valhalla
tippecanoe
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| valhalla | tippecanoe | |
|---|---|---|
| 9 | 7 | |
| 4,174 | 772 | |
| 2.1% | 9.1% | |
| 9.3 | 8.0 | |
| 6 days ago | 19 days ago | |
| C++ | C++ | |
| GNU General Public License v3.0 or later | BSD 2-clause "Simplified" License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
valhalla
- Seeking a Simple and Cost-Effective Tool for Calculating Distances and Travel Times in Node.js Backend
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Tesla has the best navigation software in the business
Does Tesla even do their own routing? As far as I am aware they use https://github.com/valhalla/valhalla
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How The Post is replacing Mapbox with open source solutions
Also see valhalla for an open source routing engine: https://github.com/valhalla/valhalla/
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Boost.Graph user survey
I use it to implement a solver for the Chinese Postman Problem for an open source routing engine named Valhalla (https://github.com/valhalla/valhalla/).
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[OC] All Roads Lead to Richmond - The quickest route to the capital city from anywhere within the state of Virginia
Link to library: https://github.com/valhalla/valhalla
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How to Learn Nix
Love the idea of a blog post like this. I tried something very similar a couple weeks ago on a c++ project, both in hopes it might lead to an improved user experience, and also for others struggling to figure it out.
https://github.com/valhalla/valhalla/discussions/3540
- How to get Distance matrix for ~400 locations without paying hundreds of Euros.
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Bolt v2... navigation cues lagging, auto start/stop finicky
Note that Wahoo doesn't implement their own routing, the Bolt is using OpenStreetMap and Valhalla (https://github.com/valhalla/valhalla) to do routing. That's probably a reason why bugs are never fixed, it's not their code.
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[OC] Areas reachable by rail+foo within two hours from Bristol Temple Meads Station. Starting different times over a day.
The pedestrian isochrone generation was done using (https://github.com/valhalla/valhalla)
tippecanoe
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Geospatial Nix – create, use and deploy today
This is awesome. Such a great use case for nix.
I do a lot of geospatial processing in the cloud and I've been using Tippecanoe a lot to create vector tiles. It pairs well with PM Tiles for storing on the cloud. It seriously increases the web app performance for massive data sets. I queue these up with ECS tasks to process our json/csv/parquet input and create optimize vector tile outputs.
https://github.com/felt/tippecanoe
https://github.com/protomaps/PMTiles
Tippecanoe would be a great addition to your nix packages. I've been thinking more and more about how Nix could fit into this pipeline.
Great work!
- Protomaps – A free and open source map of the world
- How The Post is replacing Mapbox with open source solutions
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Self-Hosted Vector Tiles
I'm the author of a few of the tools mentioned in this post!
A convenient new development is instead of using tippecanoe -> go-pmtiles to create PMTiles archives, you can now output .pmtiles directly:
tippecanoe -o bks2.pmtiles mainroad.geojson ...
This is available in Tippecanoe (https://github.com/felt/tippecanoe) v2.17 and later.
Thanks to Felt (https://felt.com) for supporting this open source work.
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COMTiles (Cloud Optimized Map Tiles) hosted on Amazon S3 and Visualized with MapLibre GL JS
tippecanoe
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How would you generalize a very high density vector map for various zoom levels ?
Things I have tried so far: - Just using native vector tile conversion as it involves feature simplification. Doesn't work since smallest feature just disappear, resulting in blank regions instead of "averaged" regions. - Using tippecanoe's built in features to drop/merge in densest zones. Results are disappointing because of unexpected (and too big) differences between each zoom level. - Rasterizing the map, sieving, then vectorizing with smoothing. Doesn't work because pixel information are mixed. I would need a way to rasterize while preserving the land-cover category (with some kind of majority filter ?), but haven't find a way to do this with any QGis built-in or plugin feature.
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OpenStreepMap 2012 vs. 2022
Take a look at Tippecanoe, which is under active development again[0]. The original developer, Erica Fischer (who is wonderful to work with), has a fork[1] where new work is happening.
[0] https://felt.com/blog/erica-fischer-tippecanoe-at-felt
[1] https://github.com/felt/tippecanoe
https://felt.com/blog/erica-fischer-tippecanoe-at-felt
What are some alternatives?
Open Source Routing Machine (OSRM) - Open Source Routing Machine - C++ backend
planetiler - Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast
Graphhopper - Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.
tippecanoe - Build vector tilesets from large collections of GeoJSON features.
tilemaker - Make OpenStreetMap vector tiles without the stack
Mapbox GL - Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL
go-pmtiles - Single-file executable tool for working with PMTiles archives
Openstreetmap - The Rails application that powers OpenStreetMap
maputnik - An open source visual editor for the 'MapLibre Style Specification'
maplibre-gl-leaflet - This is a binding from MapLibre GL JS to the familiar Leaflet API.
osmium-tool - Command line tool for working with OpenStreetMap data based on the Osmium library.