It looks like something has changed in the options when using the _Line command. In V8 if you wanted your line Perpendicular to a curve you hit ‘P’, in V9 this has changed, the ‘r’ is underscored instead. Doesn’t make sense to change from what did make sense :man_shrugging:t3:

Yeah, that looks like a bug. The V8 FourPoint option previously had F as a shortcut which left P available for Perpendicular, in the WIP FourPoint has been renamed to 4Point (no idea why) and since shortcuts must be letters and not numbers, the P got taken over by that…

the reason is explained here: RH-79314 Line: FourPoint option is renamed 4Point

if its by design fair enough, I still don’t get it :man_shrugging:t3:

Underlined letters have never been very consistent across commands, since they get assigned based on the first available character. So in Sphere, 4Point is not p but i. This would need a more general debate about how that is handled I think.

[image] Gijs de Zwart: the reason is explained here: RH-79314 Line: FourPoint option is renamed 4Point Well in this case the ‘reason’ may make it match semantically, but does not work practically, plus the change also risks to invalidate macros. So personally I think it’s shooting yourself i…

yes, in case someone has a macro _Line p instead of _Line Perpendicular, that would screw up the macro. I would also prefer having the p for perpendicular. RH-94757 _Line option Perpendicular is r instead of p

sometimes the old cliche of-‘if it ain’t broke, don’t fix it’ should be considered :upside_down_face:

_Line options (Perpendicular)

Serengeti (Rhino WIP)

brian (Brian Gillespie) April 21, 2026, 10:15pm 9

RH-94757 is fixed in Rhino WIP

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_Line options (Perpendicular)

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