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<p>Thank you for attending our open X3D WG meeting today! As we
continue
working on X3D4 specification, major pieces of work in progress
are now mature
and ready to be included in the spec. This open meeting was
specifically for:
glTF lighting and physically based rendering (PBR) work. Feedback
and reactions
are always welcome. </p>
<p> <a href="https://github.com/michaliskambi/">Michalis Kamburelis</a>,
<span style="color:#24292E;background:white">author of </span><a
href="https://castle-engine.io/" style="box-sizing: border-box;
font-variant-ligatures: normal;font-variant-caps:
normal;orphans: 2;text-align:
start;widows: 2;-webkit-text-stroke-width: 0px;word-spacing:0px"><span
style="background:white">Castle Game Engine (CGE)</span></a><span
style="font-variant-ligatures: normal;font-variant-caps: normal;
orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width:
0px;
text-decoration-style: initial;text-decoration-color:
initial;float:none;
word-spacing:0px"> described and demonstrated proposed <a
moz-do-not-send="true"
href="https://www.web3d.org/x3dv4-highlights">X3D4 </a>changes
for PBR and
glTF support. Several models demonstrating these capabilities
were
discussed along with comparative implementation in other X3D4
players.</span>
Thank you, Michalis for this excellent work! </p>
<p style="margin:0in;margin-bottom:.0001pt"><span
style="color:#24292E;
background:white">Here are some links to the discussions and
demos from today’s
meeting. </span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span
style="color:#24292E;
background:white"> </span></p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in"><span
style="color:#24292E">1.<span style="font-stretch:
normal;font-size-adjust: none;font-kerning: auto;
font-optical-sizing: auto;font-language-override:
normal;font-feature-settings: normal;
font-variation-settings: normal"> </span><span
style="background:white">PBR why do we need it in X3D:</span></span></p>
<p style="margin:0in;margin-bottom:.0001pt;text-indent:.5in"><a
href="https://github.com/michaliskambi/x3d-tests/wiki/What-is-PBR-and-why-do-we-want-it-in-X3D%3F">https://github.com/michaliskambi/x3d-tests/wiki/What-is-PBR-and-why-do-we-want-it-in-X3D%3F</a></p>
<p style="margin:0in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">2.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span><span
style="color:#24292E;background:white">X3D4 </span><code><span
style="mso-ansi-font-size:12.0pt;mso-bidi-font-size:12.0pt;font-family:"Times
New Roman",serif;
color:#24292E">PhysicalMaterial<span
style="font-variant-ligatures: normal;
font-variant-caps: normal;orphans: 2;widows:
2;-webkit-text-stroke-width: 0px;
text-decoration-style: initial;text-decoration-color:
initial;
float:none;word-spacing:0px"> node. C</span></span></code><span
style="color:#24292E;background:white">onsistent with glTF to
facilitate X3D
and X3D browsers to support glTF.<span style="mso-spacerun:yes">
</span>It’s
easy to handle glTF by converting to X3D nodes "under the hood".</span></p>
<p style="margin:0in;margin-bottom:.0001pt;text-indent:.5in"><a
href="https://github.com/michaliskambi/x3d-tests/wiki/X3D-version-4:-New-features-of-materials,-lights-and-textures">https://github.com/michaliskambi/x3d-tests/wiki/X3D-version-4:-New-features-of-materials,-lights-and-textures</a></p>
<p style="margin:0in;margin-bottom:.0001pt;text-indent:.5in"><a
href="https://github.com/michaliskambi/x3d-tests/wiki/Gamma-correction-in-X3D-and-glTF">https://github.com/michaliskambi/x3d-tests/wiki/Gamma-correction-in-X3D-and-glTF</a></p>
<p style="margin:0in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">3.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span><span
style="color:#333333;background:white">Castle Animation: A
series of static 3D frames in-lined in
a large XML file, or external files. Animation shows transition
from the
first frame to the last. Where models are </span><i
style="box-sizing: border-box;
font-variant-ligatures: normal;font-variant-caps:
normal;orphans: 2;
text-align:start;widows: 2;-webkit-text-stroke-width: 0px;
text-decoration-style: initial;text-decoration-color: initial;
word-spacing:0px">structurally equal</i><span
style="font-variant-ligatures: normal;
font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;
-webkit-text-stroke-width: 0px;text-decoration-style:
initial;text-decoration-color: initial;
float:none;word-spacing:0px">, intermediate frames are created
by a linear
interpolation to show smooth changes.</span></p>
<p style="margin:0in;margin-bottom:.0001pt;text-indent:.5in"><a
href="https://castle-engine.io/castle_animation_frames.php">https://castle-engine.io/castle_animation_frames.php</a></p>
<p style="margin:0in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">4.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span>Bump
mapping for cloth</p>
<p style="margin:0in;margin-bottom:.0001pt;text-indent:.5in"><a
href="https://github.com/castle-engine/demo-models/tree/master/bump_mapping/cloth">https://github.com/castle-engine/demo-models/tree/master/bump_mapping/cloth</a></p>
<p style="margin:0in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">5.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span>Bump<span
style="mso-spacerun:yes"> </span>mapping Lizardman<br>
<a
href="https://github.com/castle-engine/demo-models/tree/master/bump_mapping/lizardman">https://github.com/castle-engine/demo-models/tree/master/bump_mapping/lizardman</a></p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">6.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span>Demo
