org.deegree.io.ecwapi
Class ECWReader

java.lang.Object
  org.deegree.io.ecwapi.ECWReader

public class ECWReader
extends java.lang.Object

ECWReader.java

Version:

1.0 2003-11-06

Author:

Herman Assink, last edited by: $Author: aschmitz $

Constructor Summary

ECWReader(java.lang.String fileName)
read part from ECW-file which falls within env and return this part dimenions width and height

Method Summary

void	close() Free the memory of the image cache
java.awt.image.BufferedImage	getBufferedImage(Envelope env, int width, int height) read part from ECW-file which falls within env and return this part as BufferedImage with dimenions width and height
int	getHeight() retuns the height of the entire image encapsulated in the ECW file
int	getWidth() retuns the width of the entire image encapsulated in the ECW file
static void	useECWCache(boolean Use) Decide, if to use the cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

ECWReader

public ECWReader(java.lang.String fileName)
          throws com.ermapper.ecw.JNCSException

read part from ECW-file which falls within env and return this part dimenions width and height

Parameters:

fileName - full pathname of the ECW-file

Throws:

com.ermapper.ecw.JNCSException

Method Detail

useECWCache

public static void useECWCache(boolean Use)

Decide, if to use the cache.

Default is TRUE.

close

public void close()

Free the memory of the image cache

getWidth

public int getWidth()

retuns the width of the entire image encapsulated in the ECW file

Returns:

width of the image

getHeight

public int getHeight()

retuns the height of the entire image encapsulated in the ECW file

Returns:

height of the image

getBufferedImage

public java.awt.image.BufferedImage getBufferedImage(Envelope env,
                                                     int width,
                                                     int height)
                                              throws com.ermapper.ecw.JNCSException

read part from ECW-file which falls within env and return this part as BufferedImage with dimenions width and height

Parameters:

env - bounding box in world coordinates of requested part

width - width of the returned image

height - height of the returned image

Throws:

com.ermapper.ecw.JNCSException