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I'm struggling to place a UV map in the indicated position of this bottle. I have tried several adjustments on the mapping nodes but still not getting it right.enter image description here

Anyone to assist, maybe with a trick or combination of extra nodes i have to use to have it fixed?

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  • $\begingroup$ The bottle is created with Geometry Nodes by rotating a profile curve. It's very similar to the Screw modifier approach. For the label area, you need a UV map. I don't know if this is possible For curves it's possible to calculate a UV map and expose this from GN to the shader (blenderartists.org/t/can-i-create-uv-in-geometry-nodes/1343499/…). And the primitive GNs (cylinder, sphere, cube, ...) come with a UV map. (It's the "uv_map" attribute in the Face Corner domain.) Maybe you could use this or a UV map of a cylinder object and transfer it? I have no idea if that could work. $\endgroup$
    – Blunder
    Jun 4, 2022 at 9:14
  • $\begingroup$ Thanks. Let me try and see if it can work. $\endgroup$ Jun 4, 2022 at 11:36

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If you don't mind extra geometry for the bottle label you can create it inside the geometry node tree with a Cylinder node and shrink-wrap it with the Raycast node.

geometry node tree

The primitive cylinder from the Cylinder node has a UV map (uv_map) in the Face Corner domain. You can use this vector map in the material to map an image texture.

material

(In the example, I've reduced the number of generated geometry by deactivating the curve resampling and lowering the resolution. I'm guess you need the high poly count for the morphing effect?)

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  • $\begingroup$ Awesome. Thank you. $\endgroup$ Jun 8, 2022 at 15:48

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