PC-DMIS lets you select the boundary points by using surface CAD data.
When using CAD surface data:
Make sure that you have imported solid CAD data.
Select that the Draw Surfaces icon .
Select a boundary point by clicking on the desired location in the Graphic Display window. PC-DMIS highlights the selected surface and automatically updates the value of the currently selected Boundary point. PC-DMIS then moves the focus to the next boundary point (if any are available). For PATCH scans, PC-DMIS automatically adds an extra boundary point if the current point is the last point in the list.