Package mil.nga.geopackage.extension.coverage

Class CoverageDataPng

java.lang.Object

mil.nga.geopackage.extension.BaseExtension

mil.nga.geopackage.extension.coverage.CoverageDataCore<TImage>

mil.nga.geopackage.extension.coverage.CoverageData<CoverageDataPngImage>

mil.nga.geopackage.extension.coverage.CoverageDataPng

public class CoverageDataPng
extends CoverageData<CoverageDataPngImage>

Tiled Gridded Coverage Data, PNG Encoding, Extension

Since:

2.0.1

Field Summary

Fields inherited from class mil.nga.geopackage.extension.coverage.CoverageData

tileDao

Fields inherited from class mil.nga.geopackage.extension.coverage.CoverageDataCore

algorithm, coverageBoundingBox, coverageProjection, encoding, EXTENSION_AUTHOR, EXTENSION_DEFINITION, EXTENSION_NAME, EXTENSION_NAME_NO_AUTHOR, GRIDDED_COVERAGE, height, requestProjection, sameProjection, width, zoomIn, zoomInBeforeOut, zoomOut

Fields inherited from class mil.nga.geopackage.extension.BaseExtension

extensionsDao, geoPackage

Constructor Summary

Constructors

Constructor	Description
CoverageDataPng(GeoPackage geoPackage, TileDao tileDao)	Constructor, use the coverage data tables pixel tile size as the request size width and height
CoverageDataPng(GeoPackage geoPackage, TileDao tileDao, Integer width, Integer height, Projection requestProjection)	Constructor
CoverageDataPng(GeoPackage geoPackage, TileDao tileDao, Projection requestProjection)	Constructor, use the coverage data tables pixel tile size as the request size width and height, request as the specified projection

Method Summary

Modifier and Type	Method	Description
CoverageDataPngImage	createImage(int tileWidth, int tileHeight)	Create a new 16 bit single channel image
CoverageDataPngImage	createImage(TileRow tileRow)	Create a coverage data image
static CoverageDataPng	createTileTable(GeoPackage geoPackage, TileTableMetadata metadata)	Create the coverage data tile table with metadata and extension
CoverageDataPngImage	drawTile(int[][] unsignedPixelValues)	Draw a coverage data image tile from the double array of unsigned 16 bit integer pixel values formatted as int[row][width]
CoverageDataPngImage	drawTile(int[] unsignedPixelValues, int tileWidth, int tileHeight)	Draw a coverage data image tile from the flat array of unsigned 16 bit integer pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x
CoverageDataPngImage	drawTile(short[][] pixelValues)	Draw a coverage data tile from the double array of "unsigned short" pixel values formatted as short[row][width]
CoverageDataPngImage	drawTile(short[] pixelValues, int tileWidth, int tileHeight)	Draw a coverage data image tile from the flat array of "unsigned short" pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x
CoverageDataPngImage	drawTile(GriddedTile griddedTile, Double[][] values)	Draw a coverage data image tile from the double array of unsigned coverage data values formatted as Double[row][width]
CoverageDataPngImage	drawTile(GriddedTile griddedTile, Double[] values, int tileWidth, int tileHeight)	Draw a coverage data image tile from the flat array of coverage data values of length tileWidth * tileHeight where each coverage data value is at: (y * tileWidth) + x
byte[]	drawTileData(int[][] unsignedPixelValues)	Draw a coverage data image tile and format as PNG bytes from the double array of unsigned 16 bit integer pixel values formatted as int[row][width]
byte[]	drawTileData(int[] unsignedPixelValues, int tileWidth, int tileHeight)	Draw a coverage data image tile and format as PNG bytes from the flat array of unsigned 16 bit integer pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x
byte[]	drawTileData(short[][] pixelValues)	Draw a coverage data tile and format as PNG bytes from the double array of "unsigned short" pixel values formatted as short[row][width]
byte[]	drawTileData(short[] pixelValues, int tileWidth, int tileHeight)	Draw a coverage data image tile and format as PNG bytes from the flat array of "unsigned short" pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x
byte[]	drawTileData(GriddedTile griddedTile, Double[][] values)	Draw a coverage data image tile and format as TIFF bytes from the double array of coverage data values formatted as Double[row][width]
byte[]	drawTileData(GriddedTile griddedTile, Double[] values, int tileWidth, int tileHeight)	Draw a coverage data image tile and format as TIFF bytes from the flat array of coverage data values of length tileWidth * tileHeight where each coverage data value is at: (y * tileWidth) + x
int	getPixelValue(byte[] imageBytes, int x, int y)	Get the pixel value as a 16 bit unsigned integer value
int[]	getPixelValues(byte[] imageBytes)	Get the pixel values of the image as 16 bit unsigned integer values
Double	getValue(GriddedTile griddedTile, byte[] imageBytes, int x, int y)	Get the coverage data value
Double	getValue(GriddedTile griddedTile, CoverageDataPngImage image, int x, int y)
double	getValue(GriddedTile griddedTile, TileRow tileRow, int x, int y)	Get the coverage data value of the pixel in the tile row image
Double[]	getValues(GriddedTile griddedTile, byte[] imageBytes)	Get the coverage data values
void	setPixelValue(int[] row, int x, int unsignedPixelValue)	Set the pixel value
void	setPixelValue(int[] row, int x, short pixelValue)	Set the pixel value
void	setPixelValue(ImageLineInt row, int x, int unsignedPixelValue)	Set the pixel value
void	setPixelValue(ImageLineInt row, int x, short pixelValue)	Set the pixel value
static void	validateImageType(PngReader reader)	Validate that the image type is single channel 16 bit

