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  1. Asset Transformer SDK (ex Pixyz)

Data preparation workflow

Complete guide to preparing 3D models and CAD data for real-time applications.
Read time 2 minutes
Last updated 9 months ago
In this document, "dataprep" refers to “data preparation” and to the process of preparing 3D assets from various sources (CAD, DCC) and formats (CAD, mesh, point cloud) for RT3D use. This encompasses several possible stages: importing and converting source assets into appropriate RT3D assets while retaining critical data, geometrically correcting these assets to address conversion imperfections, enriching and enhancing them for dynamic, value-added RT3D experiences, and optimizing them for specific target devices or platforms.
The typical dataprep workflow consists of six phases:
1

Import

Load raw data and convert to tessellated meshes.
Guidelines
Learn how to import and prepare CAD files for real-time 3D experiences.
Note
This results in a converted model.
2

Fix (optional)

Fix potential issues in the model until obtaining a geometrically correct model.
Guidelines
Learn how to repair CAD files.
Note
This results in a geometrically correct model.
3

Stage (optional)

Enrich/beautify until obtaining a 100% quality, exploitable model.
Guidelines
Learn how to enrich models with UVs, materials, and ambient occlusion.
Note
This results in a master model (LOD0).
4

Optimize (optional)

Optimize or diminish the LOD0 model quality and file size.
Guidelines
Learn how to optimize CAD files for real-time 3D experiences.
Note
This results in an optimized master model (LOD0).
5

Generate LODs (optional)

Create multiple Levels of Detail for optimal rendering performance at different distances.
Guidelines
Learn how to generate LOD chains with aggressive decimation and advanced techniques.
Note
This results in multiple LOD levels (LOD0, LOD1, LOD2, LOD3+).
6

Export

Push or publish an optimized model!
Guidelines
Learn how to export optimized models with the lightest file size using GLB with Draco and KTX2 compression.
Note
An optimized and converted file.
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  • Additional resources
  • Import guidelines
  • Staging guidelines
  • Optimization guidelines
  • LOD generation guidelines
  • Export guidelines
  • Point cloud guidelines
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