The size of the gate How to measure the size of the Feng Shui gate?

How to measure the size of feng shui gate? The house where people live is called Yang Zhai. China's ancient philosophy holds that odd numbers are Yang and even numbers are Yin. The height and width of the measuring gate of the cave are singular, not even, and the height-width ratio is appropriate, not too wide and out of proportion. The other is that the courtyard drainage should cover the water flowing out of the door to gather money.