1.7.3.1 Exercises

1. Add the -–V option.

2. Try -–R270/290/0/20 instead. What happens to the annotations?

3. Edit your .gmtdefaults file and change DEGREE_FORMAT to a number in the 0–-4 range.

4. Pick another region and change land color.

5. Pick a region that includes the north or south poles.

6. Try -–W0.25p instead of (or in addition to) -–G.