* [NTG-context] Using Farad with \unit messes up feet, µ not recognised as prefix
@ 2023-10-03 10:31 Marco Patzer
2023-10-03 13:42 ` [NTG-context] " Wolfgang Schuster
0 siblings, 1 reply; 4+ messages in thread
From: Marco Patzer @ 2023-10-03 10:31 UTC (permalink / raw)
To: mailing list for ConTeXt users
Hi!
I struggle using the unit Farad (unit of capacitance):
\starttext
%% prints 10 10 ft
\unit{10 F}
\unit{20 ft}
\registerunit [F=Farad]
\setupunittext [Farad=F]
%% prints 10 F 20 F⋅t
\unit{10 F}
\unit{20 ft}
\stoptext
When registering Farad as new unit it messes up feet. This looks
like a bug to me, since “20 ft” does not contain a capital “F” and
units are case-sensitive. How to use Farad correctly without messing
up other units?
2nd issue: The prefix “µ” is not recognised:
\starttext
%% prints 10 nm 20 30 µm
\unit{10 nm}
\unit{20 µm}
\unit{30 um}
\stoptext
I would expect “20 µm” to produce the correct result. Can we make
“µm” also produce the same result as “um”?
Marco
LMTX 2023.09.04 19:15
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* [NTG-context] Re: Using Farad with \unit messes up feet, µ not recognised as prefix
2023-10-03 10:31 [NTG-context] Using Farad with \unit messes up feet, µ not recognised as prefix Marco Patzer
@ 2023-10-03 13:42 ` Wolfgang Schuster
2023-10-03 14:27 ` Marco Patzer
0 siblings, 1 reply; 4+ messages in thread
From: Wolfgang Schuster @ 2023-10-03 13:42 UTC (permalink / raw)
To: mailing list for ConTeXt users, Marco Patzer
Marco Patzer schrieb am 03.10.2023 um 12:31:
> Hi!
>
> I struggle using the unit Farad (unit of capacitance):
The unit "farad" exists.
> \starttext
>
> %% prints 10 10 ft
> \unit{10 F}
> \unit{20 ft}
>
> \registerunit [F=Farad]
> \setupunittext [Farad=F]
>
> %% prints 10 F 20 F⋅t
> \unit{10 F}
> \unit{20 ft}
>
> \stoptext
>
> When registering Farad as new unit it messes up feet. This looks
> like a bug to me, since “20 ft” does not contain a capital “F” and
> units are case-sensitive. How to use Farad correctly without messing
> up other units?
The unit for feet is "foot" and "ft" is a combination of a prefix
(femto) and a unit (tonne).
You can list the individual parts in the log file with the
"physics.units" tracker.
To get a short unit you have to use the following method (it works
because farad exists):
\registerunitshortcut [F=farad]
Wolfgang
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^ permalink raw reply [flat|nested] 4+ messages in thread
* [NTG-context] Re: Using Farad with \unit messes up feet, µ not recognised as prefix
2023-10-03 13:42 ` [NTG-context] " Wolfgang Schuster
@ 2023-10-03 14:27 ` Marco Patzer
2023-10-03 15:06 ` Marco Patzer
0 siblings, 1 reply; 4+ messages in thread
From: Marco Patzer @ 2023-10-03 14:27 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Tue, 3 Oct 2023 15:42:57 +0200
Wolfgang Schuster <wolfgang.schuster.lists@gmail.com> wrote:
> Marco Patzer schrieb am 03.10.2023 um 12:31:
> > Hi!
> >
> > I struggle using the unit Farad (unit of capacitance):
>
> The unit "farad" exists.
You're right \unit{10 Farad} works.
> The unit for feet is "foot" and "ft" is a combination of a prefix
> (femto) and a unit (tonne).
Makes sense if you think about it. Never crossed my mind that ft not
meaning feet in this instance and also never contemplated the
existence of a “femto tonne”.
> You can list the individual parts in the log file with the
> "physics.units" tracker.
That gives some insight, indeed. Thanks.
What about:
\unit{10 um}
\unit{10 µm}
Can I assign µ to mean micro (prefix)?
Marco
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maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________
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2023-10-03 10:31 [NTG-context] Using Farad with \unit messes up feet, µ not recognised as prefix Marco Patzer
2023-10-03 13:42 ` [NTG-context] " Wolfgang Schuster
2023-10-03 14:27 ` Marco Patzer
2023-10-03 15:06 ` Marco Patzer
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