The establishment of a hardware system with high specifications, however, is indispensable in terms of the operating environment because the 3D GIS is usually built upon a vast amount of collected data. ![]() In the case of the geographic information system (GIS), which utilizes an increasing amount of spatial data, the 3D WebGIS utilizing high-precision DEM and aviation images is fast becoming the norm thanks to the advancement in the related hardware and software, thereby enabling the users to perform multi-faceted and multi-dimensional analysis of diverse pieces of information fused with spatial data. ![]() As disasters represent the natural phenomena occurring in a country's territory, they are closely linked with spatial data. ![]() As natural disasters are occurring more and more frequently, the need for a system that monitors the precipitation and hydrological information in real time and that predicts the potential occurrence of water hazard is growing.
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