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DiffuseTransmissionTest #167

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001ba25
Initial submission
echadwick-artist Feb 13, 2025
3a524e8
Added render from Dassault Systèmes Stellar Physically Correct
echadwick-artist Feb 23, 2025
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18 changes: 18 additions & 0 deletions Models/DiffuseTransmissionTest/README.body.md
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## Screenshot

![screenshot](screenshot/screenshot_Large.jpg)<br/>
_Screenshot from the [glTF Sample Viewer](https://github.khronos.org/glTF-Sample-Viewer-Release/) with the environment Cannon Exterior._

## Description

This model tests diffuse transmission inputs for [`KHR_materials_diffuse_transmission`](https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_diffuse_transmission#readme).

There is a single directional punctual light, facing the camera.

The smaller rectangles on the left side use Unlit materials to indicate color and texture inputs.

Behind each of the larger rectangles are dark pink rectangles, to emulate the layout as seen [in the extension readme here](https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_diffuse_transmission#diffusetransmissionfactor). However these may only affect the diffuse transmission in renderers using pathtracing.

![render from Dassault Stellar](screenshot/dassault-stellar.jpg)<br/>
_Path-traced render from Dassault Systèmes [Stellar Physically Correct](https://blog.3ds.com/brands/3dexcite/stellar-physically-correct/), using the PBR Neutral tonemapper._

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