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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Hi John. We use Mantis for tracking possible issues in the specifications.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The problem in the X3D4 specification appears to be that there is no way to assign textures to skin geometry.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The Mantis issue (copied into this email) also proposes a solution that fixes the problem.<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> John Carlson <yottzumm@gmail.com> <br><b>Sent:</b> Sunday, December 4, 2022 9:37 PM<br><b>To:</b> Brutzman, Donald (Don) (CIV) <brutzman@nps.edu><br><b>Cc:</b> X3D Public Mailing List (x3d-public@web3d.org) <x3d-public@web3d.org>; h-anim@web3d.org<br><b>Subject:</b> Re: [x3d-public] Mantis 1410: HAnimHumanoid skin definitions have no way to assign textures<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>There is no derivation that i see.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sun, Dec 4, 2022 at 11:33 PM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>Don, I did notice that there were no skins on an HAnim Motion 2 example. I will check the repository again tomorrow.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Is Joe Kick ok?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Do HAnim nodes derive from some Shape type?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sun, Dec 4, 2022 at 6:14 PM Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu" target="_blank">brutzman@nps.edu</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Joe and I were working with various HAnim models today (using X3D-Edit!) and found an important <a href="https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fproblem.no%2F&data=05%7C01%7Cbrutzman%40nps.edu%7C5d268e66e3bd4a1b641208dad682c3c8%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638058154388250563%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=r7SLQX2f7kU06P02fp7%2BD%2BJFpvmdPAhZPZP22lESlDA%3D&reserved=0" target="_blank">problem.no</a><o:p></o:p></p></div></div></blockquote></div></div><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div style='border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo1'>Mantis <span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'>1410: HAnimHumanoid skin definitions have no way to assign textures</span><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo1'><a href="https://www.web3d.org/member-only/mantis/view.php?id=1410" target="_blank">https://www.web3d.org/member-only/mantis/view.php?id=1410</a><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'>HAnimHAnimHumanoid skin definitions have no way to assign textures because Shape nodes are not currently allowed in the X3D4 parent-child node hierarchy.</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>* X3D4 Architecture, HAnim component, 26.3.2 HAnimHumanoid</span><br clear=all><span style='background:#EBEBEB'>* <a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimHumanoid" target="_blank">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-DIS/Part01/components/hanim.html#HAnimHumanoid</a></span><br clear=all><br clear=all><span style='background:#EBEBEB'>Relevant field is</span><br clear=all><span style='background:#EBEBEB'> MFNode [in,out] skin [] [IndexedFaceSet, IndexedFanSet, IndexedQuadSet, IndexedTriangleSet, IndexedTriangleStripSet]</span><br clear=all><br clear=all><span style='background:#EBEBEB'>It is possible to assign color values, through use of Color or ColorRGBA nodes within IndexedFaceSet, for example. However, because Shape is not permitted, there is no way to assign corresponding Appearance with either Material or ImageTexture.</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'>The following example shows animated skin with a texture, playable in X_ITE (and X3DOM and BSContact) players.</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#F3F3F3'>* X3D Example Archives: Humanoid Animation, Characters, Joe Kick</span><br clear=all><span style='background:#F3F3F3'>* </span></span><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JoeKickIndex.html" target="_blank"><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:royalblue;background:#F3F3F3;text-decoration:none'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JoeKickIndex.html</span></a><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#F3F3F3'>Excerpt:</span><br clear=all><span style='background:#F3F3F3'><Shape DEF='Joe_Shape' containerField='skin'></span><br clear=all><span style='background:#F3F3F3'> <Appearance DEF='Joe_skin_Appearance'></span><br clear=all><span style='background:#F3F3F3'> <Material DEF='Joe_skin_Material' diffuseColor='0.3 0.3 0.6' emissiveColor='0.3 0.3 0.6'/></span><br clear=all><span style='background:#F3F3F3'> <ImageTexture DEF='JoeSkinImageTexture'</span><br clear=all><span style='background:#F3F3F3'> url=' "JoeBodyTexture29.png" "</span></span><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JoeBodyTexture29.png%22" target="_blank"><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:royalblue;background:#F3F3F3;text-decoration:none'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JoeBodyTexture29.png"</span></a><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'> '/></span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><span style='background:#F3F3F3'> <!-- ROUTE information for KickTextureTransform node: [from SkinInterpolator.value_changed to rotation ] --></span><br clear=all><span style='background:#F3F3F3'> <TextureTransform DEF='KickTextureTransform'/></span><br clear=all><span style='background:#F3F3F3'> </Appearance></span><br clear=all><span style='background:#F3F3F3'> <IndexedFaceSet DEF='Joe_skin_IndexedFaceSet' etc.</span><br clear=all><span style='background:#F3F3F3'> <Coordinate DEF='Joe_SkinCoord' point= etc.</span><br clear=all><span style='background:#F3F3F3'> <TextureCoordinate point='0 0 0.5 0.5 0.5 0 0 0.5'/></span><br clear=all><span style='background:#F3F3F3'> </IndexedFaceSet></span><br clear=all><span style='background:#F3F3F3'></Shape></span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'>HAnim specification says</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><br clear=all><span style='background:#EBEBEB'>* HAnim specification version 2 volume 1, 6 Object interfaces, 6.2 Humanoid</span><br clear=all><span style='background:#EBEBEB'>* </span></span><a href="https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/ObjectInterfaces.html#Humanoid" target="_blank"><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/ObjectInterfaces.html#Humanoid</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'>sequence<Object> skin [] <b>[indexed mesh objects as defined by the representation]</b></span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'>An example “representation" for HAnim is X3D.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'>Possible fix:</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'><br clear=all><span style='background:#F3F3F3'>a. Allow Shape node, in addition to IndexedFaceSet etc. (Matching Joe's example)</span><br clear=all><span style='background:#F3F3F3'>b. Note in the X3D4 specification prose that such a Shape node must contain one of those same nodes (IFS, ITS etc.). That will allow identical geometry capabilities that are currently clearly defined.</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#F3F3F3'>Note that the animated Korean characters did not display such a problem because they are apparently textures are part of HAnimSegment that is animated, which is part of skeleton field hierarchy, and not part of skin field. For example,</span><o:p></o:p></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo2'>X3D Example Archives: Humanoid Animation, Characters, Jin LOA 4<o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo2'>Articulated 3D game character designed with a general graphics tool, then converted into an X3D HAnim model.<o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo2'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4Index.html" target="_blank">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4Index.html</a><o:p></o:p></li></ul><div style='border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>We recommend<o:p></o:p></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo3'>Taking a generous view of HAnim2 wording “<b><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;background:#EBEBEB'>[indexed mesh objects as defined by the representation]”</span></b><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo3'>to allow identical usage of a Shape node, thus ensuring that textures are possible on animated human skin.<o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo3'>Such an approach is already demonstrated in our examples, so it is feasible and expected.<o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Sincerely yours, Joe and Don.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New"'>all the best, Don</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New"'>-- </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu" target="_blank">brutzman@nps.edu</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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"'><a href="http://faculty.nps.edu/brutzman" target="_blank">faculty.nps.edu/brutzman</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal>_______________________________________________<br>x3d-public mailing list<br><a href="mailto:x3d-public@web3d.org" target="_blank">x3d-public@web3d.org</a><br><a href="http://web3d.org/mailman/listinfo/x3d-public_web3d.org" target="_blank">http://web3d.org/mailman/listinfo/x3d-public_web3d.org</a><o:p></o:p></p></blockquote></div></div></blockquote></div></div></div></div></body></html>