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Subject: [OASIS Issue Tracker] Updated: (OFFICE-1475) NEEDS-DISCUSSION:Public Comment: draw:extrusion-first-light-harsh (ODF all versions)
[ http://tools.oasis-open.org/issues/browse/OFFICE-1475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dennis Hamilton updated OFFICE-1475:
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Summary: NEEDS-DISCUSSION: Public Comment: draw:extrusion-first-light-harsh (ODF all versions) (was: Public Comment: draw:extrusion-first-light-harsh (ODF all versions))
Fix Version/s: ODF 1.2 Part 1 CD 5
(was: ODF 1.2)
Affects Version/s: ODF 1.2 Part 1 CD 4
The specification of harsh=true is not of interest in the graphics community. It is typically the default and not regarded as a feature. The specification of harsh=false is a matter of considerable interest and doubtless a variety of proprietary technologies. See OFFICE-2200.
PROPOSAL FOR RESOLUTION IN ODF 1.2.
1. Define draw:extrusion-first-light-harsh="true" and draw:extrusion-second-light-harsh="true", the defaults, to signify default harsh lighting, where harsh lighting is defined as undiffused point-source lighting impinging on the scene/shape as established by the other attributes governing those light sources.
2. Define the interpretation of draw:extrusion-first-light-harsh="false" and draw:extrusion-second-light-harsh="false" to each be implementation-dependent.
3. Specify that draw:extrusion-first-light-harsh="false" and draw:extrusion-second-light="false" are each deprecated.
4. If it seems warranted to include anything further, simply state that specific ways to identify non-harsh light sources is a subject for future specifications to address.
RATIONALE
1. Currently, there is no identification whatsoever of the significance for harsh="false".
2. Absent any speciific contribution on the topic from subject-matter experts, it seems not possible for the ODF TC to define it.
3. Since it is clearly implementation-dependent (assuming there are any implementations anywhere), we have provided no means for distinguishing between one implementation-dependent harsh="false" from another. To make this implementation-defined we need at a minimum some way to introduce nameSpacedToken values for identifying non-harsh light-source characteristics.
4. The means of softening light sources in computer graphics and animation is doubtless the subject of serious proprietary technologies so we should be concerned about an implementation-defined (and certainly implementation-dependent) offering being seriously proprietary and not available for implementation under the same IPR regime as the OASIS ODF specification itself.
5. I think the best thing to do is close this door as honorably as we are able and leave resolution for a future date.
> NEEDS-DISCUSSION: Public Comment: draw:extrusion-first-light-harsh (ODF all versions)
> -------------------------------------------------------------------------------------
>
> Key: OFFICE-1475
> URL: http://tools.oasis-open.org/issues/browse/OFFICE-1475
> Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
> Issue Type: Bug
> Components: Graphics
> Affects Versions: ODF 1.0, ODF 1.0 (second edition), ODF 1.1, ODF 1.2, ODF 1.2 Part 1 CD 4
> Reporter: Robert Weir
> Assignee: Patrick Durusau
> Priority: Minor
> Fix For: ODF 1.2 Part 1 CD 5
>
>
> Copied from office-comment list
> Original author: "Alex Brown" <alexb@griffinbrown.co.uk>
> Original date: 24 Apr 2009 09:47:22 -0000
> Original URL: http://lists.oasis-open.org/archives/office-comment/200904/msg00029.html
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