Diffuse Transmission - cleanup (#2457)

* Link cleanup * Update leaf image and captions * Khronos copyright
KhronosGroup · Nov 18, 2024 · acfcbe6 · acfcbe6
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diff --git a/extensions/2.0/Khronos/KHR_materials_anisotropy/README.md b/extensions/2.0/Khronos/KHR_materials_anisotropy/README.md
@@ -4,7 +4,7 @@
 
 - Mike Bond, Adobe, [@miibond](https://github.com/MiiBond)
 - Ed Mackey, AGI [@emackey](https://github.com/emackey)
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
 - Nicolas Savva, Autodesk, [@nicolassavva-autodesk](https://github.com/nicolassavva-autodesk)
 - Tobias Haeussler, Dassault Systemes [@proog128](https://github.com/proog128)
 - Bastian Sdorra, Dassault Systemes [@bsdorra](https://github.com/bsdorra)

diff --git a/extensions/2.0/Khronos/KHR_materials_clearcoat/README.md b/extensions/2.0/Khronos/KHR_materials_clearcoat/README.md
@@ -13,8 +13,8 @@ SPDX-License-Identifier: LicenseRef-KhronosSpecCopyright
 - Don McCurdy, Google [@donrmccurdy](https://twitter.com/donrmccurdy)
 - Sebastien Vandenberghe, Microsoft [@sebavanjs](https://twitter.com/sebavanjs)
 - Romain Guy, Google [@romainguy](https://twitter.com/romainguy)
-- Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
 
 Copyright 2018-2020 The Khronos Group Inc. All Rights Reserved. glTF is a trademark of The Khronos Group Inc.
 See [Appendix](#appendix-full-khronos-copyright-statement) for full Khronos Copyright Statement.

diff --git a/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md b/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md
@@ -2,15 +2,21 @@
 
 ## Contributors
 
-* Tobias Haeussler, Dassault Systèmes [@proog128](https://github.com/proog128)
-* Bastian Sdorra, Dassault Systèmes [@bsdorra](https://github.com/bsdorra)
-* Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
-
-TODO
+- Tobias Haeussler, Dassault Systèmes [@proog128](https://github.com/proog128)
+- Bastian Sdorra, Dassault Systèmes [@bsdorra](https://github.com/bsdorra)
+- Mike Bond, Adobe [@miibond](https://github.com/MiiBond)
+- Eric Chadwick, DGG, [@echadwick-artist](https://github.com/echadwick-artist)
+- Alexey Knyazev, Individual Contributor, [@lexaknyazev](https://github.com/lexaknyazev)
+- Emmett Lalish, Google [@elalish](https://github.com/elalish)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
+
+Copyright 2024 The Khronos Group Inc. All Rights Reserved. glTF is a trademark of The Khronos Group Inc.
+See [Appendix](#appendix-full-khronos-copyright-statement) for full Khronos Copyright Statement.
 
 ## Status
 
-Experimental
+Release Candidate
 
 ## Dependencies
 
@@ -28,11 +34,12 @@ This extension models the physical phenomenon of light being diffusely transmitt
 <div align="center">
 <figure style="text-align:center">
 <p float="left">
-<img src="figures/candle_0.5.jpg" height="450" />
+<img src="figures/leaves.jpg" height="350" />
+<img src="figures/candle_0.5.jpg" height="350" />
 </p>
 <figcaption>
-</em><br>
-<p style="font-size:0.7em;">(candle model by <a href="https://sketchfab.com/lucatorcigliani">lucatorcigliani</a> with modifications by @emackey. Original <a href="https://sketchfab.com/3d-models/candle-in-a-glass-ec6cf358c4dd4cbda7be67f7846cbc9e">source</a> CC-BY 4.0)<p>
+<p style="font-size:0.7em;">(Left: <a href="https://github.com/KhronosGroup/glTF-Sample-Assets/tree/main/Models/DiffuseTransmissionPlant">Diffuse Transmission Plant</a> by Eric Chadwick CC-BY 4.0 and Rico Cilliers CC0 1.0, showing a small firefly emitting light that transmits diffusely through the back of a leaf.)<p>
+<p style="font-size:0.7em;">(Right: Candle model by <a href="https://sketchfab.com/lucatorcigliani">lucatorcigliani</a> with modifications by @emackey, showing diffuse transmission through the surface of wax paired with volumetric attenuation of light within the wax. Original <a href="https://sketchfab.com/3d-models/candle-in-a-glass-ec6cf358c4dd4cbda7be67f7846cbc9e">source</a> CC-BY 4.0)<p>
 </figcaption>
 </figure>
 </div>
@@ -419,3 +426,55 @@ When `KHR_materials_diffuse_transmission` is combined with `KHR_materials_volume
 
