edu.wisc.ssec.mcidas
Class EnhancementTable

java.lang.Object
  edu.wisc.ssec.mcidas.EnhancementTable

public class EnhancementTable
extends Object

Class for reading a McIDAS enhancement table (.ET file). The default constructor creates a grey scale enhancement.

Constructor Summary

EnhancementTable()
Construct an enhancement table with a grey scale enhancement.

EnhancementTable(File file)
Construct an enhancement table from a file object.

EnhancementTable(String source)
Construct an enhancement table from a local disk file or URL.

EnhancementTable(URL url)
Construct an enhancement table from a remote URL object.

Method Summary

int	getIndex(int red, int green, int blue) Look up a unique (hopefully) RGB value and return the index
int[][]	getRGBValues() Retrieve the data values.
static void	main(String[] args) Test by running: java edu.wisc.ssec.mcidas.EnhancementTable _OR_ java edu.wisc.ssec.mcidas.EnhancementTable enhancement_file.
String	toString() Print out a pretty table.

Methods inherited from class java.lang.Object

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

Constructor Detail

EnhancementTable

public EnhancementTable()

Construct an enhancement table with a grey scale enhancement.

EnhancementTable

public EnhancementTable(String source)
                 throws McIDASException

Construct an enhancement table from a local disk file or URL.

Parameters:

source - source of the enhancement table (path or URL)

Throws:

McIDASException - error finding or reading the source.

EnhancementTable

public EnhancementTable(File file)
                 throws McIDASException

Construct an enhancement table from a file object.

Parameters:

file - file object representing the enhancement table.

Throws:

McIDASException - error finding or reading the file.

EnhancementTable

public EnhancementTable(URL url)
                 throws McIDASException

Construct an enhancement table from a remote URL object.

Parameters:

url - URL representing the enhancement table.

Throws:

McIDASException - error finding or reading the URL.

Method Detail

getRGBValues

public int[][] getRGBValues()

Retrieve the data values.

Returns:

integer array [3][256] of red, green, blue values or null if the table was not initialized correctly. Values range from 0-255.

getIndex

public int getIndex(int red,
                    int green,
                    int blue)

Look up a unique (hopefully) RGB value and return the index

Returns:

index value (0-255) or -1 if not found

toString

public String toString()

Print out a pretty table. Currently lists all values, but will eventually print a format like EU TABLE.

Overrides:

toString in class Object

Returns:

table of levels, red, green and blue values

main

public static void main(String[] args)

Test by running:

• java edu.wisc.ssec.mcidas.EnhancementTable _OR_
• java edu.wisc.ssec.mcidas.EnhancementTable enhancement_file.