Performing a Subtract from Section takeoff requires familiarity with performing an area takeoff. Subtracting from sections is useful for subtracting areas for things such as islands, countertops, planters, etc. There are two ways to cut out sections. One is with a Point-to-Point and one is with a Box
Subtracting Using Point-to-Point
To subtract from a section using Point-to-Point:
- Select the area
- Right-click to open the Context Menu
- Select “Subtract from Section (P2P) (Box is covered below)
- Perform a takeoff around the area to be subtracted from that section (press Ctrl + Z to undo any Point's placement)
Subtracting Using Box
To subtract from a section using Box:
- Select the area
- Right-click to open the Context Menu
- Select “Subtract from Section (Box)
- Click and drag a box over the area to be subtracted from that section (multiple boxes may be drawn to subtract areas)
- Press Esc or right-click and select Stop or click on the Digitizer Record button to stop the takeoff
![]() | The Send Data Button ![]() |
Related Articles