Read and explore NetCDF v3 files.

Installation

$ npm install netcdfjs

API Documentation

For further information about the grammar you should go to this link.

Example

import { readFileSync } from 'node:fs';
import { NetCDFReader } from 'netcdfjs';
// http://www.unidata.ucar.edu/software/netcdf/examples/files.html
const data = readFileSync('madis-sao.nc');
const reader = new NetCDFReader(data); // read the header
reader.getDataVariable('wmoId'); // go to offset and read it

API

A NetCDFReader instance exposes:

Member	Description
`version`	`'classic format'` or `'64-bit offset format'`.
`dimensions`	List of dimensions, each with a `name` and a `size`.
`recordDimension`	Metadata of the record dimension (`length`, `id`, `name`, `recordStep`).
`globalAttributes`	List of global attributes, each with a `name`, a `type` and a `value`.
`variables`	List of variables, each with a `name`, `dimensions`, `attributes`, `type`, `size`, `offset`.
`getAttribute(name)`	Value of a global attribute, or `null` when it does not exist.
`attributeExists(name)`	Whether a global attribute exists.
`getDataVariable(nameOrVariable)`	Values of a variable. Throws when the variable does not exist.
`getDataVariableAsString(name)`	Values of a variable joined into a string, or `null` when it does not exist.
`dataVariableExists(name)`	Whether a variable exists.
`toString()`	Human-readable description of the dimensions, global attributes and variables.

License

MIT