Roof planes are drawn on the Roof Planes layer by default. In addition, you can also choose to display roof baseline polylines, frieze molding, gutters, gable lines, the overhang area, roof openings, and valley truss bases. See "Layer Display Options Dialog".
Following is a portion of a hip roof shown in floor plan view:
The eave is represented by a dashed line.
The distance from the outer main layer of the wall to the end of the eave is the overhang. It is defined in the Build Roof dialog.
The baseline of the roof plane is normally located over the outer main layer of the wall. Typically the line is green.
When you automatically generate roofs, the program constructs the baselines.
The baseline is defined as the line across the top of the rafters, directly above a wall's outside main layer. It can be used as pivot for the roof plane as you alter the pitch.
This is the upslope mark, which displays with the baseline and marks the "up" direction for this roof plane. The angle of the slope is controlled by the pitch defined in the Build Roof dialog.
Roof planes are drawn on the Roof Planes layer in the Layer Display Options dialog. See "Layer Display Options Dialog".
If the Roof Planes layer is turned off and Auto Rebuld Roofs feature is turned on, changes made to the plan that cause the roof to rebuild will not automatically turn on the display of the roof planes. See "Auto Rebuild Roofs".
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