Submitted on: 06 January 2017.
Revised on: 20 March 2017.
Accepted on: 08 May 2017.
___________________GIM International-The Worldwide Magazine for Geomatics
Submitted on: 19 September 2006.
Revised on: 19 November 2006.
Accepted on: 03 December 2006.
___________________GIM International-The Worldwide Magazine for Geomatics
http://reply.papertrans.cn/2/108/10765/10765-23.png
http://reply.papertrans.cn/2/108/10765/10765-24.png
http://reply.papertrans.cn/2/108/10765/10765-25.png
Submitted on: 14 August 2012.
Revised on: 17 October 2012.
Accepted on: 30 November 2012.
___________________GIM International-The Worldwide Magazine for Geomatics
http://reply.papertrans.cn/2/108/10765/10765-27.png
http://reply.papertrans.cn/2/108/10765/10765-28.png
http://reply.papertrans.cn/2/108/10765/10765-29.png
http://reply.papertrans.cn/2/108/10765/10765-30.png