https://github.com/aplbrain/npyjs
Read numpy .npy files in JavaScript
Science Score: 13.0%
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○CITATION.cff file
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✓codemeta.json file
Found codemeta.json file -
○.zenodo.json file
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○DOI references
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○Academic publication links
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○Committers with academic emails
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○Institutional organization owner
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○JOSS paper metadata
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○Scientific vocabulary similarity
Low similarity (15.4%) to scientific vocabulary
Keywords
3d
javascript
jhuapl
nodejs
npy
npy-files
numpy
Keywords from Contributors
interactive
tensor
deep-neural-network
distributed
autograd
archival
projection
sequences
observability
hacking
Last synced: 6 months ago
·
JSON representation
Repository
Read numpy .npy files in JavaScript
Basic Info
- Host: GitHub
- Owner: aplbrain
- License: apache-2.0
- Language: JavaScript
- Default Branch: master
- Homepage: https://aplbrain.github.io/npyjs/
- Size: 16.3 MB
Statistics
- Stars: 89
- Watchers: 7
- Forks: 22
- Open Issues: 13
- Releases: 3
Topics
3d
javascript
jhuapl
nodejs
npy
npy-files
numpy
Created over 9 years ago
· Last pushed 6 months ago
Metadata Files
Readme
Changelog
License
README.md
npy.js
Read .npy files directly in JS
Read .npy files from numpy in Node/JS.
Installation
Include npy.js in your project directly, or:
```shell yarn add npyjs
npm i npyjs
```
Import
javascript
import npyjs from "npyjs";
Usage
- Create a new npyjs object:
javascript
let n = new npyjs();
// Or with options:
let n = new npyjs({ convertFloat16: false }); // Disable float16 to float32 conversion
- This object can now be used load .npy files. Arrays can be returned via a JavaScript callback, so usage looks like this:
javascript
n.load("my-array.npy", (array, shape) => {
// `array` is a one-dimensional array of the raw data
// `shape` is a one-dimensional array that holds a numpy-style shape.
console.log(`You loaded an array with ${array.length} elements and ${shape.length} dimensions.`);
});
- You can also use this library promise-style using either .then or async await:
javascript
n.load("test.npy").then((res) => {
// res has { data, shape, dtype } members.
});
javascript
const npyArray = await n.load("test.npy");
Accessing multidimensional array elements
- You can conveniently access multidimensional array elements using the 'ndarray' library:
javascript
import ndarray from "ndarray";
const npyArray = ndarray(data, shape);
npyArray.get(10, 15);
Supported Data Types
The library supports the following NumPy data types:
-
int8,uint8 -
int16,uint16 -
int32,uint32 -
int64,uint64(as BigInt) -
float32 -
float64 -
float16(converted to float32 by default)
Float16 Support
By default, float16 arrays are automatically converted to float32 for compatibility, since JavaScript doesn't natively support float16. You can control this behavior with the constructor options:
javascript
// Default behavior - float16 is converted to float32
const n1 = new npyjs();
// Keep float16 as raw uint16 values without conversion
const n2 = new npyjs({ convertFloat16: false });
Unless otherwise specified, all code inside of this repository is covered under the license in LICENSE.
Please report bugs or contribute pull-requests on GitHub.
Made with ♥ at 
Owner
- Name: APL BRAIN
- Login: aplbrain
- Kind: organization
- Repositories: 84
- Profile: https://github.com/aplbrain
GitHub Events
Total
- Issues event: 1
- Watch event: 10
- Delete event: 1
- Issue comment event: 13
- Push event: 4
- Pull request event: 6
- Fork event: 1
- Create event: 2
Last Year
- Issues event: 1
- Watch event: 10
- Delete event: 1
- Issue comment event: 13
- Push event: 4
- Pull request event: 6
- Fork event: 1
- Create event: 2
Committers
Last synced: 9 months ago
Top Committers
| Name | Commits | |
|---|---|---|
| Jordan Matelsky | j****8@g****m | 54 |
| dependabot[bot] | 4****] | 12 |
| eric.lwh | e****h@a****m | 2 |
