IlvGeoTIFFTiler Class Reference

A GeoTIFF file tiler. More...

#include <ilviews/maps/format/geotiff/gtifftiler.h>

Public Member Functions
	IlvGeoTIFFTiler (const char *input, const char *output, IlInt tileWidth, IlInt tileHeight)
	Initializes a new GeoTIFF tiler. More...
IlInt	getColumnCount () const
	Returns the number of columns. More...
IlvTIFFStreamer::Compression	getCompression () const
	Returns the compression method used to generate the tiles. More...
IlvMapsError	getInitStatus () const
	Checks the initialization status of this GeoTIFF tiler. More...
IlInt	getRowCount () const
	Returns the number of rows. More...
IlInt	getTileHeight () const
	Returns the tile height in pixels. More...
IlInt	getTileWidth () const
	Returns the tile width in pixels. More...
IlvMapsError	performTiling (IlvTIFFStreamer &outStreamer)
	Performs the tiling. More...
void	setCompression (IlvTIFFStreamer::Compression c)
	Sets the compression method used to generate the tiles. More...

Detailed Description

A GeoTIFF file tiler.

Library: ilvmaps
An IlvGeoTIFFTiler is used to generate and to save tile information for a given GeoTIFF file.

Tiled GeoTIFF files can be read by the IlvGeoTIFFTileLoader and the IlvGeoTIFFLayer.

See also

IlvGeoTIFFTileLoader, IlvGeoTIFFLayer.

Constructor & Destructor Documentation

IlvGeoTIFFTiler()

IlvGeoTIFFTiler::IlvGeoTIFFTiler	(	const char *	input,
		const char *	output,
		IlInt	tileWidth,
		IlInt	tileHeight
	)

Initializes a new GeoTIFF tiler.

The getInitStatus() method checks if the tiler is valid.

Parameters

input	The input file.
output	The output file.
tileWidth	The width of the tiles in pixels. The tile width must be a multiple of 16 pixels.
tileHeight	The height of a tile in pixels. The tile height must be a multiple of 16 pixels.

Member Function Documentation

getColumnCount()

IlInt IlvGeoTIFFTiler::getColumnCount

(

)

const

Returns the number of columns.

Returns

The number of columns.

getCompression()

IlvTIFFStreamer::Compression IlvGeoTIFFTiler::getCompression

(

)

const

Returns the compression method used to generate the tiles.

Returns

The compression method.

getInitStatus()

IlvMapsError IlvGeoTIFFTiler::getInitStatus

(

)

const

Checks the initialization status of this GeoTIFF tiler.

Returns

The error code that may have happened during the tiler initialization.

getRowCount()

IlInt IlvGeoTIFFTiler::getRowCount

(

)

const

Returns the number of rows.

Returns

The number of rows.

getTileHeight()

IlInt IlvGeoTIFFTiler::getTileHeight

(

)

const

Returns the tile height in pixels.

Returns

The tile height.

getTileWidth()

IlInt IlvGeoTIFFTiler::getTileWidth

(

)

const

Returns the tile width in pixels.

Returns

The tile width.

performTiling()

IlvMapsError IlvGeoTIFFTiler::performTiling

(

IlvTIFFStreamer &

outStreamer

)

Performs the tiling.

This method opens the file whose name has been defined at construction time, reads the file and writes the output file with the current tiling parameters.

Parameters

outStreamer

The streamer.

Returns

IlvMaps::NoError() if the tiling was successful or an error code if it failed.

setCompression()

void IlvGeoTIFFTiler::setCompression

(

IlvTIFFStreamer::Compression

c

)

Sets the compression method used to generate the tiles.

The compression can be any of IlvTIFFstreamer::None, IlvTIFFstreamer::Packbits, IlvTIFFstreamer::Zip.

Parameters

c	The compression method.