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improved readme, added demo of PNG generation

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Joshua Seigler 2016-06-29 14:58:29 -04:00
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15
README.md
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@ -9,17 +9,22 @@ PHP project to generate clean-looking SVG price charts
* PHP
## Installation
Extract the files from https://github.com/seigler/Dash-SVG-chart/archive/master.zip where you want to use the chart, or from the command line run `git clone "https://github.com/seigler/Dash-SVG-chart" .` in the folder where you want the charts served from.
Best:
add a composer dependency on `seigler/neat-charts`.
Next best:
Copy the how it's done in `/demo/index.php`.
## Usage
In your PHP file:
With Composer:
`composer require seigler/neat-charts`
In your PHP file:
```php
<?php
Header('Content-type: image/svg+xml; charset=utf-8');
Header('Content-Disposition: inline; filename="chart-' . date('Y-m-d\THisT') . '.svg"');
require 'buffer.php'; // feel free to use your own caching instead of this one in the demo folder
require 'NeatCharts/LineChart.php'; // better to use composer, require "seigler/NeatCharts".
require 'NeatCharts/LineChart.php'; // better to use composer, require "seigler/neat-charts".
/*
your code here to populate $chartData
@ -40,5 +45,5 @@ In your HTML:
## Credits
* PHP output buffering based on http://www.the-art-of-web.com/php/buffer/
* Demo's output caching based on http://www.the-art-of-web.com/php/buffer/
* Chart appearance based on advice found at http://vis4.net/blog/posts/doing-the-line-charts-right/