How to use

forFile

method

in

org.deegree.coverage.raster.io.RasterIOOptions

/**
 * Load a raster from a file.
 * 
 * @param filename
 *            the filename of the raster
 * @return the loaded raster as an AbstractRaster
 * @throws IOException
 */
public static AbstractRaster loadRasterFromFile( File filename )
            throws IOException {
  RasterIOOptions options = RasterIOOptions.forFile( filename );
  return loadRasterFromFile( filename, options, null );
}

/**
 * loads the raster
 * 
 * @param tileBaseDir
 * @return the loaded simpleraster
 * @throws IOException
 */
public AbstractRaster loadRaster( String tileBaseDir )
            throws IOException {
  File file = new File( getFullFileName( tileBaseDir ) );
  RasterReader reader = new IIORasterReader();
  RasterIOOptions options = RasterIOOptions.forFile( file, getEnvelope() );
  return reader.load( file, options );
}

private static void transformRaster( String[] args, String srcCRS, String dstCRS, InterpolationType type,
                   OriginLocation location ) {
  try {
    MemoryTileContainer tileContainer = new MemoryTileContainer();
    for ( int i = 0; i < args.length - 1; i++ ) {
      if ( args[i] != null ) {
        File f = new File( args[i] );
        RasterIOOptions options = RasterIOOptions.forFile( f );
        options.add( RasterIOOptions.GEO_ORIGIN_LOCATION, location.name() );
        tileContainer.addTile( RasterFactory.loadRasterFromFile( f, options ) );
      }
    }
    AbstractRaster srcRaster = new TiledRaster( tileContainer, null );
    RasterTransformer transf = new RasterTransformer( dstCRS );
    srcRaster.setCoordinateSystem( CRSManager.getCRSRef( srcCRS ) );
    AbstractRaster result = transf.transform( srcRaster, type );
    RasterFactory.saveRasterToFile( result, new File( args[args.length - 1] ) );
  } catch ( Exception ex ) {
    System.err.println( "Couldn't transform raster file: " );
    ex.printStackTrace();
    System.exit( 2 );
  }
}

RasterIOOptions nOpts = options;
if ( nOpts == null ) {
  nOpts = RasterIOOptions.forFile( filename );

try {
  LOG.info( "Creating raster from file: {}", filename );
  RasterIOOptions newOpts = RasterIOOptions.forFile( filename );
  newOpts.copyOf( options );
  AbstractRaster raster = RasterFactory.loadRasterFromFile( filename, newOpts );

try {
  LOG.info( "Creating raster from file: {}", filename );
  RasterIOOptions newOpts = RasterIOOptions.forFile( filename );
  newOpts.copyOf( options );
  AbstractRaster raster = RasterFactory.loadRasterFromFile( filename, newOpts, null );