| koreanwglasses | k****s@g****m | 1 |
| epbsb | 5****b | 1 |
| Tristan Rice | r****e@f****c | 1 |
| Roberts Slisans | r****s@g****m | 1 |
| Radu-Sebastian Amarie | r****e@g****m | 1 |
| Philippe Rivière | f****l@r****t | 1 |
| James Hughes | 7****2 | 1 |
| Ha-limLee | 6****e | 1 |
| Aditya Sarwade | 6****e | 1 |
Committer Domains (Top 20 + Academic)
Issues and Pull Requests
Last synced: 6 months ago
All Time
- Total issues: 18
- Total pull requests: 37
- Average time to close issues: 3 months
- Average time to close pull requests: 5 days
- Total issue authors: 17
- Total pull request authors: 14
- Average comments per issue: 2.61
- Average comments per pull request: 0.78
- Merged pull requests: 29
- Bot issues: 0
- Bot pull requests: 15
Past Year
- Issues: 0
- Pull requests: 6
- Average time to close issues: N/A
- Average time to close pull requests: 3 days
- Issue authors: 0
- Pull request authors: 4
- Average comments per issue: 0
- Average comments per pull request: 0.5
- Merged pull requests: 3
- Bot issues: 0
- Bot pull requests: 2
Top Authors
Issue Authors
- rmorshea (2)
- AdityaSarwade (1)
- TheNewSound (1)
- armsp (1)
- lixiaofa-lab (1)
- Ricerob (1)
- Fil (1)
- jeffpeck10x (1)
- borismus (1)
- 1wheel (1)
- bgutter (1)
- jhughes982 (1)
- rsxdalv (1)
- wolfiex (1)
- esperanc (1)
Pull Request Authors
- dependabot[bot] (15)
- j6k4m8 (7)
- vallsv (2)
- eek (2)
- epbsb (2)
- rsxdalv (1)
- jhughes982 (1)
- 1wheel (1)
- Ha-limLee (1)
- sebaB003 (1)
- WenheLI (1)
- Fil (1)
- d4l3k (1)
- AdityaSarwade (1)
Top Labels
Issue Labels
Pull Request Labels
dependencies (15)
Dependencies
package-lock.json
npm
- @ungap/promise-all-settled 1.1.2 development
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- fill-range 7.0.1 development
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- fs.realpath 1.0.0 development
- fsevents 2.3.2 development
- get-caller-file 2.0.5 development
- glob 7.1.6 development
- glob-parent 5.1.2 development
- growl 1.10.5 development
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- ms 2.1.2 development
- ms 2.1.3 development
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- y18n 5.0.8 development
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- yargs-parser 20.2.4 development
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- cross-fetch 3.1.5
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- tr46 0.0.3
- webidl-conversions 3.0.1
- whatwg-url 5.0.0
package.json
npm
- mocha ^8.4.0 development
- cross-fetch ^3.1.5
yarn.lock
npm
- @ungap/promise-all-settled 1.1.2
- ansi-colors 4.1.1
- ansi-regex 3.0.1
- ansi-regex 5.0.1
- ansi-styles 4.3.0
- anymatch 3.1.2
- argparse 2.0.1
- balanced-match 1.0.2
- binary-extensions 2.2.0
- brace-expansion 1.1.11
- braces 3.0.2
- browser-stdout 1.3.1
- camelcase 6.3.0
- chalk 4.1.2
- chokidar 3.5.1
- cliui 7.0.4
- color-convert 2.0.1
- color-name 1.1.4
- concat-map 0.0.1
- cross-fetch 3.1.5
- debug 4.3.1
- decamelize 4.0.0
- diff 5.0.0
- emoji-regex 8.0.0
- escalade 3.1.1
- escape-string-regexp 4.0.0
- fill-range 7.0.1
- find-up 5.0.0
- flat 5.0.2
- fs.realpath 1.0.0
- fsevents 2.3.2
- get-caller-file 2.0.5
- glob 7.1.6
- glob-parent 5.1.2
- growl 1.10.5
- has-flag 4.0.0
- he 1.2.0
- inflight 1.0.6
- inherits 2.0.4
- is-binary-path 2.1.0
- is-extglob 2.1.1
- is-fullwidth-code-point 2.0.0
- is-fullwidth-code-point 3.0.0
- is-glob 4.0.3
- is-number 7.0.0
- is-plain-obj 2.1.0
- isexe 2.0.0
- js-yaml 4.0.0
- locate-path 6.0.0
- log-symbols 4.0.0
- minimatch 3.0.4
- mocha 8.4.0
- ms 2.1.2
- ms 2.1.3
- nanoid 3.1.20
- node-fetch 2.6.7
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- once 1.4.0
- p-limit 3.1.0
- p-locate 5.0.0
- path-exists 4.0.0
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- randombytes 2.1.0
- readdirp 3.5.0
- require-directory 2.1.1
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- serialize-javascript 5.0.1
- string-width 2.1.1
- string-width 4.2.3
- strip-ansi 4.0.0
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- which 2.0.2
- wide-align 1.1.3
- workerpool 6.1.0
- wrap-ansi 7.0.0
- wrappy 1.0.2
- y18n 5.0.8
- yargs 16.2.0
- yargs-parser 20.2.4
- yargs-parser 20.2.9
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- yocto-queue 0.1.0