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psbasemap: fix -Ba -Bz on classic #8997

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Merged
joa-quim merged 2 commits into from
Apr 23, 2026
+8 −1
Merged

psbasemap: fix -Ba -Bz on classic #8997

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3809729
psbasemap: fix -Ba -Bz on classic
joa-quim Apr 22, 2026
b5850d6
Better fix that does not break some classic mode tests.
joa-quim Apr 23, 2026
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9 changes: 8 additions & 1 deletion src/gmt_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4701,7 +4701,7 @@ bool gmtlib_B_is_frame (struct GMT_CTRL *GMT, char *in) {
if (strstr (in, "+u")) return false; /* Found a +u so likely axis */
if (in[0] != 'z' && strchr ("WESNZwenzlrbtu", in[0])) return true; /* Found one of the side specifiers so likely frame (check on z since -Bzaf could trick it) */
if (in[0] == 's' && (in[1] == 0 || strchr ("WESNZwenzlrbtu", in[1]) != NULL)) return true; /* Found -Bs (just draw south axis) or -Bs<another axis flag> */
if (in[0] == 'z' && (in[1] == 0 || strchr ("WESNwenlrbtu", in[1]) != NULL)) return true; /* Found -Bz in frame context, e.g. -Bzwn */
if (in[0] == 'z' && in[1] != 0 && strchr ("WESNwenlrbtu", in[1]) != NULL) return true; /* Found -Bz in frame context, e.g. -Bzwn (bare -Bz is axis context) */
return false; /* Cannot be frame */
}

Expand Down Expand Up @@ -18649,6 +18649,13 @@ int gmt_parse_common_options (struct GMT_CTRL *GMT, char *list, char option, cha
strncpy (args, item, GMT_LEN256-1);
error = gmtlib_parse_B_option (GMT, args);
}
else if (GMT->common.J.zactive && !GMT->current.map.frame.set[GMT_Z] && item[q] == 'z' && item[q+1] == '\0') {
/* Classic mode: expand bare -Bz to -Bzaf when z-axis is active but has no annotation settings yet */
char args[GMT_LEN256] = {""};
if (q) args[0] = item[0];
strcat(args, "zaf");
error = gmtlib_parse_B_option(GMT, args);
}
else
error = gmtlib_parse_B_option (GMT, item);
}
Expand Down
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