graphic:output:usd [ShiningWiki]

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====== USD info ======

USD file can contain all kinds of data, like model, material, animation, bone, and others \\
USD stage, it is like file reference, import as USD stage will not bring the actual data into software but reference loading it.

related tools
  * nvidia usd tools (win/linux): https://developer.nvidia.com/usd

related info
  * usd blender import output: https://www.youtube.com/watch?v=spBpNlvbCgw
  * Animation Workflows Using Unreal Engine and Maya : https://www.youtube.com/watch?v=Ddu7TAICAXw
  * arnold render and usd: https://docs.arnoldrenderer.com/display/A5ARP/Introduction+to+Arnold+USD
  * vray render and usd: https://www.chaos.com/blog/getting-started-with-usd-and-hydra-in-v-ray
    * vray for maya: https://www.chaos.com/vray/maya
    * vray for unreal: https://www.chaos.com/vray/unreal
  * omniverse and usd:
    * omni create system requirement: https://docs.omniverse.nvidia.com/app_create/common/technical-requirements.html
    * about usd: https://docs.omniverse.nvidia.com/plat_omniverse/plat_omniverse/usd.html
    * blender usd: https://docs.omniverse.nvidia.com/con_connect/con_connect/blender.html
    * MDL: https://www.nvidia.com/en-sg/design-visualization/technologies/material-definition-language/
    * MDL and vMaterial: https://www.nvidia.com/en-us/design-visualization/technologies/vmaterials/

Video info:
  * Exploring USD: The HTML for 3D Virtual World
    * https://www.nvidia.com/en-us/on-demand/session/gtcspring22-s42112/?playlistId=playList-87118008-d10b-42f9-8c57-a50bbf006662
    * notes: 
      * different tools have different way, development still needed to setup a common way to empower USD to be used more crossplatform.
      * as applications grow, USD still need to be developed to have features to be integrated into wide use case beyond original animation/film industry.
      * there are still areas where USD have challenges, like features to support rigs and LOD and support cross PC+mobile with different performance level.
      * communities still have to work together to standardize new features to fill gaps in USD