I'm trying to "expand" my attributes from some points until they fill the whole geometry.

For example, this is the input:



And I'd like to flood fill the from the colored corners.

Attribute Transfer SOP does something similar, however, it samples from the cloest point(s) in the 3D space:



I'd like to sample from the closest point(s), topology-wise, like this:



How could I achieve this?

Attachments:
Screenshot 2024-02-03 173044.png (917.6 KB)
Screenshot 2024-02-03 173142.png (660.7 KB)
Screenshot 2024-02-03 173221.png (667.8 KB)

Attachments:
expand_flood.hipnc (118.0 KB)