A Case Study for Best Path Selection Using Integrated GIS-Multicriteria Decision Approach
Many factors should be put into considerations during the planning of a suitable road path, such as gradients or slope of the area, available land-use and soil type, community or national landmarks, and governmental interest. These factors constitute and govern the associated environmental, economical, and social concerns that should be related to any road path selection. In addition, these different considerations and interests make the planning process complex and as such there might be confusion of interest in the decision making. Geographic information systems (GIS) and multiCriteria decision analysis (MCDA) integration reduces the complex nature in the planning process, which allow different stakeholders to reach a general conclusion, concerning the best path. In this context, different criteria have been selected and weighted to represent the favored conditions for this purpose. Analytic hierarchy process (AHP) is another GIS-MCDA technique that is used to obtain a final assessment from variable alternative solutions. This proposed integration is expected to be well-suited for finding the best path.
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