hi all,
I’ve been happy with the results from the affine and first-order polynomial
transforms. However, I was looking for a more flexible option—specifically
a Thin Plate Spline (TPS) transformation—for handling more distorted
imagery, such as hand-drawn plans etc.

I’ve opened this PR that adds a TPS transform implementation . I’m happy to
adapt the code as needed to align with project conventions—I’ve noticed
patterns like builder usage in other areas.
Or raise a jira ticket to tie it to the PR
The implementation focuses on implementing the MathTransform interface.

I’ve also included a real-world example testing in the gt-geotiff module,
just for illustration. It’s not intended as a formal integration test, but
rather a working demonstration using convenient dependencies.

just pushed this PR https://github.com/geotools/geotools/pull/5277

I had to do this in my free time, because of weird government rules helping
out with open source projects. But I'm happy to change anything. I see the
MathTransform interface looks fairly stable but I don't want to do a local
fix to leave the land register I am working with something they can't
maintain in house.

kind regards

murray king.
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