ISSUE-21: window anchor points not supported?

window anchor points

window anchor points not supported?

State:
CLOSED
Product:
TTML2
Raised by:
Pierre-Anthony Lemieux
Opened on:
2008-12-05
Description:
Interoperability with current practice in US captioning has been expressed as a desirable goal, however CEA 708 offers window anchor points - no equivalent mechanism exists in DFXP (but could possibly be faked by combination of region extent, origin, displayAlign and textAlign properties).

Should anchor points be added to the style set for use on regions?
Related Actions Items:
No related actions
Related emails:
  1. {minutes} TTWG Meeting 2014-12-18 (from nigel.megitt@bbc.co.uk on 2014-12-18)
  2. {agenda} TTWG Meeting 2014-12-18 (from nigel.megitt@bbc.co.uk on 2014-12-17)
  3. RE: {minutes} TTWG Meeting 2014-12-04 (from John.Birch@screensystems.tv on 2014-12-04)
  4. Re: {minutes} TTWG Meeting 2014-12-04 (from glenn@skynav.com on 2014-12-04)
  5. {minutes} TTWG Meeting 2014-12-04 (from nigel.megitt@bbc.co.uk on 2014-12-04)
  6. {agenda} TTWG Meeting 2014-12-04 (from nigel.megitt@bbc.co.uk on 2014-12-03)
  7. {minutes} TTML Meeting of 24/10/13 (from glenn@skynav.com on 2013-10-24)
  8. RE: TTML Agenda for 24/10/13 (from mdolan@newtbt.com on 2013-10-23)
  9. TTML Agenda for 24/10/13 (from nigel.megitt@bbc.co.uk on 2013-10-23)
  10. RE: RE: Re: Re: TTML and aspect ratio (from John.Birch@screensystems.tv on 2013-02-04)
  11. RE: RE: Re: Re: TTML and aspect ratio (from Sean.Hayes@microsoft.com on 2013-02-01)
  12. RE: RE: Re: Re: TTML and aspect ratio (from Sean.Hayes@microsoft.com on 2013-02-01)
  13. RE: RE: Re: Re: TTML and aspect ratio (from John.Birch@screensystems.tv on 2013-02-01)
  14. RE: Re: Re: TTML and aspect ratio (from Sean.Hayes@microsoft.com on 2013-01-31)
  15. {minutes} TTML Agenda for 5/4/12 (from glenn@skynav.com on 2012-04-05)
  16. [minutes] teleconference 20090123 (from plh@w3.org on 2009-01-26)

Related notes:

re-opening for v-next

Sean Hayes, 15 Feb 2012, 12:16:07

[glenn]: defer

5 Apr 2012, 14:51:50

Nigel: P2 if we find an owner...

Philippe Le Hégaret, 24 Oct 2013, 14:59:32

not a blocker for TTML2

Philippe Le Hégaret, 24 Oct 2013, 15:00:27

Add tts:position support [1][2], which allows root container region and content regions to be positioned using anchor points and edges.

[1] https://dvcs.w3.org/hg/ttml/rev/272442265008
[2] https://dvcs.w3.org/hg/ttml/rev/ea90546bc247

Glenn Adams, 30 Nov 2014, 19:53:08

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David Singer <singer@apple.com>, Nigel Megitt <nigel.megitt@bbc.co.uk>, Chairs, Thierry Michel <tmichel@w3.org>, Philippe Le Hégaret <plh@w3.org>, Staff Contacts
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