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--></style></head><body lang=EN-US link=blue vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='color:black;margin-left:0in;mso-list:l0 level1 lfo2'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;background:#EBEBEB'>HAnimMotion should have a skeletalConfiguration field similar to HAnimHumanoid to facilitate interoperability.</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'><br clear=all><br clear=all><span style='background:#EBEBEB'>SFString [in out] skeletalConfiguration "BASIC"<o:p></o:p></span></span></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The bvh skeleton(s) I have seen does not match any loa of HAnim. The shoulders and hips are different , along with any hands and feet joints provided are different. So, the skeletalConfiguration used for bvh derived skeleton should not list any current standard HAnim keyword for configuration or loa. </p><p class=MsoNormal>I still think we can do a good conversion from bvh skeleton to HAnim skeleton (bvh bone orientation to rotation of the appropriate parent joint of correct name) but I don’t think I have seen it yet.</p><p class=MsoNormal>Thanks,</p><p class=MsoNormal>Joe</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Sent: </b>Monday, December 26, 2022 6:19 PM<br><b>To: </b><a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a>; <a href="mailto:h-anim@web3d.org">h-anim@web3d.org</a><br><b>Subject: </b>[x3d-public] Mantis 1415: HAnimMotion issues: skeletalConfiguration,totalNumberFrames</p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Comment requested.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo1'>https://www.web3d.org/member-only/mantis/view.php?id=1415<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'>1. HAnimMotion should have a skeletalConfiguration field similar to HAnimHumanoid to facilitate interoperability.</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>SFString [in out] skeletalConfiguration "BASIC"</span><br clear=all><br clear=all><span style='background:#EBEBEB'>* HAnim2 vol. 1, 4.8 Modelling of humanoids</span><br clear=all><span style='background:#EBEBEB'>* </span></span><a href="https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/concepts.html#ModellingOfHumanoids"><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:royalblue;background:#EBEBEB;text-decoration:none'>https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/concepts.html#ModellingOfHumanoids</span></a><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>* X3D Architecture, 26.3.2 HAnimHumanoid</span><br clear=all><span style='background:#EBEBEB'>* </span></span><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimHumanoid"><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:royalblue;background:#EBEBEB;text-decoration:none'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimHumanoid</span></a><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>----</span><br clear=all><br clear=all><span style='background:#EBEBEB'>2. Need a field describing number of rows in a motion value array, otherwise (if no channelsEnabled array is provided) there is no unambiguous way to determine the correct value. Suggested:</span><br clear=all><br clear=all><span style='background:#EBEBEB'>SFInt32 [in out] totalNumberFrames [0, +infinity)</span><br clear=all><br clear=all><span style='background:#EBEBEB'>* HAnim2 vol. 2, 6.3 Data structure of Motion object</span><br clear=all><span style='background:#EBEBEB'>* </span></span><a href="https://www.web3d.org/documents/specifications/19774/V2.0/MotionDataAnimation/MotionNodes.html#MotionObject"><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:royalblue;background:#EBEBEB;text-decoration:none'>https://www.web3d.org/documents/specifications/19774/V2.0/MotionDataAnimation/MotionNodes.html#MotionObject</span></a><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>* X3D Architecture, 26.3.4 HAnimMotion</span><br clear=all><span style='background:#EBEBEB'>* </span></span><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimMotion"><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:royalblue;background:#EBEBEB;text-decoration:none'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimMotion</span></a><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>----</span><br clear=all><br clear=all><span style='background:#EBEBEB'>3. If accepted, each of these needs a corresponding Mantis comment for future revision of HAnim2.</span></span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, Navy robotics https://</span> <span style='font-size:10.0pt;font-family:"Courier New"'>faculty.nps.edu/brutzman<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>