Methods inherited from class mil.nga.geopackage.extension.coverage.CoverageData

createTileTable, getCoverageData, getCoverageData, getCoverageData, getTileDao, getValue, getValues, getValuesUnbounded

Methods inherited from class mil.nga.geopackage.extension.coverage.CoverageDataCore

createGriddedCoverageTable, createGriddedTileTable, createTileTable, formatUnboundedResults, getAlgorithm, getBicubicInterpolationValue, getBicubicInterpolationValue, getBicubicInterpolationValue, getBilinearInterpolationValue, getBilinearInterpolationValue, getBilinearInterpolationValue, getBilinearInterpolationValue, getCoverageBoundingBox, getCoverageProjection, getCubicInterpolationValue, getCubicInterpolationValue, getDataNull, getEncoding, getFloatPixelValue, getGriddedCoverage, getGriddedCoverageDao, getGriddedCoverageDao, getGriddedCoverageDao, getGriddedTile, getGriddedTile, getGriddedTileDao, getGriddedTileDao, getGriddedTileDao, getHeight, getNearestNeighbors, getNearestNeighborValue, getOrCreate, getPixelValue, getPixelValue, getPixelValue, getPixelValue, getRequestProjection, getTables, getTileMatrixSet, getUnsignedPixelValue, getUnsignedPixelValue, getUnsignedPixelValue, getUnsignedPixelValue, getUnsignedPixelValues, getValue, getValue, getValue, getValue, getValues, getValues, getValues, getValues, getValues, getValues, getValuesUnbounded, getWidth, getXSource, getXSourceMinAndMax, getYSource, getYSourceMinAndMax, has, isDataNull, isSameProjection, isZoomIn, isZoomInBeforeOut, isZoomOut, padBoundingBox, queryGriddedCoverage, reprojectCoverageData, setAlgorithm, setEncoding, setHeight, setWidth, setZoomIn, setZoomInBeforeOut, setZoomOut

Methods inherited from class mil.nga.geopackage.extension.BaseExtension

createDao, get, getExtensions, getExtensions, getExtensionsDao, getGeoPackage, getOrCreate, has, has, has, verifyWritable

Methods inherited from class java.lang.Object

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

Constructor Detail

CoverageDataPng

public CoverageDataPng(GeoPackage geoPackage,
                       TileDao tileDao,
                       Integer width,
                       Integer height,
                       Projection requestProjection)

Constructor

Parameters:

geoPackage - GeoPackage

tileDao - tile dao

width - coverage data response width

height - coverage data response height

requestProjection - request projection

CoverageDataPng

public CoverageDataPng(GeoPackage geoPackage,
                       TileDao tileDao)

Constructor, use the coverage data tables pixel tile size as the request size width and height

Parameters:

geoPackage - GeoPackage

tileDao - tile dao

CoverageDataPng

public CoverageDataPng(GeoPackage geoPackage,
                       TileDao tileDao,
                       Projection requestProjection)

