[![NPM version][npm-image]][npm-url]
[![Build Status][build-image]][build-url]

# altpro

Elevation profile widget. See demo [here][demo].

## Install

```sh
$ npm install --save altpro
```

## Usage

```js

const data = [
  { elevation: 10, distance: 0 },
  { elevation: 15, distance: 10 },
  { elevation: 25, distance: 10 },
  // etc.
];

const altpro = require('altpro');

const container = document.querySelector('.altitude-profile-container');
altpro(container, data);

```

## API

### `altpro(parent, data, options)`

Creates new widget inside of `parent`. `parent` element has to exist, be visible and have desired size.

- `data` is an `Array` of items with `elevation` and `distance` properties. All other properties are
ignored, and `data` is not changed by `altpro`. `distance` means - distance from previous items.

The following `options` can be passed: 

- `fill` - [fillStyle] for main graph background
- `stroke` - [strokeStyle] for line at the top of the graph
- `selectedFill` - [fillStyle] for the selected item

### `altpro.select(index)`

Selects `index` element of data.

### `altpro.destroy()`

Removes altpro widget from DOM, unbinds all listeners.

## License

MIT © [Damian Krzeminski](https://pirxpilot.me)

[fillStyle]: https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/fillStyle
[strokeStyle]: https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/strokeStyle

[demo]: https://pirxpilot.github.io/altpro

[npm-image]: https://img.shields.io/npm/v/altpro
[npm-url]: https://npmjs.org/package/altpro

[build-url]: https://github.com/pirxpilot/altpro/actions/workflows/check.yaml
[build-image]: https://img.shields.io/github/actions/workflow/status/pirxpilot/altpro/check.yaml?branch=main


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altpro

altpro

Install

Usage

API

`altpro(parent, data, options)`

`altpro.select(index)`

`altpro.destroy()`

License

Keywords

Related posts

altpro

altpro

Install

Usage

API

altpro(parent, data, options)

altpro.select(index)

altpro.destroy()

License

Keywords

Related posts

CISA Kills Off RSS Feeds for KEVs and Cyber Alerts

MCP Community Begins Work on Official MCP Metaregistry

`altpro(parent, data, options)`

`altpro.select(index)`

`altpro.destroy()`