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Questions tagged [usdz]

Universal Scene Description (USD) is a standard to promote interop and exchange of 3D scene descriptions between artists, developers and film studios. USDZ is a WYSIWYG editor developed by Apple and Pixar.

USDZ was introduced by Apple in WWDC 2018 as a WYSIWYG editor developed with Pixar, that allows developers to bring objects from Photoshop and Dimension into an AR environment.

Its features according to Pixar includes:

  • Robust schemas for interchange of geometry, shading, and skeletal deformation
  • High performance data retrieval and rendering, including powerful instancing features
  • The ability to package user-selectable content variations, natively
  • A sound architecture that is flexible enough to adapt to future needs
149 questions
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usdz file preview doesn't have colors on mac or ipad

I am trying to use the ipad AR capability to visualize some molecules from my simulations. I created a obj file, and I converted to usdz. If I open the file in xcode everything looks fine. If I use quickview or I move it to the ipad and open it,…
emiacetale
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edit pythonpath in this file

Hello and good evening! I am having quite a problem with trying to get usdzconvert to run. The error I'm getting is /Users/diamoniquedanner/Downloads/usdpython/USD.command ; exit; diamoniquedanner@Diamoniques-MacBook-Air ~ %…
danner.tech
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Flickering / fragmentary visuals for USDZ file when viewing placed PNG

Project: Creating a basic cube with png’s imported and placed onto the faces Done in SketchUp 2015 Exported to USDZ using Simlab USDZ exporter When viewed in AR mode, images flicker and are shown in a kind of interlaced pattern Better when in…
breuklyner
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xcrun usdz_converter xcode11 not working. how can I fix the issue?

Even after updating the directory: sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer And under xcode/preferences -> command line tools is set to "xcode 11.0 (11a420a)", I am still unable to run usdz_converter. Here's the error…
jorgegvgio
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Can't load texture of USDZ file via script using ModelIO library on Xcode with swift

I added an USDZ file to my Xcode project. The USDZ file is showing as normal in the project in Xcode open on my mac, however, when I try to load it via code using modelIO library it loads the mesh but it doesn't load the texture. In the snapshots…
Musab Kara
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Mapping multiple textures when converting files from .obj to .usdz

I want to convert an .obj file with multiple materials to an .usdz file. When running the command it only applies the last material in line to the whole object. The .usda file it creates shows that none of the textures are applied to each Material,…
julian3003
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SCNSceneSource identifiers with usdz file are empty

We are working on a project with ARKit 2 + SceneKit, iOS 12. We were able to retrieve CAAnimation instances with .dae files and control them at runtime. Now, we are trying .usdz, but none of the classes can be extracted from SCNSceneSource with usdz…
ryancrunchi
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usdz_converter not picking up materials

I am hoping someone can shed some light on why the usdz_converter is not picking up the materials specified. When running the following command xcrun usdz_converter ~/Desktop/demo/demo.obj ~/Desktop/demo/demo.usdz -v -a -l -m /Materials/Material_001…
Padawan
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xcrun usdz_converter issues after Xcode 10.1 update

Before updating Xcode today I was able to convert .obj files to usdz without any issue. I have tried searching the internet and even turning it off and back on again. Has anyone else ran across this issue before? $ xcrun usdz_converter…
Padawan
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Run usdz_converter but nothing come out

I tried to run command xcrun usdz_converter test_obj.obj test_obj.usdz command is successfully run and it said converted, but no any new file generated. Anyone facing same problem ? USING XCODE 10A255 OS High Sierra Version 10.13.6 result here
Mona Tang
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USDZ Objects appearing tiny

When exporting as USDZ on multiple files we have an issue where an item that is 85cm high in Blender is appearing as about 5mm high in AR view. Steps taken: Exported as both abc and obj Tried multiple objects Tried multiple variations of…
Allen Wixted
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usdz_converter[3551:150562] Could not open OBJ file asset_validation: error: No data found in file

I am getting usdz_converter[3551:150562] Could not open OBJ file asset_validation: error: No data found in file when i try to convert .obj file to usdz file using Xcode 10 Beta. I followed this thread How to create USDZ file using Xcode 10…
Vidhya Sri
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Fetch USDZ / USD file from flask python not working on safari

I have a server running a basic Flask server with send_file to allow a USDZ file to be downloaded when fetching the endpoint: @app.route("/make_usd", methods=['GET']) def make_usd(): data = usd.create_usd(1, 2, 0.05) response =…
glemoulant
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How can I download USDZ models from Firebase Storage and load them into ARQuickLook on my iOS app?

I want to add AR Quick Look to my app but placing the USDZ models into the app would take too much storage. That’s why I decided to store the models in Firebase Storage and download the model when needed. This is my code for quick looking a local…
HeySaiK
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