usdz

来源： https://stackoverflow.com/questions/62752649/realitykit-asynchronous-model-loading-doesnt-work

来源： https://stackoverflow.com/questions/62752649/realitykit-asynchronous-model-loading-doesnt-work

问题 Apple AR Quick Look apparently only supports .usdz files. So, what is the easiest way to convert an .obj or .stl to .usdz ? I googled this first but the most popular result was to use a free tool called Vectary , but when I actually tried to use it, it wasn’t free. Thanks. 回答1: With iOS 13 & Reality Kit, Apple has released a USDZ converter that does not require Xcode; the converter is a Python based tool. I have been using it the last few days to convert various files gltf, obj files.

问题 I tried to look at the main documentation at http://graphics.pixar.com/usd/docs/index.html and http://graphics.pixar.com/usd/docs/Usdz-File-Format-Specification.html but could not find the details to create a usdz file. I can get some sample USD files from http://graphics.pixar.com/usd/downloads.html How can we create one? 回答1: A gallery of usdz files are provided by Apple at the url below https://developer.apple.com/arkit/gallery/ You need a device with iOS12 beta installed for the models to

问题 I tried to look at the main documentation at http://graphics.pixar.com/usd/docs/index.html and http://graphics.pixar.com/usd/docs/Usdz-File-Format-Specification.html but could not find the details to create a usdz file. I can get some sample USD files from http://graphics.pixar.com/usd/downloads.html How can we create one? 回答1: A gallery of usdz files are provided by Apple at the url below https://developer.apple.com/arkit/gallery/ You need a device with iOS12 beta installed for the models to

问题 I tried to look at the main documentation at http://graphics.pixar.com/usd/docs/index.html and http://graphics.pixar.com/usd/docs/Usdz-File-Format-Specification.html but could not find the details to create a usdz file. I can get some sample USD files from http://graphics.pixar.com/usd/downloads.html How can we create one? 回答1: A gallery of usdz files are provided by Apple at the url below https://developer.apple.com/arkit/gallery/ You need a device with iOS12 beta installed for the models to

问题 Hello everyone I'm trying to unzip a USDZ file, modify a texture, and then zip the USDZ file again, but it breaks. Is there any special way to zip the file back? Even if I decompress and compress again it stops working and has different file size. I'm using no compression and no encryption to zip the file. One thing I have noticed is that the attribute "Needed to extract" for the USDZ file is "2.0 or later" while my new zip file value is "1.0 or later". Also the files in the original USDZ zip

问题 I have downloaded the .usdz models provided by Apple: https://developer.apple.com/arkit/gallery/ But now, I want to create a SCNNode with one of these models, so I am doing this to obtain the node: guard let urlPath = Bundle.main.url(forResource: "retrotv", withExtension: "usdz") else { return } let mdlAsset = MDLAsset(url: urlPath) let modelRootNode = SCNScene(mdlAsset: mdlAsset).rootNode Then I add it to the scene and the result is this: Why does it have no textures? I have the downloaded

问题 At the 2018 WWDC Apple annouced the introduction of new USDZ file format. https://developer.apple.com/videos/play/wwdc2018/603/ In relation to creating USDZ file the following was said: To create your own usdz files, a usdz_converter has been bundled as part of Xcode 10 beta. Its a command line tool for creating the usdz file from OBJ files, Single-frame Alembic (ABC) files, USD file (either .usda or usd.c) the basic command line is xcrun usdz_converter myFile.obj myFile.usdz I have installed