<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
h3
{mso-style-priority:9;
mso-style-link:"Heading 3 Char";
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:13.5pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
span.Heading3Char
{mso-style-name:"Heading 3 Char";
mso-style-priority:9;
mso-style-link:"Heading 3";
font-family:"Calibri",sans-serif;
font-weight:bold;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>A.7.2.2 LOA<span style='font-family:"Cambria Math",serif'>‑</span>4 Example with diamonds at Joint centres</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>https://www.web3d.org/documents/specifications/19774-1/V2.0/index.html</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>www.web3d.org/documents/specifications/19774-1/V2.0/HAnim/BodyDimensionsAndLOAs.html#LOA4ExampleSourceWithDiamonds</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The example should run as published.<o:p></o:p></p><p class=MsoNormal>Thanks, <o:p></o:p></p><p class=MsoNormal>Joe<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:yottzumm@gmail.com">John Carlson</a><br><b>Sent: </b>Tuesday, March 24, 2020 8:20 PM<br><b>To: </b><a href="mailto:joedwil@earthlink.net">Joseph D Williams</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org">X3D Graphics public mailing list</a><br><b>Subject: </b>Re: [x3d-public] Fuzz testing HAnim</p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I see 10 #VRML sections:</p><div><p class=MsoNormal><o:p> </o:p></p></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.3.2.1 LOA‑0: Example source in VRML</span><span style='color:black'><o:p></o:p></span></h3><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.3.2.2 LOA‑0 example with diamonds at Joint centres</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.4.2.1 LOA‑1 example source in VRML</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.4.2.2 LOA‑1 example with diamonds at Joint centres</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.5.2.1 LOA‑2 example source in VRML</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.5.2.2 LOA‑2 example with diamonds at Joint centres</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.6.2.1 LOA‑3 example source in VRML</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.6.2.2 LOA‑3 example with diamonds at Joint centres</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.7.2.1 LOA‑4 example source in VRML</span><span style='color:black'><o:p></o:p></span></h3></div><div><h3 style='margin-top:10.5pt'><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black;font-weight:normal'>A.7.2.2 LOA‑4 example with diamonds at Joint centres</span><span style='color:black'><o:p></o:p></span></h3></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Times New Roman",serif'>Which ones need work? Do you need fresh examples? Do you start from one of the above and generate the others?</span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Times New Roman",serif'>Thanks,</span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Times New Roman",serif'>John</span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Tue, Mar 24, 2020 at 10:10 PM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:</p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-left:4.8pt'>Do you have a particular section in mind inside Annex A?</p><div><p class=MsoNormal style='margin-left:4.8pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:4.8pt'>Thanks,</p></div><div><p class=MsoNormal style='margin-left:4.8pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:4.8pt'>John</p></div></div><p class=MsoNormal style='margin-left:4.8pt'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:4.8pt'>On Tue, Mar 24, 2020 at 10:08 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:</p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-left:9.6pt'>Will do. </p></div><p class=MsoNormal style='margin-left:9.6pt'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:9.6pt'>On Tue, Mar 24, 2020 at 9:53 PM Joseph D Williams <<a href="mailto:joedwil@earthlink.net" target="_blank">joedwil@earthlink.net</a>> wrote:</p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'>Please try starting by looking at the example in hanim annex A.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'>Joe</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'> </p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'><b>From: </b><a href="mailto:yottzumm@gmail.com" target="_blank">John Carlson</a><br><b>Sent: </b>Tuesday, March 24, 2020 7:51 PM<br><b>To: </b><a href="mailto:joedwil@earthlink.net" target="_blank">Joseph D Williams</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org" target="_blank">X3D Graphics public mailing list</a><br><b>Subject: </b>Re: [x3d-public] Fuzz testing HAnim</p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'> </p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'>Sorry for the late reply. My guess is I need some kind of rigging tool? Will blender do the job?</p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'> </p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'>What is the target language? I'm guessing we need some kind of interpolators?