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- 1.
- tick must be 1, 2, or 3. Annotations/ticks will
then occur at 1, 1-–2–-5, or 1,–2,–3,–4–,...–,9, respectively.
- 2.
- Append l to tick. Then, log10 of the annotation
is plotted at every integer log10 value.
- 3.
- Append p to tick. Then, annotations appear as 10
raised to log10 of the value (e.g., 10-5).
Figure 1.7:
Logarithmic projection axis using separate values for anotation,
frame, and grid intervals. (top) Here, we have chosen to anotate the actual
values. Interval = 1 means every whole power of 10, 2 means 1, 2, 5 times
powers of 10, and 3 means every 0.1 times powers of 10. We used
-R1/1000/0/1 -JX3l/0.4 -Ba1 f2 g3.
(middle) Here, we have chosen to
anotate log10 of the actual values, with -Ba1 f2 g3 l.
(bottom) We anotate every power of 10 using log10 of the actual values
as exponents, with -Ba1 f2 g3 p.
 |
Next: Options for exponential axes
Up: The -B option
Previous: The -B option
Paul Wessel
1999-12-03