From b2fcd1bea7836aaf9c8aa8c7fbba5adab88a34cf Mon Sep 17 00:00:00 2001 From: Dhruv Govil Date: Thu, 14 Nov 2024 15:27:48 -0800 Subject: [PATCH] Mention that USDZ files are Zip32 only It is a common point of confusion that USDZ files are Zip64 compliant. In the AOUSD specification, I'll be mentioning that we only support Zip32 and I'd like to do the same for the USDZ spec doc as well. See https://github.com/PixarAnimationStudios/OpenUSD/issues/3424 for more information --- docs/spec_usdz.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/docs/spec_usdz.rst b/docs/spec_usdz.rst index 05a73580d3..e306470702 100644 --- a/docs/spec_usdz.rst +++ b/docs/spec_usdz.rst @@ -113,6 +113,9 @@ the ability to relax this constraint in the future, but consider it unlikely. aggregate an arbitrary composition's worth of usd files into a single file, without removing any composition features from the scene. +Additionally, USDZ files must be Zip32 documents. OpenUSD does not support Zip64. +As such, the total file size of a USDZ must be under 4GB. + Layout ------ @@ -418,4 +421,4 @@ Version 1.3 - Current Head From version 1.2: * :ref:`Adds AV1 Image (AVIF) file support `. - AVIF is now a supported file type for images/textures. \ No newline at end of file + AVIF is now a supported file type for images/textures.