private static Directory getMetaDirectory(File file) {
   try {
     Metadata metadata = JpegMetadataReader.readMetadata(file);
     return metadata.getDirectory(ExifDirectory.class);
   } catch (JpegProcessingException e) {
     e.printStackTrace();
   }
   return null;
 }
Exemple #2
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  public ImageGeo(String filename) {
    try {
      error = false;
      File jpegFile = new File(filename);
      Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);

      GpsDirectory gpsdir = (GpsDirectory) metadata.getDirectory(GpsDirectory.class);
      Rational latpart[] = gpsdir.getRationalArray(GpsDirectory.TAG_GPS_LATITUDE);
      Rational lonpart[] = gpsdir.getRationalArray(GpsDirectory.TAG_GPS_LONGITUDE);
      String northing = gpsdir.getString(GpsDirectory.TAG_GPS_LATITUDE_REF);
      String easting = gpsdir.getString(GpsDirectory.TAG_GPS_LONGITUDE_REF);

      try {
        alt = gpsdir.getDouble(GpsDirectory.TAG_GPS_ALTITUDE);
      } catch (Exception ex) {
      }

      double latsign = 1.0d;
      if (northing.equalsIgnoreCase("S")) latsign = -1.0d;
      double lonsign = 1.0d;
      if (easting.equalsIgnoreCase("W")) lonsign = -1.0d;
      lat =
          (Math.abs(latpart[0].doubleValue())
                  + latpart[1].doubleValue() / 60.0d
                  + latpart[2].doubleValue() / 3600.0d)
              * latsign;
      lon =
          (Math.abs(lonpart[0].doubleValue())
                  + lonpart[1].doubleValue() / 60.0d
                  + lonpart[2].doubleValue() / 3600.0d)
              * lonsign;

      if (Double.isNaN(lat) || Double.isNaN(lon)) error = true;
    } catch (Exception ex) {
      error = true;
    }
    System.out.println(filename + ": (" + lat + ", " + lon + ")");
  }