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https://github.com/LocusEnergy/ember-sparkles

Collection of composable D3 components built with ember-d3-helpers
https://github.com/LocusEnergy/ember-sparkles

d3 data-visualization ember-addon

Last synced: about 2 months ago
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Collection of composable D3 components built with ember-d3-helpers

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# ember-sparkles

[![Build Status](https://travis-ci.org/LocusEnergy/ember-sparkles.svg?branch=master)](https://travis-ci.org/LocusEnergy/ember-sparkles)
[![npm version](https://badge.fury.io/js/ember-sparkles.svg)](http://badge.fury.io/js/ember-sparkles)
[![Dependency Status](https://david-dm.org/locusenergy/ember-sparkles.svg)](https://david-dm.org/locusenergy/ember-sparkles)
[![Ember Observer Score](http://emberobserver.com/badges/ember-sparkles.svg)](http://emberobserver.com/addons/ember-sparkles)

William Shatner in Sparkles

`ember-sparkles` is a collection of composable D3 charts built with [`ember-d3-helpers`](https://github.com/LocusEnergy/ember-d3-helpers) library. It aims to provide reactive and highly performant D3-based data visualizations through simple template-bound configurations.

This library currently includes the following charts:
- [Bar Chart](http://locusenergy.github.io/ember-sparkles/#/bar-chart)
- [Grouped Bar Chart](http://locusenergy.github.io/ember-sparkles/#/grouped-bar-chart)
- [Line Chart](http://locusenergy.github.io/ember-sparkles/#/line-chart)
- [Pie Chart](http://locusenergy.github.io/ember-sparkles/#/pie-chart)

Note: This library is still in beta, please use carefully, and file issues as discovered. Pull requests for additional charts always welcome!

## Install
First install `ember-sparkles` to your application:
```bash
ember install ember-sparkles
```
Then add default `ember-resize` configuration into `config/environment.js` file, these properties can be changed to suit your needs. For more information, please see the documentation for [ember-resize](https://github.com/mike-north/ember-resize):
```js
resizeServiceDefaults: {
widthSensitive: true,
heightSensitive: true,
debounceTimeout: 200,
injectionFactories: ['view', 'component']
},
```

## How to use

This addon includes an `{{ember-sparkles}}`, which renders a responsive SVG container element. D3-based graphs, axes, and legend components are contextually yielded from this component.

### example

```hbs
{{#ember-sparkles
data=your-data

input-key='ts'
output-key='value'

scale-type='band'
y-scale-type='linear'
x-domain=(map (r/get 'ts') data)
y-domain=(append 0 outputMax)

as |chart|
}}
{{!render your charts here}}
{{/ember-sparkles}}
```

### Properties (WIP)

* `data {Array}` **required**

Array containing data, structure depending on data visualization type.

* `input-key {String}` **required**

Key by which to obtain independent variable from array or object. Defaults to zeroth index of array.

* `output-key {String}` **required**

Key by which to obtain dependent variable from array or object. Defaults to first index of array.

* `x-scale-type {String}` **optional**

Type of D3 scale function to use for horizontal axis (`linear`, `band`, or `time`).

_default:_ `linear`

### Axis

To render an axis, add `{{chart.y-axis}}` or `{{chart.x-axis}}` to the `{{#ember-sparkles}}` block.

```hbs
{{#ember-sparkles as |chart|}}
{{chart.x-axis
tick-format=(d3-time-format '%Y-%m-%d')
label='date'
dy=100
dx=-100
}}

{{chart.y-axis
label='kWh'
position='right'
ticks=5
tick-format=(d3-format '.2s')
gridlines=true
dx=100
dy=-30
}}
{{/ember-sparkles}}
```

Similar to the `y-axis` example, the `x-axis` contextual component can take a `position` property, set to `top` (by default these are set to `left` and `bottom`), respectively).

For more information on configuring tick formats using the `d3-time-format` and `d3-format` helpers, please see
[d3-format](https://github.com/d3/d3-format) and [d3-time-format](https://github.com/d3/d3-time-format), respectively.

### Legend

To show a legend, add `{{chart.legend}}` to the `{{#ember-sparkles}}` block.

```hbs
{{#ember-sparkles as |chart|}}
{{chart.legend
dx=50
}}
{{/ember-sparkles}}
```

## Installation

```
ember install ember-sparkles
```

## Helpful Links

- ### [Live Demo](http://locusenergy.github.io/ember-sparkles/)

- ### [Changelog](CHANGELOG.md)

## Looking for help?
If it is a bug [please open an issue on GitHub](http://github.com/LocusEnergy/ember-sparkles/issues).

## Usage

## Updating the Demo site

```
ember github-pages:commit --message
git push origin master
```