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Top 8 JavaScript computational-geometry Projects
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Project mention: Generating Voronoi Diagrams Using Fortune's Algorithm (With Odin) | news.ycombinator.com | 2025-02-08
I made an implementation in clojurescript that animates the algorithm as it goes a while back: https://voronoi.ajwerner.net/#/app-diagrams
It’s a very beautiful algorithm.
However, after that project I sort of came to dislike Fortune’s algorithm because it isn’t numerically stable with floating point numbers. If you have points that are colinear, or nearly colinear in fp, things can break. The delaunator is better in this regard iirc: https://github.com/mapbox/delaunator
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I'm building Concert Map [1], an interactive map of live music events all over the world.
I was frustrated with how difficult it was to find concerts and festivals when travel plans are flexible. Questions like:
- Is there any show I could catch on my next cross country road trip?
- I want an excuse to visit Seattle this summer, is there a good weekend I could pick where I could see live music there or along the way?
- I like to travel for one big music festival per year, is there a good match for me anywhere in the country, or abroad?
The idea behind concert map is to show all events on a map, and highlight the "most relevant" events for any area, so you can skim through the map and find events that are worth the travel. The "relevant" events depend on the view context. If you import your top artists, then the most relevant events are ones with artists that you listen to most. Otherwise, it's based on global artist popularity.
I'm currently working on integrating with more event providers, and working on loading performance. I've been using leaflet.js [2] which has worked great, but I'm experimenting with switching to supercluster [3].
[1] https://www.concert-map.com/
[2] https://leafletjs.com/
[3] https://github.com/mapbox/supercluster
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Sevalla
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LimberGridView
LimberGridView, a powerful JavaScript Library using Computational Geometry to render movable, resizable, and auto-arranging grids. Written in vanilla JavaScript, it can be plugged into most frameworks, plus it has a plugin for React applications. It gives users the most optimal arrangements using its highly efficient and fine-tuned algorithm.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript computational-geometry discussion
JavaScript computational-geometry related posts
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Generating Voronoi Diagrams Using Fortune's Algorithm (With Odin)
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Minimum Volume Ellipsoid
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Databases are the endgame for data-oriented design
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Trying Out Various Turf.js
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NYC Subwaysheds (Travel Time Maps)
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Load GeoHash data in RAM for querying for Proximity Searches
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Flatbush: A fast static spatial index for 2D points and rectangles in JavaScript
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A note from our sponsor - InfluxDB
www.influxdata.com | 1 Sep 2025
Index
What are some of the best open-source computational-geometry projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | rbush | 2,618 |
| 2 | delaunator | 2,494 |
| 3 | earcut | 2,342 |
| 4 | supercluster | 2,239 |
| 5 | flatbush | 1,502 |
| 6 | hootenanny | 370 |
| 7 | robust-predicates | 314 |
| 8 | LimberGridView | 51 |
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