I want to unwrap UV channel 2

I want to unwrap UV channel 2 for baking lightmap and take to shapespark.
Because light-bake-time is too long. if It’s possible to it, very useful and I can make high quality room.

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plus 1 on this request. Is it possible to bake lightmap using other render engines like Vray or Corona and take it inside Shapespark.

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It’s not possible currently.
Do you think that baking lightmap in VRay or Corona would be much faster than in Shapespark?
Are You using OptiX when baking the lightmap in Shapespark? OptiX should be quite fast.

Thank you for replying .

Unfortunately,I have never baked lightmap in vray .so I don’t know.
What I want to say that if I could take UV channel 2 to Shapespark , the shadow quality will improve .
Could you think about it?

Have You tried increasing lightmap resolution? If the shadows are too blurry then this might help.
You can increase resolution for the whole scene:


Or even better only for objects which require better shadow quality:

Increasing resolution for the whole scene will be costly, but for selected objects should be fine.
It should give you a similar effect as if You would bake lighting in external program in higher resolution and imported it into Shapespark.

We will still consider adding second importable UV channel, but I can’t promise that we will add it to Shapespark this year.

I have tried it yet.
I understand about your advice well.

I suggested it , because I think that Shapespark will be better.

Thank you for your comments.

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