</p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'> </p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'>John</p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'> </p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'>On Mon, Oct 7, 2019 at 1:22 AM Joseph D Williams <<a href="mailto:joedwil@earthlink.net" target="_blank">joedwil@earthlink.net</a>> wrote:</p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>The thing is, we need to unfuzz hanim.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Unfuzz meaning making the stuff work more accurately.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>The first improvement would be more realistic joint models. Now we do joint rotations based on the idea that all joints work with the joint center of rotation fixed. Many joint types don’t actually do it this way, some slike and somehacve rotation centers change over the range. Some slide. X3d hanim doesn’t know about these joint types.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Notice how the skin works, being displaced due to the effect of several joints. We need a way for the joints and sites to be controlled the same way. First, for the joints, we need to be able to define a group of joints that can move toegehter, like the bones in the hands and feet.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Likewise, we nee a way for the site nodes to remain at the same skin vertex as the skin is deformed.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>All Best, </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Joe</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'><b>From: </b><a href="mailto:joedwil@earthlink.net" target="_blank">Joseph D Williams</a><br><b>Sent: </b>Friday, October 4, 2019 8:19 PM<br><b>To: </b><a href="mailto:yottzumm@gmail.com" target="_blank">John Carlson</a>; <a href="mailto:x3d-public@web3d.org" target="_blank">X3D Graphics public mailing list</a><br><b>Subject: </b>Re: [x3d-public] Fuzz testing HAnim</p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>John, sounds like you have a plan. What can we get from existing hanim animations? An interesting problem is successfully animating a transition from one scripted animation to another, like from one hand sign to another, smoothly and realistically. Unfortunately, the joint rotation constraints parameters are rarely implemented, that I have seen. </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Joe</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'><b>From: </b><a href="mailto:yottzumm@gmail.com" target="_blank">John Carlson</a><br><b>Sent: </b>Wednesday, October 2, 2019 7:10 PM<br><b>To: </b><a href="mailto:joedwil@earthlink.net" target="_blank">Joseph D Williams</a>; <a href="mailto:x3d-public@web3d.org" target="_blank">X3D Graphics public mailing list</a><br><b>Subject: </b>RE: Fuzz testing HAnim</p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Joe,</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'><br>It’s called fuzzing, if you want to look it up.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Perform or save a stochastic or chaotic animation (clips, possibly) to test limb and joint constraints, etc.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>John</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986" target="_blank">Mail</a> for Windows 10</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'><b>From: </b><a href="mailto:joedwil@earthlink.net" target="_blank">Joseph D Williams</a><br><b>Sent: </b>Wednesday, October 2, 2019 9:01 PM<br><b>To: </b><a href="mailto:yottzumm@gmail.com" target="_blank">John Carlson</a>; <a href="mailto:x3d-public@web3d.org" target="_blank">X3D Graphics public mailing list</a><br><b>Subject: </b>RE: Fuzz testing HAnim</p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Hi John, </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Please tell me what is a fuzz test.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>The basis is Humanoid (humanoid space), skeleton composed of joints and segments (skeleton space), skin composed of points (skin space), animation bindings for joints to skin, and animation for the joints. What do we want to fuzz around with?</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>All Best, </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Joe</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'><b>From: </b><a href="mailto:yottzumm@gmail.com" target="_blank">John Carlson</a><br><b>Sent: </b>Tuesday, October 1, 2019 3:24 PM<br><b>To: </b><a href="mailto:x3d-public@web3d.org" target="_blank">X3D Graphics public mailing list</a>; <a href="mailto:joedwil@earthlink.net" target="_blank">Joseph D Williams</a><br><b>Subject: </b>Fuzz testing HAnim</p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>To get familiar with HAnim, I want to generate a fuzz test for the nodes and fields.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Is anyone working on something similar?</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>Thanks,</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'>John</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p></div></div></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:19.2pt'> </p></div></div></blockquote></div></blockquote></div></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.2in'> </p><p class=MsoNormal><o:p> </o:p></p></div></body></html>