In the settlement, the character of the space is made with the element with various boundaries of the internal space of each dwelling, and external space. Those elements are not individual, patency and closing nature are made as an aggregate of an element, and it is thought that the character of the space is understood by change of a field of view. In this paper, the form of housing space and the change of space character in the modernization of a YAMI's dwelling seen from change of a field of view are solved. Furthermore, the position and character of the space are clarified by expressing relation nature with a circumference house with changing to vision distance the amount of each solid quantified here to an arrangement plan.
