Loupan does not point to north as its western
counterpart. Instead it sticks to Feng Shui
mapping convention and point to south. Compass
in Chinese is “Pointing South Needle” if direct
translate from its Chinese word.
The loupan can be classified into three types.
They are the Chong He, San He, and San Yuan
loupan. The San He loupan embedded many formulas
from the San He or Three Harmony stream while
the San Yuan incorporate many formula from the
San Yuan or Three Cycles stream. San Yuan Flying
Star is an example of a system from the San Yuan
For Chong He loupan, it has a combination of
formulas from both the San He and San Yuan
streams. All three loupan have some formula
rings in common. They include the 24 mountains,
early and later heaven arrangement.
There are also some loupan in the market that
special design where incorporates the Gua
numbers and directions from the Eight Mansions
stream which is meet the need of individual.