@Test
 public void spotTake5ReaderIsLoaded() {
   final Iterator iterator =
       ProductIOPlugInManager.getInstance().getReaderPlugIns(RapidEyeConstants.L1_FORMAT_NAMES[0]);
   final ProductReaderPlugIn plugIn = (ProductReaderPlugIn) iterator.next();
   assertEquals(RapidEyeL1ReaderPlugin.class, plugIn.getClass());
 }
 @Override
 protected void createElevationFile(
     final ElevationFile[][] elevationFiles, final int x, final int y, final File demInstallDir) {
   final int minLon = x * DEGREE_RES - 180;
   final int minLat = y * DEGREE_RES - 60;
   final String fileName = createTileFilename(minLat, minLon);
   final File localFile = new File(demInstallDir, fileName);
   elevationFiles[x][NUM_Y_TILES - 1 - y] =
       new SRTM1HgtFile(this, localFile, productReaderPlugIn.createReaderInstance());
 }