Adding and removing corners

The selection markers of objects always have the same size independent of the zoom step. The minimal size is two pixels.

For more information on zooming elements refer to chapter Editor / Toolbars Pictures. Pictures

Adding and removing corners in polylines / polygons / tubes:

Context menu of Polyline, Polygon and Tube.

Adding corners:

If the mouse cursor is on the line of a polyobject, the right mouse button opens the context menu. With the entry Add a corner to the selected element a new corner is added at the current position. As an alternative the keys Ctrl and Shift can be pressed simultaneously. On the line of a polyobject the mouse cursor then changes to an arrow with a + and a corner can be added with a mouse click.

Removing corners:

If the mouse cursor is on a corner of a polyobject, after a right mouseclick the entry Delete corner in the selected element is available in the context menu. Thus the corner is deleted. As an alternative the keys Ctrl and Shift can be pressed simultaneously. On a corner of a polyobject the mouse cursor now becomes an arrow with a - and the corner can be removed with a mouse click.