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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Thanks Joe, excellent addition. I added a warning note to X3D-Edit HAnimSite panel to remind about proper suffix, changes color to darkorange if that naming convention not observed.<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:l3 level1 lfo5'>X3D Tooltips: HAnimSite, name<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo5'><b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:#EE5500'>Warning:</span></b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:black;background:#EEFFEE'> HAnimSite name must end in '_tip' or '_view' or '_pt' suffix.</span><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo5'>https://www.web3d.org/x3d/tooltips/X3dTooltips.html#HAnimSite.name<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Updated node:<o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <HAnimSite DEF='a_feature01_tip' name='feature01_tip'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <Shape DEF='SiteVisualization'/><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </HAnimSite><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Also added Group as parent of multiple Humanoids as recommended by<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo5'>HAnim2 Part 1, HAnim architecture, E.4 Multiple humanoids per file<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo5'>https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/Guidelines.html#MultipleHumanoidsPerFile<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Checked into version control, archive update in progress.<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo5'><i><span style='font-family:"Times New Roman",serif;color:black'>X3D Example Archives: </span></i><span style='font-family:"Times New Roman",serif;color:black'>Humanoid Animation, Skin, Design Patterns Apparel Medical Skin Layers</span><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo5'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/DesignPatternsApparelMedicalSkinLayersIndex.html<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img width=299 height=287 style='width:3.1166in;height:2.9916in' id="Picture_x0020_1" src="cid:image001.png@01D9190F.5D4C36E0"><o:p></o:p></p><div><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></div><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Joseph D Williams <joedwil@earthlink.net> <br><b>Sent:</b> Sunday, December 25, 2022 12:31 PM<br><b>To:</b> Brutzman, Donald (Don) (CIV) <brutzman@nps.edu>; X3D Public Mailing List (x3d-public@web3d.org) <x3d-public@web3d.org><br><b>Cc:</b> h-anim@web3d.org; Brutzman, Donald (Don) (CIV) <brutzman@nps.edu><br><b>Subject:</b> RE: Design patterns for HAnimHumanoid skin and apparel using HAnim2standard in X3D4<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>In the example:<o:p></o:p></p><p class=MsoNormal><HAnimHumanoid DEF='a.SimpleSkeleton' name='SimpleSkeleton' version='2.0'><o:p></o:p></p><p class=MsoNormal><HAnimJoint containerField='skeleton' name='humanoid_root' ulimit='0 0 0' llimit='0 0 0'><o:p></o:p></p><p class=MsoNormal><HAnimSegment name='sacrum'><o:p></o:p></p><p class=MsoNormal><Shape DEF='JointVisualization'/><o:p></o:p></p><p class=MsoNormal><Shape DEF='SegmentVisualization'/><o:p></o:p></p><p class=MsoNormal></HAnimSegment><o:p></o:p></p><p class=MsoNormal></HAnimJoint><o:p></o:p></p><p class=MsoNormal></HAnimHumanoid><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Under Segment, probably will use:<o:p></o:p></p><p class=MsoNormal>…<o:p></o:p></p><p class=MsoNormal><HAnimSegment name='sacrum'><o:p></o:p></p><p class=MsoNormal> <Shape DEF='JointVisualization'/><o:p></o:p></p><p class=MsoNormal> <Shape DEF='SegmentVisualization'/><o:p></o:p></p><p class=MsoNormal> <HAnimSite name='feature01'><o:p></o:p></p><p class=MsoNormal> <Shape DEF='SiteVisualization'/><o:p></o:p></p><p class=MsoNormal> </HAnimSite><o:p></o:p></p><p class=MsoNormal></HAnimSegment><o:p></o:p></p><p class=MsoNormal>…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And, with Site, we can use sensors and anything else. <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='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From: </b><a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Sent: </b>Saturday, December 24, 2022 11:42 AM<br><b>To: </b><a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a><br><b>Cc: </b><a href="mailto:h-anim@web3d.org">h-anim@web3d.org</a>; <a href="mailto:joedwil@earthlink.net">Joseph D Williams</a>; <a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Subject: </b>Design patterns for HAnimHumanoid skin and apparel using HAnim2standard in X3D4<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Joe, thanks for steady efforts making progress on HAnim models. Your latest examples are online as follows, with diagnostics and testing continuing. At some point we will want to produce cleaned-up versions of legacy BoxMan models too.<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 lfo3'>X3D Example Archives: Humanoid Animation, Skin<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In order to keep track of all the different ways that apparel might be included with an HAnim2 X3D4 model, we have come up with the following list of possibilities.<o:p></o:p></p><div style='border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal><o:p> </o:p></p></div><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 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/DesignPatternsApparelVariations.txt">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/DesignPatternsApparelVariations.txt</a><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:"Courier New";color:black'> Design patterns for HAnimHumanoid presenting skin and apparel<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> using HAnim2 standard in X3D4<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>a. *<b>Simple Skeleton</b>*. <i>skeleton</i> field, simple skeleton structure, invisible or<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> visualized by rendered ball-and-stick for joints, segments, sites.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>b. *<b>Simple Skeleton Mesh</b>*. <i>skeleton</i> field, Shape geometry attached to segments,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> moving with skeleton but rendering is crude since no deformation occurs<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> during animation if overlapping.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>c. *<b>Skin, Indexed Geometry only</b>*. <i>skin</i> field, indexed Coordinate mesh with<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> <i>skinCoordIndex</i> and weight connections at each of joint nodes for browser<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> performance of smooth deformation when moving.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>d. *<b>Skin, Shape holding indexed geometry</b>*. Allow <i>skin</i> field to hold Shape<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> containing Appearance with Material or texture, similarly holding indexed<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> mesh with <i>skinCoordIndex</i> connections at joints for smooth deformation <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> when moving. (Specification revision pending, Mantis 1408).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>e. *<b>Switch or LOD</b>*. Similarly allow <i>skin</i> field to hold Switch or LOD, then a<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> single Shape holding indexed mesh. If agreed upon that this is extremely<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> similar will require specification change resembling Mantis 1408.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>f. *<b>Synthesis</b>*. Extra-large Coordinate mesh using duplicate points for <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> inner-volume (flesh mesh) and outer-volume (apparel mesh) geometry. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> Likely possible with existing X3D4 specification but requires complex<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> preprocessing of humanoid geometry. Applying cloth physics likely not<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> practical or possible.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>g. *<b>Apparel</b>*. Add <i>apparel</i> field to future specification versions (namely<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> HAnim2.1 and X3D4.1), allowing separate definition of clothing that is<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> independent of skin mesh. Likely want an MFNode array to permit multiple<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> clothing layers. Likely need to consider special cases for cloth physics.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>h. *<b>Anatomy</b>*. Similar to <i>apparel</i> field: multiple epithelial tissue layers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> for surfaces of human organs are common, often with similar construction<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> about concentric center-line spine through deformable organ. This suggests<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> that an adapted <i>Extrusion</i> node may be more relevant than meshes. Likely <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> will also need to consider special cases for organ physics. Note that this<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> is similar (possibly identical) rationale to preceding analysis of apparel.<o:p></o:p></span></p><div style='border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>also thanks to Vince and Dick for thoughtful discussions as we have proceeded.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Happy Holidays everyone!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></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 <a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a><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></div></body></html>