Package org.geotools.mbtiles.mosaic
Class MBTilesReader
- Object
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- AbstractGridCoverage2DReader
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- MBTilesReader
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- All Implemented Interfaces:
GridCoverageReader
,GridCoverage2DReader
public class MBTilesReader extends AbstractGridCoverage2DReader
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Field Summary
Fields Modifier and Type Field Description protected ReferencedEnvelope
bounds
protected static int
DEFAULT_TILE_SIZE
protected MBTilesMetadata
metadata
protected File
sourceFile
protected static int
ZOOM_LEVEL_BASE
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Fields inherited from class AbstractGridCoverage2DReader
closeMe, coverageFactory, coverageName, crs, dtLayout, EPS, gzipped, highestRes, hints, inStream, inStreamSPI, numOverviews, offsets, originalEnvelope, originalGridRange, overViewResolutions, raster2Model, scales, source
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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, PAM_DATASET, REPROJECTING_READER, SOURCE_URL_PROPERTY, TIME_DOMAIN, TIME_DOMAIN_MAXIMUM, TIME_DOMAIN_MINIMUM, TIME_DOMAIN_RESOLUTION
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Constructor Summary
Constructors Constructor Description MBTilesReader(Object source, Hints hints)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Format
getFormat()
Returns the format handled by thisGridCoverageReader
.protected BufferedImage
getStartImage(int width, int height)
protected BufferedImage
getStartImage(int imageType, int width, int height)
protected BufferedImage
getStartImage(BufferedImage copyFrom, int width, int height)
GridCoverage2D
read(GeneralParameterValue[] parameters)
Read the current grid coverage from the stream.protected static BufferedImage
readImage(byte[] data, String format)
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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, getHighestRes, getImageLayout, getImageLayout, getInfo, getInfo, getMetadataNames, getMetadataNames, getMetadataValue, getMetadataValue, getMultiLevelROIProvider, getOriginalEnvelope, getOriginalEnvelope, getOriginalGridRange, getOriginalGridRange, getOriginalGridToWorld, getOriginalGridToWorld, getOverviewGridEnvelope, getOverviewGridEnvelope, getPamDataset, getPamDataset, getReadingResolutions, getReadingResolutions, getRescaledRasterToModel, getResolution, getResolutionLevels, getResolutionLevels, getSibling, getSource, getSourceAsFile, read, setlayout, setLayout, setReadParams, setReadParams
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Field Detail
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DEFAULT_TILE_SIZE
protected static final int DEFAULT_TILE_SIZE
- See Also:
- Constant Field Values
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ZOOM_LEVEL_BASE
protected static final int ZOOM_LEVEL_BASE
- See Also:
- Constant Field Values
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metadata
protected MBTilesMetadata metadata
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bounds
protected ReferencedEnvelope bounds
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sourceFile
protected File sourceFile
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Constructor Detail
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MBTilesReader
public MBTilesReader(Object source, Hints hints) throws IOException
- Throws:
IOException
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Method Detail
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getFormat
public Format getFormat()
Description copied from interface:GridCoverageReader
Returns the format handled by thisGridCoverageReader
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read
public GridCoverage2D read(GeneralParameterValue[] parameters) throws IllegalArgumentException, IOException
Description copied from class:AbstractGridCoverage2DReader
Read the current grid coverage from the stream.Example:
- Specified by:
read
in interfaceGridCoverage2DReader
- Specified by:
read
in interfaceGridCoverageReader
- Specified by:
read
in classAbstractGridCoverage2DReader
- Parameters:
parameters
- Optional parameters matchingFormat.getReadParameters()
.- Returns:
- a grid coverage from the input source.
- Throws:
InvalidParameterNameException
- if a parameter inparameters
doesn't have a recognized name.InvalidParameterValueException
- if a parameter inparameters
doesn't have a valid value.ParameterNotFoundException
- if a parameter was required for the operation but was not provided in theparameters
list.IOException
- if a read operation failed for some other input/output reason, includingFileNotFoundException
if no file with the givenname
can be found, orIIOException
if an error was thrown by the underlying image library.IllegalArgumentException
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readImage
protected static BufferedImage readImage(byte[] data, String format) throws IOException
- Throws:
IOException
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getStartImage
protected BufferedImage getStartImage(BufferedImage copyFrom, int width, int height)
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getStartImage
protected BufferedImage getStartImage(int imageType, int width, int height)
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getStartImage
protected BufferedImage getStartImage(int width, int height)
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