com.atakmap.android.tilecapture.reader

Class GdalTileReader

java.lang.Object

com.atakmap.android.tilecapture.reader.DatasetTileReader

com.atakmap.android.tilecapture.reader.GdalTileReader

All Implemented Interfaces:

BitmapReader

public class GdalTileReader
extends DatasetTileReader

Reads bitmap tiles from a GDAL-supported image

Field Summary

Fields

Modifier and Type	Field and Description
protected Dataset	_dataset
protected int	_height
protected PointD	_lr
protected PointD[]	_sizes
protected PointD	_ul
protected int	_width

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

_levelOffset, _maxLevels, _pixelBuf, _tileHeight, _tileWidth

Constructor Summary

Constructors

Constructor and Description
GdalTileReader(ImageDatasetDescriptor info, Dataset dataset)
GdalTileReader(int srid, GeoPoint[] corners, Dataset dataset) Create a new tile reader for a imagery source that is GDAL-compatible

Method Summary

Modifier and Type	Method and Description
void	dispose()
void	getSourcePoint(int level, int col, int row, PointD dst) Get source point
TileBitmap	getTile(int level, int c, int r) Get tile bitmap
void	getTilePoint(int level, PointD src, android.graphics.Point dst) Get tile point

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

Field Detail

_dataset

protected final Dataset _dataset

_width

protected final int _width

_height

protected final int _height

_ul

protected final PointD _ul

_lr

protected final PointD _lr

_sizes

protected final PointD[] _sizes

Constructor Detail

GdalTileReader

public GdalTileReader(int srid,
                      GeoPoint[] corners,
                      Dataset dataset)

Create a new tile reader for a imagery source that is GDAL-compatible

Parameters:

srid - Spatial reference ID

corners - Corner points in clockwise order [UL, UR, BR, BL]

dataset - GDAL dataset

GdalTileReader

public GdalTileReader(ImageDatasetDescriptor info,
                      Dataset dataset)

Method Detail

dispose

public void dispose()

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 col,
                           int row,
                           PointD dst)

Description copied from interface: BitmapReader

Get source point

Parameters:

level - Resolution level

col - Column

row - Row

dst - Destination point

getTile

public TileBitmap getTile(int level,
                          int c,
                          int r)

Description copied from interface: BitmapReader

Get tile bitmap

Specified by:

getTile in interface BitmapReader

Overrides:

getTile in class DatasetTileReader

Parameters:

level - Resolution level

c - Column

r - Row

Returns:

Bitmap tile