Lines outline colored areas (for instance, as edges of columns in a column chart) or stand alone as pointers in a speedometer chart.
You can change the following things for lines:
· Color
· Format (for example, solid or dotted)
· Width of the line in pixels
For lines that display data series in a chart, you can also define the line type (whether the line between data points is straight, curved, or incremented).
...
1. Select the element in which you want to format a line.
2. Choose the required property (for example, Minor Ticks in a bar chart).
3. Change the line as required.
The chart preview changes according to your entries.
See also: Assigning Colors.
You can change the line type of a chart that has at least one data series of the type profile or line.
...
1. Select the property Data Series Format → <name of data series>.
2. Choose the required entry from the Line Type list.
The chart preview changes according to your entries.