To add
a line to a graph:
-
Click
the line icon
in the Graph toolbar, or select
InsertLine from the main menu.
-
Position
your cursor at a starting position in the graph.
-
Click
and drag to create the line in the graph.
You can
control the line as follows:
-
If you press the CTRL key and then
click and drag, the line is created from the center and moves outward.
-
If you press SHIFT and then click
and drag, then the line's orientation stays in multiples
of 15 degrees. You can create a perfect horizontal or vertical line
this way. You can also rotate the line in 15 degree increments to
create a diagonal line.
-
If you press CTRL+SHIFT and then
click and drag, the line is created from the center, moves outward,
and can be rotated in 15 degree increments.