Introduction - If you have any usage issues, please Google them yourself
Usage method:
1, enter the AP command, browse and load "area summing.LSP" in the dialog box.
2, enter the ZMJ (total area Pinyin initials) command calling procedure.
3, according to the prompts, choose the graphics to calculate the area. When the choice is over, the sum of the area will be obtained.
Note: Choose the closed multi-section lines and splines as far as possible. You can find the area without closing, but the result is not significant.