Displays a list containing items to add or modify the current truss.

Toggles whether all items in category list are on or off. Rather than selecting each individually this can be quicker.

Opposite of All.

Selects all of the items in the Category lists

Dimension fields display for the current selected Category list box item. Enter new values or accept the default values.

Select a family for roof elements. The family description displays next to it.

Select a part for roof elements.

Distance or length between the two outside gables.

Distance or length between the two inside gables.

If on, the first and last trusses are placed at a distance defined by the Length Outside Gables.

• Delta — The distance between two roof trusses.
• Number — The total number of trusses.

Saves the settings and closes the dialog.

Closes the dialog without saving the settings file.