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Abstract:The district plan in Japan is designed and implemented through public participation, which is based on the zone restrictions of land use system. The usable space of a building can be generated according to the zone restrictions implemented in a district plan, which include the planning controls of high altitude, oblique line and so on. Residents can choose control items as their preference in order to control the urban physical environment of the district. In this paper, we discuss how to generate the virtual world according to the data set of GIS including planning control items and how it can work for net participation. In the future, we would like to conduct an Internet social experiment with the cooperation of a city government and residents in order to support the district plan in a local city.

After Noto Peninsula Earthquake, many damaged houses were reconstructed by the rehabilitation method and consensus formulation to accept the designation of Historical Preservation District, which could preserve townscape characteristics, at Kuroshima District in Wajima City. These were achieved by several factors such as municipality clear policy, supporting system of Prefecture Government, key person activity and assisting activities of relating professional groups. The total time could be divided to four periods for formulating the consensus to the Historical Preservation District including restoration from the seismic damage.