highcharts-png-renderer
Renders charts based on Highcharts through Phantom.js as PNG files
Usage
- Edit config.json to match your preferences
- Run
phantomjs run.js - Perform POST-requests against / where the body of the request is the JSON-options you would normally pass to the Highcharts constructor
Example:
POST to / with the following request body:
{
"chart": {
"type": "line",
"marginRight": 130,
"marginBottom": 25
},
"title": {
"text": "Monthly Average Temperature",
"x": -20
},
"subtitle": {
"text": "Source: WorldClimate.com",
"x": -20
},
"xAxis": {
"categories": ["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
},
"yAxis": {
"title": {
"text": "Temperature (°C)"
},
"plotLines": [{
"value": 0,
"width": 1,
"color": "#808080"
}]
},
"legend": {
"layout": "vertical",
"align": "right",
"verticalAlign": "top",
"x": -10,
"y": 100,
"borderWidth": 0
},
"series": [{
"name": "Tokyo",
"data": [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
}, {
"name": "New York",
"data": [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
}, {
"name": "Berlin",
"data": [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
}, {
"name": "London",
"data": [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
}]
}Will give the following image as response body:
License
MIT, see LICENSE
Credits
Thrown together by Espen Hovlandsdal loosely based on the the official Highcharts rendering server