com.atakmap.android.tilecapture

Class TileCapture

java.lang.Object

com.atakmap.android.tilecapture.reader.DatasetTileReader

com.atakmap.android.tilecapture.TileCapture

All Implemented Interfaces:

BitmapReader

public class TileCapture
extends DatasetTileReader

Reads tiles from a mobile or local tileset with the intent of capturing each tile to a file Use with ImageryCaptureTask for asynchronous capture of map imagery

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TileCapture.Callback Callback fired when capturing tiles
static class	TileCapture.DefaultProjection

Field Summary

Fields inherited from class com.atakmap.android.tilecapture.reader.DatasetTileReader

_levelOffset, _maxLevels, _paint, _pixelBuf, _tileHeight, _tileWidth

Constructor Summary

Constructors

Constructor and Description
TileCapture(BitmapReader reader, int srid, DatasetProjection2 imprecise, double levelTransitionAdj, double gsd, int tileWidth, int tileHeight, int maxLevels, int levelOffset)
TileCapture(BitmapReader reader, TileCapture other)
TileCapture(DatasetTileReader r)

Method Summary

Modifier and Type	Method and Description
int	calculateLevel(GeoPoint[] quad, int minDim, int captureRes) Calculate level given a quad and image size
void	capture(TileCaptureParams params, TileCapture.Callback cb) Begin capturing map tiles
boolean	compatible(TileCapture tc) Check if a tile capture is compatible with another, in such a way that tiles can be read from either properly
static TileCapture	create(GeoBounds bounds) Create a tile capture instance given a set of geobounds
static TileCapture	create(ImageDatasetDescriptor info) Create a tile reader given an image dataset descriptor
static TileCapture	create(MosaicDatasetDescriptor info, GeoBounds bounds) Create a tile capture instance given a mosaic dataset descriptor
static TileCapture	createBasemapReader(MapView mv)
static DatasetTileReader	createTileReader(ImageDatasetDescriptor info)
void	dispose()
TileCaptureBounds	getBounds(TileCaptureParams params) Generate capture boundaries and matrices for a set of imagery
int	getLevel(TileCaptureParams params)
DatasetProjection2	getProjection()
BitmapReader	getReader()
void	getSourcePoint(int level, int column, int row, PointD dst) Get source point
TileBitmap	getTile(int level, int column, int row) Get tile bitmap
void	getTilePoint(int level, PointD src, android.graphics.Point dst) Get tile point
boolean	tooSmall(ImageDatasetDescriptor info, GeoBounds b)

Methods inherited from class com.atakmap.android.tilecapture.reader.DatasetTileReader

getLevelOffset, getMaxLevels, getTileHeight, getTileImpl, getTileWidth

Methods inherited from class java.lang.Object

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

Constructor Detail

TileCapture

public TileCapture(DatasetTileReader r)

TileCapture

public TileCapture(BitmapReader reader,
                   int srid,
                   DatasetProjection2 imprecise,
                   double levelTransitionAdj,
                   double gsd,
                   int tileWidth,
                   int tileHeight,
                   int maxLevels,
                   int levelOffset)

TileCapture

public TileCapture(BitmapReader reader,
                   TileCapture other)

Method Detail

create

public static TileCapture create(ImageDatasetDescriptor info)

Create a tile reader given an image dataset descriptor

Parameters:

info - Image dataset descriptor

Returns:

Tile capture instance or null if failed

create

public static TileCapture create(MosaicDatasetDescriptor info,
                                 GeoBounds bounds)

Create a tile capture instance given a mosaic dataset descriptor

Parameters:

info - Mosaic dataset descriptor

bounds - Geo bounds of the query area

Returns:

Tile capture instance or null if failed

create

public static TileCapture create(GeoBounds bounds)

Create a tile capture instance given a set of geobounds

Parameters:

bounds - Bounds to query

Returns:

Tile capture instance or null if failed

createBasemapReader

public static TileCapture createBasemapReader(MapView mv)

dispose

public void dispose()

getReader

public BitmapReader getReader()

getProjection

public DatasetProjection2 getProjection()

compatible

public boolean compatible(TileCapture tc)

Check if a tile capture is compatible with another, in such a way that tiles can be read from either properly

Parameters:

tc - Tile capture

Returns:

True if compatible

tooSmall

public boolean tooSmall(ImageDatasetDescriptor info,
                        GeoBounds b)

capture

public void capture(TileCaptureParams params,
                    TileCapture.Callback cb)

Begin capturing map tiles

Parameters:

params - Tile capture parameters

cb - Callback

getTile

public TileBitmap getTile(int level,
                          int column,
                          int row)

Description copied from interface: BitmapReader

Get tile bitmap

Specified by:

getTile in interface BitmapReader

Overrides:

getTile in class DatasetTileReader

Parameters:

level - Resolution level

column - Column

row - Row

Returns:

Bitmap tile

calculateLevel

public int calculateLevel(GeoPoint[] quad,
                          int minDim,
                          int captureRes)

Calculate level given a quad and image size

Parameters:

quad - Geopoint quad (clockwise starting from upper-left point)

minDim - Minimum image size

captureRes - Capture resolution

Returns:

Level

getLevel

public int getLevel(TileCaptureParams params)

getTilePoint

public void getTilePoint(int level,
                         PointD src,
                         android.graphics.Point dst)

Description copied from interface: BitmapReader

Get tile point

Parameters:

level - Resolution level

src - Source point

dst - Destination point

getSourcePoint

public void getSourcePoint(int level,
                           int column,
                           int row,
                           PointD dst)

Description copied from interface: BitmapReader

Get source point

Parameters:

level - Resolution level

column - Column

row - Row

dst - Destination point

getBounds

public TileCaptureBounds getBounds(TileCaptureParams params)

Generate capture boundaries and matrices for a set of imagery

Parameters:

params - Capture parameters

Returns:

Capture bounds + correction matrix (if applicable)

createTileReader

public static DatasetTileReader createTileReader(ImageDatasetDescriptor info)