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@sbma44 sbma44 commented Jul 1, 2025

#2723 discusses licensing concerns related to the MarchingSquaresJS dependency, which is used in turf-isobands and turf-isolines. After review, it appears that the most common sources of concern related to this dependency's license are not relevant, because MarchingSquaresJS heavily modifies the AGPL with additional grants of permission. This PR adds a note to Turf's README file explaining this for others who will run across this same false positive when reviewing their licensing posture, hopefully saving them a little bit of time.

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sbma44 commented Jul 3, 2025

@mfedderly @smallsaucepan I see you in the git history for README.md -- can I ask for a review?

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I’m considering just rewriting marchingsquares in Turf itself and then dropping the dependency entirely. It might be a few weeks though before I can get to it.

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@turf/isolines wasn't too bad, see #2918. Happy for feedback over there.

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sbma44 commented Jul 15, 2025

that's great @mfedderly ! Will keep my fingers crossed until merge, but I greatly appreciate the effort--this is a much better solution.

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Closing this in favor of #2918 and #2926. Thanks for the push to get this done @sbma44!

@mfedderly mfedderly closed this Jul 29, 2025
@sbma44 sbma44 deleted the marchingsquares-license-note branch July 29, 2025 18:28
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