Synchronized 2D/3D GIS Data Visualization Using Google Maps and Unity 3D Game Engine

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Synchronized 2D/3D GIS Data Visualization Using Google Maps and Unity 3D Game Engine

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Title: Synchronized 2D/3D GIS Data Visualization Using Google Maps and Unity 3D Game Engine
Author: Chalainanont, Nirut; Kumsap, Chamnan
Abstract: Data visualization is one of the most important aspects in Geographic Information System. Not only the data must be adequate and accurate, but it also needs to be represented in a clear and easy to understand way in order to convey information to the users. There are many approaches for GIS data visualization both two and three dimensional. 2D maps have their advantages such as representing spatial data, data distribution, and small-scale visualization. Though, they lack large-scale details and, obviously, the height of the terrain and surface objects which can only be represented in 3 dimensions. 3D game engines can be used as GIS data visualization tools to compensate for the shortfalls of 2D maps. However, they are not suitable for large extent viewing. By combining 2D and 3D views, we can get the best of both worlds. This paper proposed an approach for a synchronized 2D and 3D data visualization tool using Google Maps and Unity 3D game engine. The users can see their whereabouts and related spatial data on a 2D map while they can immerse into a 3D virtual world, navigate through the terrain, and see the surroundings in high level of details. The 3D virtual world is not made just to be aesthetically pleasing, but it is created from real GIS data to provide geographic accuracy as well. Since both Google Maps API and Unity 3D game engine have a free version, the cost of implementing this data visualization software is almost nonexistent. This software tool can be beneficial and practical for using with many applications related to GIS data. It has been proven to be a valuable tool in developing various virtual simulators at the Defence Technology Institute of Thailand.
URI: http://hdl.handle.net/123456789/1899
Date: 2558


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