Constructor, use the coverage data tables pixel tile size as the request size width and height, request as the specified projection

Parameters:

geoPackage - GeoPackage

tileDao - tile dao

requestProjection - request projection

Method Detail

createImage

public CoverageDataPngImage createImage(TileRow tileRow)

Create a coverage data image

Specified by:

createImage in class CoverageData<CoverageDataPngImage>

Parameters:

tileRow - tile row

Returns:

image

getValue

public double getValue(GriddedTile griddedTile,
                       TileRow tileRow,
                       int x,
                       int y)

Get the coverage data value of the pixel in the tile row image

Specified by:

getValue in class CoverageData<CoverageDataPngImage>

Parameters:

griddedTile - gridded tile

tileRow - tile row

x - x coordinate

y - y coordinate

Returns:

coverage data value

getValue

public Double getValue(GriddedTile griddedTile,
                       CoverageDataPngImage image,
                       int x,
                       int y)

Specified by:

getValue in class CoverageDataCore<CoverageDataPngImage>

getPixelValue

public int getPixelValue(byte[] imageBytes,
                         int x,
                         int y)

Get the pixel value as a 16 bit unsigned integer value

Parameters:

imageBytes - image bytes

x - x coordinate

y - y coordinate

Returns:

pixel value

getPixelValues

public int[] getPixelValues(byte[] imageBytes)

Get the pixel values of the image as 16 bit unsigned integer values

Parameters:

imageBytes - image bytes

Returns:

16 bit unsigned integer pixel values

validateImageType

public static void validateImageType(PngReader reader)

Validate that the image type is single channel 16 bit

Parameters:

reader - png reader

getValue

public Double getValue(GriddedTile griddedTile,
                       byte[] imageBytes,
                       int x,
                       int y)

Get the coverage data value

Specified by:

getValue in class CoverageData<CoverageDataPngImage>

Parameters:

griddedTile - gridded tile

imageBytes - image bytes

x - x coordinate

y - y coordinate

Returns:

coverage data value

getValues

public Double[] getValues(GriddedTile griddedTile,
                          byte[] imageBytes)

Get the coverage data values

Specified by:

getValues in class CoverageData<CoverageDataPngImage>

Parameters:

griddedTile - gridded tile

imageBytes - image bytes

Returns:

coverage data values

drawTile

public CoverageDataPngImage drawTile(short[] pixelValues,
                                     int tileWidth,
                                     int tileHeight)

Draw a coverage data image tile from the flat array of "unsigned short" pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x

Parameters:

pixelValues - "unsigned short" pixel values of length tileWidth * tileHeight

tileWidth - tile width

tileHeight - tile height

Returns:

coverage data image tile

drawTileData

public byte[] drawTileData(short[] pixelValues,
                           int tileWidth,
                           int tileHeight)

Draw a coverage data image tile and format as PNG bytes from the flat array of "unsigned short" pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x

Parameters:

pixelValues - "unsigned short" pixel values of length tileWidth * tileHeight

tileWidth - tile width

tileHeight - tile height

Returns:

coverage data image tile bytes

drawTile

public CoverageDataPngImage drawTile(short[][] pixelValues)

Draw a coverage data tile from the double array of "unsigned short" pixel values formatted as short[row][width]

Parameters:

pixelValues - "unsigned short" pixel values as [row][width]

Returns:

coverage data image tile

drawTileData

public byte[] drawTileData(short[][] pixelValues)

Draw a coverage data tile and format as PNG bytes from the double array of "unsigned short" pixel values formatted as short[row][width]

Parameters:

pixelValues - "unsigned short" pixel values as [row][width]

Returns:

coverage data image tile bytes

drawTile

public CoverageDataPngImage drawTile(int[] unsignedPixelValues,
                                     int tileWidth,
                                     int tileHeight)

Draw a coverage data image tile from the flat array of unsigned 16 bit integer pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x

Parameters:

unsignedPixelValues - unsigned 16 bit integer pixel values of length tileWidth * tileHeight

tileWidth - tile width

tileHeight - tile height

Returns:

coverage data image tile

drawTileData

public byte[] drawTileData(int[] unsignedPixelValues,
                           int tileWidth,
                           int tileHeight)

