Since the inception of its Smart Nation programme in 2014, Singapore has emerged as a world leader in smart city initiatives. One of the centrepieces of Singapore's strategy has been the development of a highly accurate 3D digital map of the country to support key functions such as urban planning, flood control and civil aviation. The creation of this national 3D map has involved the use, adoption and development of world-leading surveying, mapping and GIS technologies. This article explains the various challenges in creating and maintaining the required data, and how it will be used to its fullest potential.
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