You are asking whether a large space with independent elevator entrance is considered a missing corner? The independent entrance of the elevator is a large space without any missing corners.
The method of identifying missing corners of a house is as follows:
1. Calculate according to the sides, take out the floor plan of the house, and then measure the frame. If there is less than two-thirds of the If the length is dented, it can be regarded as a missing corner of the house.
2. Judge based on the center point. Take out the house plan and draw two diagonal lines. The intersection of the diagonal lines is the center point. Then judge whether there are missing corners based on the two center points.
3. Nine-square grid judgment method, take out the nine-square grid on the house layout picture, use a ruler to accurately measure, so that each one is the same size, and then look at the pictures in these grids, if the missing part is larger than this azimuth grid If the angle is 10%, the missing corner can be determined.