Dear Chemistry folks,
Date: Wednesday February 20, 2019
Time: 15 UTC, 7:00 a.m. Pacific, 10:00 a.m. New York, 15:00 London, 16:00
Munich
IRC: irc.w3.org #epub3cg
Dial in: Zoom call see information after agenda
Agenda
1. Welcome to new folks
2. Identify scribe
3. Approve minutes
https://www.w3.org/2019/02/06-epub3cg-minutes.html
4. Scope is to identify best practice for EPUB 3 for formal Chemistry
representation, and also the casual notation such as H<sub>2</sub>O in
normal text.
5. Let us list options. I have heard several people suggest approaches.
We have not seen a example in code.
Looking at the issue tracker from Github at:
https://github.com/w3c/publ-cg/issues/66
Option 1:
I found a very promising post:
Zorkow commented
on Jul 25, 2018
I've worked extensively on accessible structural formulas and developed a
fully automatic workflow to
transform a bitmap images into accessible SVG diagrams. Have a look at
some examples here.
As chemical representation it uses CML plus embedded custom elements in a
separate namespace. In fact you could do the accessibility with the custom
elements
alone.
But if you already have CML --- or MOL or some other chemical identifier,
from any chemical drawing program or just from Wikipedia --- it is
effectively
is perfect.
The format also works as a basis for audio tactile diagrams (e.g., with the
ViewPlus tools).
We have just published it as best practice of publishing in the Netherlands
with
Dedicon
So I would regard the problem as solved for accessible representations of
structural formulas.
Reaction diagrams still need a bit of work, but really only on the
recognition side.
Option2: I believe some people feel an SVG with navigation and text labels
would also work. Who wants to explain this?
Option 3: MathML has the ability to represent Chemistry, to some extent.
MathML 4 work is moving forward in a W3C CG, and could ad some semantics for
Chemistry. Where are we with this option? The advances in MathJax beta 3 is
very promising and perhaps this work relates to our discussions.
6. Being practical---What format are publishers using today? Can a
transform be performed on what publishers have to what we are talking about?
7. Work to do before next call.
8. Next call. March 13 is in the middle of CSUN. March 20 is possible
(I may need to leave early again)
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