1基地项目位于江南平原。因为耕作的需求,平坦开阔的地形被灌溉水渠和道路划分成南北向拉长的矩形网格。每个网格是一个家庭生产单元:菜地、宅子、鱼塘、农田自南向北依次排列(图1)。当地民居大多都是矩形平面和硬山屋顶。深宅基地便位于其中的一个网格当中,基地本身边界清晰,东西面宽约25m,边界被两条水渠夹在其中, 1 base project is located in the Yangtze River Plain. Because of the need for farming, the flat and open topography is divided into north-south elongated rectangular grids by irrigation channels and roads. Each grid is a home production unit: vegetable fields, Zhaizi, fish ponds, farmland from south to north in order (Figure 1). Most of the local houses are rectangular and hard-roofed. Shenzhen homestead will be located in one of the grid, the base itself is a clear boundary, east-west width of about 25m, the boundary is sandwiched between two channels,