Advantages and disadvantages of comprehensive drawing method

The advantage is that drawing is simple and convenient, but the disadvantage is low efficiency.

According to the query theory, the drawing shows that the synthesis method has the advantages of intersection method and pseudo-idea, and it is simple to draw, and it is suitable for vertical planes with projection surfaces in cross sections. The disadvantage is that the drawing efficiency is low, and only one sign is used as a condition to measure the choice.