pyvista-wasm

PyVista-like API for VTK.wasm — bring intuitive 3D visualization to the browser using WebAssembly.

Try it with JupyterLite	Try it with Stlite	Try it with marimo

Table of Contents
Install
Usage
Presentation
Differences from pyvista-js
Citation
Contributing
License

Install

pip install pyvista-wasm

For Pyodide/stlite:

import micropip

await micropip.install("pyvista-wasm")

Usage

import pyvista_wasm as pv

plotter = pv.Plotter()
plotter.add_mesh(pv.Sphere(), color="red")
plotter.show()

Presentation

The PyCon JP 2026 talk introduces pyvista-wasm with live demos and a deep dive into the WASM rendering architecture:

View the slide deck

Talk details on pretalx

Differences from pyvista-js

This project replaces the vtk.js rendering backend used in pyvista-js with VTK.wasm (@kitware/vtk-wasm npm package).

Key differences:

Rendering backend: VTK.wasm (WebAssembly port of VTK C++) instead of vtk.js (pure JavaScript reimplementation)
API style: VTK.wasm uses vtk.vtkRenderer() factory functions on a namespace object, vs vtk.js's vtk.Rendering.Core.vtkRenderer.newInstance() hierarchy
Initialization: VTK.wasm requires async initialization via vtkWASM.createNamespace() to load the WASM binary
Feature parity: VTK.wasm provides access to the full VTK C++ API, enabling features not available in vtk.js

Citation

If you use pyvista-wasm in academic or project work, please cite it. See CITATION.cff for the full citation metadata, or use the BibTeX entry below:

@software{Koyama2026pyvista-wasm,
  author       = {Tetsuo Koyama},
  title        = {{pyvista-wasm: PyVista-like API for VTK.wasm}},
  year         = {2026},
  version      = {0.9.0},
  license      = {Apache-2.0},
  url          = {https://github.com/tkoyama010/pyvista-wasm}
}

Contributing

Contributions are welcome! Please open an issue or pull request on GitHub. See CONTRIBUTORS.md for the list of contributors.

License

Apache License 2.0 © Tetsuo Koyama

Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

pyvista_wasm-0.12.0.tar.gz (1.3 MB view details)

Uploaded Aug 21, 2026 Source

Built Distribution

If you're not sure about the file name format, learn more about wheel file names.

The dropdown lists show the available interpreters, ABIs, and platforms. Enable javascript to be able to filter the list of wheel files.

pyvista_wasm-0.12.0-py3-none-any.whl (84.3 kB view details)

Uploaded Aug 21, 2026 Python 3

File details

Details for the file pyvista_wasm-0.12.0.tar.gz.

File metadata

Download URL: pyvista_wasm-0.12.0.tar.gz
Upload date: Aug 21, 2026
Size: 1.3 MB
Tags: Source
Uploaded using Trusted Publishing? Yes
Uploaded via: twine/7.0.0 CPython/3.13.14

File hashes

Hashes for pyvista_wasm-0.12.0.tar.gz
Algorithm	Hash digest
SHA256	`cb7e80c6ac3bdbbd58f756b9a88e7b970d2c6e30e1798821fa4782cf3f96668e`
MD5	`d4a228c117da5d065b7f977a4f234f75`
BLAKE2b-256	`02e9ccfdbaa81842dfb3a5ee47f42de6282a57797e1e6966f076185e1e723e4a`

See more details on using hashes here.

Provenance

The following attestation bundles were made for pyvista_wasm-0.12.0.tar.gz:

Publisher: release-please.yml on tkoyama010/pyvista-wasm

Attestations: Values shown here reflect the state when the release was signed and may no longer be current.

Statement:
- Statement type: https://in-toto.io/Statement/v1
- Predicate type: https://docs.pypi.org/attestations/publish/v1
- Subject name: pyvista_wasm-0.12.0.tar.gz
- Subject digest: cb7e80c6ac3bdbbd58f756b9a88e7b970d2c6e30e1798821fa4782cf3f96668e
- Sigstore transparency entry: 2549333201
- Sigstore integration time: Aug 21, 2026
Source repository:
- Permalink: tkoyama010/pyvista-wasm@969b32e1281a7e768a30f711abf4e41d2d8eeb4c
- Branch / Tag: refs/heads/main
- Owner: https://github.com/tkoyama010
- Access: public
Publication detail:
- Token Issuer: https://token.actions.githubusercontent.com
- Runner Environment: github-hosted
- Publication workflow: release-please.yml@969b32e1281a7e768a30f711abf4e41d2d8eeb4c
- Trigger Event: push