Deleting Vertices

If it is necessary to delete vertices on the Opening Section boundary, Ground Surface, or Truncation Surface. This can be done with the Delete Vertices option. Delete Vertices is available on the toolbar, the Edit sub-menu of the Boundaries menu, or as a right-click option for individual vertices.

To delete vertices:

1. First, make sure the Opening Section view is selected.
2. Select Delete Vertices from the toolbar, the Edit sub-menu of the Boundaries menu, or the right-click menu.
3. You can select individual vertices by clicking on them with the left mouse button, or you can select multiple vertices by drawing a window around them (click and hold the left mouse button, and drag to create a window).
4. When you are finished selecting, press ENTER or right-click and select Done .
   All selected vertices will be deleted and the Opening Section will be redrawn using the remaining vertices.

Right-Click Shortcut for Individual Vertices

Individual vertices can be deleted using a right-click shortcut, as follows:

1. Locate the cursor over a vertex that you wish to delete.
2. Click the right mouse button, and the vertex will be "selected".
3. A popup menu will appear, from which you can select the Delete Vertex option.
4. Select Delete Vertex and the vertex will be deleted.