Did you really use a compass to measure Feng Shui in ancient times?

In ancient times, people used compasses There are two kinds of geomantic omen, one is to cure qi and the other is to become a mountain. Philosophic body can't lack compasses, and Shanpai also uses compasses, but unlike philosophical body, you can't see Feng Shui without compasses. Generally speaking, both schools attach great importance to the compass. In addition, in ancient times, not only compasses were used, but also other instruments, which should be armillary sphere. I'm not sure it was used for star watching and positioning.