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Topological consistency which plays an important role in land-use map is a difficult problem for map auto generalization. This paper concentrates on the topological preserving of river's dimension-reducing generalization in the land-use map. We propose a method for handling the conflicting constraints involved in generalizing a river polygon (double-line river) into a single-line river. It includes...
A visual management platform is designed for wireless temperature and humidity sensor network. The platform offers a multifunctional visual interface, including data management, curve plotting of sensor node, display of topology and data sending and receiving situation, etc, so that the receiving data from sensors can be accessed more conveniently to be used for optimization of network performance...
Most of the vector overlay operations are designed in the vector-topological model, which require the individual layers structured with full topology. It takes rather a long time to build the topology to each of the input data sets, and the output of the process is a new topological structured layer whose topology information seldom needed. In order to avoid the time-consuming topology building process...
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