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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>Hey Joe. Follow-up from our discussion on BoxMan improvements.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l3 level1 lfo4'>The online BoxMan4 is flawed because converters were unable to import your hand-edited .x3dv version properly. During our last call, it sounded like you isolated the problem, occurring due to ROUTE children within a Group not getting handled. If able to diagnose and fix VRML/ClassicVRML import problems, that is worthwhile.<o:p></o:p></li></ol><p class=MsoListParagraph style='margin-left:.25in'><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=a><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l3 level1 lfo4'>Discovered a <b><span style='color:red'>problem</span></b>: am unable to find original model, on my system (version control) or on our website. It must not have gotten checked in, ouch. Joe (or anyone) can you find it? Might require careful trawling in the email archives…<o:p></o:p></li></ol><p class=MsoListParagraph><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>original VRML97 model by James Smith of Vapour Technology<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/boxman.original.wrl">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/boxman.original.wrl</a> (missing)<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=3 type=a><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l3 level1 lfo4'>Thanks to prior work on our part in 2017, two working versions using X3D3 HAnim1 exist in the Legacy directory of our models archive. These are not the same as the original VRML97 model. For clarity, recommend we add “3” for X3D3 to each of the .x3d legacy file names.<o:p></o:p></li></ol><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 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, Legacy, Box Man</span><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxManIndex.html<o:p></o:p></li></ul><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 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, Legacy, Box Man Animation Panel</span><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxManAnimationPanelIndex.html<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=4 type=a><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l3 level1 lfo4'>Next, let’s copy those two models as BoxMan4.x3d and BoxMan4AnimationPanel.x3d for addition to the Skin directory. Then we can apply any further improvements you want, along with any further diagnostics-driven cleanups that might be needed.<o:p></o:p></li></ol><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 lfo5'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Over these many years, I think that our careful renaming (rather than clobbering) of prior models has helped us demonstrate a steady working evolution from X3D3 HAnim1 to X3D4 HAnim2.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hope this progression makes sense to you too – thanks Joe.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'>p.s. interesting page:<o:p></o:p></p><p class=MsoNormal style='border:none;padding:0in'><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 lfo5'>Fundamental Laws of Engineering, maintained by Margaret Fleckhttps://www.cs.hmc.edu/~fleck/laws.html<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>https://www.cs.hmc.edu/~fleck/laws.html<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>First Law: The correct order is: debug, then ship.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Second Law: If it isn't broken, don't fix it.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Third Law: If you fiddle with something long enough, it will break.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Fourth Law: It works better if you plug it in.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Fifth Law: If it's wedged, power-cycle it.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Sixth Law: A working example is worth a thousand manual pages.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Seventh Law: Failures occur where two parts join.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Eighth Law: Demos cause failures.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Ninth Law: Systems grow more complex with time.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Tenth Law: If it's too complex, rebuild it.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Eleventh Law: Small parts vanish when dropped.<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in'><o:p> </o:p></p><p class=MsoNormal style='margin-left:.25in'>Twelfth Law: Don't build from components what you can buy pre-packaged for less.<o:p></o:p></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal style='border:none;padding:0in'><o:p> </o:p></p></div><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> Monday, December 26, 2022 10:25 AM<br><b>To:</b> Brutzman, Donald (Don) (CIV) <brutzman@nps.edu>; Michalis Kamburelis <michalis.kambi@gmail.com><br><b>Cc:</b> h-anim@web3d.org; X3D Public Mailing List (x3d-public@web3d.org) <x3d-public@web3d.org>; Brutzman, Donald (Don) (CIV) <brutzman@nps.edu><br><b>Subject:</b> RE: [...] HAnim2 X3D4 BoxMan update<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi, <o:p></o:p></p><p class=MsoNormal>I worked with the original .wrl and moved the original walk script to timer-interpolator style and hooked up other animations. <o:p></o:p></p><p class=MsoNormal><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxManIndex.html">Humanoid Animation X3D Examples Archive, Legacy, Box Man (web3d.org)</a><o:p></o:p></p><p class=MsoNormal>The boxman is not moving. <o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><a href="https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/BoxManJoeAnim.reworked.x3dv">https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/BoxManJoeAnim.reworked.x3dv</a><o:p></o:p></li></ul><p class=MsoNormal>The boxman is moving. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Will look for what is causing that conversion error. <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>Sunday, December 25, 2022 2:14 PM<br><b>To: </b><a href="mailto:joedwil@earthlink.net">Joseph D Williams</a>; <a href="mailto:michalis.kambi@gmail.com">Michalis Kamburelis</a><br><b>Cc: </b><a href="mailto:h-anim@web3d.org">h-anim@web3d.org</a>; <a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a>; <a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br><b>Subject: </b>RE: [...] HAnim2 X3D4 BoxMan update<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>p.s. X3D-Edit (i.e. Netbeans) does a good job on bracket matching for both squiggly and square brackets in .x3dv files. Nevertheless I was not unable to find a model error.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Might be a conversion error - perhaps something is unexpectedly triggering a problem in the view3dscene converter. At line 687, the model transitions from a series of OrientationInterpolator declarations to a series of ROUTE declarations. These are all within the <span style='font-size:10.0pt;font-family:"Courier New"'>DEF StopAnimation Group children […]</span> field, which looks legal to me.