You can use the Pick Supports tool to pick beams to define split lines and create constant bearing lines for the floor or roof.
- Select the floor or roof to modify.
- Click Modify | <element> tab
Shape Editing panel
Pick Supports.
- Select an existing beam.
A new split edge is created using the endpoint elevations from the picked reference. The elevations are moved up from the bottom face to the top face of the floor or roof using the floor or roof thickness.
Note: The Pick Supports method of defining a split line is not available for toposolid elements.