KHR_technique_webgl

CesiumJS
1

1. A concise explanation of the problem you're experiencing.
I am unable to upload a gltf model version 2.0.

2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.
An error occurred while rendering. Rendering has stopped.
undefined
RuntimeError: Unsupported glTF Extension: KHR_technique_webgl
Error
    at new RuntimeError (http://localhost:8080/Source/Core/RuntimeError.js:42:19)
    at Object.ModelUtility.checkSupportedExtensions (http://localhost:8080/Source/Scene/ModelUtility.js:504:27)
    at Model.update (http://localhost:8080/Source/Scene/Model.js:4383:34)
    at PrimitiveCollection.update (http://localhost:8080/Source/Scene/PrimitiveCollection.js:369:27)
    at updateAndRenderPrimitives (http://localhost:8080/Source/Scene/Scene.js:2939:27)
    at executeCommandsInViewport (http://localhost:8080/Source/Scene/Scene.js:2778:13)
    at updateAndExecuteCommands (http://localhost:8080/Source/Scene/Scene.js:2586:13)
    at render (http://localhost:8080/Source/Scene/Scene.js:3226:9)
    at tryAndCatchError (http://localhost:8080/Source/Scene/Scene.js:3246:13)
    at Scene.render (http://localhost:8080/Source/Scene/Scene.js:3295:13)

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

4. The Cesium version you're using, your operating system and browser.
Cesium 1.54. MacOS. Chrome

2

This extension was renamed at some point, see the thread here:

https://groups.google.com/d/msg/cesium-dev/NYH3XKk-cF0/89vcooQmAgAJ

You should be able to re-convert it using the latest obj2gltf and get a correct model.

3

Thank you Omar but I do not have the obj file I only have the gltf to work with you know if I can use the obj2gltf to convert a gltf file?