<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin-top:0in;
margin-right:0in;
margin-bottom:0in;
margin-left:.5in;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:1311328956;
mso-list-type:hybrid;
mso-list-template-ids:-984071658 -1 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
{mso-level-start-at:0;
mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;
mso-fareast-font-family:"Times New Roman";
mso-bidi-font-family:"Times New Roman";}
@list l0:level2
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level3
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
@list l0:level4
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level5
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level6
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
@list l0:level7
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level8
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level9
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style>
</head>
<body lang="EN-US" link="blue" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal">Attendees Anita Havele, Vince Marchetti, Nicholas Polys, Dick Puk, Don Brutzman</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On 10 SEP we reviewed definitions as planned and confirmed common understanding.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Up-to-date information continues to appear at links listed below. All feedback always welcome.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">all the best, Don<br>
<span style="font-size:10.0pt;font-family:"Courier New"">-- <br>
Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<br>
Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<br>
X3D graphics, virtual worlds, navy robotics </span><a href="http://faculty.nps.edu/brutzman"><span style="font-size:10.0pt;font-family:"Courier New"">http://faculty.nps.edu/brutzman</span></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal" style="border:none;padding:0in"><b>From: </b><a href="mailto:brutzman@nps.edu">Brutzman, Donald (Don) (CIV)</a><br>
<b>Sent: </b>Thursday, September 9, 2021 11:47 AM<br>
<b>To: </b><a href="mailto:x3d-public@web3d.org">X3D Public</a><br>
<b>Subject: </b>X3D agenda 10 SEP 2021, Mantis issue 1372 regarding Prototype declaration and follow-on nodes</p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We will meet at regular coordinates, 1000 pacific Friday 10 SEP 2021.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Today Dick and I worked on improved definition and example for nodes following the initial node in a prototype declaration. We made excellent progress towards improved clarity. Review requested.<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:l0 level1 lfo1">4.4.4.3 PROTO definition semantics<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/concepts.html#PROTOdefinitionsemantics">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/concepts.html#PROTOdefinitionsemantics</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">7.3.6 X3DPrototypeInstance<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/core.html#X3DPrototypeInstance">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/core.html#X3DPrototypeInstance</a><o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://www.web3d.org/member-only/mantis/view.php?id=1372">https://www.web3d.org/member-only/mantis/view.php?id=1372</a><o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Example image for discussion attached… if lines 24,,26 are moved up inside the Shape, or Appearance, or Box, then the prototype declaration is no longer a valid scene subgraph and fails validation.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img border="0" width="870" height="542" style="width:9.0625in;height:5.6458in" id="Picture_x0020_3" src="cid:image001.png@01D7A570.0501C040"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A more detailed example can be found in X3D for Web Authors (X3D4WA), online at<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:l0 level1 lfo1">X3D Example Archives: X3D4WA, X3D for Web Authors, Chapter 14 Prototypes, Material Modulator<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fx3dgraphics.com%2Fexamples%2FX3dForWebAuthors%2FChapter14Prototypes%2FMaterialModulatorIndex.html&data=04%7C01%7Cbrutzman%40nps.edu%7Cf6f94524b15e4728914c08d973c252f0%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637668100709470199%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=1kyX21mx%2BrDotRHyeC9MX42ZbbrFcQIdFJ9mbWcRgA4%3D&reserved=0">https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/MaterialModulatorIndex.html</a>
<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">all the best, Don<br>
<span style="font-size:10.0pt;font-family:"Courier New"">-- <br>
Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<br>
Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<br>
X3D graphics, virtual worlds, navy robotics </span><a href="http://faculty.nps.edu/brutzman"><span style="font-size:10.0pt;font-family:"Courier New"">http://faculty.nps.edu/brutzman</span></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>