ISSUE-35: opacity is specified as a float value

opacity float value

opacity is specified as a float value

State:
CLOSED
Product:
TTML 1.0
Raised by:
Sean Hayes
Opened on:
2008-12-09
Description:
opacity is specified as a float value, implying an inordinate (and completely untestable) set of gradations of alpha; while colour alpha is specified as only 255 steps.
A possible type for <alpha> :

<simpleType name='alpha'>
<restriction base='decimal'>
<totalDigits value='4'/>
<fractionDigits value='3'/>
<minInclusive value='0'/>
<maxInclusive value='1'/>
</restriction>
</simpleType>

Related Actions Items:
No related actions
Related emails:
  1. Agenda for TT telecon 9th April (from Sean.Hayes@microsoft.com on 2009-04-09)
  2. [minutes] Timed Text Working Group Teleconference 20090220 (from plh@w3.org on 2009-02-20)

Related notes:

http://www.w3.org/mid/90EEC9D914694641A8358AA190DACB3D2FCEA61C95@EA-EXMSG-C334.europe.corp.microsoft.com

Philippe Le Hégaret, 9 Dec 2008, 14:07:17

This needs an update to the schema (ISSUE-53)

Philippe Le Hégaret, 20 Feb 2009, 16:25:24

resolved in TTAF1-DFXP 20090415 update

Glenn Adams, 16 Apr 2009, 02:53:04

Changelog:

Created issue 'opacity is specified as a float value' nickname opacity float value owned by Philippe Le Hégaret on product , description 'opacity is specified as a float value, implying an inordinate (and completely untestable) set of gradations of alpha; while colour alpha is specified as only 255 steps.
A possible type for <alpha> :

<simpleType name='alpha'>
<restriction base='decimal'>
<totalDigits value='4'/>
<fractionDigits value='3'/>
<minInclusive value='0'/>
<maxInclusive value='1'/>
</restriction>
</simpleType>

' non-public

Philippe Le Hégaret, 9 Dec 2008, 14:07:02

Issue dissociated from any product

Philippe Le Hégaret, 9 Dec 2008, 14:07:17

Product changed to DFXP 1.0

Philippe Le Hégaret, 9 Dec 2008, 14:07:28

Owner changed to 'Sean Hayes'

Philippe Le Hégaret, 9 Dec 2008, 23:03:39

Status changed to 'closed'

Glenn Adams, 16 Apr 2009, 02:53:04


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
Tracker: documentation, (configuration for this group), originally developed by Dean Jackson, is developed and maintained by the Systems Team <w3t-sys@w3.org>.
$Id: index.php,v 1.325 2014-09-10 21:42:02 ted Exp $