Models (Share your relevant use case models to add to this
repository) </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt"><a
href="https://github.com/castle-engine/demo-models">https://github.com/castle-engine/demo-models</a><br>
<br style="mso-special-character:line-break">
</p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">7.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span>View3dscence
Browser: </p>
<p style="margin:0in;margin-bottom:.0001pt;text-indent:.5in"><a
href="https://michalis.ii.uni.wroc.pl/view3dscene-snapshots/">https://michalis.ii.uni.wroc.pl/view3dscene-snapshots/</a></p>
<p style="margin:0in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">8.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span>Import
Export support</p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt"><a
href="https://castle-engine.io/creating_data_blender.php">https://castle-engine.io/creating_data_blender.php</a></p>
<p style="margin:0in;margin-bottom:.0001pt"> </p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in">9.<span
style="font-stretch: normal;
font-size-adjust: none;font-kerning: auto;font-optical-sizing:
auto;
font-language-override: normal;font-feature-settings: normal;
font-variation-settings: normal"> </span>Castle
Engine:</p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt"><a
href="https://castle-engine.io/">https://castle-engine.io/</a></p>
<p
style="margin-top:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt"><br>
</p>
<p style="margin:0in;margin-bottom:.0001pt">Again, thank you for
your participation today. Feedback and reactions are always
welcome. A draft schedule for X3D4 is ready, based on member
discussions, but
we are still watching world events and conference
delays/cancellations
closely. Meanwhile subscribe to <span
style="color:#24292E;background:
white"><a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a>
and watch
this space.</span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span
style="font-size:12.0pt;line-height:107%;font-family:
"Times New Roman",serif"> </span><font face="Times New
Roman, Times, serif"><span style="font-size:11.0pt;
color:#24292E;background:white"><a
href="mailto:michalis.kambi@gmail.com">michalis.kambi@gmail.com</a></span></font></p>
<font face="Times New Roman, Times, serif"> </font>
<p style="margin:0in;margin-bottom:.0001pt"><font face="Times New
Roman, Times, serif"><span style="font-size:11.0pt;
color:#24292E;background:white"><a
href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a></span></font></p>
<font face="Times New Roman, Times, serif"> </font>
<p style="margin:0in;margin-bottom:.0001pt"><font face="Times New
Roman, Times, serif"><span style="font-size:11.0pt;
color:#24292E;background:white"><a href="mailto:x3d@web3d.org">x3d@web3d.org</a><br>
</span></font></p>
<p style="margin:0in;margin-bottom:.0001pt"><br>
<font face="Times New Roman, Times, serif"><span
style="font-size:11.0pt; color:#24292E;background:white"><span
style="color:#24292E;background:
white">More Information about <a moz-do-not-send="true"
href="www.web3d.org">Web3D Consortium </a>and <a
moz-do-not-send="true" href="www.web3d.org/join">Membership</a>
</span></span></font></p>
<p style="margin:0in;margin-bottom:.0001pt"><br>
<font face="Times New Roman, Times, serif"><span
style="font-size:11.0pt; color:#24292E;background:white"></span></font></p>
<div class="moz-signature">
Best regards,<br>
Anita-Havele<br>
____________________________<br>
Executive Director, Web3D Consortium <a
href="http://www.web3d.org"><b>www.web3d.org</b></a><br>
Email: <a class="moz-txt-link-abbreviated" href="mailto:anita.havele@web3d.org">anita.havele@web3d.org</a> - Phone: +1 248 342 7662 <br>
650 Castro Street, Suite #120-490, Mountain View, California 94041
USA<br>
<a href="http://www.web3d.org/havele"><b>http://www.web3d.org/havele</b></a>
</div>
<div class="moz-cite-prefix">On 3/12/2020 11:26 AM, Anita Havele
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:e259d454-21a1-f6d6-c8d9-f298aad8eb0c@web3d.org">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<p>Our upcoming X3D WG meeting on Friday 13th March at 8:00 AM
Pacific 15:00 UTC will be a fully open meeting with everyone
welcome to attend. <br>
</p>
<p>Meeting Link: <a class="moz-txt-link-freetext"
href="https://zoom.us/j/432546382" moz-do-not-send="true">https://zoom.us/j/432546382</a></p>
<p>X3D Physically Based Rendering (PBR) presentation: </p>
<p>Michalis Kamburelis will describe proposed X3D4 changes for
Physically Based Rendering (PBR) and glTF support. He has a
large number of excellent models demonstrating these
capabilities, and they feel ready for comparative implementation
in other X3D4 players. <a
href="https://github.com/michaliskambi/x3d-tests/tree/master/pbr"
moz-do-not-send="true">https://github.com/michaliskambi/x3d-tests/tree/master/pbr</a></p>
<p>All reactions and feedback welcome. </p>
<div class="moz-signature">-- <br>
Best regards,<br>
Anita-Havele<br>
____________________________<br>
Executive Director, Web3D Consortium <a
href="http://www.web3d.org" moz-do-not-send="true"><b>www.web3d.org</b></a><br>
Email: <a class="moz-txt-link-abbreviated"
href="mailto:anita.havele@web3d.org" moz-do-not-send="true">anita.havele@web3d.org</a>
- Phone: +1 248 342 7662 <br>
650 Castro Street, Suite #120-490, Mountain View, California
94041 USA<br>
<a href="http://www.web3d.org/havele" moz-do-not-send="true"><b>http://www.web3d.org/havele</b></a>
</div>
</blockquote>
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