What's the difference between entering Yi Long and coming and going, Li Shuanglin?

Entering the first dragon and approaching the surveyor's red line by word is a tactic for Pingyang to find dragons. What do you think of this mountain? If you look like Pingyang, why is the picture below different from what you learned?

How to be a dragon in geomantic omen, and the geomantic lattice is set in the position of the first dragon? -"Long Ge" is to use a compass to detect the character of Longshan. Stand at the midpoint of the acupoint position and look in the direction of the pulse; Generally speaking, it refers to the mother mountain you see, that is, the middle of the top of the first mountain you can visually observe. From here to the point, it is the visual midline. The position of this line on the compass is defined as a dragon.

For example, the pulse line is on the word nonyl, which is nonyl dragon. In fact, it is not necessarily from one word to the pulse, but from two words to the pulse, which is called the story of Shuang Shan, also known as the story of Shuang Shan. For example, a line entering the pulse enters the pulse from between any word and sub-word, which is called Ren and Zilong, or Ren and Zi enter the pulse.