
Chapter II-12 — Graphs
II-271
The grid line dots may disappear if the dots are smaller than the dithering cell. The solution is to increase
the grid line thickness, or to choose a color that can be printed without dithering, like black.
The examples here show graphs with thicker than normal axis lines and the thickest grid lines (thickness of
1 instead of the default 1/4).
By default, the grid color is light blue, but you can change it using the Grid Color palette. You can also use
the Axis pop-up menu or the Graph Background pop-up menu to avoid a trip to the Modify Axis dialog.
Using the settings "Draw from" and "to" you can restrict the length of the grid lines. This is useful if you
have used the similar settings on the Axis tab to shorten one of your axes, and you want grid lines to match.
Zero Line
You can turn the Zero Line for the selected axis on or off by selecting or deselect-
ing the Zero Line checkbox.
The zero line is a line perpendicular to the axis extending across the graph at the
point where the value of the axis is zero. The Zero Line checkbox is not available
for log axes.
If you turn the zero line on then you will be able to choose the line style from the Style pop-up menu. The
thickness of the line can be set in fractional points from 0 to 5. The zero line has the same color as the axis,
see the section Axis Tab on page II-266 for information on setting the axis line color.
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 0
White Background
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 0
Colored Background
(same as gridStyle=2) (same as gridStyle=5)
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 1
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 2
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 3
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 4
0.5
0.0
1
2 3 4 5 6 7 8 9
10
Grid Style= 5
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