Re: How should a two-digit airport runway number be represented in XML?

Nothing like reality to add spice to a good theory.

--Debbie

> On Jun 24, 2024, at 1:13=E2=80=AFPM, Thomas Passin =
<[email protected]> wrote:
>=20
> On 6/24/2024 11:36 AM, Norm Tovey-Walsh wrote:
>>> "Runways, all runways, have a 2-digit number that represents the =
magnetic heading of the runway to the nearest 10 degrees. If the =
runway's heading is 265 =E2=80=94 274 degrees, then the runway number is =
27 =E2=80=94 always drop the last =E2=80=9C0.=E2=80=9D The opposite end =
of the runway is 180 degrees apart, so Runway 09 (90 degrees)."
>>>=20
>>> How to represent a runway number in XML?
>> As ever, =E2=80=9Cit depends=E2=80=9D. Without knowing more about the =
context, I can only appeal to my aesthetic sense and intuition.
>>> What do you think? Which form is better?
>> Given that the computer doesn=E2=80=99t care if it=E2=80=99s 9 or 09, =
I=E2=80=99d probably store the value as 09. That will be familiar and =
natural to a human pilot familiar with reading runway signs. Or an =
experienced technical writer used to documenting airport designs.
>> Don=E2=80=99t confuse the human is always a good design choice.
>=20
> To make things a bit more interesting, pilots don't speak it as =
"Oh-nine".  They say "nine".  When I learned to fly at Honolulu =
International, there were two parallel runways 04.  We would call them =
"four-left" and "four-right".  The tower controller would say things =
like "Piper zero-six-zero cleared for intersection takeoff runway four =
left".
>=20
>=20
>>                                         Be seeing you,
>>                                           norm
>> --
>> Norm Tovey-Walsh <[email protected]>
>> https://norm.tovey-walsh.com/
>>> The test of courage comes when we are in the minority. The test of
>>> tolerance comes when we are in the majority.--Ralph W. Sockman
>=20
>=20
> =
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>=20
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>=20

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Deborah A Lapeyre              mailto:[email protected]
Mulberry Technologies, Inc.    http://www.mulberrytech.com
Rockville, MD 20851            Phone: 301-315-9631 (USA)
----------------------------------------------------------------
Mulberry Technologies: Consultancy for XML, XSLT, and Schematron
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