UFSM, an abbreviation of "Urban Fire Spread Model", has been proposed as a physics-based model to represent fire spread behavior in urban areas. It thinks that An urban-fire-spread risk assessment system employing the proposed model is widely spread, however, it tends to exhibit following problems. 1)A visual operation can not be used 2)Manipulatory platforms are not united In this study, an interface to make input-data, such as information on buildings, geographyic features, and weather

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... ons, necessary to analyze by the proposed model, and an interface to display analytical results by the proposed model on GIS. These interfaces enabled visible and united operation, and this study becomes foundation of the system which simulated and evaluated urban characteristics, such as a position of fire-fighting-water supply, road networks, and seismic ground motions.