Draw a coverage data image tile and format as PNG bytes from the flat array of unsigned 16 bit integer pixel values of length tileWidth * tileHeight where each pixel is at: (y * tileWidth) + x

Parameters:

unsignedPixelValues - unsigned 16 bit integer pixel values of length tileWidth * tileHeight

tileWidth - tile width

tileHeight - tile height

Returns:

coverage data image tile bytes

drawTile

public CoverageDataPngImage drawTile(int[][] unsignedPixelValues)

Draw a coverage data image tile from the double array of unsigned 16 bit integer pixel values formatted as int[row][width]

Parameters:

unsignedPixelValues - unsigned 16 bit integer pixel values as [row][width]

Returns:

coverage data image tile

drawTileData

public byte[] drawTileData(int[][] unsignedPixelValues)

Draw a coverage data image tile and format as PNG bytes from the double array of unsigned 16 bit integer pixel values formatted as int[row][width]

Parameters:

unsignedPixelValues - unsigned 16 bit integer pixel values as [row][width]

Returns:

coverage data image tile bytes

drawTile

public CoverageDataPngImage drawTile(GriddedTile griddedTile,
                                     Double[] values,
                                     int tileWidth,
                                     int tileHeight)

Draw a coverage data image tile from the flat array of coverage data values of length tileWidth * tileHeight where each coverage data value is at: (y * tileWidth) + x

Parameters:

griddedTile - gridded tile

values - coverage data values of length tileWidth * tileHeight

tileWidth - tile width

tileHeight - tile height

Returns:

coverage data image tile

drawTileData

public byte[] drawTileData(GriddedTile griddedTile,
                           Double[] values,
                           int tileWidth,
                           int tileHeight)

Draw a coverage data image tile and format as TIFF bytes from the flat array of coverage data values of length tileWidth * tileHeight where each coverage data value is at: (y * tileWidth) + x

Specified by:

drawTileData in class CoverageData<CoverageDataPngImage>

Parameters:

griddedTile - gridded tile

values - coverage data values of length tileWidth * tileHeight

tileWidth - tile width

tileHeight - tile height

Returns:

coverage data image tile bytes

drawTile

public CoverageDataPngImage drawTile(GriddedTile griddedTile,
                                     Double[][] values)

Draw a coverage data image tile from the double array of unsigned coverage data values formatted as Double[row][width]

Parameters:

griddedTile - gridded tile

values - coverage data values as [row][width]

Returns:

coverage data image tile

drawTileData

public byte[] drawTileData(GriddedTile griddedTile,
                           Double[][] values)

Draw a coverage data image tile and format as TIFF bytes from the double array of coverage data values formatted as Double[row][width]

Specified by:

drawTileData in class CoverageData<CoverageDataPngImage>

Parameters:

griddedTile - gridded tile

values - coverage data values as [row][width]

Returns:

coverage data image tile bytes

createImage

public CoverageDataPngImage createImage(int tileWidth,
                                        int tileHeight)

Create a new 16 bit single channel image

Parameters:

tileWidth - tile width

tileHeight - tile height

Returns:

image

setPixelValue

public void setPixelValue(ImageLineInt row,
                          int x,
                          short pixelValue)

Set the pixel value

Parameters:

row - image line row

x - x coordinate

pixelValue - pixel value

setPixelValue

public void setPixelValue(int[] row,
                          int x,
                          short pixelValue)

Set the pixel value

Parameters:

row - row array

x - x coordinate

pixelValue - pixel value

setPixelValue

public void setPixelValue(ImageLineInt row,
                          int x,
                          int unsignedPixelValue)

Set the pixel value

Parameters:

row - image line row

x - x coordinate

unsignedPixelValue - unsigned pixel value

setPixelValue

public void setPixelValue(int[] row,
                          int x,
                          int unsignedPixelValue)

Set the pixel value

Parameters:

row - row array

x - x coordinate

unsignedPixelValue - unsigned pixel value

createTileTable

public static CoverageDataPng createTileTable(GeoPackage geoPackage,
                                              TileTableMetadata metadata)

Create the coverage data tile table with metadata and extension

Parameters:

geoPackage - GeoPackage

metadata - tile table metadata

Returns:

coverage data

Since:

4.0.0