UV map optimization process: WANNA watch case

Introduction

A client submitted  a watch model with two UV channels (UVMap_1, UVMap_2)

WANNA Studio requires each 3D model to have only one UV layout within the [0,1] coordinate space. 

Optimization workflow:

Inspect the UV maps

• Open the model and check the number of UV channels it contains
• Identify which UV map is best suited for texturing, considering texel density, stretching, and optimization

Remove unnecessary UV maps

• Select the less optimized or unused UV map
• Delete it by selecting "Remove UV Map" in your 3D software
• Ensure that only one UV map remains and that it fits within the [0,1] UV space

Refine & optimize the UV layout

• Check that the remaining UV layout is correctly mapped and efficiently utilizes UV space
• Ensure that texel density is consistent across all parts of the model
• Avoid stretching or compression in high-visibility areas
• If necessary, repack the UVs to maximize space usage
   

Verify & Test in WANNA Studio

• Once the UV layout is optimized, export the model and test it in WANNA Studio.
• Ensure that textures display correctly and that there are no mapping issues.