Alignment

Lets you specify the position of the rail in a placement area. The table at the bottom of the form lets you view the alignment of the selected boundary cells.

Show selected only

Clears the filter field and only shows selected cells.

Clear selected button

Deselects all cells.

Choose Library

Opens the Library Browser from which you can select the library that contains the required cells. A list of layout and abstract views in the selected library are displayed in the Cells pane.

Cells

Lists cells that have their component class set to BOUNDARYCELL. You can select the required boundary cells from the list.

If by default no boundary cells are listed, click Choose Library and select a library from the Library Browser. A list of layout and abstract views in the selected library are displayed in the Cells pane.

Alignment table

Mentions a number against each position of the rail in a placement area.