Ing. Erwin Brunnhuber - The World of Feng Shui
Aus der Welt der Raumenergetik. Feng Shui, Architektur, Vastu, Space Clearing, Methoden und Anwendungsbeispiele.
Tianxin 天心), the Taiji 太極 and the Centre (Zhongxin 中心) in Feng Shui practice
In reference to an article written by Master Howard Choy, a Zhongxin requires a boundary to locate, so the space in question has to be enclosed somehow to have a physical centre that we can locate with geometry, it is “below form” 形之下 that is a concrete thing. A Taiji is where the Yin and Yang meet, it could be the meeting place between the active and the passive and the substantial and the insubstantial of a house. In contrast, a Tianxin or a Heaven’s Heart is “above form” (an abstract idea); it can be looked upon like seeing the situation from heaven above to locate the reference point on earth below.
For the full article click: Where is your Loushu Centroid?