@turf/isolines

turf isolines module

v7.2.0 URL: https://unpkg.com/@turf/isolines@7.2.0/dist/cjs/index.cjs

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turf geojson isolines contours elevation topography

@turf/isobands

turf isobands module

v7.2.0 URL: https://unpkg.com/@turf/isobands@7.2.0/dist/cjs/index.cjs

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turf geojson contours isobands elevation topography filled

d3-tricontour

Create contours from non-gridded data with meandering triangles.

v1.0.2 URL: https://unpkg.com/d3-tricontour@1.0.2/dist/d3-tricontour.min.js

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d3 d3-module contours triangulation

@thi.ng/geom-isoline

Fast 2D contour line extraction / generation

v2.1.194 URL: https://unpkg.com/@thi.ng/geom-isoline@2.1.194/index.js

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2d binary clipping contours isoline iterator marchingsquares polygon threshold typescript

ppu-ocv

A type-safe, modular, chainable image processing library built on top of OpenCV.js with a fluent API leveraging pipeline processing.

v1.3.0 URL: https://unpkg.com/ppu-ocv@1.3.0/index.js

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open-cv image-processor canvas threshold computer-vision opencv-js perspective-transformation edge-detection contours pipeline type-safe modular chainable bun