It takes in more than one map as input and produces one map as output. As the name implies, map overlay refers to overlaying two or more maps to produce one resultant map. Map Overlay ProblemĪ map can be considered a 2D spatial structure composed of nodes, chains, regions, and subregions that divide a plane. There is so much data that efficient algorithms are required to deal with it.įor example, a biologist may want to figure out how average rainfall correlates with particular types of plants, and a civil engineer may use a GIS to determine whether there are gas pipes underneath a lot where excavation work is planned. The GIS is capable of extracting information about certain geographical areas and, in particular, the relationship between alternative types of data. Cities, roads, railways, electricity lines, and gas pipes, among others, can also be stored in caves. In a geographic information system (GIS), information about countries, mountains, rivers, vegetation types at different locations, population densities, and rainfall is stored. We have explored simple variants of Map Overlay Problem.īefore we discuss that we shall discuss what is (GIS) Geographic Information System. In this article, we will be exploring the Map Overlay Problem which is a core problem in Computational Geometry.
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