Right now in our plan and profile drawing seed files, we can only anchor a clip boundary from its left-most point. This works if users always place the same linear distance on each sheet, but if the user wants to vary the project length shown on each sheet (e.g. they have a curvy road and want to place only 600 feet of roadway length per sheet, but we setup the sheet seeds to place 800 feet), the clip boundaries are all off-center. It would be great to have the option to anchor the clip boundaries to their center point rather than their left-most point. This would let any length of clip show on the center of the page.