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Flotr2
======
The Canvas graphing library.
http://groups.google.com/group/flotr2/
Please fork http://jsfiddle.net/cesutherland/ZFBj5/ with your question or bug reproduction case.
API
---
The API consists of a primary draw method which accepts a configuration object, helper methods, and several microlibs.
### Example
```javascript
var
// Container div:
container = document.getElementById("flotr-example-graph"),
// First data series:
d1 = [[0, 3], [4, 8], [8, 5], [9, 13]],
// Second data series:
d2 = [],
// A couple flotr configuration options:
options = {
xaxis: {
minorTickFreq: 4
},
grid: {
minorVerticalLines: true
}
},
i, graph;
// Generated second data set:
for (i = 0; i < 14; i += 0.5) {
d2.push([i, Math.sin(i)]);
}
// Draw the graph:
graph = Flotr.draw(
container, // Container element
[ d1, d2 ], // Array of data series
options // Configuration options
);
```
### Microlibs
* [underscore.js](http://documentcloud.github.com/underscore/)
* [bean.js](https://github.com/fat/bean)
Extending
---------
Flotr may be extended by adding new plugins and graph types.
### Graph Types
Graph types define how a particular chart is rendered. Examples include line, bar, pie.
Existing graph types are found in `js/types/`.
### Plugins
Plugins extend the core of flotr with new functionality. They can add interactions, new decorations, etc. Examples
include titles, labels and selection.
The plugins included are found in `js/plugins/`.
Development
-----------
This project uses [smoosh](https://github.com/fat/smoosh) to build and [jasmine](http://pivotal.github.com/jasmine/)
with [js-imagediff](https://github.com/HumbleSoftware/js-imagediff) to test. Tests may be executed by
[jasmine-headless-webkit](http://johnbintz.github.com/jasmine-headless-webkit/) with
`cd spec; jasmine-headless-webkit -j jasmine.yml -c` or by a browser by navigating to
`flotr2/spec/SpecRunner.html`.
Shoutouts
---------
Thanks to Bas Wenneker, Fabien Ménager and others for all the work on the original Flotr.
Thanks to Jochen Berger and Jordan Santell for their contributions to Flotr2.
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