Difference between revisions of "Plans for Merging X3D AR Proposals"

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(New page: This page is for discussing plans for merging X3D AR proposals, compared in here. Yvonne Gun Gerard Kim)
 
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This page is for discussing plans for merging X3D AR proposals, compared in here.
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This page is for discussing plans for merging X3D AR proposals, compared in [[Comparison of X3D AR Proposals]].
  
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Yvonne
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These are the steps we will take as a process of merging the X3D AR proposals:
  
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Gun
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1. Discuss general strategy/policy/guidelines
 +
* General design guidelines in Web3D consortium level? → Not in explicit form, but there are in the concept sections of node specifications.
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* Notes from Don and Dick:
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** When a new field is added to a node, carefully choose a default value for backward compatibility.
 +
** For consistency, mixing multiple functions into a single node is not recommended.
 +
** Device independence is taken for granted.
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** For identifying devices, URNs could be a proper way to describe them.
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** Metric for names - We have the right name if nobody asks about it anymore.
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** Start with designing abstract functionality first and then move on to the node specification.
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** Build examples/use cases and use them as a test for integrity.
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* Rule of thumb
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** From the scene writer's point of view, preferably less code for commonly/frequently used features, while detail control available for special cases.
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** From the user's (viewer's) point of view, the scene should be adopted to the hardware/software environment (tracker, camera device, browser, etc.) given user has. In other words, scene writer should not specify hardware/software environment in the scene, which is on the users' side.
  
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Gerard Kim
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2. Produce a merged proposal for each functional components
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* Investigate each functional features stepwise: [[Discussions for Merging X3D AR Proposals]]
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** Camera video stream image into the scene (texture and background)
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** Tracking (including support for general tracking devices)
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** Camera calibration (viewpoints)
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** Others (color-keying, depth occlusion)
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[http://docs.google.com/document/d/1BXkeaj0RVdoLpj-vBzuVRlpgF7UbQDNtpTCUF5ocQqw/edit Merged proposal - Working Draft]
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3. Check Integrity of the merged proposal
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* Check and resolve conflicts between individual functional components
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* Merge overlapping features between individual functional components
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4. Write specification
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5. Review

Latest revision as of 21:18, 1 February 2013

This page is for discussing plans for merging X3D AR proposals, compared in Comparison of X3D AR Proposals.

These are the steps we will take as a process of merging the X3D AR proposals:

1. Discuss general strategy/policy/guidelines

  • General design guidelines in Web3D consortium level? → Not in explicit form, but there are in the concept sections of node specifications.
  • Notes from Don and Dick:
    • When a new field is added to a node, carefully choose a default value for backward compatibility.
    • For consistency, mixing multiple functions into a single node is not recommended.
    • Device independence is taken for granted.
    • For identifying devices, URNs could be a proper way to describe them.
    • Metric for names - We have the right name if nobody asks about it anymore.
    • Start with designing abstract functionality first and then move on to the node specification.
    • Build examples/use cases and use them as a test for integrity.
  • Rule of thumb
    • From the scene writer's point of view, preferably less code for commonly/frequently used features, while detail control available for special cases.
    • From the user's (viewer's) point of view, the scene should be adopted to the hardware/software environment (tracker, camera device, browser, etc.) given user has. In other words, scene writer should not specify hardware/software environment in the scene, which is on the users' side.

2. Produce a merged proposal for each functional components

  • Investigate each functional features stepwise: Discussions for Merging X3D AR Proposals
    • Camera video stream image into the scene (texture and background)
    • Tracking (including support for general tracking devices)
    • Camera calibration (viewpoints)
    • Others (color-keying, depth occlusion)

Merged proposal - Working Draft

3. Check Integrity of the merged proposal

  • Check and resolve conflicts between individual functional components
  • Merge overlapping features between individual functional components

4. Write specification

5. Review

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