 - [glTF.KHR_materials_diffuse_transmission.schema.json](schema/glTF.KHR_materials_diffuse_transmission.schema.json)
 
+## Appendix: Full Khronos Copyright Statement
+
+Copyright 2024 The Khronos Group Inc.
+
+Some parts of this Specification are purely informative and do not define requirements
+necessary for compliance and so are outside the Scope of this Specification. These
+parts of the Specification are marked as being non-normative, or identified as
+**Implementation Notes**.
+
+Where this Specification includes normative references to external documents, only the
+specifically identified sections and functionality of those external documents are in
+Scope. Requirements defined by external documents not created by Khronos may contain
+contributions from non-members of Khronos not covered by the Khronos Intellectual
+Property Rights Policy.
+
+This specification is protected by copyright laws and contains material proprietary
+to Khronos. Except as described by these terms, it or any components
+may not be reproduced, republished, distributed, transmitted, displayed, broadcast
+or otherwise exploited in any manner without the express prior written permission
+of Khronos.
+
+This specification has been created under the Khronos Intellectual Property Rights
+Policy, which is Attachment A of the Khronos Group Membership Agreement available at
+www.khronos.org/files/member_agreement.pdf. Khronos grants a conditional
+copyright license to use and reproduce the unmodified specification for any purpose,
+without fee or royalty, EXCEPT no licenses to any patent, trademark or other
+intellectual property rights are granted under these terms. Parties desiring to
+implement the specification and make use of Khronos trademarks in relation to that
+implementation, and receive reciprocal patent license protection under the Khronos
+IP Policy must become Adopters and confirm the implementation as conformant under
+the process defined by Khronos for this specification;
+see https://www.khronos.org/adopters.
+
+Khronos makes no, and expressly disclaims any, representations or warranties,
+express or implied, regarding this specification, including, without limitation:
+merchantability, fitness for a particular purpose, non-infringement of any
+intellectual property, correctness, accuracy, completeness, timeliness, and
+reliability. Under no circumstances will Khronos, or any of its Promoters,
+Contributors or Members, or their respective partners, officers, directors,
+employees, agents or representatives be liable for any damages, whether direct,
+indirect, special or consequential damages for lost revenues, lost profits, or
+otherwise, arising from or in connection with these materials.
+
+Vulkan is a registered trademark and Khronos, OpenXR, SPIR, SPIR-V, SYCL, WebGL,
+WebCL, OpenVX, OpenVG, EGL, COLLADA, glTF, NNEF, OpenKODE, OpenKCAM, StreamInput,
+OpenWF, OpenSL ES, OpenMAX, OpenMAX AL, OpenMAX IL, OpenMAX DL, OpenML and DevU are
+trademarks of The Khronos Group Inc. ASTC is a trademark of ARM Holdings PLC,
+OpenCL is a trademark of Apple Inc. and OpenGL and OpenML are registered trademarks
+and the OpenGL ES and OpenGL SC logos are trademarks of Silicon Graphics
+International used under license by Khronos. All other product names, trademarks,
+and/or company names are used solely for identification and belong to their
+respective owners.
diff --git a/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/figures/leaves.jpg b/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/figures/leaves.jpg
diff --git a/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md b/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md
@@ -5,8 +5,8 @@
 - Mike Bond, Adobe, [@miibond](https://github.com/MiiBond)
 - Alex Jamerson, Amazon
 - Thomas Dideriksen, Amazon
-- Alex Wood, AGI, [@abwood](https://twitter.com/abwood)
-- Ed Mackey, AGI, [@emackey](https://twitter.com/emackey)
+- Alex Wood, AGI, [@abwood](https://github.com/abwood)
+- Ed Mackey, AGI, [@emackey](https://github.com/emackey)
 - Nicolas Savva, Autodesk, [@nicolassavva-autodesk](https://github.com/nicolassavva-autodesk)
 - Henrik Edstrom, Autodesk
 - Tobias Haeussler, Dassault Systemes, [@proog128](https://github.com/proog128)

diff --git a/extensions/2.0/Khronos/KHR_materials_ior/README.md b/extensions/2.0/Khronos/KHR_materials_ior/README.md
@@ -26,8 +26,8 @@ SPDX-License-Identifier: LicenseRef-KhronosSpecCopyright
 - Sandra Voelker, Target
 - Alex Jamerson, Amazon
 - Thomas Dideriksen, Amazon
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
-- Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
 
