isosurfaces
graphest
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| isosurfaces | graphest | |
|---|---|---|
| 2 | 3 | |
| 25 | 78 | |
| - | - | |
| 6.6 | 7.2 | |
| 2 months ago | about 2 months ago | |
| Python | Rust | |
| MIT License | MIT License |
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isosurfaces
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Rendering algorithm used for implicit functions
For constructing the quadtree, I'd refer you to https://github.com/jared-hughes/isosurfaces (specifically build_tree and should_descend_deep_cell) which takes a similar approach as Desmos: descend to a certain depth, say 5 (to get a 32×32 grid), then descend only quads that cross the isoline (with a few more heuristics).
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How does desmos render implicit plots?
Desmos uses the same approach as my isosurfaces Python package, based on J. Manson and S. Schaefer, "Isosurfaces Over Simplicial Partitions of Multiresolution Grids."
graphest
- Graphest: A Faithful Graphing Calculator
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graf to y = (-1)^x
I've also just found a newer software Graphest using a similar algorithm to GrafEq, but it does not take the real roots of e.g., the cube root of negative numbers, as Desmos and GrafEq do. So it cannot plot y = (-1)^x as accurately as GrafEq.
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Rendering algorithm used for implicit functions
Below is the relation y=1/sin(e^x)+sin(y) in desmos and a calculator (https://github.com/unageek/graphest/blob/main/docs/build.md), which uses Jeff Tupper's algorithm
What are some alternatives?
NURBS-Python - Object-oriented pure Python B-Spline and NURBS library
plotly.rs - Plotly for Rust
Swar-Chia-Plot-Manager - This is a Cross-Platform Plot Manager for Chia Plotting that is simple, easy-to-use, and reliable.
teach-rs - A modular, reusable university course for Rust
yolor - implementation of paper - You Only Learn One Representation: Unified Network for Multiple Tasks (https://arxiv.org/abs/2105.04206)
rustymind - A driver, parser and real time plotter for NeuroSky MindWave EEG headset
dicom2stl - Python script to extract a STL surface from a DICOM image series.
smag - Show Me A Graph - Command Line Graphing
tupperplot - Tupper's self-referential formula plotting itself on a framebuffer with Rust.
wavegen-rs - Waveform generator library written in Rust
plotters - A rust drawing library for high quality data plotting for both WASM and native, statically and realtimely 🦀 📈🚀
Sidus - Sidus is a simple , user friendly and fast mathematical function plotter on web.