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Information technology has led to significant advances in various sciences, including architecture, causing fundamental changes in the quantitative architectural research. In this regard, space syntax is one of the techniques used in space structure analysis that has created new horizons in digital modeling and design.
From the syntactic theory point of view, space is the primary core in the state of social and cultural events. Moreover, rather than the attributes of space being individually definable, the relationship between activity and space can be perceived and defined within the existing relationships between the spaces as well as the relationships between spaces and the relationships between the addressees and social interactions.
Through the desk and field studies and while getting familiar with the “Graph Theory” and the principles of space syntax (node, connection, spatial arrangement, convex space, and justified plan), this study attempts to evaluate the architecture of Qajar period from another perspective by describing its mathematical relationships in terms of total depth, mean depth, degree of spatial integration and the value of spatial control, and examine the relationship between spatial coexistence in an example of Qajar houses in Esfahan, and the House of Jangjouyan (Warriors’ House) in particular.
The method used in this study is a descriptive-analytical one with a case study strategy, for which the definitions of “Gross Hopper” and” Space syntax” are used to quantify it. The present study introduces for the first time the value of control in space, which implies the adaptability of space as one of the indicators of flexibility.
The results indicate that the courtyard positioning in the middle layers and its relationship with the intermediate spaces including the corridors, stairs, and partitions create a significant role for it, leading to its flexibility in the spatial configuration, while the location of yards in the primary layers in the contemporary homes has declined in importance and this role has been transferred to other spaces.