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D. Slab Alignment dialog

Used to define the X axis of the slab.

Opens when:

Perimeter Node Used to define a line from one perimeter node to another representing the x axes of the slab. The drop down lists contains all the perimeter nodes.
Component Plate Used to realign the slab axis with the local axis of the selected element from the list.
Additional Rotation This value specified the further rotation of the slab axis by the specified angle in degrees.
OK Accepts the slab alignment parameters and closes the dialog.
Cancel Closes the dialog without saving any settings.