Designing the pattern of affecting factors in spatial distribution of Tehran important centers whit passive defence approach

Spatial Distribution various urban centers at different scales is one of the main concerns and concerns of the experts, managers and spectators of space policy. In the meantime, the production of urban safe space based on the spatial organization of the centers involved in urban security, under the disability of the space agency of the activists and the analysis of the spatial distribution of important centers also requires the identification and design of a model of effective factors in the spatial distribution of major metropolitan centers in Tehran, with the passage of passive defense. The present study attempted to identify these factors using qualitative and quantitative methods. The present research is a descriptive-analytical study. In this study, the method of initial identification of the factors affecting the spatial distribution of the major centers of Tehran metropolitan area with regard to passive defense, as well as quantitative methods, was used in final exploration of the factors and the design of the designed model.