How to use

fromString

method

in

org.deegree.coverage.raster.interpolation.InterpolationType

  /**
   * @return this WCS interpolation type as a raster api type, or <code>null</code> if it the interpolation
   *         method is not supported by the raster api.
   */
  public InterpolationType asRasterAPIType() {
    return InterpolationType.fromString( name() );
  }
}

  /**
   * Returns a subset of the raster, transformed into to SRS of the target envelope.
   * 
   * @param raster
   * @param env
   * @param grid
   * @param interpolation
   * @return the transformation result
   * @throws TransformationException
   *             if the transformation fails
   */
  public static AbstractRaster transform( AbstractRaster raster, Envelope env, Grid grid, String interpolation )
              throws TransformationException {
    LOG.debug( "Transforming raster with envelope '{}' and grid '{}', interpolation method '{}'.",
          new Object[] { env, grid, interpolation } );
    AbstractRaster result;
    try {
      RasterTransformer transf = new RasterTransformer( env.getCoordinateSystem() );
      result = transf.transform( raster, env, grid.getWidth(), grid.getHeight(),
                    InterpolationType.fromString( interpolation ) );
    } catch ( Exception e ) {
      LOG.debug( "Original stack trace", e );
      throw new TransformationException( "error while transforming raster result: " + e.getMessage(), e );
    }
    return result;
  }
}

private static void checkOutputOptions( GetCoverage request, CoverageOptions options )
            throws OWSException {
  boolean supported;
  String outputFormat = request.getOutputFormat();
  supported = options.getOutputFormats().contains( outputFormat );
  if ( !supported ) {
    // check for geotiff
    if ( outputFormat == null || !"geotiff".equals( outputFormat.toLowerCase() ) ) {
      throw new OWSException( "Unsupported output format (" + outputFormat + ")",
                  OWSException.INVALID_PARAMETER_VALUE, "FORMAT" );
    }
  }
  String interpolation = request.getInterpolation();
  try {
    supported = options.getInterpolations().contains( InterpolationType.fromString( interpolation ) );
  } catch ( Exception e ) {
    throw new OWSException( "Unsupported interpolation (" + interpolation + ")",
                OWSException.INVALID_PARAMETER_VALUE, "INTERPOLATION" );
  }
  String crs = request.getOutputCRS();
  supported = options.getCRSs().contains( crs );
  if ( !supported ) {
    throw new OWSException( "unsupported response crs (" + crs + ")", OWSException.INVALID_PARAMETER_VALUE,
                "RESPONSE CRS" );
  }
}