The Reference Lines Tab

You can use the Reference Lines tab (Figure 9.16) to set attributes of reference lines displayed in the background of a plot.

Figure 9.16: The Reference Lines Tab

Style

specifies the style of the line used for reference lines.

Width

specifies the width of the line used for reference lines.

Color

specifies the color of the line used for reference lines.

Show X reference lines

specifies whether to show reference lines for the X axis. These are vertical lines originating at each tick mark on the X axis.

Show Y reference lines

specifies whether to show reference lines for the Y axis. These are horizontal lines originating at each tick mark on the Y axis.