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|MIT License||Mozilla Public License 2.0|
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Recreating Real-World Terrain with React, Three.js and WebGL Shaders
2 projects | news.ycombinator.com | 23 Feb 2021
Nice writeup, I always like it when the shaders are highlighted like this. I got started in a similar way 7 years ago and have been making 3D terrains with THREE.js & WebGL since.
The real fun begins when you need to implement some sort of Level-of-Detail system and streaming in data to give the illusion of high detail everywhere without sacrificing performance.
Last year I released an open-source framework (https://github.com/felixpalmer/procedural-gl-js) for creating 3D terrains for web applications, you can see Uluru here: https://www.procedural.eu/map/?longitude=131.036&latitude=-2... (unfortunately the aerial imagery from our default provider isn't as high resolution as other places in Europe)
Visualization of 40M Cell Towers
3 projects | news.ycombinator.com | 17 Feb 2021
Great visualization and approach with compressing the tile data. Do you have a comparison of how much smaller the payload ends up being compared to simply sending PNG files?
I use PNGs to encode elevation data in my 3D mapping library (https://github.com/felixpalmer/procedural-gl-js/) and this does a pretty good job of compressing the data, for example in the ocean the PNG files are also very small as the image is mostly black. Different use case I now as your data is much more sparse, but I wonder how close the PNG compression would be compared to your approach.
React Component for 3D Maps
4 projects | news.ycombinator.com | 18 Jan 2021
Bug reports are welcome at: https://github.com/felixpalmer/procedural-gl-js/
Also the geocoding quota issue has been resolved4 projects | news.ycombinator.com | 18 Jan 2021
Yeah, the React parts of this are very minimal. I'm not really sure what using it gets you, since it just manages a single div.
The _actual_ library that does all the work is here: https://github.com/felixpalmer/procedural-gl-js
Ask HN: What Are You Working On?
100 projects | news.ycombinator.com | 14 Jan 2021
- Tiny filesize means library is parsed fast. Package size is less than THREE.js thanks to code stripping
Check it out on Github: https://github.com/felixpalmer/procedural-gl-js/
Mountain Peaks in WebGL
> Key features
> Batteries included elevation data. Global 3D data coverage courtesy of nasadem.XYZ
Generally just a choice for the demo - in part because restricting the view distance means less data to download (thus lower cost to serve!). If you switch the phone to portrait you will be able to see the horizon.
The library itself (https://github.com/felixpalmer/procedural-gl-js) lets you configure the angle freely.
Hi HN, Merry Christmas to all!
I made this as a demonstration of the open data available from the Austrian government under the www.basemap.at project. The rendering engine is built on top of THREE.js and can be found here: https://github.com/felixpalmer/procedural-gl-js/
For those in the southern hemisphere, there is also a similar visualization of the national parks of New Zealand: https://felixpalmer.github.io/new-zealand-3d/
That's not a bug, it's Germany! The aerial imagery comes from the Austrian basemap.at dataset, which only covers Austria. If you use imagery that covers multiple countries this isn't an issue, but for this project I wanted to try out the basemap.at data. See https://github.com/felixpalmer/procedural-gl-js/ for more
What are some alternatives?
ffmpeg.wasm - FFmpeg for browser and node, powered by WebAssembly
mapbox-gl-js - Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
rust-starter - Rust Starter Project
pyroscope - Continuous Profiling Platform! Debug performance issues down to a single line of code
UsTaxes - Tax filing web application
Joplin - Joplin - an open source note taking and to-do application with synchronization capabilities for Windows, macOS, Linux, Android and iOS. Forum: https://discourse.joplinapp.org/
rnnoise - Recurrent neural network for audio noise reduction
thegreatsuspender - A chrome extension for suspending all tabs to free up memory
Galactic-State - Simplified global React state
pg-mem - An in memory postgres DB instance for your unit tests