Rafter Size

Specifies the rafter size in width x height, in current file units. Sizes can be edited by selecting Edit List (see Custom Frame Element Sizes).

Dormer Rafter Size

If the roof contains dormer windows, enter the size, in Width x Height, of the dormer rafters

Minimum Spacing

Specifies the minimum distance allowed between rafters

Maximum Spacing

Specifies the maximum distance allowed between rafters; for consistent rafter spacing of the entire roof, the Minimum and Maximum Spacing values should be equal

Set top of Rafters to

Top of Roof object

Matches the tops of the rafters to the top of the roof object

Bottom of Roof object

Treats the roof object as a roof deck and matches the tops of the rafters to the bottom of the roof

Match Rafters across Ridges/Hips/Valleys

Select to ensure that opposing rafters meet on the roof ridges, hips, and valleys

Class

Select a class for the roof element to control its appearance and visibility. The classes present in the drawing are listed; alternatively select the currently active class or create a new class from the Organization dialog box by clicking Classes (see Classes).

Classes

Edits class attributes

Object Attributes

Specifies the rafter attributes