What is regulating qi in geomantic omen?

Sanhe school believes that the principle of qi in geomantic omen is mainly the change of yin and yang and five elements in the trinity of life, prosperity and tomb, which is based on images, not numbers. According to the ternary school, the principle of qi in geomantic omen is mainly calculated according to Wu's six formulas of avoiding the sun: winter begins with Jiazi in Kanggong, beginning of spring shakes the vernal equinox, long summer follows Jiazi, summer goes against the sky when he leaves the palace, and beginning of autumn retreats when he is dry. At the end of Egypt, starting from the standard star name, the earth planned Luo Yue to win the Ming Dynasty, and the water planned nine planets in turn. When it comes to the sun and the moon, the earth will defeat evil.