AliasSystem: Support adding a suffix to a value and simplify Figure.wiggle #4259
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seisman
added
enhancement
seisman
commented
Dec 9, 2025
| # - If any Alias has a suffix, return a list of values, for repeated GMT options | ||
| # like -Cblue+l -Cred+r | ||
| # - Otherwise, concatenate into a single string for combined modifiers like | ||
| # -BWSen+ttitle+gblue. |
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G=[
Alias(fillpositive, name="fillpositive", suffix="+p"),
Alias(fillnegative, name="fillnegative", suffix="+n"),
],
Taking wiggle's -G option as an example. In the previous version, the values will be concatenated into a single string, so fillpositive="blue", fillnegative="red" will be -Gblue+pred+n, which is invalid.
I've updated the logic of AliasSystem, so that it will return a list of values, rather than concatenating them, when any Alias has a suffix.
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This PR adds
suffixsupport to theAliasclass, which is necessary to support some options, e.g.,wiggle's-Goption has a syntax-Gfill[+n][+p]. Currently, we have to write a custom function to parse the argument. With thesuffixsupport, it can be greatly simplified.