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RENDERING TERRAIN ON MOBILE DEVICES USING ADAPTIVE SUBDIVISION METHOD : DESIGN CONSIDERATION

Rendering terrain on mobile devices for visualization and GIS applications is tedious work. Simplifying the terrain mesh will create a simplified surface and improve the rendering speed. However in certain area such as mountainous area, it will not be effective. Thus it is important to create a smooth and accurate surface in mountainous area. One of the popular methods to create smooth surface in certain area of the mesh is to implement adaptive subdivision method. Since adaptive subdivision is the main focus of this research, the preliminary work of adaptive subdivision method are investigated and discuss about the main components of adaptive subdivision like selection criteria, subdivision scheme and crack handling. These components will be taken into consideration during the process of development of rendering terrain on mobile device with more accuracy. In this paper, general framework and future work of this study will be presented.