Hi Chris Thank you for the reply. The resource you have given [1] me seems to be not working properly. Is it a presentation file? I tried it using Libreoffice impress but it gave an input output error.
[1] http://svn.apache.org/repos/asf/sis/presentations/NOAA-Meetup-Feb21-2013/ApacheSIS-NOAAMeetup-Final.fodp -- Regards W.Dimuthu Upeksha Undergraduate Department of Computer Science And Engineering University of Moratuwa, Sri Lanka
