Where should the center of a house with a yard start? Rural houses have yards, and the earthwork in the middle is

Where should the center of a house with a yard start? Houses in rural areas all have yards, and the location of the central Wuji soil is counted from the inside of the house or the yard. The house is square and the yard is rectangular. How to find Wuji soil in the middle of the house? The center and the position of the center are relative concepts, sometimes a point: the center is measured. Measuring rooms is to determine a central point according to rooms, measuring houses is to determine a central point according to houses, and measuring courtyards is to determine a central point according to courtyards. Sometimes rooms, houses and courtyards have many central points. To determine which is important, determine the center point according to the important position here and now and the position you think is heavier. It's called geographical orientation.