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Re: Accessible GIS coordinates

for

From: Olaf Drümmer
Date: Oct 30, 2013 5:47PM


Hi Bevi,

part of the problem might be that these are not unambiguous… - it could at least stand for inches or seconds. In other words - double prime can be more than one thing… As today's screen readers don't do a lot of context analysis they simply can't figure out whether it's an inch, a second, or what else… It looks like in this case Unicode did standardise a shape, not a character with a defined semantic.


Hmm - interesting problem.


Olaf




Am 31 Oct 2013 um 00:22 schrieb Chagnon | PubCom < <EMAIL REMOVED> >:

> Looking for recommendations on how best to present GIS coordinates in a PDF
> tour book. The tour book has a narrative description of the location, along
> with GIS coordinates.
>
> 2 questions:
>
> 1. The client’s original GIS format is Degrees / Minutes / Seconds.
> Sample: 41° 24' 12.1674", 2° 10' 26.508"
>
> In our screen reader tests, the minutes and seconds aren’t voiced regardless
> of which Unicode character is used — Prime U+2032 or U+02B9, and
> Double-Prime U+2033 or U+02BA.
>
> Is there another symbol for minutes and seconds to use that is voiced by
> screen readers? Is there another way to handle this?
>
> 2. Is there consensus on which GIS format to use? Three sample formats
> follow.
>
> · Decimal degrees: 41.40338, 2.17403
>
> · Degrees, minutes and seconds: 41° 24' 12.1674", 2° 10' 26.508"
>
> · Degrees and decimal minutes: 41 24.2028, 2 10.4418
>
> Thanks all,
>
> —Bevi Chagnon
>
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