Add a Hole by Lines

You can add a hole to a horizontal structure. The hole can go through the entire structure or it can be added only to the selected structural layer. The same hole can cut several horizontal structures located side by side.

1. Select Floors and Ceilings > Create Hole Using Lines.
2. Select the method of selecting the structural layer from the context-sensitive toolbar.

   Selecting a Layer

3. Select the horizontal structure or structural layer according to the selection mode.
4. In the case of a sloping structure, select, if the points are to be projected to the top or bottom surface of the structure.
   • Measure height to top - The edge points are projected to the top surface of the structure.
   • Measure height to bottom - The edge points are projected to the bottom surface of the structure.
5. In the case of a sloping structure, select perpendicular or vertical edges to the hole.
   • Perpendicular edge - The edge direction is perpendicular to the structure.
   • Vertical edge - The edges are vertical.
6. Select lines or a line chain. The lines can be single lines or they can form a closed polyline. The edge lines can reach outside the structure and run across several horizontal structures.
7. Select Confirm.

Note

• You can delete a hole from the structure by deleting its edge points.

Add a Hole Using Points
Delete an Edge Point
Floors and Ceilings