modify geolocation exif information

1. install exif tool http://www.sno.phy.queensu.ca/~phil/exiftool/

2. get geo location in different format from: http://itouchmap.com/latlong.html

3. modify exif as following command

exiftool -GPSLongitudeRef=E -GPSLatitudeRef=N -GPSLongitude=121.565000 -GPSLatitude=121.565000 *.jpeg 

, via: http://scribblesandsnaps.com/2011/11/23/easy-geotagging-with-exiftool/

4. verify the result from online exif reader: http://regex.info/exif.cgi