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Day 2 - Trouble shooting the Blender import a bit and learning about making a mesh, materials and attaching them, vertex colors:

https://www.whynotestflight.com/excuses/hello-usd-part-2-type-the-rainbow/

#openUSD #visionOS #CreativeCoding #GenerativeArt #Blender

Hello USD - Part 2: Type the rainbow

A list of distractions

screen shot of a purple / dark mauve in a QuickLook window. It has a bit of a sheen.

screen shot of a rainbow colored cube in a QuickLook window.

screen shot of a bright green cube in a QuickLook window. It's so bright one can't even see the edges.

screen shot of a dark purple cube in a QuickLook window

Apple-feed boosted

carlyn

@carlynorama@mastodon.social · 3 years ago

Day 5 and the last before the US holiday.

And it's GREAT news. Got usdview working thanks to the folks on the official USD github and that slack @mikelyndon and other's mentioned to me.

Fireworks indeed!!!

Pro tip... on macOS 13.4 use Python 3.9

https://www.whynotestflight.com/excuses/hello-usd-part-5-python-setup-pt-2-what-really-works/

Also filed a feedback on USDZ Tools: FB12499226

#visionOSDev #visionOS #python #macOS #openUSD #USDZTools

Hello USD - Part 5: Python setup pt 2, what really works

A list of distractions

Screenshot of the USDView interface displaying the hello world sphere. It also displaces the usd tree and other information about the stage such as the World Bounding Box, and materials that the USD is using. In this case none. There is a search box for a property name as well.

Apple-feed boosted

carlyn

@carlynorama@mastodon.social · 3 years ago

Day 3: Reality Composer is my USD WYSIWIG

https://www.whynotestflight.com/excuses/hello-usd-part-3-reality-composer-is-my-usd-wysiwig/

No python libs for this, just using the C++ tools in the Pixar repo.

This is using RealityComposer, NOT RealityComposerPro... yet.

#Cpp #VisionOS #openUSD #RealityComposer

Screenshot of same image (rock, cube capsule), but this time in a QuickView window.

Screenshot of a Reality Composer window with 3 objects, a rock with an image texture, a purple cube and a blue capsule

Apple-feed boosted

carlyn

@carlynorama@mastodon.social · 3 years ago

I put off working with AR partially because I didn't like having part of my workflow live in external apps: Reality Composer this, Blender that... But what if you can do all this AR and now VR stuff in JUST code? Follow along as I attempt do things the extra hard way as per usual... starting with hand coding OpenUSD files because you have to start with understanding the file format, am I right?

https://www.whynotestflight.com/excuses/ooohh-a-new-file-format...-hello-usd-part-1/

#openUSD #visionOS #GenerativeArt #CreativeCoding #Python #Swift

OOohh a new file format... Hello USD - Part 1

A list of distractions

A bunch of low poly spheres all mushed together. They are of various colors and sizes. They are being displayed in a "QuickLook" window, and Apple Preview software viewer accessed from the Finder.

Apple-feed boosted

carlyn

@carlynorama@mastodon.social · 3 years ago

Part 7: Getting to (non-beta) ARKit compliance for my scripted usda outputs is going to be uglier than I had hoped since usdc files are required.

Figured that out by coaxing the Apple provided usdARKitChecker to pass through a little more info from usdchecker util, and then smooshed the files together using usdcat. Unclear on how to do this all in Swift down the line, but works for now!

https://www.whynotestflight.com/excuses/hello-usd-part-7-where-my-error-messages-at/

#shellScript #openUSD #python #macos #visionOs #ARKit #USDZTools