* the {@link File} to use for future decoding.
*/
public GrassCoverageReader( Object input ) {
if (input instanceof File) {
File file = (File) input;
imageReader = new GrassBinaryImageReader(new GrassBinaryImageReaderSpi());
imageReader.setInput(input);
jgMapEnvironment = new JGrassMapEnvironment(file);
name = file.getName();
try {