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>[lines 683-689]<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><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> DEF Stop_r_pinky1RotInterp OrientationInterpolator { key [0,0.5,1] keyValue [0 0 1 0,0 0 1 0,0 0 1 0] } <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> DEF Stop_r_pinky2RotInterp OrientationInterpolator { key [0,0.5,1] keyValue [0 0 1 0,0 0 1 0,0 0 1 0] } <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> DEF Stop_r_pinky3RotInterp OrientationInterpolator { key [0,0.5,1] keyValue [0 0 1 0,0 0 1 0,0 0 1 0] }<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ROUTE StopTimer.fraction_changed TO Stop_HumanoidRootTransInterp.set_fraction<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ROUTE StopTimer.fraction_changed TO Stop_HumanoidRootRotInterp.set_fraction<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ROUTE StopTimer.fraction_changed TO Stop_sacroiliacRotInterp.set_fraction<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><span style='font-size:2.0pt'><o:p> </o:p></span></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 <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></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> Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>> <br><b>Sent:</b> Sunday, December 25, 2022 1:40 PM<br><b>To:</b> Joseph D Williams <<a href="mailto:joedwil@earthlink.net">joedwil@earthlink.net</a>>; Michalis Kamburelis <<a href="mailto:michalis.kambi@gmail.com">michalis.kambi@gmail.com</a>><br><b>Cc:</b> <a href="mailto:h-anim@web3d.org">h-anim@web3d.org</a>; X3D Public Mailing List (<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>) <<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>>; Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>><br><b>Subject:</b> RE: [...] HAnim2 X3D4 BoxMan update<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This is great, thanks Joe. Looks like you worked with<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo2'><a href="http://www.web3d.org/x3d/content/examples/Basic/HumanoidAnimation/BoxMan.x3dv">http://www.web3d.org/x3d/content/examples/Basic/HumanoidAnimation/BoxMan.x3dv</a><o:p></o:p></li></ul><p class=MsoNormal>With original moved and now maintained at<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo2'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxMan.x3d">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxMan.x3d</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l4 level1 lfo2'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxManIndex.html">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Legacy/BoxManIndex.html</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Your updated ClassicVrml .x3dv model is checked into version control as<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsourceforge.net%2Fp%2Fx3d%2Fcode%2FHEAD%2Ftree%2Fwww.web3d.org%2Fx3d%2Fcontent%2Fexamples%2FHumanoidAnimation%2FSkin%2FBoxManJoeAnim.reworked.x3dv&data=05%7C01%7Cbrutzman%40nps.edu%7C94412e3682e84893368c08dae76e9015%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638076759334257286%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Wapnjb0VZxNPQpgDzdRocafpo7n37DnFvK1sOcXaLa4%3D&reserved=0">https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/BoxManJoeAnim.reworked.x3dv</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Next, imported .x3dv to .x3d using Castle Game Engine tovrmlx3d Convert everything to X3D server. However, got one significant error:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcastle-engine.io%2Fconvert.php&data=05%7C01%7Cbrutzman%40nps.edu%7C94412e3682e84893368c08dae76e9015%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638076759334257286%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=r0amIemAHtRiCOnxHwoPxQPozZMGBxmEKhYv8aHqONU%3D&reserved=0">https://castle-engine.io/convert.php</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><span style='color:#333333'>tovrmlx3d: Warning: VRML/X3D: Error when reading, will skip the rest of X3D file: Error at line 687 column 8: Expected node type or DEF or USE, got keyword "ROUTE"</span><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unfortunately that error prevented any conversions of ROUTES, dropping everything following the HAnimHumanoid. Current partial result checked into version control as BoxMan4.x3d<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsourceforge.net%2Fp%2Fx3d%2Fcode%2FHEAD%2Ftree%2Fwww.web3d.org%2Fx3d%2Fcontent%2Fexamples%2FHumanoidAnimation%2FSkin%2FBoxMan4.x3d&data=05%7C01%7Cbrutzman%40nps.edu%7C94412e3682e84893368c08dae76e9015%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638076759334257286%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=YdDmCry9ZiI7LiKPkRJBkXRfyQ4MKdd4%2Fo19iUMov9g%3D&reserved=0">https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/HumanoidAnimation/Skin/BoxMan4.x3d</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I looked for a squiggly square bracket mismatch in your .x3dv source but could not isolate one. Can you find the fix?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Next for Michalis: something in your (excellent) converter is slowing us down. Currently a lot of trailing digits are added to many numeric values by the converter, making it difficult to perform version-control diffs and difficult to keep values easily readable. Example:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><span style='font-size:10.0pt;font-family:"Courier New"'>Background { groundColor [ 0.6 0.6 0.6 ] [ 0.75 0.75 0.75 ] }<o:p></o:p></span></li></ul><p class=MsoNormal>turns into<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'><Background<o:p></o:p></li></ul><p class=MsoNormal> groundColor="0.60000002384185791 0.60000002384185791 0.60000002384185791"<o:p></o:p></p><p class=MsoNormal> skyColor="0.75 0.75 0.75" /><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hoping you can reduce output precision. A good default is four trailing digits, which is typical for HAnim suggested values and most other X3D defaults. Thanks for considering this improvement.<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 <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></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 <<a href="mailto:joedwil@earthlink.net">joedwil@earthlink.net</a>> <br><b>Sent:</b> Saturday, December 24, 2022 12:41 PM<br><b>To:</b> Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>>; X3D Public Mailing List (<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>) <<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>><br><b>Cc:</b> <a href="mailto:h-anim@web3d.org">h-anim@web3d.org</a>; Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>><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>Hi Don,<o:p></o:p></p><p class=MsoNormal>Attached is reworked boxman, with skin and interpolators rather than the script used in original version.<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:l2 level1 lfo3'>X3D Example Archives: Humanoid Animation, Skin<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 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:l2 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></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>