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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>All prior noted problems fixed with X3D-Edit BVH-to-X3D conversion, thanks for helpful reports! Those corrections further facilitated additional processing of this large-file-size example.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Updated versions of Pirouette behavior are online:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/PirouetteIndex.html<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/Pirouette.x3d<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/Pirouette.html<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'>https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/Pirouette.html#ROOT_hipHAnimHumanoidReport<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'>http://mocap.cs.cmu.edu/search.php?subjectnumber=5<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'>http://mocap.cs.cmu.edu/subjects/05/05_11.mpg<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Pretty-print html page includes an HAnimHumanoidReport which reports the following tree structure:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><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'>HAnimHumanoid skeleton holds X3D4 HAnim2 triplets, HAnimJoint (43) : HAnimSegment (43) : HAnimSite (15)<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'>HAnimHumanoid DEF='BvhPirouette_ROOT_hip name='ROOT_hip' loa='-1'<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> humanoid_root : sacrum<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> abdomen : humanoid_root_to_abdomen<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | vl5 : l5<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | neck : vl5_to_neck<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | skullbase : skull<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | leftEye : skullbase_to_leftEye<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rightEye : skullbase_to_rightEye<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | rCollar : vl5_to_rCollar<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rShldr : rCollar_to_rShldr<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rForeArm : rShldr_to_rForeArm<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rHand : rForeArm_to_rHand<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rThumb1 : rHand_to_rThumb1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | | rThumb2 : rThumb1_to_rThumb2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rIndex1 : rHand_to_rIndex1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | | rIndex2 : rIndex1_to_rIndex2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rMid1 : rHand_to_rMid1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | | rMid2 : rMid1_to_rMid2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rRing1 : rHand_to_rRing1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | | rRing2 : rRing1_to_rRing2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rPinky1 : rHand_to_rPinky1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | rPinky2 : rPinky1_to_rPinky2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lCollar : vl5_to_lCollar<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lShldr : lCollar_to_lShldr<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lForeArm : lShldr_to_lForeArm<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lHand : lForeArm_to_lHand<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lThumb1 : lHand_to_lThumb1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | lThumb2 : lThumb1_to_lThumb2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lIndex1 : lHand_to_lIndex1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | lIndex2 : lIndex1_to_lIndex2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lMid1 : lHand_to_lMid1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | lMid2 : lMid1_to_lMid2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lRing1 : lHand_to_lRing1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | | lRing2 : lRing1_to_lRing2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lPinky1 : lHand_to_lPinky1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | lPinky2 : lPinky1_to_lPinky2<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> rButtock : humanoid_root_to_rButtock<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | rThigh : rButtock_to_rThigh<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | rShin : rThigh_to_rShin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> | rFoot : rShin_to_rFoot<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> lButtock : humanoid_root_to_lButtock<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> lThigh : lButtock_to_lThigh<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> lShin : lThigh_to_lShin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'> lFoot : lShin_to_lFoot<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"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>The model validates correctly for both X3D and HAnim. There are still some warnings but are mostly due to old-but-allowed names for joints/segments, I should be able clean those up at some point.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>Scaling and coordinate-axis registration are still not handled properly for this model. Am expecting we might experience such difficulties with each BVH file we try to convert. Here are some diagnostics from the converter, inserted into the scene as comments:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'><!-- 42 BVH JOINT definitions found, following a single HIERARCHY ROOT --> <o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'><!-- BVH HIERARCHY model size computations: minX=-2.48547, maxX=0.0, width=2.48547; minY=-3.69964, maxY=0.0, height=3.69964; minZ=-0.607171, maxZ=12.103, depth=12.710170999999999 --> <o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'><!-- Estimated rescaling to meters based on height: scaleFactor=0.1 for modified height of 0.370m --><o:p></o:p></span></li></ul><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>Additional success beyond X_ITE and X3DOM: have also tested that the model runs under Castle Game Engine view3dscene. Image attached. This also confirms coordinate axis and scaling problems, I had to zoom back to see the full animating skeleton.