Layout Objects

Bearing Envelopes

Bearing Envelopes represent walls, beams, and other objects and can be used to support components.

  • Bearing Envelopes are displayed differently based on the Structural vs. Non-Structural property

  • Bearing Envelopes can be displayed with hatchingarrow-up-right based on the Top Elevation property.

Ceiling Planes

Ceiling planes represent the ceiling underneath a roof, and they can be used as boundaries for defining truss profiles.

Ceiling Trays

Ceiling trays represent the ceiling underneath a roof, and they can be used as a boundaries for defining truss profiles.

Feature Pattern Containers

Feature pattern containers are 3-D "boxes" that contain feature pattern (typically "parallel chord") trusses. The height of the box is the depth of the floor, and its boundaries are formed either by bearing envelopes or work lines.

Chase Area

Chase areas can be added to a feature pattern container so that any feature pattern truss envelopes that overlap the area will not generate webs in that space. This can be used to prevent collisions with an air duct, for example.

Step Area

Step areas can be added to feature pattern containers to define a vertical step in the bottom chord for feature pattern truss envelopes that overlap the area.

Feature Pattern Truss with a 6" Vertical Step Defined Using a Layout Step Area

Roof Planes

Roof planes define the outer shape of a roof, including its pitch(es), overhang, heel height, etc. They are "cut" against each other to form a 3-D shape that can be used to define truss profiles.

Heel Height

Butt Cut

Overhang

Cantilever

Truss Envelopes

Truss Envelopes define the profile of a truss. They follow the 3-D boundaries formed by the parts of a roof or floor and are used to generate and place component designs.

Truss Groups

Truss Groups allow you to organize Truss Envelopes and linked Component Designs into logical collections, such as units, buildings, or phases, to simplify selection and management. Groups can also be nested under parent groups, making it easy to view and control complex multi-building or multi-unit projects. Refer to Create & Manage Truss Groups for more information.

Work Lines

Work lines are simple lines you can add to a layout as reference for creating layout objects.

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