDepth

public static String getColorDepth(Raster raster,
                                   File file)
                            throws IOException

Gets color depth as String It first check into the Raster otherwise uses first Commons Imaging then ImageIO to check into the file

Parameters:

raster - a java.awt.image.Raster

file - the File containing the image

Returns:

the color depth as a String

Throws:

IOException - if an IOException occurs during file I/O

getDPI

public static String getDPI(Raster raster,
                            File file)
                     throws IOException

Gets BPP (bits per pixel), first check into the raster then into the file using Commons Imaging

Parameters:

raster - the java.awt.image.Raster

file - the File containing the image

Returns:

the number of bits per pixel as a String

Throws:

IOException - if an IOException occurs during file I/O

cellSizeX

public static double cellSizeX(Raster raster,
                               org.locationtech.jts.geom.Envelope env)
                        throws IOException

Gets the cell size along X as Double

Parameters:

raster - the java.awt.image.Raster

env - image Envelope

Returns:

pixel width as a double

Throws:

IOException - never

cellSizeY

public static double cellSizeY(Raster raster,
                               org.locationtech.jts.geom.Envelope env)
                        throws IOException

Gets the cell size along Y as double

Parameters:

raster - the java.awt.image.Raster

env - the Envelope

Returns:

pixel height as a double

Throws:

IOException - never

getNumColumns

public static int getNumColumns(Raster raster)
                         throws IOException

Gets the number of column in a Raster as int

Parameters:

raster - the java.awt.image.Raster

Returns:

the number of columns

Throws:

IOException - never

getNumRows

public static int getNumRows(Raster raster)
                      throws IOException

Gets number of rows as int

Parameters:

raster - the java.awt.image.Raster

Returns:

the number of rows

Throws:

IOException - never

getNodataCellNumber

public static int getNodataCellNumber(Raster raster,
                                      double nodata)
                               throws IOException,
                                      RasterImageLayer.RasterDataNotFoundException

Count the number of cells in a Raster of a specific double value and return as int.

Parameters:

raster - the java.awt.image.Raster

nodata - the value meaning "no data"

Returns:

the number of nodata cells

Throws:

IOException - if an IOException occurs during I/O

RasterImageLayer.RasterDataNotFoundException - if an error occurs accessing raster data

getValidCellsNumber

public static int getValidCellsNumber(Raster raster,
                                      double nodata)
                               throws IOException,
                                      RasterImageLayer.RasterDataNotFoundException

Count the number of cells in a Raster excluding the ones of a specific double value and return as int.

Parameters:

raster - the java.awt.image.Raster

nodata - the value meaning "no data"

Returns:

the number of valid cells (different from no data)

Throws:

IOException - if an IOException occurs during I/O

RasterImageLayer.RasterDataNotFoundException - if an error occurs accessing raster data