I don't even know the direction of feng shui.
The so-called "sit on the mountain and watch the tiger fight" is the place where the building depends, just like the plush chair, with the backrest sitting on the mountain.
The so-called "orientation" is the direction corresponding to sitting on the mountain. Geomantic omen classifies the direction into 24 mountain directions, specifically, the orientation change composed of "eight-branch and twelve-branch thinking" on the compass.
First, it is by no means a "rough" direction. Secondly, it is very accurate to divide a 360-degree circle into 24 equal parts, one area 15 degrees. As the ancients said, between the rich and the poor, that is, the accuracy of positioning is very important.
Second, the feng shui of the villa is mainly based on the building itself. On the relationship between the door and the building where you live, it doesn't mean the feng shui orientation of your villa.
Third, the door is not necessarily facing. For example, your home is just one of the independent buildings, and the orientation of this building is the orientation of Feng Shui.
Four, a feature of modern architecture is that the windows and doors are small, and some are large balconies that fall to the ground. The direction of air inlet is mainly windows or balconies. This building is based on the direction of air intake.