org.geotools.gce.arcgrid
Class GRASSArcGridRaster

java.lang.Object
  org.geotools.gce.arcgrid.ArcGridRaster
      org.geotools.gce.arcgrid.GRASSArcGridRaster

public class GRASSArcGridRaster

extends ArcGridRaster

ArcGridRaster sub-instance that handles the "ArcGrid" format that GRASS outputs (a variation of the original format...)

Author:

aaime, Simone Giannecchini (simboss)

Field Summary

static java.lang.String	COLS Column number tag in the header file
static java.lang.String	EAST y corner coordinate tag in the header file
static java.lang.String	NO_DATA_MARKER
static java.lang.String	NORTH x corner coordinate tag in the header file
static java.lang.String	ROWS Row number tag in the header file
static java.lang.String	SOUTH y corner coordinate tag in the header file
static java.lang.String	WEST y corner coordinate tag in the header file

Fields inherited from class org.geotools.gce.arcgrid.ArcGridRaster

cellSize, CELLSIZE, maxValue, minValue, nCols, NCOLS, noData, NODATA_VALUE, nRows, NROWS, xllCorner, XLLCORNER, yllCorner, YLLCORNER

Constructor Summary

GRASSArcGridRaster(java.io.PrintWriter writer)

GRASSArcGridRaster(java.io.Reader reader, boolean compress)

GRASSArcGridRaster(java.net.URL srcURL)
Creates a new instance of ArcGridRaster

Method Summary

protected void	parseHeader(java.io.StreamTokenizer st) Parse the header of an ascii grid file.
java.awt.image.WritableRaster	readRaster() Returns the WritableRaster of the raster
void	writeRaster(java.awt.image.Raster raster, double xl, double yl, double cellsize, boolean compress) Write out the given raster.

Methods inherited from class org.geotools.gce.arcgrid.ArcGridRaster

getCellSize, getMaxValue, getMinValue, getNCols, getNoData, getNRows, getXlCorner, getYlCorner, openReader, openWriter, parseHeader, readHeaderDouble, spaces, toString

Methods inherited from class java.lang.Object

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

Field Detail

COLS

public static final java.lang.String COLS

Column number tag in the header file

See Also:

Constant Field Values

ROWS

public static final java.lang.String ROWS

Row number tag in the header file

See Also:

Constant Field Values

NORTH

public static final java.lang.String NORTH

x corner coordinate tag in the header file

See Also:

Constant Field Values

SOUTH

public static final java.lang.String SOUTH

y corner coordinate tag in the header file

See Also:

Constant Field Values

EAST

public static final java.lang.String EAST

y corner coordinate tag in the header file

See Also:

Constant Field Values

WEST

public static final java.lang.String WEST

y corner coordinate tag in the header file

See Also:

Constant Field Values

NO_DATA_MARKER

public static final java.lang.String NO_DATA_MARKER

See Also:

Constant Field Values

Constructor Detail

GRASSArcGridRaster

public GRASSArcGridRaster(java.net.URL srcURL)
                   throws java.io.IOException

Creates a new instance of ArcGridRaster

Parameters:

srcURL - URL of a ArcGridRaster

Throws:

java.io.IOException - DOCUMENT ME!

GRASSArcGridRaster

public GRASSArcGridRaster(java.io.Reader reader,
                          boolean compress)
                   throws java.io.IOException

GRASSArcGridRaster

public GRASSArcGridRaster(java.io.PrintWriter writer)
                   throws java.io.IOException

Method Detail

parseHeader

protected void parseHeader(java.io.StreamTokenizer st)
                    throws java.io.IOException

Description copied from class: ArcGridRaster

Parse the header of an ascii grid file.

Overrides:

parseHeader in class ArcGridRaster

Parameters:

st - StringTokenizer to be used to parse this header.

Throws:

java.io.IOException

readRaster

public java.awt.image.WritableRaster readRaster()
                                         throws java.io.IOException

Returns the WritableRaster of the raster

Overrides:

readRaster in class ArcGridRaster

Returns:

RenderedImage

Throws:

java.io.IOException - DOCUMENT ME!

writeRaster

public void writeRaster(java.awt.image.Raster raster,
                        double xl,
                        double yl,
                        double cellsize,
                        boolean compress)
                 throws java.io.IOException

Write out the given raster.

Overrides:

writeRaster in class ArcGridRaster

Parameters:

raster - DOCUMENT ME!

xl - DOCUMENT ME!

yl - DOCUMENT ME!

cellsize - DOCUMENT ME!

compress - DOCUMENT ME!

Throws:

java.io.IOException - DOCUMENT ME!