net.aerith.misao.image.io
Class FitsHeader

java.lang.Object
  |
  +--net.aerith.misao.image.io.FitsHeader

public class FitsHeader

extends java.lang.Object

The FitsHeader represents the keys and values of the FITS header.

Field Summary

protected java.lang.String	header_string The header string.
protected java.util.Properties	properties The hash table of FITS header keys.

Constructor Summary

protected	FitsHeader() Constructs an empty FitsHeader.
	FitsHeader(MonoImage image) Constructs a simple FitsHeader of the specified image.

Method Summary

java.lang.String	getProperty(java.lang.String key) Gets the value of the specified key.
static FitsHeader	read(java.io.DataInput input) Reads the header of FITS file and creates a new FitsHeader.
void	write(java.io.DataOutput output) Writes the FITS header.

Methods inherited from class java.lang.Object

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

Field Detail

header_string

protected java.lang.String header_string

The header string.

properties

protected java.util.Properties properties

The hash table of FITS header keys.

Constructor Detail

FitsHeader

protected FitsHeader()

Constructs an empty FitsHeader.

FitsHeader

public FitsHeader(MonoImage image)
           throws UnsupportedBufferTypeException

Constructs a simple FitsHeader of the specified image. The type of FITS file is properly determined based on the buffer type. It only supports BITPIX 8, 16 and 32 bits images.

Parameters:

image - the image.

Throws:

UnsupportedBufferTypeException - if the data type is unsupported.

Method Detail

getProperty

public java.lang.String getProperty(java.lang.String key)

Gets the value of the specified key.

Parameters:

key - the key.

Returns:

the value of the specified key.

read

public static FitsHeader read(java.io.DataInput input)
                       throws java.io.IOException

Reads the header of FITS file and creates a new FitsHeader.

Parameters:

input - the stream for data input.

Returns:

the FITS header.

Throws:

java.io.IOException - if I/O error occurs.

write

public void write(java.io.DataOutput output)
           throws java.io.IOException

Writes the FITS header.

Parameters:

output - the output target.

Throws:

java.io.IOException - if I/O error occurs.