mil.nga.geopackage.extension.elevation

Class ElevationPngImage

java.lang.Object

mil.nga.geopackage.extension.elevation.ElevationPngImage

All Implemented Interfaces:

ElevationImage

public class ElevationPngImage
extends Object
implements ElevationImage

Elevation image, stores the tile row image

Since:

1.3.1

Constructor Summary

Constructors

Constructor and Description
ElevationPngImage(ImageInfo imageInfo) Constructor, used for writing a PNG
ElevationPngImage(TileRow tileRow) Constructor, used for reading a PNG

Method Summary

Modifier and Type	Method and Description
void	flushStream() Flush the output stream and set the image bytes, close the stream
int	getHeight()
byte[]	getImageBytes() Get the image bytes
int	getPixel(int x, int y) Get the pixel at the coordinate
PngReaderInt	getReader() Get the PNG reader
int	getWidth()
PngWriter	getWriter() Get the PNG writer

Methods inherited from class java.lang.Object

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

Constructor Detail

ElevationPngImage

public ElevationPngImage(TileRow tileRow)

Constructor, used for reading a PNG

Parameters:

tileRow - tile row

ElevationPngImage

public ElevationPngImage(ImageInfo imageInfo)

Constructor, used for writing a PNG

Parameters:

imageInfo -

Method Detail

getImageBytes

public byte[] getImageBytes()

Get the image bytes

Returns:

image bytes

getReader

public PngReaderInt getReader()

Get the PNG reader

Returns:

reader

getWriter

public PngWriter getWriter()

Get the PNG writer

Returns:

writer

getWidth

public int getWidth()

Specified by:

getWidth in interface ElevationImage

getHeight

public int getHeight()

Specified by:

getHeight in interface ElevationImage

flushStream

public void flushStream()

Flush the output stream and set the image bytes, close the stream

getPixel

public int getPixel(int x,
                    int y)

Get the pixel at the coordinate

Parameters:

x - x coordinate

y - y coordinate

Returns:

pixel value