August 21th, 2013 at 5:00pm PDT, Agenda and Minutes
Attendees: Myeong Won Lee, Joe Williams, Don Brutzman, Dick Puk, William Glascoe
Agenda:
1. Regular meeting times
On August 7, Joe mentioned: Let's meet every Wednesday. Once a month is not enough for what we need to do. Based on Joe's request, the regular H-Anim meeting will be held every Wednesday at 5pm PDT. I may or may not be able to attend each week, due to the inflexibility of my work schedule. If I have no other meetings (e.g. Korea Chapter, CAD, AR, e-Learning) to attend in a given week, I will attend the H-Anim WG meeting. However, I encourage any H-Anim WG member to give prior notice and hold an H-Anim WG meeting whenever they feel it is necessary to speed up the progression of agenda items.
2. Th e 10 H-Anim game characters
- updated and uploaded to the H-Anim Wiki http://web3d.org/wiki/index.php/H-Anim#Resources http://www.web3d.org/membership/login/documents/navega.php?PHPSESSID=fe89f0184573c6c3409ecbd4a9b3697f&dir=.%2FH-Anim%20WG http://www.web3d.org/membership/login/documents/accion.php?PHPSESSID=fe89f0184573c6c3409ecbd4a9b3697f&dir=.%2FH-Anim%20WG%2FAll10Characters All characters have been scaled with (scale 0.0225 0.0225 0.0225). All characters display properly in both BS Contact and Octaga. However, I still don't fully understand why we have to manually insert this scaling into the x3d files. - personalitiies requested by Don ==> under consideration. These will be fabricated as the characters were generated as generic avatars for a VR edutainment game with no distinct personality traits at the time of generation.
3. Resolution problem in wrl and x3d
- resolution comparison between max, wrl, and x3d - Ideally, general graphics tools should generate wrl files with high resolution - or, wrl and x3d browsers should display them in high resolution - or, the wrl-to-x3d converter should insert the CreaseAngle value? Should the wrl-to-x3d H-Anim conversion include a value for CreaseAngle?
How should this value be determined? It up to the viewer to determine. The resolution of the figure is not affected by any setting of the crease angle.
http://www.web3d.org/x3d/content/examples/Conformance/Geometry/IndexedFaceSet/_pages/page21.html
<IndexedFaceSet colorPerVertex='false' creaseAngle='6.27' colorIndex='0 0 0 0 0 0 0 0 0 0 0 0 0 ...
http://www.web3d.org/x3d/content/examples/Conformance/Geometry/IndexedFaceSet/_pages/page20.html
<IndexedFaceSet colorPerVertex='false' creaseAngle='1.5' colorIndex='0 0 0 0 0 0 0 0 0 0 0 ...
4. H-Anim behaviors
- Questions about pitch, yaw, and roll among the behaviors: MWL wonders if these aviation terms appropriate for humanoids?
Joe thinks they are appropriate. Dick thinks it is not a good idea to use the terms because they are context dependent. Joe rationalizes his diction by explaining how the shoulder moves. Don's non-value judgement is 1) humanoids are unique so the behaviors are unique and an author's choice. 2) it's not they are wrong; it's just confusing to others 3) Dick recounts the discovery of the use of various pitch, roll and yaw interpretations during technical exchanges with mathematicians for another ISO specification.
Don recommends with come up with different names because pitch, roll and yaw will not work for the specification.
5. H-Anim presentations at the SC24 Sydney Meeting, August 26-30, 2013
1) H-Anim specification revision (NWIPs and WD Outlines) and current status of H-Anim developments, Myeong Won Lee 2) H-Anim facial animation, Jung-Ju Choi 3) H-Anim hands and feet animation, Kwan-Hee Yoo (Kwan-Hee Yoo will talk about this topic)
6. Schedule next meeting
We will skip next week’s meeting due to the SC24 Sydney meeting so the next H-Anim WG meeting will be (1st Wed) September 4th at 5:00pm PDT (5th, 9:00am KST).