org.geotools.tpk

Class TPKReader

Object

AbstractGridCoverage2DReader

TPKReader

All Implemented Interfaces:

GridCoverage2DReader, GridCoverageReader

public class TPKReader
extends AbstractGridCoverage2DReader

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TPKReader.ImageFormats

Field Summary

Fields

Modifier and Type	Field and Description
protected ReferencedEnvelope	bounds
protected static int	DEFAULT_TILE_SIZE
protected String	imageFormat
protected File	sourceFile
protected static ReferencedEnvelope	WORLD_ENVELOPE
protected static int	ZOOM_LEVEL_BASE
protected Map<Long,TPKZoomLevel>	zoomLevelMap

Fields inherited from class AbstractGridCoverage2DReader

closeMe, coverageFactory, coverageName, crs, dtLayout, EPS, gzipped, highestRes, hints, inStream, inStreamSPI, numOverviews, offsets, originalEnvelope, originalGridRange, overViewResolutions, raster2Model, scales, source

Fields inherited from interface GridCoverage2DReader

ELEVATION_DOMAIN, ELEVATION_DOMAIN_MAXIMUM, ELEVATION_DOMAIN_MINIMUM, ELEVATION_DOMAIN_RESOLUTION, FILE_SOURCE_PROPERTY, HAS_ELEVATION_DOMAIN, HAS_TIME_DOMAIN, MULTICRS_EPSGCODES, MULTICRS_READER, REPROJECTING_READER, SOURCE_URL_PROPERTY, TIME_DOMAIN, TIME_DOMAIN_MAXIMUM, TIME_DOMAIN_MINIMUM, TIME_DOMAIN_RESOLUTION

Constructor Summary

Constructors

Constructor and Description
TPKReader(Object source, Hints hints)

Method Summary

Modifier and Type	Method and Description
Format	getFormat() Returns the format handled by this GridCoverageReader.
protected BufferedImage	getStartImage(BufferedImage copyFrom, int width, int height)
protected BufferedImage	getStartImage(int width, int height)
protected BufferedImage	getStartImage(int imageType, int width, int height)
GridCoverage2D	read(GeneralParameterValue[] parameters) Read the current grid coverage from the stream.
protected static BufferedImage	readImage(byte[] data, String format)
protected void	setBackground(BufferedImage image, Color bgColor)

Methods inherited from class AbstractGridCoverage2DReader

addAllSiblings, addSiblings, checkName, collectScaleOffset, createImageCoverage, createImageCoverage, createImageCoverage, createImageCoverage, decimationOnReadingControl, dispose, finalize, getCoordinateReferenceSystem, getCoordinateReferenceSystem, getDatasetLayout, getDatasetLayout, getDynamicParameters, getDynamicParameters, getFiles, getGridCoverageCount, getGridCoverageNames, getGroundControlPoints, getGroundControlPoints, getHighestRes, getImageLayout, getImageLayout, getInfo, getInfo, getMetadataNames, getMetadataNames, getMetadataValue, getMetadataValue, getMultiLevelROIProvider, getOriginalEnvelope, getOriginalEnvelope, getOriginalGridRange, getOriginalGridRange, getOriginalGridToWorld, getOriginalGridToWorld, getOverviewGridEnvelope, getOverviewGridEnvelope, getReadingResolutions, getReadingResolutions, getRescaledRasterToModel, getResolution, getResolutionLevels, getResolutionLevels, getSibling, getSource, getSourceAsFile, read, setlayout, setLayout, setReadParams, setReadParams

Methods inherited from class Object

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

Field Detail

WORLD_ENVELOPE

protected static final ReferencedEnvelope WORLD_ENVELOPE

DEFAULT_TILE_SIZE

protected static final int DEFAULT_TILE_SIZE

See Also:

Constant Field Values

ZOOM_LEVEL_BASE

protected static final int ZOOM_LEVEL_BASE

See Also:

Constant Field Values

bounds

protected ReferencedEnvelope bounds

imageFormat

protected String imageFormat

sourceFile

protected File sourceFile

zoomLevelMap

protected Map<Long,TPKZoomLevel> zoomLevelMap

Constructor Detail

TPKReader

public TPKReader(Object source,
                 Hints hints)

Method Detail

getFormat

public Format getFormat()

Description copied from interface: GridCoverageReader

Returns the format handled by this GridCoverageReader.

read

public GridCoverage2D read(GeneralParameterValue[] parameters)
                    throws IllegalArgumentException

Description copied from class: AbstractGridCoverage2DReader

Read the current grid coverage from the stream.

Example:

Specified by:

read in interface GridCoverage2DReader

Specified by:

read in interface GridCoverageReader

Specified by:

read in class AbstractGridCoverage2DReader

Parameters:

parameters - Optional parameters matching Format.getReadParameters().

Returns:

a grid coverage from the input source.

Throws:

InvalidParameterNameException - if a parameter in parameters doesn't have a recognized name.

InvalidParameterValueException - if a parameter in parameters doesn't have a valid value.

ParameterNotFoundException - if a parameter was required for the operation but was not provided in the parameters list.

IllegalArgumentException

readImage

protected static BufferedImage readImage(byte[] data,
                                         String format)
                                  throws IOException

Throws:

IOException

getStartImage

protected BufferedImage getStartImage(BufferedImage copyFrom,
                                      int width,
                                      int height)

getStartImage

protected BufferedImage getStartImage(int imageType,
                                      int width,
                                      int height)

getStartImage

protected BufferedImage getStartImage(int width,
                                      int height)

setBackground

protected void setBackground(BufferedImage image,
                             Color bgColor)