org.deegree.io.arcinfo_raster
Class ArcInfoTextRasterReader

java.lang.Object
  org.deegree.io.arcinfo_raster.ArcInfoTextRasterReader

public class ArcInfoTextRasterReader
extends Object

reads a raster in ArcInfo text format:

  ncols         1600
  nrows         1600
  xllcorner     3540000
  yllcorner     5730000
  cellsize      25
  NODATA_value  -9999
  120.4 132.5 99.9 ... 98.32
  122.5 111.6 110.9 ... 88.77
  ...
  234.23 233.4 265.9 ... 334.7
 

Since:

2.0

Version:

$Revision: 18195 $, 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $

Author:

Andreas Poth, last edited by: $Author: mschneider $

Constructor Summary

ArcInfoTextRasterReader(File file)

ArcInfoTextRasterReader(String fileName)

Method Summary

double	getNoDataValue() returns the value used by a ArcInfo grid to indicate no data values
float[][]	readData() reads data from a ArcInfo Grid text file
WorldFile	readMetadata() reads metadata from a ArcInfo Grid text file

Methods inherited from class java.lang.Object

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

Constructor Detail

ArcInfoTextRasterReader

public ArcInfoTextRasterReader(File file)

Parameters:

file -

ArcInfoTextRasterReader

public ArcInfoTextRasterReader(String fileName)

Parameters:

fileName -

Method Detail

readMetadata

public WorldFile readMetadata()
                       throws IOException

reads metadata from a ArcInfo Grid text file

Returns:

worldfile for the text grid file

Throws:

IOException

getNoDataValue

public double getNoDataValue()
                      throws IOException

returns the value used by a ArcInfo grid to indicate no data values

Returns:

the nodata value

Throws:

IOException

readData

public float[][] readData()
                   throws IOException

reads data from a ArcInfo Grid text file

Returns:

the grid

Throws:

IOException