The Create boundary button or the
Draw/Cancel line button in the toolbar panel allow a line
to be drawn around the points with the left mouse button. The right mouse
the last point. The C key connects the line ends. After defining a line, the
Add Boundary to Map button automatically stores it in the file Border.brd and
links with the given object. The boundary can be deleted, stored in a file
of different name and later recovered. One can change the thickness and
border color or fully hide a boundary.
Also to add any existing line to the boundary lines:
1. Import the line.
2. Select the line by clicking the line name or double-clicking any vertex
of line. The selected line draw in red color.
3. Double-click the Boundary tree item or choose the
Boundary command from the Objects menu.
4. Press Add boundary button.
Width or line thickness is given in pixels beginning from zero. Width 0
and 1 appear the same in the screen. When zooming, however, for example in the package
Excel, a width of 1 increases; a width of 0 does not.