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>Changes to X3D-Edit are checked in, we plan to test a pre-release version next week. It will appear at<o:p></o:p></span></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'>SourceForge x3d Files: </span><a href="https://sourceforge.net/projects/x3d/files/X3D-Edit%20Pre-Release%20Testing/" title="Click to enter X3D-Edit Pre-Release Testing"><span class=name><b><span style='font-size:12.0pt;font-family:"Lato",sans-serif;color:#0099CC;background:#F1F1F1;text-decoration:none'>X3D-Edit Pre-Release Testing</span></b></span></a><span style='font-size:10.0pt'><o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'>https://sourceforge.net/projects/x3d/files/X3D-Edit%20Pre-Release%20Testing<o:p></o:p></span></li></ul><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>Troubleshooting ideas are welcome on how to interpret relative sizes of X, Y and Z values to try to orient and scale to match human dimensions.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>We also have some preliminary BVH and MOCAP references as follows. Further links and ideas are always welcome.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'>X3D Scene Authoring Hints, Motion Capture (MOCAP)<o:p></o:p></span></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo11'><span style='font-size:10.0pt'>https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html#MOCAP<o:p></o:p></span></li></ul><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt'>Have fun “walking the walk” with X3D and HAnim! 8)<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"'>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> Brutzman, Donald (Don) (CIV) <brutzman@nps.edu> <br><b>Sent:</b> Friday, October 28, 2022 7:07 AM<br><b>To:</b> Joseph D Williams <joedwil@earthlink.net>; John Carlson <yottzumm@gmail.com><br><b>Cc:</b> X3D Graphics public mailing list <x3d-public@web3d.org>; Brutzman, Donald (Don) (CIV) <brutzman@nps.edu><br><b>Subject:</b> RE: [x3d-public] BVH tasks, joining forces, BVH to HAnim validation<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Joe – thanks for analysis.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Intent is to produce compliant HAnim if at all possible. Am mimicking whatever is provided by BVH model using HAnim nodes.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Please note that BVH files are often dissimilar in model structure. If you see a better HAnim tree structure we ought to map to, great, please advise. Will try to produce better tree diagrams – diagnostics follow.<o:p></o:p></p><p class=MsoNormal><br>Also needed: how can we figure out better default viewpoints?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>At a minimum we ought to be able to have X3D Schematron diagnose whether results are compliant X3D HAnim LOA—0,1, 2, 3, or 4. Here are current errors/diagnostics.<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:l7 level1 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/PirouetteIndex.html">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/PirouetteIndex.html</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l7 level1 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/Pirouette.x3d">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/Pirouette.x3d</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><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-bottom:solid windowtext 1.5pt;padding:0in 0in 1.0pt 0in'><p class=MsoNormal>Performing DTD validation...<o:p></o:p></p><p class=MsoNormal>Checking file:/C:/x3d-code/www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/Pirouette.x3d...<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette_hip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>Attribute value "BvhPirouette__tip" of type ID must be unique within the document.<o:p></o:p></p><p class=MsoNormal>XML DTD validation: fail!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>[I think I see how to fix that in the converter, a DEF name is missing in the middle of each of the __ entries above. Will try this weekend.]<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Performing X3D Schematron check...<o:p></o:p></p><p class=MsoNormal>[….] didn’t come back, unfortunately<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I think we are getting memory errors with this very large file. Am hoping to produce a Pirouette version of the pretty-print tree, similar to<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:l7 level1 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/BvhConversion1Index.html">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/BvhConversion1Index.html</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l7 level1 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/BvhConversion1.html">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/BvhConversion1.html</a><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l7 level1 lfo3'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/BvhConversion1.html#HipsHAnimHumanoidReport">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/BvhConversion1.html#HipsHAnimHumanoidReport</a><o:p></o:p></li></ul><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> Friday, October 28, 2022 3:58 AM<br><b>To:</b> John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>>; Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>>; X3D Graphics public mailing list <<a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>><br><b>Subject:</b> RE: [x3d-public] BVH tasks, joining forces, vim plugin<o:p></o:p></p></div></div><div><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal>The only problem I am having with these examples is that the skeleton is not x3d Hanim. <o:p></o:p></p><p class=MsoNormal>It is simplified legacy version, undefined by hanim, left in the bvh dust by reason of reality. <o:p></o:p></p><p class=MsoNormal>The example varies from Hanim differing mainly, but not exclusively, in the simplification of the spine and its role in controlling shoulder and head motions This skeleton is not bad, but just too simple to show more realistic complex motions, like throwing something. It represents a noble relic in steps toward a deliverable humanoid. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Anyway, Please consider that the target playback skeleton is Not any bvh skeleton that happens to be described in whatever bvh file we are leveraging. For any bvh conversion the target should be a ‘standard’ loa4 skeleton along with converted x3d hanim user code for skeleton and animations. (Note: Define some standard simple names/numbers for loa4 joints-segments-sites to reduce text).