Prosiding the 5th Geoinformation Science Syimposium 2017 : Bridging Geospital Industries and Scientific Research Yogyakarta 27-28 September 2017 - Ignatius Salivian Wisnu Kumara; Arief Wicaksono; Ruwanda Prasetya; Arzakhy Indhira Pramesti; Pramaditya Wicaksono