 Copyright 2018-2021 The Khronos Group Inc. All Rights Reserved. glTF is a trademark of The Khronos Group Inc.
 See [Appendix](#appendix-full-khronos-copyright-statement) for full Khronos Copyright Statement.

diff --git a/extensions/2.0/Khronos/KHR_materials_iridescence/README.md b/extensions/2.0/Khronos/KHR_materials_iridescence/README.md
@@ -10,8 +10,8 @@
 - Jim Eckerlein, UX3D
 - Alexey Knyazev, Individual Contributor, [@lexaknyazev](https://github.com/lexaknyazev)
 - Eric Chadwick, Wayfair, [echadwick-wayfair](https://github.com/echadwick-wayfair)
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
-- Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
 
 Copyright (C) 2018-2022 The Khronos Group Inc. All Rights Reserved. glTF is a trademark of The Khronos Group Inc.
 See [Appendix](#appendix-full-khronos-copyright-statement) for full Khronos Copyright Statement.

diff --git a/extensions/2.0/Khronos/KHR_materials_specular/README.md b/extensions/2.0/Khronos/KHR_materials_specular/README.md
@@ -26,8 +26,8 @@ SPDX-License-Identifier: LicenseRef-KhronosSpecCopyright
 - Sandra Voelker, Target
 - Alex Jamerson, Amazon
 - Thomas Dideriksen, Amazon
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
-- Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
 - Alexey Knyazev [@lexaknyazev](https://github.com/lexaknyazev)
 
 Copyright 2018-2021 The Khronos Group Inc. All Rights Reserved. glTF is a trademark of The Khronos Group Inc.

diff --git a/extensions/2.0/Khronos/KHR_materials_transmission/README.md b/extensions/2.0/Khronos/KHR_materials_transmission/README.md
@@ -12,8 +12,8 @@ SPDX-License-Identifier: LicenseRef-KhronosSpecCopyright
 - Bastian Sdorra, Dassault Systemes [@bsdorra](https://github.com/bsdorra)
 - Don McCurdy, Google [@donrmccurdy](https://twitter.com/donrmccurdy)
 - Emmett Lalish, Google [@elalish](https://github.com/elalish)
-- Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
 - Richard Sahlin, IKEA [@rsahlin](https://github.com/rsahlin)
 - Norbert Nopper, UX3D [@UX3DGpuSoftware](https://twitter.com/UX3DGpuSoftware)
 

diff --git a/extensions/2.0/Khronos/KHR_materials_volume/README.md b/extensions/2.0/Khronos/KHR_materials_volume/README.md
@@ -26,8 +26,8 @@ SPDX-License-Identifier: LicenseRef-KhronosSpecCopyright
 - Sandra Voelker, Target
 - Alex Jamerson, Amazon
 - Thomas Dideriksen, Amazon
-- Alex Wood, AGI [@abwood](https://twitter.com/abwood)
-- Ed Mackey, AGI [@emackey](https://twitter.com/emackey)
+- Alex Wood, AGI [@abwood](https://github.com/abwood)
+- Ed Mackey, AGI [@emackey](https://github.com/emackey)
 
 Copyright 2018-2021 The Khronos Group Inc. All Rights Reserved. glTF is a trademark of The Khronos Group Inc.
 See [Appendix](#appendix-full-khronos-copyright-statement) for full Khronos Copyright Statement.

diff --git a/extensions/README.md b/extensions/README.md
@@ -45,7 +45,7 @@ This section tracks the status of extensions and projects that are in developmen
 | KHR_audio_graph | Proposal | [PR #2421](https://github.com/KhronosGroup/glTF/pull/2421) |
 | KHR_collision_shapes | Review Draft | [PR #2370](https://github.com/KhronosGroup/glTF/pull/2370) |
 | KHR_interactivity | Review Draft | [PR #2293](https://github.com/KhronosGroup/glTF/pull/2293) |
-| KHR_materials_diffuse_transmission | Review Draft | [PR #1825](https://github.com/KhronosGroup/glTF/pull/1825) |
+| KHR_materials_diffuse_transmission | Release Candidate | [Specification](2.0/Khronos/KHR_materials_diffuse_transmission/README.md) |
 | KHR_materials_subsurface | Initial Draft | [PR #1928](https://github.com/KhronosGroup/glTF/pull/1928) |
 | KHR_node_hoverability | Review Draft | [PR #2426](https://github.com/KhronosGroup/glTF/pull/2426) |
 | KHR_node_selectability | Review Draft | [PR #2422](https://github.com/KhronosGroup/glTF/pull/2422) |