<o:p></o:p></p><p class=MsoNormal>Likewise, if an x3d tool exports x3d to bvh, it should be a ‘standard’ skeleton (with uniform time steps). <o:p></o:p></p><p class=MsoNormal>This gives the author full control of the skeleton and the animations and makes the stuff usable and actually reusable. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I think this is a necessary when the goal is generation of transportable animations, only really possible using a ‘standard’ Hanim character. Again, the example skeleton I see there is just fine for some stuff, like standing around, but when you have to get real, then you won’t have to play long to see limits. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>More historical fun with hanim and x3d and yes, even bvh. <o:p></o:p></p><p class=MsoNormal>bvh to hanim to gltf <o:p></o:p></p><p class=MsoNormal>Reminds me that the x3d Hanim animation repository would naturally deliver a ‘standard’ animation set aimed at a ‘standard’ loa4 skeleton, and the delivery format would naturally be gltf. <o:p></o:p></p><p class=MsoNormal><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><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:yottzumm@gmail.com">John Carlson</a><br><b>Sent: </b>Thursday, October 27, 2022 7:16 AM<br><b>To: </b><a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a>; <a href="mailto:x3d-public@web3d.org">X3D Graphics public mailing list</a><br><b>Subject: </b>Re: [x3d-public] BVH tasks, joining forces, vim plugin<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Okay, X3D-Edit is now on sourceforge.<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Thu, Oct 27, 2022 at 8:33 AM 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-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal>I will try to confirm <a href="http://savage.nps.edu" target="_blank">savage.nps.edu</a> today, and try to download a new version of x3d-edit.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>If there’s still a problem, i will provide screenshots.<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><div><div><p class=MsoNormal>On Wed, Oct 26, 2022 at 8:29 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-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'>John: thanks, I just tested, X3D-Edit converted successfully (with warning about very large file) and result validated for me. Haven’t viewed the scene animation in X3D yet.<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'>Am running a full build on HAnim examples and will upload/announce on x3d-public when this example is ready.<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'>Preliminary results in sourceforge at<o:p></o:p></p><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:l3 level1 lfo7'><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%2FMotionAnimation%2F&data=05%7C01%7Cbrutzman%40nps.edu%7Ca06a1f9ed8f944de0ab508dab8d34b25%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638025517114464469%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=07ZpN6%2BOydAP82u9Uab6VCVdL8foVHDRixqYcIvL3KI%3D&reserved=0" target="_blank">https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation/</a><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l3 level1 lfo7'>see Pirhouette.bvh Pirhouette.bvh.txt Pirhouette.x3d<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'>Results will be going to<o:p></o:p></p><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:l5 level1 lfo10'><a href="https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation" target="_blank">https://www.web3d.org/x3d/content/examples/HumanoidAnimation/MotionAnimation</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'>Question: were you able to find the original pirouette.bvh used by three.js in the CMU repository? Or elsewhere on Web? The github three.js site does not appear to give any provenance information for this model (and BVH file format does not have a place to put that).<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'>Onward we go…<o:p></o:p></p><div><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></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <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 style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b> John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> <br><b>Sent:</b> Wednesday, October 26, 2022 2:59 PM<br><b>To:</b> Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu" target="_blank">brutzman@nps.edu</a>>; Michalis Kamburelis <<a href="mailto:michalis.kambi@gmail.com" target="_blank">michalis.kambi@gmail.com</a>>; Joe D Williams <<a href="mailto:joedwil@earthlink.net" target="_blank">joedwil@earthlink.net</a>>; Nicholas Polys <<a href="mailto:npolys@vt.edu" target="_blank">npolys@vt.edu</a>><br><b>Subject:</b> Fwd: BVH tasks, joining forces, vim plugin<o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div style='border:solid #004679 1.0pt;padding:2.0pt 2.0pt 2.0pt 2.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt;background:#004679'><span style='font-size:10.0pt;color:yellow'>NPS WARNING: *external sender* verify before acting.</span><o:p></o:p></p></div></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>Joe, Nicholas, can you help with debugging conversion of this pirouette.bvh in X3D-Edit? There's a ton of stack trace from X3D-Edit when one tries the first two options from the X3D-Edit menu. I'm unsure if the .bvh file currently works on michalis' convert.php page (may be worth a look as well, looked like .bvh was not accepted model type.<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I believe this may be the bvh file:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fmrdoob%2Fthree.js%2Fblob%2Fdev%2Fexamples%2Fmodels%2Fbvh%2Fpirouette.bvh&data=05%7C01%7Cbrutzman%40nps.edu%7Ca06a1f9ed8f944de0ab508dab8d34b25%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C638025517114464469%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=L4TJxdnpsrBagaSecYzIUJryektfRZ2InFR3BMhAsIk%3D&reserved=0" target="_blank">https://github.com/mrdoob/three.js/blob/dev/examples/models/bvh/pirouette.bvh</a><o:p></o:p></p></div></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I will go looking for more .bvh files in three.js<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>GL,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div></div></div></blockquote></div></div></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:9.6pt'>John<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>