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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, helpful. Discerning eyes will see that current X3D Interface Hierarchy derives directly from this earlier version.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Am also happy to report that all of the 8 object-oriented design principles listed in that email are holding true today, in X3D Architecture Specification and X3D Unified Object Model (X3DUOM) just as described in 2009. Have fun with X3D! 8)<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> Friday, March 18, 2022 1:37 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>Subject:</b> RE: [x3d-public] Mantis 667: Sensor nodes missing description field<o:p></o:p></p></div></div><p class=MsoNormal><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='line-height:12.0pt;background:#004679'><span style='font-size:10.0pt;color:yellow'>NPS WARNING: *external sender* verify before acting.<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi Don,<o:p></o:p></p><p class=MsoNormal>Since you mention some history of that diagram, I found this old version:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="https://web.archive.org/web/20160328193700/http:/hypermultimedia.com/x3d/Quick/NodesIDL6diag.txt">https://web.archive.org/web/20160328193700/http://hypermultimedia.com/x3d/Quick/NodesIDL6diag.txt</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>At the bottom is some history and some guidelines for its development.<o:p></o:p></p><p class=MsoNormal>Thanks Again, <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>Bug?<o:p></o:p></p><pre><span style='font-size:8.5pt;color:black'> | +- StreamAudioSource<o:p></o:p></span></pre><pre><span style='font-size:8.5pt;color:black'> |<o:p></o:p></span></pre><pre><span style='font-size:8.5pt;color:black'><o:p> </o:p></span></pre><pre><span style='font-size:8.5pt;color:black'>EXTRA SPACE<o:p></o:p></span></pre><pre><span style='font-size:8.5pt;color:black'> |<o:p></o:p></span></pre><pre><span style='font-size:8.5pt;color:black'> +- X3DTriggerNode -+- BooleanTrigger<o:p></o:p></span></pre><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>Monday, March 14, 2022 5:41 PM<br><b>To: </b><a href="mailto:x3d-public@web3d.org">X3D Public Mailing List (x3d-public@web3d.org)</a><br><b>Subject: </b>Re: [x3d-public] Mantis 667: Sensor nodes missing description field<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here are the affected nodes. Of note from a user experience perspective: descriptions by the author make sensing sensible to the user.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><table class=MsoNormalTable border=0 cellspacing=1 cellpadding=0><tr><td style='padding:.75pt .75pt .75pt .75pt'></td><td style='padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal>The initial list for X3DSensorNode is taken from relevant node hierarchy (link follows). I also did a search through schema to find many locations where the descript field is already found.<o:p></o:p></p><p class=MsoNormal><br><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/concepts.html#InterfaceHierarchy"><span style='color:#0563C1'>https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/concepts.html#InterfaceHierarchy</span></a><br><br><br>Nodes and types affected:<br>X3DSensorNode<br>Collision <br>CollisionSensor<br>EspduTransform<br>ReceiverPdu<br>SignalPdu <br>TransmitterPdu <br>X3DEnvironmentalSensorNode <br>ProximitySensor<br>GeoProximitySensor<br>TransformSensor<br>VisibilitySensor<br>X3DKeyDeviceSensorNode<br>KeySensor<br>StringSensor<br>X3DNetworkSensorNode<br>LoadSensor<br>X3DPickSensorNode<br>LinePickSensor<br>PointPickSensor<br>PrimitivePickSensor<br>VolumePickSensor<br><br>Suggested addition due to interaction:<br>PickableGroup<br><br><br>Nodes and types unaffected by this change, already including description field:<br>TimeSensor <br>X3DPointingDeviceSensorNode<br>X3DDragSensorNode<br>CylinderSensor<br>PlaneSensor<br>SphereSensor<br>X3DTouchSensorNode<br>GeoTouchSensor<br>TouchSensor<br><br>Additional nodes and types with description field:<br>X3DScriptNode<br>X3DSoundNode<br>X3DTextureNode<br>X3DTimeDependentNode<br>X3DTriggerNode<br>Anchor<br>Inline<br>GeoMetadata<br>all 6 HAnim nodes<br>three shader nodes<br>X3DViewpointNode<br>ViewpointGroup<br>Viewpoint<br>X3DTextureProjectorNode<br>two projector nodes<br>AcousticProperties<br>all Sound nodes<o:p></o:p></p></td></tr></table><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> Monday, March 14, 2022 9:53 AM<br><b>To:</b> 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> Brutzman, Donald (Don) (CIV) <<a href="mailto:brutzman@nps.edu">brutzman@nps.edu</a>><br><b>Subject:</b> Mantis 667: Sensor nodes missing description field<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Resolution of a simple yet important item seems to have eluded us earlier. Reported here for possible followup comment.<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'>Mantis 667: 7.3.7 - Need description field for all X3DSensorNode<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo3'><a href="https://www.web3d.org/member-only/mantis/view.php?id=667">https://www.web3d.org/member-only/mantis/view.php?id=667</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Mailing list discussion reported this expected development without further comment:<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="http://web3d.org/pipermail/x3d-public_web3d.org/2018-December/009765.html">http://web3d.org/pipermail/x3d-public_web3d.org/2018-December/009765.html</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>X3D4 Architecture Specification:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo3'>X3D4 Architecture, Core component, 7.3.7 X3DSensorNode<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo3'><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/core.html#X3DSensorNode">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/core.html#X3DSensorNode</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Allowing authors to include a description on each sensor node allows them to communicate intent to end user, and allows browsers to present such descriptions as part of the user interaction. Seems sensible and necessary. As an example, a description field is included in <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'>X3D4 Architecture, Sound component, 16.4.14 MicrophoneSource<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo3'><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/sound.html#MicrophoneSource">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/sound.html#MicrophoneSource</a><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It also might be be a good security practice for browsers to also notify users when a sensor is active. We’ll consider wording on this.<o:p></o:p></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 <a href="mailto:brutzman@nps.edu"><span style='color:#0563C1'>brutzman@nps.edu</span></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>