In Chinese Metaphysics, Mountains are also refer to as Dragons. Hence, 排龙诀 (中州派玄空) also known as arrangement of the dragons. This methods is to evaluate if the actual landform – mountain is in an auspicious sector / formula / star. A simple method of evaluation and could be use hand in hand with FuXin water technique (辅星水法).
There is the clockwise and anticlockwise plotting formula. This depends on the sitting and facing of the property.
Plot clockwise if sitting is any of these: 子、丑、寅、卯、辰、巳、午、未、申、酉、戌、亥
Plot anticlockwise if sitting is any of these: 甲、乙、丙、丁、庚、辛、壬、癸、乾、坤、艮、巽
破右廉 (795)，破武贪 (761)，
破左文 (784)，破巨禄 (723)，
For example 子山午向, will start plotting clockwise from 午: “破右廉，破武贪，破左文，破巨禄”