Network Analysis for Geographical Information System

K.S. Handa, S. Dhawan, and P.K. Suri (India)


Layered based approach, Tracking the shortest route,Location and Allocation processes, and Componentdevelopment


This paper presents a method for developing the components for network analysis in Geographical Information System (GIS). Networks form the infrastructure of the modern world. Most of the infrastructure planning problems like facility location, allocation of resources, and path planning are based on the network topology created from maps with spatial and non-spatial attributes. The main areas of its application will be in planning of infrastructure at district level, state level, and province level. Some practical areas where this has good use are in location of facilities like hospital, health centers, schools etc. in an optimum way. Similarly to find the optimal route from one place to another place is another example. The allocation of the facilities to the demand points is another infrastructure requirement, which has lot of potential uses. For example assigning certain facilities like schools to an area where there is certain demand based on certain constraints is the process of allocation. In real world scenario, there are numerous such applications where these types of software tools are very essential. As process is a complex optimization problem and computationally intensive. We are focusing here on some applications for rural planning rather than urban planning.

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