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GMT programs may get operational parameters from several places:
- Supplied command line options/switches or program defaults.
- Short-hand notation to select previously used option arguments
(stored in .gmtcommands4).
- Implicitly using GMT defaults for a variety of parameters
(stored in .gmtdefaults4).
- May use hidden support data like coastlines or PostScript patterns.
Next: 1.2.3 Output data
Up: 1.2 The GMT environment:
Previous: 1.2.1 Input data
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Paul Wessel
2006-05-31